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Surgery: Light, Thermal, And Electrical Application > Light, Thermal, And Electrical Application > Electrical Therapeutic Systems > Heart Rate Regulating (e.g., Pacing) Heart Rate Regulating (e.g., Pacing)Heart Rate Regulating (e.g., Pacing) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/07/06 - 20060276847 - Method and apparatus for optimizing ventricular synchrony during ddd resynchronization therapy using adjustable atrio-ventricular delays A pacing system for providing optimal hemodynamic cardiac function for parameters such as ventricular synchorny or contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventricular pacing pulse. The system providing an ... 11/30/06 - 20060271120 - Dynamic blanking and recharge intervals for cardiac rhythm management A cardiac rhythm management device in which sensing amplifiers are blanked for a dynamically adjusted recharge interval after a pacing pulse is delivered by a pacing channel. Recharge intervals are dynamically adjusted in accordance with measured and/or programmable parameters that affect the optimum recharge time in order to reduce the ... 11/30/06 - 20060271119 - Closed loop impedance-based cardiac resynchronization therapy systems, devices, and methods This document discusses, among other things, systems, devices, and methods measure an impedance and, in response, adjust an atrioventricular (AV) delay or other cardiac resynchronization therapy (CRT) parameter that synchronizes left and right ventricular contractions. A first example uses parameterizes a first ventricular volume against a second ventricular volume during ... 11/30/06 - 20060271118 - Implantable neural stimulator with mode switching Various aspects of the present subject matter relate to an implantable device. Various device embodiments comprise at least one port to connect to at least one lead with at least electrode, stimulation circuitry connected to the at least one port and adapted to provide at least one neural stimulation therapy ... 11/30/06 - 20060271117 - Algorithm for the automatic determination of optimal pacing intervals Impedance, e.g. sub-threshold impedance, is measured across the heart at selected cardiac cycle times as a measure of chamber expansion or contraction. One embodiment measures impedance over a long AV interval to obtain the minimum impedance, indicative of maximum ventricular expansion, in order to set the AV interval. Another embodiment ... 11/23/06 - 20060265017 - System and method for managing detrimental cardiac remodeling A system and method for managing and inhibiting cardiac remodeling in MI patients. Bi-ventricular stimulation is constantly provided with and without sensing to encourage normal pumping of the heart on a consistent basis. Pulses are administered using an anodal pulse followed by a cathodal pulse to stimulate cardiac muscle contraction. ... 11/23/06 - 20060265016 - Synchronized ventricular pacing to promote atrial sensing Methods and systems are described that involve synchronized ventricular pacing that promotes sensing of atrial events. The atrioventricular pacing delay is modified based on characteristics of previously sensed atrial events. The modified AV delay is implemented relative to a first atrial event. A second AV delay is implemented relative to ... 11/16/06 - 20060259088 - Method and apparatus for delivering pacing pulses using a coronary stent An implantable cardiac protection pacing system delivers pacing pulses to protect the heart from injuries associated with ischemia and myocardial infarction. The system includes an implantable pulse generator (PG) that delivers the pacing pulses and a coronary stent electrically connected to the implantable PG to function as a pacing electrode ... 11/16/06 - 20060259087 - Method and apparatus for cardiac protection pacing A pacing system delivers cardiac protection pacing to protect the heart from injuries associated with ischemic events. The pacing system detects an ischemic event and, in response, initiates one or more cardiac protection pacing sequences each including alternative pacing and non-pacing periods. In one embodiment, the pacing system initiates cardiac ... 11/16/06 - 20060259086 - Apparatus and method for optimizing atrioventricular delay Systems and methods to optimize atrioventricular delay during sensing or pacing of the atrium and for a plurality of sensed rates or pacing rates. In one example, a paced atrioventricular delay is calculated using a sensed atrioventricular interval and a paced atrioventricular interval. In another example, a plurality of paced ... 11/16/06 - 20060259085 - Neural stimulation system with pulmonary artery lead Various embodiments of the present subject matter relate to a method. According to various method embodiments, at least one lead is inserted through a pulmonary artery to securely position at least one electrode within the pulmonary artery. Neural stimulation is applied to a neural stimulation target using the at least ... 11/16/06 - 20060259084 - System with left/right pulmonary artery electrodes Various embodiments of the present subject matter relate to a lead. Various lead embodiments comprise a lead body including a first portion, a first branch and a second branch. The first portion has an end adapted to connect to an implantable medical device. The first branch and the second branch ... 11/16/06 - 20060259083 - System and method to deliver therapy in presence of another therapy Various aspects relate to a method. In various embodiments, a therapy of a first therapy type is delivered, and it is identified whether a therapy of a second therapy type is present to affect the therapy of the first therapy type. Delivery of the therapy is controlled based on the ... 11/09/06 - 20060253156 - Controlled delivery of intermittent stress augmentation pacing for cardioprotective effect A device and method for delivering electrical stimulation to the heart in a manner which provides a protective effect against subsequent ischemia is disclosed. The protective effect is produced by configuring a cardiac pacing device to intermittently switch from a normal operating mode to a stress augmentation mode in which ... 11/09/06 - 20060253155 - Pacing system analyzer having three sensing and pacing channels A pacing system analyzer (PSA) having three or more individually controllable sensing and pacing channels provides for testing and measurement during an operation for implanting a pacemaker having three or more sensing and pacing channels. The PSA allows control and adjustment of pacing parameters including cross-channel pacing parameters relating activities ... 11/02/06 - 20060247701 - Inotropic orthorhythmic cardiac stimulator Programmable and implantable automatic heart stimulation device (OIST) for controlling the heart, accompanied by a marked increase in the contractility of the myocardial cells on each beat produced by an optimized post-extrasystolic potentiation effect. The OIST does not cause lasting fatigue of the myocardium, markedly increases the coronary rate instantaneously ... 11/02/06 - 20060247700 - Suppression of high rate pacing for reducing myocardial ischemic irritability A medical device capable of delivering automatic rate-adjusting pacing therapies is provided having an adjustable upper rate limit responsive to an indication of myocardial irritability. The device, which may be embodied as a pacemaker, a pacemaker/cardioverter/defibrillator, or the like, responds to the detection of an arrhythmia as an indicator of ... 11/02/06 - 20060247699 - System for enhanced cardiac function with combined pesp/nes In some embodiments, a method of applying stimulation pulse therapy to excitable tissue may include one or more of the following steps: (a) delivering a PESP stimulation therapy to the excitable tissue for a cardiac cycle, (b) delivering a NES stimulation therapy to the excitable tissue during certain cardiac cycles, ... 11/02/06 - 20060247698 - Multi-site pesp with fusion pacing In some embodiments, a method of operating an implantable cardiac pacing device to provide coupled ventricular pacing may include one or more of the following steps: (a) sensing ventricular events at a first ventricular site and generating a ventricular sense event signal in response thereto, (b) providing coupled pacing pulses ... 11/02/06 - 20060247697 - Rate control during af using cellular intervention to modulate av node A biologic intervention method and apparatus generates a persistent modification to an AV node that is physiologically stable after the agent has matured but is alterable with subsequent application of an agent. Specifically, the generic agent is used to modulate a node in a cardiac conduction system including rate control ... 11/02/06 - 20060247696 - Adaptive windowing for cardiac waveform discrimination Cardiac devices and methods provide adaptation of detection windows used to determine a cardiac response to pacing. Adapting a detection window involves sensing a cardiac signal indicative of a particular type of cardiac pacing response, and detecting a feature of the sensed cardiac signal. The cardiac response detection window associated ... 11/02/06 - 20060247695 - Methods and systems for managing fusion and noise in cardiac pacing response classification Methods and systems for detecting noise in cardiac pacing response classification processes involve determining that a cardiac response classification is possibly erroneous if unexpected signal content is detected. The unexpected signal content may comprise signal peaks that have polarity opposite to the polarity of peaks used to determine the cardiac ... 11/02/06 - 20060247694 - Capture detection for multi-chamber pacing Multi-chamber pacing may result in capture of one chamber, capture of multiple chambers, fusion, or non-capture. Approaches for detecting various capture conditions during multi-chamber pacing are described. Pacing pulses are delivered to left and right heart chambers during a cardiac cycle. A cardiac electrogram signal is sensed following the delivery ... 11/02/06 - 20060247693 - Non-captured intrinsic discrimination in cardiac pacing response classification Cardiac devices and methods discriminate non-captured intrinsic beats during evoked response detection and classification by comparing the features of a post-pace cardiac signal with expected features associated with a non-captured response with intrinsic activation. Detection of a non-captured response with intrinsic activation may be based on the peak amplitude and ... 11/02/06 - 20060247692 - Method and apparatus for optimizing cardiac resynchronization therapy In some embodiments, a method for optimizing cardiac resynchronization therapy (CRT) may include one or more of the following steps: (a) conducting a baseline measurement of a physical parameter of a patient before initiating CRT, (b) performing an implantation process including implanting a pacing device and pacing leads in the ... 11/02/06 - 20060247691 - Selection of cardiac signal features detected in multiple classification intervals for cardiac pacing response classification Cardiac devices and methods involve the detection of cardiac signals features in adjacent classification intervals. Portions of the cardiac signal features detected in adjacent classification intervals are associated and are used to classify the cardiac response to a pacing pulse. Associating the portions of the cardiac signal features may be ... 11/02/06 - 20060247690 - Device and method for providing atrial-synchronized ventricular pacing with selective atrial tracking A device for delivering pacing therapy includes an atrial and ventricular leads, sensing circuitry connected to the leads for detecting depolarizations, and pulse generation circuitry for delivering ventricular pacing pulses based on sensed atrial depolarizations. The device includes control circuitry for controlling the pulse generation circuitry in a first mode ... 10/26/06 - 20060241706 - Morphology-based optimization of cardiac resynchronization therapy A method and apparatus for delivering cardiac resynchronization therapy (CRT) in which an evoked response electrogram is recorded during one or more cardiac cycles and used to aid in the selection of resynchronization pacing parameters and/or to monitor the effectiveness of resynchronization therapy. The morphology of an evoked response electrogram ... 10/26/06 - 20060241705 - Cardiac pacemaker Endocardial or intravascular cardiac pacemaker having a sealed housing, in which a battery and a pacemaker controller connected to the battery, as well as at least one stimulation pulse generator, are situated, the housing being oblong and having a length of less than 70 mm and a cross-sectional area of ... 10/26/06 - 20060241704 - Method and apparatus for pacing during revascularization Cardiac protection pacing is applied to prevent or reduce cardiac injury and/or occurrences of arrhythmia associated with an ischemic event including the occlusion of a blood vessel during a revascularization procedure. Pacing pulses are generated from a pacemaker and delivered through one or more pacing electrodes incorporated onto a percutaneous ... 10/26/06 - 20060241703 - Method and system for treatment of mechanical cardiac asynchrony A system and method for identifying patients with asynchronous ventricular contractions due to abnormal electro-mechanical coupling and computing optimal pacing parameters for restoring synchronous contractions is disclosed. Such patients may have normal intra-ventricular and inter-ventricular conduction and cannot be identified from intrinsic conduction data alone such as QRS width. Techniques ... 10/26/06 - 20060241702 - Cardiac sensing and detection using subcutaneous ecg signals and heart sounds A method and device for detecting cardiac signals that includes a first plurality of electrodes that senses cardiac signals and delivers therapy, and a second plurality of electrodes that senses the cardiac signals. A microprocessor detects a cardiac event in response to the sensing by the first plurality of electrodes, ... 10/19/06 - 20060235479 - Monophasic waveform for anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator A power supply for an implantable cardioverter-defibrillator for subcutaneous positioning between the third rib and the twelfth rib and using a lead system that does not directly contact a patient's heart or reside in the intrathoracic blood vessels and for providing anti-bradycardia pacing energy to the heart, comprising a capacitor ... 10/19/06 - 20060235478 - Optimization of av intervals in single ventricle fusion pacing through electrogram morphology The present invention thus provides a simple and automatic method for determining an optimal AV interval and/or range of AV intervals for, in an exemplary embodiment, LV-only pacing. Such a method provides significant advantages for patients while reducing burdens related to post-implant follow-up by clinicians in that it greatly reduces ... 10/19/06 - 20060235477 - Adaptive resynchronization therapy system A system including a learning module and an algorithmic module for learning a physiological aspect of a patient body and regulating the delivery of a physiological agent to the body. An embodiment of the invention is an adaptive CRT device performing biventricular pacing in which the AV delay and VV ... 10/12/06 - 20060229684 - Heart stimulator with stimulation control dependent on perfusion blood flow A heart stimulator for multi-site stimulation of the heart of a patient has a pulse generator and a measuring device for measuring a physiological cardiac parameter and delivering a corresponding output signal to a control unit for controlling time intervals between pulses delivered to different stimulation sites in the heart ... 10/12/06 - 20060229683 - Method and system for magnetic shielding in semiconductor integrated circuit A circuit with an inter-module radiation interference shielding mechanism is disclosed. The circuit includes a circuit module producing a radiation field. At least one radiation shielding module is situated between the circuit module and another module that is vulnerable to the interference of the radiation field. The shielding module is ... 10/05/06 - 20060224198 - Electrogram morphology-based crt optimization A method and system are described for determining an optimum atrioventricular delay (AVD) interval and/or ventriculo-ventricular delay (VVD) intervals for delivering ventricular resynchronization pacing in an atrial tracking or atrial sequential pacing mode. Evoked response electrograms recorded at different AVD and VVD intervals are used to determine the extent of ... 10/05/06 - 20060224197 - Method of optimizing mechanical heart rate during delivery of coupled or paired pacing A method of operating a cardiac pacing device that optimizes the mechanical heart rate using coordinated potentiation therapy while maximizing the opportunity for intrinsic AV conduction to occur. The method may include adjusting the timing of extra stimulus intervals during coupled or paired pacing to promote AV conduction and to ... 10/05/06 - 20060224196 - System and method for improving pacing parameters using acute hemodynamic feedback during device implant The efficacy of cardiac resynchronization therapy applied to a patient's heart by an implantable device are improved by obtaining acute hemodynamic feedback during implantation of a pacing device. A first and a second transducer are temporarily placed proximate to a portion of the patient's heart during device implant, and a ... 09/28/06 - 20060217774 - Cardiac contractile augmentation device and method therefor A cardiac contractile augmentation device (CCAD) comprising an EAP segment adapted to be attached to a portion of the heart that would benefit from contractile augmentation. The EAP segment is energized by a pulse generator. In response to an electrical pulse the EAP segment deforms resulting in a contraction of ... 09/28/06 - 20060217773 - Method for treating myocardial infarction A method for treating patients after a myocardial infarction which includes pacing therapy is disclosed. A cardiac rhythm management device is configured to deliver pre-excitation pacing to one or more sites in proximity to an infarcted region of the ventricular myocardium. Such pacing acts to minimize the remodeling process to ... 09/28/06 - 20060217772 - System to provide myocardial and neural stimulation Various aspects provide an implantable device. In various embodiments, the device comprises at least one port, where each port is adapted to connect a lead with an electrode to the device. The device further includes a stimulation platform, including a sensing circuit connected to the at least one port to ... 09/21/06 - 20060212080 - Methods and devices for implementing time of day pacing adjustments Methods and systems are directed to delivering cardiac pacing therapy to a patient. A pacing therapy associated with one or more pacing parameters is delivered. Alternate cardiac pacing therapies associated with one or more alternate pacing parameters are transitioned to, based on a sleep/wake cycle of the patient. Interactions between ... 09/14/06 - 20060206156 - Safety pacing in multi-site crm devices Safety pacing in multi-site cardiac rhythm management (CRM) devices is provided. According to various method embodiments, a first cardiac signal from a first cardiac region and a second cardiac signal from a second cardiac region are sensed. The first cardiac region is paced to maintain at least a minimum cardiac ... 09/14/06 - 20060206155 - Parasympathetic pacing therapy during and following a medical procedure, clinical trauma or pathology A treatment method is provided, including identifying a subject as one who is selected to undergo an interventional medical procedure, and, in response to the identifying, reducing a likelihood of a potential adverse effect of the procedure by applying an electrical current to a parasympathetic site of the subject selected ... 09/14/06 - 20060206154 - Combined neural stimulation and cardiac resynchronization therapy Methods and devices for delivering cardiac therapy to a patient are provided. Various implantable device embodiments comprise a plurality of leads and a controller. The leads include at least one lead to be positioned within a lead path to deliver ventricular pacing pulses and to deliver neural stimulation at a ... 09/14/06 - 20060206153 - Integrated lead for applying cardiac resynchronization therapy and neural stimulation therapy An embodiment includes a main lead assembly having a proximal portion adapted for connection to a device and a distal portion adapted for placement in a coronary sinus, the distal portion terminating in a distal end for placement proximal a left ventricle. Additionally, the main lead assembly includes a left ... 08/10/06 - 20060178705 - Heart rate variance cardiac pacemaker Various embodiments of a cardiac pacemaker device and methods are provided. In one embodiment a cardiac pacemaker device includes a pulse generator which emits a plurality of stimulation pulses such that each of the plurality of stimulation pulses is separated by a plurality of inter-beat durations, respectively. The pacemaker device ... 08/03/06 - 20060173505 - Controlled delivery of electrical pacing therapy for treating mitral regurgitation A method and apparatus are disclosed for treating mitral or tricuspid regurgitation with electrical stimulation. By providing pacing stimulation to a selected region of the left ventricle, such as one in proximity to the mitral valve apparatus or papillary muscles in a manner that pre-excites the region during early ventricular ... 08/03/06 - 20060173504 - Electrical pacing therapy for treating mitral regurgitation A method and apparatus are disclosed for treating mitral or tricuspid regurgitation with electrical stimulation. By providing pacing stimulation to a selected region of the left ventricle, such as one in proximity to the mitral valve apparatus in a manner which pre-excites the region during early ventricular systole, a beneficial ... 08/03/06 - 20060173503 - Linear electrode array to treat mitral regurgitation A method and apparatus are disclosed for treating mitral regurgitation with electrical stimulation. By providing pacing stimulation to a region of the left ventricle in proximity to the mitral valve apparatus in a manner which pre-excites the region during early ventricular systole, a beneficial effect is obtained which can prevent ... 08/03/06 - 20060173502 - Atrial pacing therapy for treating mitral regurgitation A method and apparatus are disclosed for treating mitral regurgitation with electrical stimulation. By providing pacing stimulation to the left atrium during ventricular systole, a beneficial effect is obtained which can prevent or reduce the extent of mitral regurgitation. ... 07/27/06 - 20060167510 - Implantable medical device with ventricular pacing management of elevated heart rates An implantable medical device operates to promote intrinsic ventricular depolarization according to a pacing protocol. When a cardiac rate exceeds a predetermined threshold, the implantable medical device modifies the pacing protocol parameters to promote AV synchrony. ... 07/27/06 - 20060167509 - Implantable medical device with ventricular pacing protocol An implantable medical device operates to promote intrinsic ventricular depolarization according to a pacing protocol. The medical device monitors the AV interval and adjusts the Ventricular Pacing Protocol if the AV interval exceeds a threshold when the cardiac rate is elevated. ... 07/27/06 - 20060167508 - Implantable medical device with ventricular pacing protocol including progressive conduction search An implantable medical device operates to promote intrinsic ventricular depolarization according to a pacing protocol. The medical device operates to promote intrinsic conduction by providing elongated AV intervals or operating in an atrial based pacing mode. Conduction checks to determine if AV conduction is present are performed on a graduated ... 07/27/06 - 20060167507 - System and method for determining an effectiveness of a ventricular pacing protocol for an implantable medical device An implantable medical device operates to promote intrinsic ventricular depolarization according to a pacing protocol. The medical device monitors the number of attempts made to promote intrinsic conduction in comparison with the number of successful cardiac cycles to determine an efficiency value. ... 07/27/06 - 20060167506 - Implantable medical device with ventricular pacing protocol An implantable medical device operates to promote intrinsic ventricular depolarization according to a pacing protocol. The medical device determines a course of action based upon the presence or absence of sensed ventricular activity. The device further determines whether that activity is properly conducted or the result of a PVC or ... 07/20/06 - 20060161207 - Method of continuous capture verification in cardiac resynchronization devices In bi-ventricular pacing devices (including CRT devices) analysis of myocardial electrogram signals in one ventricle (e.g., a left ventricle, or “LV”) can be used to infer capture or loss-of-capture (LOC) of an earlier stimulus pulse in the same ventricle, on a continuous (every pacing cycle), triggered, aperiodic and/or periodic basis. ... 07/13/06 - 20060155338 - Bi-ventricular ventricular capture management in cardiac resyncronization therapy delivery devices The present invention provides a technique for verifying pacing capture of a ventricular chamber, particularly to ensure desired delivery of a ventricular pacing regime (e.g., “CRT”). The invention also provides ventricular capture management by delivering a single ventricular pacing stimulus and checking inter-ventricular conduction during a temporal window to determine ... 07/06/06 - 20060149324 - Cardiac rhythm management with interchangeable components A cardiac rhythm management apparatus includes a proximal housing, a distal housing and a lead. The proximal housing includes a first energy storage device. The distal module is implantable within a patient's heart, and includes a second energy storage device, at least one electrode, and a control module. The control ... 06/29/06 - 20060142813 - Implantable pacemaker A pacemaker comprises an implantable pacemaker housing and a pacemaker electrode provided to transmit stimulation impulses, and a detector for a current which can be induced by an external magnetic field and flowing through the pacemaker electrode. A circuit element is provided to interrupt this inducible current. ... 06/29/06 - 20060142812 - Pacemaker which reestablishes or keeps the physiological electric conduction of the heart and a method of application A pacemaker is disclosed which reestablishes or keeps the physiological electric conduction of the heart and a method of application. The pacemaker is a pulse generator, it has a ventricular output including at least two superimposed monopolar pulsewaves of reversed polarity between each other, with programmable configuration, with respect to ... 06/29/06 - 20060142811 - Biventricular cardiac pacemaker for cardiac resynchronisation therapy The invention concerns a cardiac pacemaker comprising a stimulation pulse generator (RVP; LVP) for biventricular stimulation of a heart, which is to be connected to at least one right-ventricular electrode for the stimulation of a right ventricle of the heart and to at least one left-ventricular electrode for the stimulation ... 06/22/06 - 20060136001 - Ventricular pacing A method and apparatus are disclosed for treating a condition of a patient's heart includes placing a first electrode and a second electrode in a right ventricle of the heart. A reference electrode is placed within the patient and internal or external to the heart. A pacing signal is generated ... 06/15/06 - 20060129193 - Template initialization for evoked response detection Methods and devices for initializing templates for evoked response detection from pacing stimulation are described. A method of generating templates characterizing a cardiac response to pacing involves determining values associated with signal features for each of a number of sensed cardiac signals following pacing pulses. The median values of the ... 06/08/06 - 20060122649 - Subcutaneous implantable cardioverter/defibrillator A cardiac pacemaker and method of its use. The pacemaker is provided with a pacing electrode array configured for location at a left anterior portion of a patient's thorax between the patients third and sixth ribs, outside the patient's thoracic cavity. The pacing electrode array includes multiple pacing electrodes and ... 06/01/06 - 20060116728 - Reduction of interaction with tachyarrhythmia detection by negative offset pacing A device and method is disclosed for improving tachyarrhythmia detection when the ventricles are resynchronized by delivering paces to both ventricles separated by a specified negative offset interval. Timing of escape intervals and tachyarrhythmia detection is based upon senses from one of the ventricles designated as a rate ventricle. Techniques ... 06/01/06 - 20060116727 - Automatic selection of stimulation chamber for ventricular resynchronization therapy A method and apparatus for selection of one or more ventricular chambers to stimulate for ventricular resynchronization therapy. Intrinsic intracardia electrograms that include QRS complexes, are recorded from a left and right ventricle. A timing relationship between the intrinsic intracardia electrograms recorded from the left and right ventricle is then ... 04/20/06 - 20060085039 - Leadless cardiac stimulation systems Various configurations of systems that employ leadless electrodes to provide pacing therapy are provided. In one example, a system that provides multiple sites for pacing of myocardium of a heart includes wireless pacing electrodes that are implantable at sites proximate the myocardium using a percutaneous, transluminal, catheter delivery system. Each ... 04/13/06 - 20060079940 - Active implantable medical device which includes a mode of resynchronization of the ventricular contractions for the treatment of the cardiac insufficiency An active implantable medical device including a generator connected to a right ventricular electrode and a left ventricular electrode. The generator includes two output terminals connected to the ventricular electrodes, to deliver joint stimulation impulses with an adjustable inter-ventricular delay. The generator is a generator of the double chamber pacemaker ... 04/06/06 - 20060074453 - Baroreflex activation and cardiac resychronization for heart failure treatment A method for treating heart failure in a patient involves activating a baroreflex system of the patient with at least one baroreflex activation device and resynchronizing the patient's heart with a cardiac resynchronization device. Activating the baroreflex system and resynchronizing the heart may be performed simultaneously or sequentially, in various ... 03/09/06 - 20060052831 - Heart treatment equipment and heart treatment method Heart treatment equipment and a heart treatment method directed to prevention of a fatal arrhythmia by detecting a physical exercise or a mental stress by using a sensor and thereafter controlling the vagus nerve stimulation, wherein sensor means for detecting various living body information for generating a signal which designates ... 03/02/06 - 20060047319 - System and method for determining optimal atrioventricular delay based on intrinsic conduction delays Techniques are provided for estimating optimal atrioventricular delay values for use in pacing the ventricles. Both the intrinsic inter-atrial conduction delay and the intrinsic atrioventricular conduction delay are determined for the patient and then the preferred atrioventricular pacing delay is derived therefrom. By taking into account intrinsic inter-atrial delay along ... 02/23/06 - 20060041279 - Detection and treatment of prolonged inter-atrial delay in cardiac resynchronization patients A method and system for identifying and assessing inter-atrial conduction delays in patients is disclosed. Patients who are so identified and are also in need of ventricular resynchronization therapy may then be treated with left atrial pacing and ventricular resynchronization pacing. Certain patients may alternatively be treated with ventricular resynchronization ... 01/19/06 - 20060015148 - Self-diagnostic method and system for implantable cardiac device A self-diagnostic system for an implantable cardiac device such as a pacemaker, cardioverter, or resynchronization device which utilizes a subcutaneous ECG channel is described. The subcutaneous ECG channel allows the device to, in real time and independent of the standard pacing and sensing circuitry, verify the presence of pacing spikes, ... 01/05/06 - 20060004418 - System and method for managing refractory periods in a cardiac rhythm management device with biventricular sensing A method and system for managing refractory periods in a cardiac rhythm management device configured for biventricular or biatrial sensing. Refractory periods for each channel of the pacemaker are provided by interval timers that are triggered by sensed or paced events in order to prevent misinterpretation of sensing signals. ... 01/05/06 - 20060004417 - Baroreflex activation for arrhythmia treatment Devices, systems and methods provide baroreflex activation to prevent, or at least reduce the likelihood of occurrence of, cardiac arrhythmias. Various embodiments may additionally or alternatively promote recovery from arrhythmias. In one embodiment, a device for preventing or reducing the likelihood of occurrence of arrhythmias includes one or more baroreflex ... 12/29/05 - 20050288724 - Dual-chamber pacemaker system for simultaneous bi-chamber pacing and sensing A method of pacing opposing chambers of a heart with a pacing system is provided. The pacing system comprises a first unipolar medical electrical lead having at least one first electrode configured for positioning in a first opposing chamber of the heart, a second unipolar medical electrical lead having at ... 12/29/05 - 20050288723 - Cardiac rhythm management system with maximum tracking rate (mtr) hysteresis A cardiac rhythm management system provides both a safe maximum pacing rate limit and a physiological maximum pacing rate limit. In one embodiment, a normal maximum tracking rate (MTR) and a hysteresis MTR are provided. The hysteresis MTR is set higher than the normal MTR and functions as a maximum ... 12/29/05 - 20050288722 - Implantable pressure transducer system optimized for anchoring and positioning This invention relates generally to systems and methods for optimizing the performance and minimizing complications related to implanted sensors, such as pressure sensors, for the purposes of detecting, diagnosing and treating cardiovascular disease in a medical patient. Systems and methods for anchoring implanted sensors to various body structures is also ... 12/29/05 - 20050288721 - Method and apparatus to modulate cellular regeneration post myocardial infarct A system delivers cardiac pacing therapy and chemical and/or biological therapy to modulate myocardial tissue growth in a heart after myocardial infarction (MI). The system includes an agent delivery device to release one or more agents to an MI region to modulate myocardial tissue growth in that region, and a ... 12/29/05 - 20050288720 - Method and apparatus for minimizing post-infarct ventricular remodeling A cardiac rhythm management device is configured to deliver pre-excitation pacing to one or more sites in proximity to an infarcted region of the ventricular myocardium. The pre-excitation pacing in conjunction with counterpulsation therapy serves to either prevent or minimize post-infarct remodeling. ... 12/29/05 - 20050288719 - Far-field sensing channel for implantable cardiac device An implantable pacemaker is provided with a far-field sensing channel which requires a reduced refractory period during the time when pacing pulses are delivered as compared with sensing channels using intra-cardiac electrodes. The far-field sensing channel may use the conductive housing of the implantable device or can and an indifferent ... 12/29/05 - 20050288718 - Medical treatment system using biological regulation function alternate, cardiac pacing system based on the medical treatment system, blood pressure regulating system, and cardiac disease treating system A medical treating system based on biological activities characterized by biological activity sensing means for sensing biological activity information produced by biological activities and outputting a biological activity signal, calculating means for receiving, analyzing, and processing the biological activity signals from the biological activity sensing means, calculating an organism stimulation ... 12/29/05 - 20050288717 - Micro integrated cardiac pacemaker and distributed cardiac pacing system A micro integrated cardiac pacemaker includes a control unit for outputting a control signal according to cardiograph information, heart stimulating means for stimulating heart tissue in response to the control signal, cardiograph information extracting means for extracting cardiograph information and outputting it to the control unit, and a power supply ... 12/22/05 - 20050283196 - Method and system for characterizing supraventricular rhythm during cardiac pacing A method and system for generating a characterization of one beat of a patient's supraventricular rhythm (SVR) involves performing such characterization while the heart is being paced. During SVR characterization, various pacing parameters are modified and the patient's supraventricular rhythm is characterized while the pacing parameters are modified. The SVR ... 12/15/05 - 20050277993 - System and method for managing detrimental cardiac remodeling A system and method for managing and inhibiting cardiac remodeling in MI patients. Bi-ventricular stimulation is constantly provided with and without sensing to encourage normal pumping of the heart on a consistent basis. Pulses are administered using an anodal pulse followed by a cathodal pulse to stimulate cardiac muscle contraction. ... 12/15/05 - 20050277992 - Collecting and analyzing sensed information as a trend of heart failure progression or regression An exemplary method includes selecting a cross-correlation frequency having an associated cross-correlation period, detecting and binning a heart rate in a heart rate bin, detecting and binning an activity state in an activity state bin, repeating the detecting and binning a heart rate and the detecting and binning an activity ... 12/01/05 - 20050267539 - System and method for ventricular pacing with av interval modulation A pacing protocol is provided that reduces or minimizes ventricular pacing in favor of intrinsic conduction. When operating in a mode that provides ventricular pacing, a series of conduction checks are performed to determine if intrinsic conduction has returned. These conduction checks occur according to a predetermined pattern that generally ... 12/01/05 - 20050267538 - Mode switching algorithm for av block An apparatus and method is presented for treating patients with sinus node dysfunction who have apparently normal intrinsic AV conduction and thus do not require ventricular pacing unless there is an unexpected AV conduction failure. In one embodiment, a cardiac device with dual-chamber pacing capability is programmed to operate in ... 12/01/05 - 20050267537 - subcutaneous cardiac stimulator device having an anteriorly positioned electrode A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted in a frontal region of the patient so as to overlap a portion of the patient's heart. ... 11/17/05 - 20050256543 - System and method for treating an adverse cardiac condition using combined pacing and drug delivery A system and method of treating an adverse cardiac condition, such as cardiac arrhythmia or a non-arrhythmic event, involves producing, by use of a patient actuatable non-implanted activator, an activation signal in response to a patient sensing a perceived adverse cardiac condition. The method further involves confirming, by an implantable ... 11/17/05 - 20050256542 - Method and apparatus for detecting oscillations in cardiac rhythm with electrogram signals A cardiac rhythm management device is configured to detect oscillations in cardiac rhythm by comparing electrogram signals during successive heart beats. Upon detection of electrical alternans, the device may adjust its operating behavior to compensate for the deleterious effects of the condition. ... 11/10/05 - 20050251216 - Method and device for electronically controlling the beating of a heart An electro-stimulation device includes a pair of electrodes for connection to at least one location in the body that affects or regulates the heartbeat. The electro-stimulation device both electrically arrests the heartbeat and stimulates the heartbeat. A pair of electrodes are provided for connection to at least one location in ... 11/03/05 - 20050245976 - Cardiac activity sensing during pacing in implantable devices A method and device for sensing cardiac activity that includes a first plurality of electrodes forming a first electrode configuration to sense cardiac activity, a second plurality of electrodes forming a second electrode configuration to sense cardiac activity, and a third plurality of electrodes to deliver a stimulation pulse in ... 11/03/05 - 20050245975 - Method and apparatus for controlling delivery of pacing pulses in response to increased ectopic frequency A method and device for controlling delivery of therapy in an implantable device that includes sensing a plurality of events, detecting whether there is an increase in the frequency of first events of the plurality of events corresponding to onset of a second event of the plurality of sensed events, ... 10/27/05 - 20050240235 - Active implantable device medical such as pacemaker, defibrillator and/or cardiovertor of the aai or aai/ddd type An active implantable medical device, such as a pacemaker, defibrillator and/or cardiovertor having an AAI and/or an AAI/DDD operating mode. This device detects atrial and ventricular events and stimulates the atrium, and calculates an atrial escape interval (AEI). The device defines a critical period preceding or following the end of ... 10/13/05 - 20050228455 - Trending of conduction time for optimization of cardiac resynchronization therapy in cardiac rhythm management system A method of optimizing cardiac resynchronization therapy delay over a patient's full range of activity for use in operating an implantable cardiac pacing device and such a device are disclosed. The method includes measuring selected conduction time between selected sites in the heart for a plurality of beats and logging ... 10/13/05 - 20050228454 - Trending of conduction time for optimization of cardiac resynchronization therapy in cardiac rhythm management system A method of optimizing cardiac resynchronization therapy delay over a patient's full range of activity for use in operating an implantable cardiac pacing device and such a device are disclosed. The method includes measuring selected conduction time between selected sites in the heart for a plurality of beats and logging ... 10/06/05 - 20050222630 - Cardiac pacemaker Certain embodiments of the present invention disclose an electrostimulator, in particular an atrial cardiac pacemaker, comprising electrode connections which are connected to a stimulation unit for the delivery of stimulation pulses by way of the electrode connections, and a stimulation control unit which is connected to the stimulation unit and ... 09/29/05 - 20050216066 - Dynamically optimized multisite cardiac resynchronization device A cardiac rhythm management device in which amplitudes of electrograms from one or more cardiac sites are measured in order to ascertain the extent of hypertrophy. The device may then pace the heart by delivering pacing therapy in a manner that unloads the hypertrophied myocardium to effect reversal of undesirable ... 09/29/05 - 20050216065 - Identifying heart failure patients suitable for resynchronization therapy using qrs complex width from an intracardiac electogram Methods and systems are disclosed for determining whether a patient is a responder to cardiac resynchronization therapy. The beginning and ending of the intrinsic ventricular depolarization are determined through signals measured from one or more electrodes implanted in the patient's heart. An interval between the beginning and ending of the ... 09/22/05 - 20050209648 - Apparatus and methods of energy efficient, atrial-based bi-ventricular fusion-pacing The present invention enables hemodynamic efficiencies for patients suffering from intraventricular conduction delays or conduction blockage. The invention effectively overcomes such conduction delay or block (e.g., left bundle branch block, “LBBB,” or right bundle branch block, “RBBB”) by delivering a novel form of cardiac resynchronization therapy (CRT). Specifically, a single ... 09/15/05 - 20050203581 - Cardiac rhythm management system with arrhythmia classification and electrode selection A system, method, or device classifies an arrhythmia according to the temporal order in which a depolarization wave associated with a particular heart contraction is received at a plurality of electrodes. One or more antiarrhythmia therapies is mapped to each arrhythmia classification. When a particularly classified arrhythmia is detected, the ... 09/15/05 - 20050203580 - Method for multiple site, right ventricular pacing with improved left ventricular function A method for treatment of congestive heart failure from the right side of the heart, by stimulating at numerous points along the right-ventricular septum to produce a fused line of stimulation upon breakthrough of wave fronts into the left ventricular septum and an LV action potential that simultaneously propagates toward ... 09/08/05 - 20050197675 - Techniques for applying, calibrating, and controlling nerve fiber stimulation Apparatus is provided including an electrode device, adapted to be coupled to a site of a subject; and a control unit, adapted to drive the electrode device to apply a current to the site intermittently during alternating “on” and “off”periods, each of the “on” periods having an “on” duration equal ... 09/08/05 - 20050197674 - Wireless ecg in implantable devices An implantable medical device such as an implantable pacemaker or implantable cardioverter/defibrillator includes a programmable sensing circuit providing for sensing of a signal approximating a surface electrocardiogram (ECG) through implanted electrodes. With various electrode configurations, signals approximating various standard surface ECG signals are acquired without the need for attaching electrodes ... 09/08/05 - 20050197673 - Left heart implantable cardiac stimulation system with clot prevention and method An implantable cardiac stimulation device provides pacing stimulation therapy from within the left ventricle of a heart. The device includes a pulse generator adapted to be coupled to an implantable cardiac stimulation electrode and a power supply that maintains the stimulation electrode at a negative voltage. The electrode may be ... 09/01/05 - 20050192641 - Adaptive diastolic interval control of action potential duration alternans A real-time detection technique and a real-time, adaptive, model-independent control technique for detecting and stabilizing pathological physiological rhythms, such as repolarization alternans, on the basis of the rate dependence of excitable tissue such as cardiac and neuronal tissue is presented. Unlike other control methods, which require a number of beats ... 08/25/05 - 20050187586 - Selective nerve fiber stimulation for treating heart conditions Apparatus is provided that includes an electrode device, adapted to be coupled to a vagus nerve of a subject, and a control unit, adapted to drive the electrode device to apply to the vagus nerve a current that reduces heart rate variability of the subject. Also provided is a method ... 08/25/05 - 20050187585 - Adaptive ventricular rate smoothing during atrial fibrillation An implantable cardiac device is provided for adaptive ventricular rate smoothing during atrial fibrillation (AF). When AF is detected, the operation of the device is switched to non-atrial synchronized pacing mode such as DDI, DDIR, VDI, VDIR, VVI, or VVIR. The ventricular escape interval (VEI) is beat-by-beat modulated around a ... 08/11/05 - 20050177194 - Heart monitoring and stimulating device, a system including such a device and use of the system An implantable heart monitoring and stimulating device has a control circuit and a memory, the control circuit receiving signals representing detected cardiac events respectively from the right and left ventricles of a heart. The control circuit controls a pulse generator to transmit stimulation pulses to the right and left ventricles ... 07/28/05 - 20050165453 - Method and apparatus for maintaining synchronized pacing A device and method for cardiac rhythm management in which a cardiac site is paced in accordance with a pacing mode that employs sense signals from a different cardiac site. A protective period triggered by the sensing of intrinsic activity at the paced site is used to delay pacing by ... 07/07/05 - 20050149134 - Method and system for removing pacing artifacts from subcutaneous electrocardiograms An implantable cardiac rhythm management device is configured to remove pacing artifacts from recorded electrograms by a subtraction method. A template waveform representing a recorded pace without accompanying cardiac electrical activity is generated. Such a pacing pulse template is then aligned with the instant at which a pace is delivered ... 07/07/05 - 20050149133 - Sensing with compensation for neural stimulator An aspect of the present subject matter relates to an implantable medical system. An embodiment of the system comprises a baroreflex stimulator, a cardiac event detector, and communication circuitry. The stimulator includes a pulse generator to apply baroreflex stimulation therapy. The detector includes a sensor to detect electrical signals indicative ... 07/07/05 - 20050149132 - Automatic baroreflex modulation based on cardiac activity An aspect of the present subject matter relates to a system for providing baroreflex stimulation. An embodiment of the system comprises a cardiac activity monitor to sense cardiac activity and provide a signal indicative of the cardiac activity, and a baroreflex stimulator. The stimulator includes a pulse generator and a ... 07/07/05 - 20050149131 - Baroreflex modulation to gradually decrease blood pressure An aspect of the present subject matter relates to a baroreflex stimulator. An embodiment of the stimulator includes a pulse generator to provide a baroreflex stimulation signal through an electrode, and a modulator. The modulator modulates the baroreflex stimulation signal to increase the baroreflex stimulation therapy by a predetermined rate ... 07/07/05 - 20050149130 - Baroreflex stimulation synchronized to circadian rhythm An aspect of the present subject matter relates to a baroreflex stimulator. An embodiment of the stimulator comprises a pulse generator to provide a baroreflex stimulation signal through an electrode, and a modulator to modulate the baroreflex stimulation signal based on a circadian rhythm template. Other aspects are provided herein. ... 07/07/05 - 20050149129 - Baropacing and cardiac pacing to control output One aspect of the present subject matter relates to an implantable medical system. An embodiment of the system includes a baroreflex stimulator and a cardiac stimulator. The baroreflex stimulator applies a baroreflex stimulation signal through an electrode and provides a signal indicating that the baroreflex signal is being applied. The ... 07/07/05 - 20050149128 - Barorflex stimulation system to reduce hypertension Various aspects of the present subject matter provide an implantable medical device. In various embodiments, the device comprises a pulse generator, a lead, a sensor, and a controller. The pulse generator generates a baroreflex stimulation signal as part of a baroreflex therapy. The lead is adapted to be electrically connected ... 07/07/05 - 20050149127 - Automatic baroreflex modulation responsive to adverse event An aspect of the present subject matter relates to a system for providing baroreflex stimulation. An embodiment of the system comprises an adverse event detector to sense an adverse event and provide a signal indicative of the adverse event, and a baroreflex stimulator. The stimulator includes a pulse generator to ... 07/07/05 - 20050149126 - Baroreflex stimulation to treat acute myocardial infarction An aspect of the present subject relates to an implantable medical system. An embodiment of the system includes a baroreflex stimulator, a myocardial infarction detector, and a controller. The baroreflex stimulator applies a baroreflex stimulation signal through an electrode. The myocardial infarction detector detects an event indicative of myocardial infarction. ... 06/30/05 - 20050143780 - Automatic commutations of aai/ddd mode in the presence of paroxystic avb in an active implantable medical device, in particular a cardiac pacemaker A device including circuits able to control the switching of a AAI mode in a DDD mode, and conversely the return of DDD mode to AAI mode, according to predetermined criteria of detection of atrio-ventricular block (AVB) of the first, second, or third degree and of ventricular pause. The device ... 06/30/05 - 20050143779 - Baroreflex modulation based on monitored cardiovascular parameter An aspect of the present subject matter relates to a system for providing baroreflex stimulation. An embodiment of the system comprises a heart rate monitor to sense a heart rate and provide a signal indicative of the heart rate, and a baroreflex stimulator. The stimulator includes a pulse generator to ... 06/23/05 - 20050137634 - Biatrial pacing optimization for biventricular pacing A method or system for computing and/or setting optimal cardiac resynchronization pacing parameters is presented. Among the parameters which may be optimized in this manner are an atrio-ventricular delay interval, an inter-atrial interval and a biventricular offset interval. ... 06/23/05 - 20050137633 - Pacing method and device for preserving native conduction system An implantable device for delivering cardiac pacing therapy in order to improve cardiac function is programmed to allow some amount of intrinsic activity to occur without otherwise the disturbing the pacing algorithm used to deliver therapy. Intrinsic cardiac cycles utilize the heart's native conduction system and thus serve to prevent ... 06/23/05 - 20050137632 - Method and system for delivering cardiac resynchronization therapy with variable atrio-ventricular delay A method is presented by which an implantable cardiac rhythm management device may vary the atrio-ventricular delay or AVD interval used for delivering cardiac resynchronization therapy in an atrial tracking or AV sequential pacing mode in accordance with the sensed or paced atrial rate. Optimal values for the AVD parameter ... 06/23/05 - 20050137631 - Dynamic device therapy control for treating post myocardial infarction patients A cardiac rhythm management system includes an implantable device executing a dynamic pacing algorithm after an myocardial infarction (MI) event. The dynamic pacing algorithm dynamically adjusts one or more pacing parameters based on a person's gross physical activity level. Examples of the one or more pacing parameters include atrioventricular pacing ... 06/23/05 - 20050137630 - Method and system for setting cardiac resynchronization therapy parameters A method or system for computing and/or setting optimal cardiac resynchronization pacing parameters as derived from intrinsic conduction data is presented. The intrinsic conduction data includes intrinsic atrio-ventricular and interventricular delay intervals which may be collected via the sensing channels of an implantable cardiac device. Among the parameters which may ... 06/23/05 - 20050137629 - Trended measurement of cardiac resynchronization therapy One aspect relates to a method to provide trended measurement of cardiac resynchronization therapy (CRT). In various embodiments of the method, data related to a status of a prescribed cardiac resynchronization therapy (CRT) in a cardiac rhythm management (CRM) device is recorded, and the data is processed into trended data ... 06/16/05 - 20050131472 - Cardiac pacing using adjustable atrio-ventricular delays A pacing system for providing optimal hemodynamic cardiac function for parameters such as contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventricular pacing pulse. The system providing an option for near ... 06/16/05 - 20050131471 - Multi-site active implantable medical device including a mode of resynchronization of the ventricles An active implantable medical device comprising circuits for right ventricular, left ventricular, right atrial and eventually left atrial detection, as well as circuits for right and left ventricular stimulation. The device can operate in mode of resynchronization of the ventricular contractions, with an adjustable delay of inter-ventricular stimulation. It includes ... 06/16/05 - 20050131470 - Monitoring the sympathico-vagal activity by analysis of endocardiac acceleration in an active implantable medical device An active implantable medical device having a function for monitoring the sympathico-vagal activity by an analysis of endocardiac acceleration. The device collects at least one physiological parameter of the patient, analyzes that collected parameter and delivers at an output data representative of the sympathico-vagal activity of the patient. The physiological ... 06/16/05 - 20050131469 - Hemodynamic optimization system for biventricular implants A system for monitoring a patient and treating the malfunctioning heart of the patient, either in an automatic mode or in a semiautomatic mode, includes means which derive at least one physiologic signal from or related to the patient's circulatory system representative of hemodynamic status. A feedback loop is implemented ... 06/16/05 - 20050131468 - Vibrational therapy device used for resynchronization pacing in a treatment for heart failure Methods and systems for pacing the heart include a vibrational transducer which directs energy at the heart, usually including at least a ventricle, to pace the heart to promote synchronized contraction of the ventricles. Optionally, additional vibrational and/or electrical stimulation may be provided. ... 06/16/05 - 20050131467 - Method and apparatus for electrical stimulation therapy for at least one of atrial fibrillation, congestive heart failure, inappropriate sinus tachycardia, and refractory hypertension A method and system for providing pulsed electrical stimulation to vagus nerve(s) for providing therapy for cardiovascular disorders such as atrial fibrillation, congestive heart failure, inappropriate sinus tachycardia, and refractory hypertension. Method and system comprising implantable and external components. Power source for the stimulation pulses may be external or implantable. ... 06/09/05 - 20050125041 - Methods for ventricular pacing An exemplary method includes determining an atrial to ventricular activation time for a right ventricle; determining an atrial to ventricular activation time for a left ventricle; and determining a pacing sequence that paces the right ventricle prior to activation of the left ventricle if the time for the right ventricle ... 06/02/05 - 20050119707 - Subcutaneous cardiac rhythm management An implantable system includes a housing configured for subcutaneous, non-intrathoracic placement in a patient, and a plurality of electrodes coupled to the housing, each of the plurality of electrodes configured for subcutaneous, non-intrathoracic placement in the patient. Detection circuitry is provided in the housing and coupled to the plurality of ... ### FreshPatents.com Support |