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Surgery > Instruments > Electrical Application > Systems SystemsSystems 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.10/12/06 - 20060229595 - Instrument and methods for electrical current treatment of tissues and methods for monitoring the same Disclosed herein are methods of delivering current to a target tissue using a medical instrument, wherein the medical instrument is configured to track and deliver a predetermined current time amount. Also disclosed herein are methods and a system of monitoring for usage of a hemorrhoid treatment instrument and invoicing for ... 10/05/06 - 20060224152 - Method and system for compensating for external impedance of an energy carrying component when controlling an electrosurgical generator A control system for use with an electrosurgical generator which delivers electrosurgical energy to tissue has a control module. The module includes a processor executing an algorithm. The algorithm has the steps of determining a sensed voltage value corresponding to a sensed voltage signal output by the electrosurgical generator and ... 10/05/06 - 20060224151 - System and method for projecting a virtual user interface for controlling electrosurgical generator A system and method for projecting a virtual user interface for controlling an electrosurgical generator is disclosed. The system includes a generator for supplying RF energy to an active electrode, and an interface device adapted to project a virtual interface and infrared light onto a surface in proximity to a ... 09/28/06 - 20060217700 - Electrosurgical instrument with enhanced capability An electrosurgical instrument for use by a surgeon that provides additional features and benefits compared with known designs. The operating mode as well as other operating parameters, especially power level, can be preset by the surgeon before commencing the procedure. Five operating modes are available using a three-button fingerswitch handpiece ... 08/24/06 - 20060189974 - Tissue treatment system A tissue treatment system has a radio frequency generator and a handheld treatment instrument that generates a gas plasma jet for delivering thermal energy to a tissue surface to be treated. Incorporated in the housing for the generator is a calibration device for adjusting the energy output of the generator, ... 08/17/06 - 20060184164 - Electrosurgical generator apparatus An electrosurgical generator apparatus controls a variable output signal to electrodes. The generator apparatus operates in a cut mode, a coagulation mode or a stimulate mode. The generator apparatus comprises a DC power supply that provides regulated low voltage and high voltage outputs and a radio frequency (RF) waveform generator ... 08/10/06 - 20060178664 - Circuit for controlling arc energy from an electrosurgical generator A circuit is disclosed which minimizes the amount of tissue vaporized during a first half (positive half cycle) of an electrosurgical current cycle and minimizes the amount of current applied to tissue during a second half (negative half cycle) of the electrosurgical current cycle to control thermal spread. The circuit ... 07/20/06 - 20060161148 - Circuit and method for controlling an electrosurgical generator using a full bridge topology A system for controlling an electrosurgical generator using a full bridge topology is disclosed. The system includes a high voltage direct current power source which supplies power and a radio frequency output stage which receives power from the high voltage direct current power source and outputs radio frequency energy at ... 07/20/06 - 20060161147 - Method and apparatus for controlling a surgical ablation device A method and apparatus for controlling a surgical ablation device. Two electrodes of an ablation device against the surface of tissue. The tissue impedance is measured between the electrodes. The electrodes are energized based on the measured tissue impedance. If the measured tissue impedance is between a first threshold impedance ... 07/06/06 - 20060149225 - Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof The invention provides an electrosurgical unit comprising a radio-frequency power source and a pump, with the throughput of fluid expelled by the pump controlled by the RF power level setting and fluid flow rate setting. The invention also provides various electrosurgical devices which may be used with the electrosurgical unit. ... 06/29/06 - 20060142753 - Ablation system and method of use A system and method for creating lesions and assessing their completeness or transmurality. Assessment of transmurality of a lesion is accomplished by monitoring the depolarization signal in a local electrogram taken using electrodes located adjacent the tissue to be ablated. Following onset of application of ablation energy to heart tissue, ... 05/11/06 - 20060100616 - Ultrasonic device The present invention relates, generally, to ultrasonic medical devices and, more particularly, to ultrasonic surgical devices having improved cutting and cauterizing capabilities. In one embodiment, an ultrasonic waveguide (400) includes an amplifier that is convex and tapered in shape. ... 04/13/06 - 20060079871 - Universal foot switch contact port A universal contact port for receiving contacts of various cross-sectional dimensions and cross-sectional profiles of an electrosurgical component is provided. The universal contact port includes a plurality of rollers each defining a corporal axis, the corporal axes being at least substantially parallel to one another; and a plurality of shafts ... 01/26/06 - 20060020261 - Electrosurgical generator and method for cross-checking output power The functionality and the output power delivered are evaluated in an electrosurgical generator by calculating first and second values related to the output power delivered by using separate first and second computations. The two calculated values are compared, and an error condition is indicated when the two values differ by ... 12/29/05 - 20050288662 - Electrosurgical generator A method includes recognizing an electrosurgical probe coupled to an electrosurgical generator, selecting a mode of the electrosurgical generator based upon the recognized probe, setting a therapy profile based upon the selected mode, and displaying the therapy profile. The generator can include user inputs for modifying the therapy profile. A ... 12/22/05 - 20050283148 - Ablation apparatus and system to limit nerve conduction A surgical system and the associated methods for use in Minimally Invasive Surgical procedures for use in the short- and long-term termination of signals through nerves. Such a procedure is an improvement over the current state-of-the-art because of the use of a tightly coupled single-needle bi-polar probe. The proximity of ... 11/17/05 - 20050256519 - Tissue resurfacing A method for skin treatment comprises the steps of delivering at least one pulse of radio frequency power to at least one electrode in order to create an electric field; passing gas through the electric field in order to form plasma from the gas; and applying the plasma to the ... 11/10/05 - 20050251130 - Method and system of stopping energy delivery of an ablation procedure with a computer based device for increasing safety of ablation procedures An apparatus and method for stopping of ablation energy delivery to tissues during cardiac ablation procedures provides added safety. The apparatus uses control switch mechanism comprising relay switch and circuitry inserted between the ground patch and ablation generator. Alternatively, the control switching means can be on the catheter side of ... 11/03/05 - 20050245921 - Radio-frequency generator for powering an ablation device An apparatus and method for use in performing ablation of organs and other tissues includes a radio frequency generator which provides a radio frequency signal to ablation electrodes. The power level of the radio frequency signal is determined based on the subject area of ablation. The radio frequency signal is ... 10/20/05 - 20050234440 - System with a sensor for perfusion management A system for perfusion management that monitors, maintains, diagnoses, or treats perfusion deficiencies. ... 10/06/05 - 20050222562 - Method for monitoring impedance to control power and apparatus utilizing same A method for monitoring the impedance in a circuit coupling a radio frequency electrode to a radio frequency generator to control the power supplied by the generator to the electrode during a treatment procedure. In the method, the impedance in the circuit is monitored over a length of time. An ... 10/06/05 - 20050222561 - Surgical digitizing apparatus and method A surgical digitizing apparatus and procedure will typically involve a pad having discrete segments which may be arranged in a specific order to accommodate a particular procedure. The individual segments can then be used to accomplish both diagnostic and therapeutic functions. For example, the segments can be interrogated to produce ... 09/22/05 - 20050209589 - Assessment of lesion transmurality A method and apparatus for treating a body tissue in situ (e.g., an atrial tissue of a heart to treat) atrial fibrillation include a lesion formation tool is positioned against the heart surface. The lesion formation tool includes a guide member having a tissue-opposing surface for placement against a heart ... 09/15/05 - 20050203504 - Method and system for controlling output of rf medical generator A system and method are provided for controlling an electrosurgical generator generating electrosurgical energy which is delivered to a patient for performing an electrosurgical procedure for sealing tissue. The system includes a control module executable on a processor for receiving sensed data corresponding to at least one physical or electrical ... 08/18/05 - 20050182398 - Method and system for continuity testing of medical electrodes An electrosurgical generator is provided which includes a continuity test circuit assembly for testing electrical continuity through an electrode of an electrosurgical instrument. The continuity test circuit assembly includes a test power source providing electrical test energy to a first conductor which is in electrical communication with the electrode and ... 08/11/05 - 20050177150 - Electrosurgical generator An electrosurgical generator for supplying RF power to an electrosurgical instrument for cutting or vaporising tissue has an RF output stage with RF output devices, a series-resonant output network and an RF output. The generator offers improved cutting and vaporising performance, especially in relation to the reliability with which an ... 08/04/05 - 20050171523 - Irreversible electroporation to control bleeding A method of stopping or controlling bleeding by the placement of electrodes into or near the vicinity of vessels is disclosed. Then the application of electrical pulses causing irreversible electroporation of vessel and blood cells throughout the entire area of current flow the bleeding is stopped or controlled. The electric ... 08/04/05 - 20050171522 - Transurethral needle ablation system with needle position indicator In general, the invention provides a transurethral ablation device for indicating whether the ablation needle or needles are deployed or retracted during transurethral prostate treatment. The device includes a needle position sensor and a needle position indicator. The needle position sensor can directly or indirectly determine the position of the ... 07/21/05 - 20050159738 - Surgical perforation device with electrocardiogram (ecg) monitoring ability and method of using ecg to position a surgical perforation device A device with a functional tip containing at least one active electrode capable of creating a controlled perforation in body tissue through the application of energy (e.g. Radio Frequency (RF)) is described. The position of the tip of the device can be determined in response to ECG measured at the ... 06/30/05 - 20050143724 - Electrosurgical control system An electrosurgical control system includes a selector by which a user can select any of a number of electrosurgical devices or similar devices for use, and a processor system responsive to user actuation of a foot control or other central control by controlling the selected device. Each device has an ... ### FreshPatents.com Support |