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Surgery > Cardiac Augmentation (pulsators, Etc.) Cardiac Augmentation (pulsators, Etc.)Cardiac Augmentation (pulsators, Etc.) 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.01/04/07 - 20070004960 - Cardiocirculatory aiding device Cardiocirculatory aiding device, as hematic pumping device able to aid the right or left ventricular or biventricular of the human body, characterised by being supplied by gas pneumatic energy, in which: i) the variation of pressure generator device systems is intended for being placed outside of the human body; ii) ... 01/04/07 - 20070004959 - Blood pump with frusto-conical bearing structure The blood pump comprises a stationary housing structure and a rotative impeller mounted within the stationary housing structure and defining with the stationary housing structure passages through which blood pumped by the rotative impeller flows through the pump. An inflow bearing comprises an inflow frusto-conical face of the rotative impeller ... 12/21/06 - 20060287568 - Single sac ventricular assist device A ventricular assist device (VAD) for assisting either or both heart ventricles. The VAD pumps blood between an inlet and an outlet. The VAD includes a bearingless electromagnetic drive unit comprising an armature disposed between two cores, a compressible sac, valves, and a frame. The armature moves toward the sac ... 12/14/06 - 20060281962 - Implantable heart assist system and method of applying same An extracardiac pumping system and method for using it supplement the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart. A battery powered pump may be implanted subcutaneously and attached to an inflow conduit fluidly coupled to a patient's ... 12/07/06 - 20060276683 - In-vivo method and device for improving diastolic function of the left ventricle A method and device featuring at least one component providing a potential to kinetic converted elastic, magnetic repulsion, or, an elastic and magnetic repulsion, pushing, pulling, or, pulling and pushing, type of radially outward expansive force or pressure to an inner, outer, intermediate, and, combination thereof, wall region of the ... 12/07/06 - 20060276682 - Cannulae having a redirecting tip A percutaneous cannula is provided that directs blood into a vessel of a patient. The cannula includes a main cannula portion and a tip portion. The tip portion directs blood-flow in a direction generally counter to the direction of flow through the lumen. The cannula is configured to prevent blood-flow ... 12/07/06 - 20060276681 - Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment provides a vascular graft that has a first end that is sized and configured to couple to ... 11/30/06 - 20060270895 - Multilumen catheter for minimizing limb ischemia A multilumen catheter that maximizes the blood flow into and out of the patient's vasculature while also providing for passive and/or active perfusion of tissue downstream of where the catheter resides in the vasculature. The inventive catheter comprises a proximal end, a first distal and a second distal end. Lumens ... 11/30/06 - 20060270894 - Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment of the intravascular extracardiac system comprises a pump with inflow and outflow conduits that are sized and ... 11/30/06 - 20060270893 - Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment provides a vascular graft that has a first end that is sized and configured to couple to ... 11/30/06 - 20060270892 - Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment provides a vascular graft that has a first end that is sized and configured to couple to ... 11/30/06 - 20060270891 - Multilumen catheter for minimizing limb ischemia A multilumen catheter that maximizes the blood flow into and out of the patient's vasculature while also providing for passive and/or active perfusion of tissue downstream of where the catheter resides in the vasculature. The inventive catheter comprises a proximal end, a first distal and a second distal end. Lumens ... 11/30/06 - 20060270890 - Multilumen catheter for minimizing limb ischemia A multilumen catheter that maximizes the blood flow into and out of the patient's vasculature while also providing for passive and/or active perfusion of tissue downstream of where the catheter resides in the vasculature. The inventive catheter comprises-a proximal end, a first distal and a second distal end with first ... 11/23/06 - 20060264695 - Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment of the intravascular extracardiac system comprises a pump with inflow and outflow conduits that are sized and ... 11/23/06 - 20060264694 - Multilumen catheter for minimizing limb ischemia A multilumen catheter that maximizes the blood flow into and out of the patient's vasculature while also providing for passive and/or active perfusion of tissue downstream of where the catheter resides in the vasculature. The inventive catheter comprises a proximal end, a first distal and a second distal end with ... 11/23/06 - 20060264693 - Multilumen catheter for minimizing limb ischemia A multilumen catheter that maximizes the blood flow into and out of the patient's vasculature while also providing for passive and/or active perfusion of tissue downstream of where the catheter resides in the vasculature. The inventive catheter comprises a proximal end, a first distal and a second distal end with ... 11/09/06 - 20060252977 - Nondestructive fluid transfer device Fluid transfer device may be configured as a vacuum pump particularly suited for nondestructive transfer of fluids, including blood and blood constituents. Fluid transfer device may be used for assisting in the pumping of blood through a patient's heart for reducing the load on the patient's heart, so that sheer ... 11/02/06 - 20060247486 - Centrifugal pump The invention relates to a centrifugal pump, especially for blood, comprising a pump rotor (14) which is arranged in a rotational manner and without a bearing in a liquid-tight and gas-tight closed housing (11), except for at least one inlet opening and at least one outlet opening (12, 13). Said ... 10/26/06 - 20060241335 - Method and system for physiologic control of a blood pump A physiologic control system and method for controlling a blood pump system such as a VAD system. The pump system includes, for example, a blood pump (12) and a controller (80) for controlling the pump. The system may further include a flow measurement device (124). Various control schemes are disclosed, ... 10/26/06 - 20060241334 - In vivo device for improving diastolic ventricular function The present invention provides an in vivo device for improving diastolic function of the heart, comprising: at least one elastic component that may be operatively connected to the external surface of the left or right ventricle of the heart by means of connecting elements, wherein said elastic component comprises essentially ... 09/28/06 - 20060217588 - Fully-implantable cardiac recovery system Apparatus (20) is provided including an inflatable bladder (40), adapted to be coupled to a blood vessel (22) of a subject (18) carrying oxygenated blood, such that an interior of the bladder (40) is in fluid communication with the blood. The apparatus also includes a piston (48) in mechanical communication ... 09/21/06 - 20060211909 - Method and apparatus for direct mechanical ventricular actuation with favorable conditioning and minimal heart stress A process for assisting the function of a heart disposed within a body, comprising the steps of supporting the heart in providing circulation of blood for perfusion of an organ in the body, remodeling the heart to render the heart in an improved state, and stabilizing the heart in the ... 09/07/06 - 20060199993 - Devices and methods for blood flow assistance Devices and methods are disclosed for assisting in blood flow from a weakened or injured heart, particularly for pediatric patents. A low profile, multi-chambered implantable mechanism is used to collect blood from a blood vessel and re-pump the blood out with an induced pressure emanating from a fluid pressure source. ... 08/31/06 - 20060195004 - Minimally invasive transvalvular ventricular assist device A tiny electrically powered hydrodynamic blood pump is disclosed which occupies one third of the aortic or pulmonary valve position, and pumps directly from the left ventricle to the aorta or from the right ventricle to the pulmonary artery. The device is configured to exactly match or approximate the space ... 08/24/06 - 20060189840 - Transmyocardial delivery of cardiac wall tension relief A method for treating a disease of the heart such as congestive heart failure includes forming an access opening from a heart chamber into a pericardial space defined between an epicardial surface of the heart and a pericardium opposing the epicardial surface. A cardiac support member is deployed into said ... 08/17/06 - 20060183963 - Peri-arterial blood flow booster A peri-arterial blood flow booster apparatus for improving blood pressure and flow, to be implanted around a blood vessel of a patient. The booster comprises a pressure applying device (56) comprising at least one balloon (44), placed alongside a portion of the blood vessel and a restrainer (54) for restraining ... 08/17/06 - 20060183962 - Artificial cardiac pump An artificial cardiac pump, comprising an impeller (3) rotatably supported on a fixed shaft body (2) in a housing (1) and a drive mechanism rotating the impeller, wherein blood is taken in from the front side and force-fed to the rear side by the rotation of the impeller (3). The ... 08/10/06 - 20060178552 - Extracardiac blood flow amplification device Apparatus is provided including an element shaped so as to define at least one surface. The element is adapted to be implanted in an ascending aorta of a subject in a vicinity of an aortic valve, and, during systole, to store, as potential energy, work applied to the surface by ... 08/10/06 - 20060178551 - Securement system for a heart actuation device The invention consists of means (1, 64, 81) of securing a powered active cyclically deforming jacket (13) that surrounds the outer or epicardial surface (12) of at least one chamber of the natural heart, as well as auxiliary components. Internal components suspended from the jacket (13) by heart wall-penetrating cords ... 08/10/06 - 20060178550 - Ventricular assist and support device A ventricular assist device to provide cardiac assistance to a damaged ventricle chamber. The ventricular assist device is formed of an ventricle body which is anchorable to spaced ventricle wall portions to provide cardiac assistance. Operation of the ventricular assist device is timed or synchronized with the operating phases of ... 07/27/06 - 20060167333 - Inflow conduit for ventricular assist device An inflow conduit of a ventricular assist device configured to prevent formation of recirculation and stagnation zones as well as collapse due to external forces or pump induced suction can be rigid and have a funnel like shape with an elbow to accommodate a patient anatomy. Stiffening elements and pressure ... 07/20/06 - 20060161040 - Methods and devices for improving cardiac function in hearts Various methods and devices are disclosed for improving cardiac function in hearts having zones of infarcted (akinetic) and aneurysmal (dyskinetic) tissue regions. The methods and devices reduce the radius of curvature in walls of the heart proximal infarcted and aneurysmal regions to reduce wall stress and improve pumping efficiency. The ... 07/13/06 - 20060155160 - Actuation mechanisms for a heart actuation device An actuation mechanism for assisting the operation of the natural heart has a varying shape for deforming the heart. In one embodiment, a plurality of links (6) articulates with respect to each other for varying the shape of the actuation mechanism. The plurality of links (6) is configured for being ... 07/13/06 - 20060155159 - Power system for a heart actuation device Actuator mechanisms on the heart are of several types. In preferred embodiments, they are generally simple, durable, mechanical assemblies and are driven by power delivered from a remote location, generally outside the chest, by a variety of mechanisms. The invention teaches physical mechanisms (1) for transfer of cyclic power from ... 07/13/06 - 20060155158 - Percutaneously introduced blood pump and related methods The present invention involves a blood pump having a pump housing with an internally disposed rotor that collectively provide a dual inflow capability which prevents thrombus formation and reduces hemolysis during use. ... 06/29/06 - 20060142634 - Sensor-equipped and algorithm controlled direct mechanical ventricular assist device An apparatus for assisting the function of a heart disposed within a body. The apparatus can apply a compressive force and an expansive force to a portion of the outer wall of the heart. The apparatus can comprise a cup-shaped shell having an exterior wall, an interior wall, an apex, ... 06/29/06 - 20060142633 - Blood pumping system and procedure A blood pumping system for supplementing distal blood perfusion comprising a blood pressure altering device in the form of a blood pump (1) having an inlet (10) and an outlet (9) which also includes an upstream end (2) and a downstream end (4). The blood pressure altering device (1) cooperates ... 06/15/06 - 20060129024 - Pulsatile blood pumping systems A blood pumping system to support living organisms based on a spherical multi vane and multi chamber pump with an oscillating motion that delivers pulsatile flow. The blood pumping system includes a number of design elements that address the particular needs and compatibility issues (both biological and hemological) of a ... 06/15/06 - 20060129023 - Pulsatile blood pumping systems A blood pumping system to support living organisms based on a spherical multi vane and multi chamber pump with an oscillating motion that delivers pulsatile flow. The blood pumping system includes a number of design elements that address the particular needs and compatibility issues (both biological and hemological) of a ... 06/08/06 - 20060122456 - Wide blade, axial flow pump A blood pump comprises a pump housing; a rotor positioned in the housing and comprising an impeller having a hydrodynamic surface for pumping blood; and a motor including a plurality of magnets carried by the impeller, plus a rotor stator, including an electrically conductive coil located adjacent to or within ... 04/27/06 - 20060089521 - Rotor driven linear flow blood pump A rotor driven linear flow blood pump (LFBP) which completely separates the driving motor from the pumped blood is used as a vascular assist device (VAD). Without the possible hazard of blood contamination, a brushless d. c. motor (BLDC) is ideal to drive and to control the LFBP. Thus we ... 04/20/06 - 20060084836 - Gas removal from a centrifugal pump A centrifugal pump includes a system that removes gas that accumulates along the axis of rotation of the shaft and/or impeller of the pump. One or more vent inlets are placed in the region where the gas accumulates and a suction device draws the accumulated gas through the vent inlets ... 04/20/06 - 20060084835 - Method and device for counteracting hypotension Devices and methods are disclosed to address blood pressure control. More particularly, the present invention relates to correction of transient low blood pressure. ... 04/06/06 - 20060074271 - Heart pump connector A heart assist device connection system comprises an inflow connector in fluid-tight communication with an inflow section of a heart assist device. The connector is configured to be releasably connected to an inlet extension inserted into a patient's ventricle. The connector has one or more recesses configured to match a ... 03/30/06 - 20060069299 - Integrated pump and cannula systems and related methods The present invention relates to systems and methods for transporting fluid between different locations within a body cavity and, in one particular application, systems and methods for transporting fluids to maintain at least partial blood flow through a protected blood flow path within the right and/or left side of the ... 03/23/06 - 20060063965 - Apparatus and methods for entering cavities of the body A cannula assembly provides access to an interior body region. The cannula assembly defines a lumen having a distal region. The lumen includes a bend in the distal region to guide deployment in the body region. A closure assembly can be provided to open and close the cannula assembly to ... 03/23/06 - 20060063964 - Micro electromechanical machine-based ventricular assist apparatus A ventricular assist apparatus is disclosed, which is composed of a sheet of MEMS-based material wrapped around a failing heart, wherein the sheet of MEM-based material contracts or expands in order to support the failing heart and ventricular activities thereof. Additionally, such an apparatus can include a controller in communication ... 03/09/06 - 20060052659 - Cardiac device and method One embodiment of a cardiac system may include a body that defines a first chamber and a second chamber therein, and structure for transferring pressure from said second chamber to the first chamber. ... 02/23/06 - 20060041183 - Electromechanical machine-based artificial muscles, bio-valves and related devices A biological function assist apparatus composed an electromechanically-based system wrapped in protective coating and controlled by a controller, which also provides power to the electromechanically-based system. The electromechanically-based system can be formed as a mesh using MEMS or a larger electromechanically grid and wrapped around a failing heart, or the ... 02/16/06 - 20060036127 - Method and apparatus for long-term assisting a left ventricle to pump blood A method and apparatus for long-term assisting the left ventricle of a heart to pump blood is disclosed which includes at least one transluminally deliverable pump and a transluminally deliverable support structure which secures the at least one pump within the aorta for long-term use. ... 02/16/06 - 20060036126 - Method and apparatus for modulating cellular growth and regeneration using ventricular assist device A system delivers combined ventricular assist device (VAD) 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 ... 02/09/06 - 20060030748 - Rotary pump with hydrodynamically suspended impeller This invention relates to rotary pumps adapted, but not exclusively, for use as artificial hearts or ventricular assist devices and, in particular, discloses in preferred forms a seal-less shaft-less pump featuring open or closed (shrouded) impeller blades with the edges of the blades used as hydrodynamic thrust bearings and with ... 02/09/06 - 20060030747 - Synchronization system between aortic valve and cardiac assist device A cardiac assist device synchronization system includes a cardiac assist device and an acoustic or accelerometer sensor that provides a signal input to the cardiac assist device indicative of aortic valve closure. The cardiac assist device is coupled to a mammalian aorta and includes an inflatable chamber and a fluid ... 02/09/06 - 20060030746 - Linear blood pump A linear blood pump (100) includes a tube (1) having an inner wall, an inner diameter, an axial length and a constant portion. The inner wall is designed and arranged such that blood contacting the inner wall may flow though the tube (1). The constant portion is designed to extend ... 01/19/06 - 20060014999 - Devices, systems and methods for assisting blood flow A pump includes a flexible conduit, at least one valve attached to the flexible conduit about the perimeter of the valve; and a drive mechanism to move the valve to pump blood within the conduit. The drive mechanism can, for example, be adapted to complete a single stroke during each ... 01/19/06 - 20060014998 - Multiple partitioning devices for heart treatment This invention is directed to a system and method for partitioning a patient's heart chamber into a productive portion and a non-productive portion which are particularly suitable for treating patients with congestive heart failure. The partitioning system has a plurality of partitioning devices with reinforced, expandable membranes which separate the ... 01/12/06 - 20060009672 - Atrial fibrillation treatment and method An apparatus is provided for compressing and permitting relaxation of a body organ in a body. In general, the apparatus includes organ compression means attached to a portion of the body organ for compressing the body organ, and compression activation means are connected to the organ compression means for controlling ... 01/05/06 - 20060004245 - High-efficiency external counterpulsation apparatus and method for performing the same The embodiments of the invention generally provide an external counterpulsation apparatus having an efficient cuff and bladder system. The embodiments generally allow effective treatment at lower pressures and a reduced total body surface area being compressed. An accurate and reliable combination of automatic and preset timing for inflation and deflation ... 12/29/05 - 20050288543 - Multi-chamber self-regulating ventricular assist device A multi-chamber ventricular assist device (VAD) for blood pumping includes a rigid outer housing having an inlet and outlet, a pre-filling chamber disposed within the housing fluidly connected to the inlet, and an a ejection chamber disposed within the outer housing. A movable plate is flexibly secured to the housing ... 12/15/05 - 20050277803 - Cannulae having reduced flow resistance A percutaneous cannula is provided for the exchange of blood within a patient's vasculature. The cannula includes a main cannula portion and a tip portion. The main cannula portion comprises a proximal portion, a distal portion, a first lumen, and a second lumen extending through the proximal portion. The tip ... 12/01/05 - 20050267323 - Apparatus and methods for treating stroke and controlling cerebral flow characteristics Apparatus and methods for treatment of stroke are provided. In a preferred embodiment, the present invention disposes at least one catheter having a distal occlusive member in either the common carotid artery (CCA) or both the vertebral artery (VA) and the CCA on the hemisphere of the cerebral occlusion. Blood ... 12/01/05 - 20050267322 - Sensorless flow estimation for implanted ventricle assist device A method of estimating the blood flow rate of a heart ventricle assist device which is positioned externally of, or implanted in, a patient. The assist device comprises a blood pump having a rapidly rotating, electrically powered impeller, and comprises briefly interrupting power to the impeller to cause its rotation ... 11/24/05 - 20050261543 - Implantable artificial ventricular assist device The present invention provides an implantable, artificial ventricular assist device and system employing an undulation pump and methods for the use thereof. The undulation pump has a toroidal-shaped pump chamber with two angled side walls, an arc-shaped outer wall, an inlet port, an outlet port, and an inner circumferential opening ... 11/17/05 - 20050256363 - Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and methods of using same. One embodiment provides a vascular graft that has a first end that is sized and configured to couple to ... 11/10/05 - 20050250976 - Heart wall actuation system for the natural heart with shape limiting elements An actuation system for assisting the operation of the natural heart includes an actuator element adapted to be positioned proximate a portion of a heart wall. The actuator element is operable for acting on the heart wall portion to effect a change in the shape of the heart. A shape-limiting ... 11/10/05 - 20050250975 - Blood pump with dual inlet passages The blood pump comprises a stationary housing structure, a rotative impeller, a first inlet and a second inlet. The stationary housing structure has a proximal end and a distal end, and is substantially symmetrical about a longitudinal axis. The rotative impeller is mounted within the stationary housing structure to circulate ... 10/20/05 - 20050234289 - Therapeutic agent delivery apparatus with direct mechanical ventricular assistance capability A therapeutic apparatus for delivering at least one therapeutic agent directly and preferentially to a desired tissue to be treated, comprising at least one membrane adapted to deliver the therapeutic agent to the desired tissue, wherein the membrane is in contact with at least a part of the desired tissue ... 10/20/05 - 20050234288 - Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures Pump and cannula systems inserted through the right side and/or left side of the heart provide protection against collapse of the heart chambers and veins and arteries and provide supplemental blood flow through same to enable beating heart or still heart surgery, such as bypass surgery, on all vessels of ... 10/20/05 - 20050234287 - Pulsatile blood pumping system A blood pumping system to support living organisms based on a spherical multi vane and multi chamber pump with an oscillating motion that delivers pulsatile flow. The blood pumping system includes a number of design elements that address the particular needs and compatibility issues (both biological and hemological) of a ... 10/13/05 - 20050228212 - Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures Pump and cannula systems inserted through the right side and/or left side of the heart provide protection against collapse of the heart chambers and veins and arteries and provide supplemental blood flow through same to enable beating heart bypass surgery on all vessels of the heart, including lateral and posterior ... 10/13/05 - 20050228211 - Cyclical pressure coronary assist pump An intravascular pump, which may be a left ventricle assist device, comprising a wall defining a pumping chamber, the wall support by struts, the struts attached to or part of an actuation system to move the wall from an expanded position to a contracted position and back to operated the ... 09/29/05 - 20050215843 - Method and system for controlling blood pump flow A heart assist device, for example a left ventricular assist device (LVAD) including a blood pump, is controlled on the basis of a ratio of the pump's speed and the patient's heart rate. The patient's activity and a required cardiac assist level can be defined via the heart beat rate ... 09/22/05 - 20050209502 - Device for connecting a cardiac biventricular assist means For connecting a cardiac biventricular assist means including a dual-chamber pumping device, and an electrically powered compressor means provided between the two chambers (12, 15) a partially flexible one-part or multi-part adapter (20) is provided with two through-passageways (21, 22; 34, 35) each separate from the other, said adapter being ... 08/25/05 - 20050187425 - Left ventricular function assist system and method A pump assists left ventricular function of a heart. The pump is configured for implant in the body and has an input connectable to the left atrium and an output connectable to the aorta for pumping blood from the left atrium to the aorta. A power source for powering operation ... 07/28/05 - 20050165269 - Cannulation system and related methods The present disclosure involves a cannulation system (10) and related methods for augmenting the cardiac output of the heart during cardiac surgery. ... 07/21/05 - 20050159640 - Cerebral perfusion augmentation Methods are provided for partial aortic obstruction for cerebral perfusion augmentation in patients suffering from global or focal cerebral ischemia. Alternatively, the methods can be used to partially obstruct aortic blood flow to condition the spinal cord to secrete neuroprotective agents prior to abdominal aortic aneurysm repair. Partial obstruction of ... 07/21/05 - 20050159639 - Physiologically based control system and method for using the same A device and method for maintaining a constant average pressure difference between the inlet and outlet of a pump for a body fluid, leading to an adequate flow for different pathological and physiological conditions, is described. The device and method allow for automatic adjustment of the pump operation to increase ... 07/14/05 - 20050154250 - Left and right side heart support A cannulation system for cardiac support uses an inner cannula disposed within an outer cannula. The outer cannula includes a fluid inlet for placement within the right atrium of a heart. The inner cannula includes a fluid inlet extending through the fluid inlet of the outer cannula and the atrial ... 07/07/05 - 20050148811 - Single port cardiac support apparatus A minimal intrusive cardiac support apparatus is disclosed which requires only one incision into a main blood vessel or heart chamber. The apparatus includes a pair of generally coaxial and slideably arranged cannulae (one inner and one outer) communicatively coupled to a blood pump for providing right-heart and/or left-heart cardiac ... 07/07/05 - 20050148810 - Devices and methods for blood flow assistance Devices and methods are disclosed for assisting in blood flow from a weakened or injured heart, particularly for pediatric patients. A low profile, multi-chambered implantable mechanism is used to collect blood from a blood vessel and re-pump the blood out with an induced pressure emanating from a fluid pressure source. ... 06/23/05 - 20050137446 - External counterpulsation cardiac assist device The cardiac assist device includes a sealed tubular housing for externally applying positive and negative relative pressure to a limb in counterpulsation with heart function. The applicator is assembled, in situ, to provide customized fit. It includes a fabric or spongelike inner layer cut to size and situated around the ... 06/16/05 - 20050131271 - Method and system for physiologic control of an implantable blood pump A physiologic control method and system for an implantable blood pump includes operating the pump at a predetermined speed and monitoring the patient's diastolic pump flow rate. The predetermined speed is varied in response to the diastolic pump flow rate. The pump speed may further be adjusted in response to ... ### FreshPatents.com Support |