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7618363 |
Hydraulically actuated artificial muscle for ventricular assist
A ventricular assist device comprises a sheet of hydraulically actuated material that can be affixed to prescribed locations on the surface of the heart to assist areas of the heart that do not...
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7614997 |
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...
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7601117 |
Systems and methods for assisting cardiac valve coaptation
Systems and methods for reducing distention in designated portions of a heart muscle while assisting cardiac valve alignment and coaptation. Anchoring devices are secured to the heart muscle and a...
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7597659 |
Suprapatellar external counterpulsation apparatus
An external counterpulsation apparatus has an efficient cuff and bladder system. Embodiments of this system generally allow effective treatment at lower pressures and a reduced total body surface...
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7594886 |
Method of using ventricular restoration patch
A ventricular patch to restore the ventricular architecture of the heart includes a sheet of biocompatible material having a generally oval configuration, and a continuous ring fixed to the sheet....
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7591778 |
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...
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7591777 |
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...
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7588531 |
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...
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7588530 |
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....
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7587247 |
Cardiac harness having an optimal impedance range
A system for treating the heart including a cardiac harness configured to conform generally to at least a portion of a patient's heart. The system also includes an electrode associated with the...
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7585322 |
Cardiocirculatory aiding device
A cardiocirculatory aiding device is disclosed generally comprising a housing with a cavity, an inlet, an outlet, and first and second sides with apertures therein, first and second shells mounted...
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7582051 |
Peripheral seal for a ventricular partitioning device
A partitioning device for separating a patient's heart chamber into a productive portion and a non-productive portion which is suitable for treating patients with heart disease, particularly...
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7578782 |
Methods and systems for determining a viscosity of a fluid
Methods for determining a viscosity of a fluid passing through a fluid pump are disclosed. An amount of energy associated with axially moving a rotor may be determined and correlated to a viscosity...
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7572217 |
System and method for providing cardiac support and promoting myocardial recovery
A system for providing cardiac support to a patient and for promoting myocardial repair and recovery, comprises a device for connecting to a vasculature of the patient and a control module. The...
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7566297 |
Electroactive polymer based artificial sphincters and artificial muscle patches
Provided are artificial muscle patches, which are adapted to be implanted adjacent a patient's heart, and artificial sphincter cuffs, which are adapted to be implanted around a body lumen, such as...
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7563225 |
Artificial heart pump system and its control apparatus
An artificial heart pump system wherein the load of a processor in a controller used for a blood pump system is reduced and the performance of the hardware is maintained or guarantied, and the...
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7544160 |
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,...
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7530998 |
Device and method to control volume of a ventricle
A device used to treat heart disease by decreasing the size of a diseased heart, or to prevent further enlargement of a diseased heart. The device works by limiting the volume of blood entering the...
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7524277 |
Apex to aorta cannula assembly
An apparatus, system, and method for assisting a heart in circulating blood that has been damaged, for example, by a myocardial infarction. In at least one aspect, an apparatus, system, and method...
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7517312 |
External counter pulsation treatment
A method for treating patients suffering from left ventricular dysfunction, exhibited by a left ventricular ejection fraction (LVEF) less than normal, is disclosed. The method involves applying,...
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7513864 |
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...
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7513863 |
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...
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RE40669 |
Blood pump
A pump especially designed for pumping blood comprises a bladder, the interior surface area and volume of which is changeable, i.e., it stretches and expands during the filling phase, and...
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7497116 |
Flow rate estimation method of blood pump
In a flow rate estimation method of a blood pump, a general flow rate estimation formula which includes a correction term is formed based on a plurality of blood pumps. Measured data obtained from...
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7494477 |
Catheter pump, catheter and fittings therefore and methods of using a catheter pump
A catheter pump includes a catheter channel communicating with a distal end portion of the catheter for alternatingly leading fluid in proximal and distal directions. At least one outlet passage is...
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7491163 |
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...
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7485104 |
Systems and methods for controlling renovascular perfusion
Devices, systems and methods by which the real or apparent renovascular perfusion and intrarenal pressure may be selectively and controllably increased. By selectively and controllably increasing...
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7481760 |
Implantable counterpulsation cardiac assist device
A hollow tubular element is inserted in the descending aorta. The caudad end contains a pressure sensitive passive or preferably, hydraulically or electrically activated, unidirectional valve. A...
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7479102 |
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...
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7470246 |
Centrifugal blood pump apparatus
A centrifugal blood pump apparatus has a centrifugal pump section including an impeller having a first magnetic material therein and rotating inside the housing to feed a fluid by a centrifugal...
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7468029 |
Progressive biventricular diastolic support device
A device is proposed to progressively reduce the hemodynamic cardiac symptoms of congestive heart failure as well as those induced by dilated cardiomyopathies. This device affords progressive...
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7445593 |
Device for proactive modulation of cardiac strain patterns
A direct cardiac assist device which may aid in ventricular recovery. The device proactively modulates cardiac strain pattern to produce a contraction strain pattern that induces beneficial growth...
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7445592 |
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...
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7431688 |
Rotary blood pump
Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump...
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RE40471 |
AED with force sensor
A force sensor, for use in combination with an automated electronic defibrillator (AED), includes a first conductive layer. A second conductive layer is spaced apart from the first conductive layer...
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7399271 |
Ventricular partitioning device
This invention is directed to a partitioning device for separating a patient's heart chamber into a productive portion and a non-productive portion. The device is particularly suitable for treating...
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7384389 |
Paradoxical flow valve of the heart
A method for transferring oxygenated blood from a low pressure chamber to a high pressure chamber includes placing a conduit between the left auricle and the aorta of a patient, attaching a...
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7381179 |
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...
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7374574 |
Device for axially conveying body fluids
The invention relates to a device for axially conveying body fluids. The aim of the invention is to embody the inflow and outflow area of an axial pump in such a way that the flow is not separated...
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7374530 |
Catheter-based tissue remodeling devices and methods
Devices and methods utilizing a catheter to remodel soft tissue of a patient and, in a preferred embodiment, to reduce the volume of the left ventricle of a heart. In one embodiment, one or more...
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7373207 |
Treatments for a patient with congestive heart failure
The invention is directed to devices for two minimally invasive therapeutic procedures, particularly for patients with congestive heart failure. One procedure involves providing a valve to form a...
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7371223 |
Electroactive polymer actuated heart-lung bypass pumps
A pump apparatus, which comprises: (a) a tubular portion comprising an electroactive polymer actuator that expands and contracts an inner volume of the tubular portion based upon received control...
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7361137 |
Surgical procedures and devices for increasing cardiac output of the heart
Methods and devices for passively assisting the cardiac function of the heart are disclosed. A method of increasing the cardiac output of a heart includes providing a site of surgical access to the...
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7347810 |
Device for draining the coronary sinus
A device for draining a coronary sinus comprises a first catheter having a distal end, a proximal end, and a passage there through, the distal end adapted to be placed in a coronary sinus, a second...
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7344548 |
Micro-pneumatic snare
A surgical instrument and method are disclosed for enhancing the overall performance of arterial occludes, by allowing the repetitive obstruction of blood flow to a targeted organ or tissue (e.g.,...
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7338521 |
Low profile inlet for an implantable blood pump
A low profile pump inlet for an implantable blood pump is disclosed. The low profile pump inlet has an inflow diffuser for attachment to a conduit bearing an inflow of a fluid such as blood and an...
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7338436 |
Implantable cardiac physical motion mapping device
An elastic framework configured to be positioned around a portion of the heart has a plurality of first regions and a plurality of second regions positioned relative to the first regions. The...
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7331921 |
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...
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7320665 |
Cardiac Ventricular Geometry Restoration Device and Treatment for Heart Failure
Methods for cardiac ventricular restoration include delivering an implantable expandable device into the ventricle via a catheter. The expandable device is anchored either to the wall of the left...
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7306558 |
Fluid pressure generating means
A fluid pressure generating means ( 10 ) for a heart assist device having blood pumping means. The pressure generating means ( 10 ) includes a housing ( 11 ), defining an interior volume ( 18 ),...
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