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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...
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...
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...
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...
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...
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,...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.,...
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...
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...
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...
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), and...
7291105 Self-anchoring cardiac harness  
A self-anchoring cardiac harness is configured to fit at least a portion of a patient's heart and includes a tissue engaging element for frictionally engaging an outer surface of a heart. The...
7288104 Endocardial splint and method therefor  
A splint assembly includes an elongate body. An active fixation fastener is coupled substantially adjacent to a distal end of the elongate body. The splint assembly includes at least one flange...
7282024 Cardiac harness having interconnected strands  
A cardiac harness for treating a patient's heart includes elastic rows connected by a connector assembly. The connector assembly can have a specific pattern, or can be formed of elongated elastic...
7273446 Methods, devices and systems for counterpulsation of blood flow to and from the circulatory system  
Counterpulsation methods and systems for assisting the heart of a patient involve, for example, coordinating the operation of a pulsatile pump to suction blood from an artery through a first...
7264606 Circulatory support system  
A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes...
7247134 Devices and methods for heart valve treatment  
Devices and methods for improving the function of a valve (e.g., mitral valve) by positioning an implantable device outside and adjacent the heart wall such that the device alters the shape of the...
7244224 Pump driving unit for driving a pump used for supporting or substitution of cardiac function  
In a small sized pump driving unit, a fluid pump is used for driving the pump for supporting of substituting of cardiac function. The fluid pump can generate pressure fluctuations that can...
7241257 Devices and methods to perform minimally invasive surgeries  
In one embodiment, there is disclosed a device adapted to be used for percutaneous minimally invasive heart surgery including a catheter having a proximal end and a distal end adapted to be fed...
7238165 Fluid pump  
A pumping system 10 provides a physiological pulsatile flow and includes controller 121, a pump drive head 50 coupled to a motor 12 and a fluid housing 52 having at least one port 60. The port 60...
7238151 Permanent heart assist system  
A heart assist system includes an axial-flow blood pump capable of being implanted in the descending thoracic aorta; a pressure-feedback controller connected to the pump, for controlling the pump,...
7235042 Apparatus and method for applying cardiac support device  
A method for applying a cardiac support device to a heart of a mammal includes surgically accessing a heart, providing a cardiac support device including a jacket, and positioning the jacket...
7229402 Minimally invasive ventricular assist technology and method  
The present invention is a cardiac-assist device and technique used to maintain a patient's cardiac output when normal cardiac output is insufficient. Blood is removed from a selected ventricle...
7217236 Universal pneumatic ventricular assist device  
A pneumatic ventricular assist device (VAD) is disclosed for use in any circulatory support application including RVAD, LAVD, or BIVAD, trans-operative, short-term or long-term, tethered...