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| Number | Title | Issue Date |
| 8152845 | Blood pump system with mounting cuff An implantable blood pump system includes a blood pump housing and a mounting cuff. The blood pump housing at least partially contains a pump drive system adapted to transfer blood from an interior chamber of a heart and return the blood to a circulatory system. The... | 04/10/2012 |
| 8021422 | Actuating mechanism for pneumatically-driven artificial heart A pneumatic pump comprises two coaxial cylindrical pumping chambers, each enclosing a piston connected to the other through a partition by a tube, thereby forming a monolithic piston assembly that is driven axially by a common electrical actuator providing reciproca... | 09/20/2011 |
| 7883539 | Heart wall tension reduction apparatus and method Devices and methods for treatment of a failing heart by reducing the heart wall stress. The device can be one which reduces wall stress throughout the cardiac cycle or only a portion of the cardiac cycle. ... | 02/08/2011 |
| 7811318 | Apparatus and method for pneumatically driving an implantable medical device A driver is disclosed for powering a pneumatically operated implantable device, such as an artificial heart with a left and a right ventricle. The driver includes a pair of compressors that each has a first and a second compression chamber. In a first mode of operat... | 10/12/2010 |
| 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 heart during each cardiac cycle. The device partitions blood within ... | 05/12/2009 |
| 7396327 | Blood pump system and method of operation A blood pump system includes a blood pump having a motor with a rotor and a stator. The stator has a plurality of stator windings situated therein. A motor controller is coupled to the motor, and a processor has inputs coupled to the motor controller for receiving a... | 07/08/2008 |
| 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 blood flow through same to enable beating heart or still heart surgery, s... | 06/03/2008 |
| 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 even when it is diverted, thereby maintaining a substantially non-dis... | 05/20/2008 |
| 7354396 | Passive ventricular support devices and methods of using them A device for supporting or constraining at least some part of the epicardial surface of the heart during a portion of the heartbeat, such as diastole is used to assist in the treatment of congestive heart failure. The device comprises an enclosure having an interior... | 04/08/2008 |
| 7341584 | Device and method to limit filling of the heart 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 heart during each cardiac cycle. The device partitions blood within ... | 03/11/2008 |
| 7318833 | PFO closure device with flexible thrombogenic joint and improved dislodgement resistance The present invention provides devices for closing septal defects, such as a patent foramen ovale (PFO). The closure devices include a proximal anchor member, a distal anchor member, and at least one flexible center joint connecting the two anchor members. According... | 01/15/2008 |
| 7311731 | Prevention of myocardial infarction induced ventricular expansion and remodeling A method for direct therapeutic treatment of myocardial tissue in a localized region of a heart having a pathological condition. The method includes identifying a target region of the myocardium and applying material directly and substantially only to at least a por... | 12/25/2007 |
| 7309330 | Implantable cerebral spinal fluid drainage device and method of draining cerebral spinal fluid The invention provides a drainage system that includes a ventricular catheter, a drainage catheter, and a positive displacement pump that can function to actively drain CSF from the ventricles of the brain of a patient. Methods of using a drainage system in accordan... | 12/18/2007 |
| 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 having a substantially rigid first housing port... | 12/11/2007 |
| 7303581 | Artificial heart using magnetohydrodynamic propulsionh An implantable artificial heart apparatus which has no moving parts. It employs the technology of magnetohydrodynamics (MHD) to induce flow of human blood. An MHD propulsion unit is a device which applies magnetic and electric fields to blood to propel the conductiv... | 12/04/2007 |
| 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 material connecting all of the apices of adjacent rows. The connectors... | 10/16/2007 |
| 7275546 | Anterior and inferior segment ventricular restoration apparatus and method The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch is facilitated by palpating a beating heart to identify akinetic, although norma... | 10/02/2007 |
| 7267686 | Implantable prosthetic valve A prosthetic valve for implantation within a fluid conducting lumen within a body includes an elongate generally cylindrical radially collapsible valve body scaffold defining a fluid passageway therethrough for retentive positioning within the lumen. A radially coll... | 09/11/2007 |
| 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 heart wall acting on the valve. The implantable device may alter the ... | 07/24/2007 |
| 7244242 | Valve treatment catheter and methods The invention provides a catheter for insertion into a biological passage which contains a first flowing fluid, the catheter including a tubular member having a proximal end and a distal end; a fluid delivery lumen contained within the tubular member; an inflatable ... | 07/17/2007 |
| 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 through a blood vessel, a pump associated with the distal end of the cat... | 07/10/2007 |
| 7220265 | Patent foramen ovale (PFO) closure method and device The present invention provides methods and devices for closing two overlapping layers of tissue in a mammalian heart, for example a patent foramen ovale (PFO). The closure devices may take a number of different forms and may be retrievable. In some embodiments, the ... | 05/22/2007 |
| 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 implantable or extracorporeal. In the preferred embodiment, the VAD consists of... | 05/15/2007 |
| 7189260 | Ventricular assist system secondary impeller In a centrifugal flow blood pump, usable in left ventricular assist applications, blood is pumped from an inlet (16) to an outlet (22) by a primary impeller (18). A portion of the blood that enters the pump follows a secondary channel (24... | 03/13/2007 |
| 7189199 | 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 an... | 03/13/2007 |
| 7186210 | 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 ... | 03/06/2007 |
| 7174896 | Method and apparatus for supporting a heart A method and apparatus for treating heart failure includes applying a bioabsorbable material around at least a portion of a patient's heart. The bioabsorbable material can be applied in conjunction with a nonbioabsorbable structure such as a cardiac harness or in li... | 02/13/2007 |
| 7175588 | Method and system for detecting ventricular collapse A pump system includes an implantable pump including a motor having a rotor and a stator. The stator includes a plurality of stator windings, and a motor controller is coupled to the motor to energize the windings so as cause the rotor to turn. A time-based system p... | 02/13/2007 |
| 7172551 | 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 an... | 02/06/2007 |
| 7169109 | Methods and apparatus for controlling heart assist devices An apparatus for a heart assist device, comprising a processing unit for computing the blood flow rate from the arterial pressure curve and for predicting at every heartbeat the closing time of the heart valve from the curve of the blood flow rate. The processing un... | 01/30/2007 |
| 7156872 | Implantable valve system An implantable valve having a valve element or leaflet and a base that is attachable to a vessel wall using a connector such as a screw, pin or a staple. The valve can be implanted using a catheter to position the valve in a desired location and drive the connector ... | 01/02/2007 |
| 7156873 | Methods for detecting an abnormal condition of a blood pump system The present invention provides methods for detecting an abnormal condition of a blood pump system based on the power consumption of the pump actuator. By plotting differentiated power consumption of the pump actuator over time against the power consumption, a plot p... | 01/02/2007 |
| 7144365 | 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 method of using same. One embodiment of the extracardiac system comprises a pump ... | 12/05/2006 |
| 7144364 | Endoscopic arterial pumps for treatment of cardiac insufficiency and venous pumps for right-sided cardiac support Methods for using blood pumps to treat heart failure are disclosed. The pump is mounted on an interior of a stent, and the stent is releasably mounted on a distal end of a catheter. The distal end of the catheter is inserted into a peripheral artery and advanced to ... | 12/05/2006 |
| 7141859 | Porous gas sensors and method of preparation thereof Devices including conductometric porous silicon gas sensors, methods of fabricating conductometric porous silicon gas sensors, methods of selecting a device, methods of detecting a concentration of a gas, and methods of analyzing data. ... | 11/28/2006 |
| 7128707 | 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 the urethra, the anal canal, or the lower esophagus. The devices of t... | 10/31/2006 |
| 7115581 | Chemically-defined non-polymeric valency platform molecules and conjugates thereof Chemically-defined, non-polymeric valency platform molecules and conjugates comprising chemically-defined valency platform molecules and biological or chemical molecules including polynucleotide duplexes of at least 20 base pairs that have significant binding activi... | 10/03/2006 |
| 7083642 | Delivery of therapeutic capable agents The present invention provides improved stents and other prostheses for delivering substances to vascular and other luminal and intracorporeal environments. In particular, the present invention provides for therapeutic capable agent eluting stents with minimized und... | 08/01/2006 |
| 7081084 | Modular power system and method for a heart wall actuation system for the natural heart An actuation system for assisting the operation of a natural heart is disclosed. The actuation system includes a framework for interfacing with the natural heart and a power system that can be coupled to the framework. The framework includes an internal framework el... | 07/25/2006 |
| 7081131 | Artificial valve Method and apparatus implementing and using techniques for controlling flow in a body lumen, including use of an implantable medical device. The device includes a membrane implantable in a body lumen and invertibly deformable between a first position and a second po... | 07/25/2006 |
