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| Number | Title | Issue Date |
| 8167937 | Artificial heart A heart pump including a casing internally defining a substantially spherical cavity (10) housing: a rotating shutter (12) secured to the cavity (10) so as to be rotatable about a rotation axis; an oscillating shutter (14) secured to the ... | 05/01/2012 |
| 7374573 | System and method for improving ventricular function An approach is disclosed for improving ventricular function of a patient's heart. According to one embodiment, the system includes a pouch that defines a chamber dimensioned and configured to simulate at least a portion of a heart chamber. The pouch has a sidewall p... | 05/20/2008 |
| 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 signals; and (b) a control unit electrically coupled to the electroact... | 05/13/2008 |
| 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 framework allows for the positioning of the first regions and second regio... | 03/04/2008 |
| 7218009 | Devices, systems and methods for generating electricity from gases stored in containers under pressure A breathing system includes a container to store a gas under pressure, wherein the gas includes air or oxygen. The container includes an outlet through which the gas exits the container. The breathing system further includes a generator system including a generator ... | 05/15/2007 |
| 7198594 | Electrically-controllable multi-fingered resilient heart compression devices Soft, multi-fingered resilient robotic fingers for selectively assisting heart ventricles or other organ to produce internal pressure and to pump blood, in synchrony with the systolic contraction of the ventricle or organ, as well as providing arrhythmia control of ... | 04/03/2007 |
| 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 |
| 7125376 | 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 co... | 10/24/2006 |
| 7081683 | Method and apparatus for body generation of electrical energy Method and apparatus for generating electrical energy from a subject's body by sensing pulsations of a part of the subject's cardiovascular system and converting such pulsations into electrical energy. In one described preferred embodiment, pulsations of an artery o... | 07/25/2006 |
| 7029433 | Device for cardiac restoration The invention herein is an enhanced VAD device (EVAD), for a physician to use to restore a dysfunctioning native heart with severe muscular damages to good health, so that the EVAD can be explanted eventually. The EVAD device comprises one or two VAD(s) a pacemaker ... | 04/18/2006 |
| 6945926 | Muscle energy converter A muscle energy converter for a patient. The converter includes a casing having a fluid port. The converter includes a bellows mechanism disposed in the casing adapted to contain fluid. The converter includes an actuator arm mechanism adapted to be attached to a ten... | 09/20/2005 |
| 6887192 | Heart support to prevent ventricular remodeling This is a support device that prevents, reduces, and delays remodeling of diseased cardiac tissue, and also decreases the impact of such remodeling on collateral tissue is disclosed. The invention further reinforces abnormal tissue regions to prevent over-expansion ... | 05/03/2005 |
| 6343605 | Percutaneous transluminal myocardial implantation device and method Devices and methods for increasing the volume of blood pumped by a heart muscle are disclosed. A therapeutic catheter in accordance with the present invention may comprise an elongate shaft having a proximal end, a distal end, and a lumen extending throug... | 02/05/2002 |
| 6113604 | Method and apparatus for fixing a graft in a bone tunnel A method for fixing a bone block in a bone tunnel comprising the steps of placing the bone block in the bone tunnel, advancing spaced-apart first and second metal wires through the bone, transversely of the bone tunnel, so as to intersect the bone block a... | 09/05/2000 |
| 6080163 | Device and method for trans myocardial revascularization (TMR) A stent for insertion into a heart wall for Trans Myocardial Revascularization (TMR) thereof. The TMR stent provides for the delivery of blood nutrients from a heart chamber into the heart wall and has an elongated body which may contain a cavity and open... | 06/27/2000 |
| 6063115 | Cardiac assistance system A system to provide cardiac assistance to a patient's heart. The system includes a pulse generator adapted to be coupled to patient's heart and adapted to be coupled to a skeletal muscle ventricle (SMV). The system further includes a sewing ring adapted t... | 05/16/2000 |
| 5984857 | Step-down skeletal muscle energy conversion system This invention provides a simple skeletal muscle linear pull energy convertor which can harness the maximal amount of muscle power for a wide variety of implantable medical devices, including the full range of circulatory support devices. The muscle power... | 11/16/1999 |
| 5814102 | Process for training a skeletal muscle for a biomechanical heart and biomechanical heart using such a muscle A method for dynamically training a skeletal muscle (1) to be used for a biomechanical heart involves wrapping the skeletal muscle (1) around a deformable training device (2) which can contract, resistance to contraction being provided, and recover its in... | 09/29/1998 |
| 5683455 | Training appliance for a muscle Implantable training appliance for a muscle, which is present for supporting the heart muscle, having a first chamber (3) which is filled with a gaseous and/or a liquid medium, has elastically deformable walls (4), and is surrounded by the muscle to be tr... | 11/04/1997 |
| 5571176 | Partially autogenous four chambered heart An autogenous heart having a physiology similar to a native heart is formed from two muscle segments which are wrapped about a mold and divided to form four chambers. To form this heart, two segments of muscle are formed to surround a silastic balloon rei... | 11/05/1996 |
| 5456715 | Implantable mechanical system for assisting blood circulation Implantable mechanical system for assisting blood circulation using a blood circulation pump and wherein the system, being actuated by the power produced by the linear contraction of the skeletal muscle, comprises for its two-phase application: a combined... | 10/10/1995 |
| 5443504 | Basic skeletal muscle energy conversion system This invention provides a simple skeletal muscle linear pull energy convertor which can harness the maximal amount of muscle power for a wide variety of implantable medical devices, including the full range of circulatory support devices. The muscle power... | 08/22/1995 |
| 5397349 | Muscle and air powered LVAD A method for providing ventricular assist to a patient with a weak or nonfunctional heart includes attaching an artificial ventricle to a patient and pumping said artificial ventricle with a muscle powered hydraulic pump. This method is enhanced by supple... | 03/14/1995 |
| 5364337 | Muscle powered cardiac assist system A method and apparatus for providing assistance to a patient's heart using a surgically prepared skeletal muscle. A skeletal muscle, such as the latissimus dorsi, is carefully separated from the skeletal structure leaving enervation and vascularization in... | 11/15/1994 |
| 5358519 | Muscle control and monitoring system Apparatus and method for monitoring the performance of skeletal muscle used in a skeletal muscle powered cardiac assist system. The longest term monitoring is performed by an oxygen sensor which determines the adequacy of circulatory support to the skelet... | 10/25/1994 |
| 5344385 | Step-down skeletal muscle energy conversion system This invention provides a simple skeletal muscle linear pull energy convertor which can harness the maximal amount of muscle power for a wide variety of implantable medical devices, including the full range of circulatory support devices. The muscle power... | 09/06/1994 |
| 5318501 | Linear motion, muscle-actuated cardiac assist device A linear motion, muscle-actuated cardiac assist device novelly uses a powering muscle whose contractions and relaxations are made in a substantially linear fashion, as opposed to the curvilinear muscle motions associated with prior art muscle-actuated car... | 06/07/1994 |
| 5273518 | Cardiac assist apparatus Regulators for improved cardiac assist systems of the type including skeletal muscle powered fluid pressure means, a cardiac cup and/or an aortic balloon pump. The regulators convert the positive pressures generated by contracting muscle into both positiv... | 12/28/1993 |
| 5205810 | Muscle powered cardiac assist system A method and apparatus for providing assistance to a patient's heart using a surgically prepared skeletal muscle. A skeletal muscle, such as the latissimus dorsi, is carefully separated from the skeletal structure leaving enervation and vascularization in... | 04/27/1993 |
| 5098442 | Muscle contraction control by intramuscular pressure monitoring A technique for monitoring the performance of a skeletal muscle used in a cardiac assist sytem. The skeletal muscle is surgically wrapped about the heart, the descending aorta, or a chamber connected in series with or parallel to the descending aorta to p... | 03/24/1992 |
| 5089019 | Muscle work output monitor by intramuscular temperature variation measurement Apparatus and method for monitoring performance of a skeletal muscle powered cardiac assist system. A chronically implantable temperature sensor is imbedded within the skeletal muscle. Muscle contraction and performance can be monitored by intramuscular t... | 02/18/1992 |
| 5069680 | Muscle stimulator with variable duty cycle Apparatus and method of controlling a muscle stimulator by varying the duty cycle. The muscle stimulator is particularly adapted to a skeletal muscle powered cardiac assist system. An activity or other sensor is used to determine the requirement for cardi... | 12/03/1991 |
| 5067960 | Muscle fitness detection by colorimetry Apparatus and method for monitoring the performance of skeletal muscle used in a skeletal muscle powered cardiac assist system. The monitoring is performed by an oxygen sensor which determines the adequacy of circulatory support to the skeletal muscle. An... | 11/26/1991 |
| 5007927 | Muscle-powered cardiac assist device A method and apparatus is provided for enhancing blood circulation, and thereby reducing fatigue, in a skeletal muscle used for powering a cardiac assist device wherein the muscle is positioned to compress a blood reservoir in response to muscle contracti... | 04/16/1991 |
| 4968293 | Circulatory assist device An assist device for the heart comprises a continuous flow pump for moving blood through a vessel and a muscle powered device for supplying pulsatility to the flow of blood, to simulate human heart pumping action.... | 11/06/1990 |
| 4919661 | Autogeneous pumping chamber and procedures therefor Means and methods of creating an autogeneous pumping chamber for ventricular replacement or ventricular assist while avoiding heart transplantation. A chamber is created by wrapping a major muscular mass around a silastic-type pouch which is thereafter fi... | 04/24/1990 |
| 4813952 | Cardiac assist device A muscle-powered pump to assist the natural heart is disclosed. The device comprises an oblate, spheroidal-shaped pumping chamber surrounded by innervated muscular tissue. The device may be coupled to the ventricle and descending aorta with valves and be ... | 03/21/1989 |
| 4759760 | Cardiovascular pump system Structure and a method of implanting the structure to assist a patient's cardiovascular system in pumping blood from a vein to an artery. A chamber is associated with a vein and an artery to allow blood from the vein to flow thereinto. A length of living ... | 07/26/1988 |
| 4666443 | Biventricular circulatory assist system and method A biventricular circulatory support system for a human patient is described. A mechanical first pump for assuming at least a part of the pumping load of the patient's left ventricle is implanted in the patient. A second pump for assuming at least a part o... | 05/19/1987 |
| 4652265 | Implantable blood pump and integral apparatus for the operation thereof A blood pump is powered by an implantable motive power source. The blood pump has four actively pumping chambers, two of the chambers simulating ventricles and two of the chambers simulating atria, wherein the ventricular and atrial chambers are driven in... | 03/24/1987 |
