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| Number | Title | Issue Date |
| 6976996 | Transport pump and organ stabilization apparatus including related methods A surgical pump suitable for bodily fluids, normally blood, usable in the course of surgical interventions as an alternative to the traditional CPB (cardio pulmonary bypass) making use of external blood pumps. It consists of an intake cannula (20) which is in... | 12/20/2005 |
| 6974436 | Integrated pump and cannula system 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 b... | 12/13/2005 |
| 6858001 | 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 couple... | 02/22/2005 |
| 6123725 | Single port cardiac support apparatus A reverse flow pump comprising two concentric passageways and an interior compartment having cut out portions in communication with a pump passageway for the directional flow of fluid relative to the pump, and a rotor positioned within the interior compar... | 09/26/2000 |
| 5513956 | Circulatory assisted device with motor driven gas pump A balloon pump for a circulatory assist device, the pump comprising a pumping chamber of variable volume in which a diaphragm assembly is displaceable in first and second pumping directions to inflate and deflate the balloon, the diaphragm assembly compri... | 05/07/1996 |
| 5306295 | Electrohydraulic heart with septum mounted pump A total artificial heart for placement inside a living body comprising right and left ventricle enclosures, wherein each ventricle includes an exterior wall formed of (i) contacting wall structure and (ii) noncontacting wall structure which collectively e... | 04/26/1994 |
| 5282849 | Ventricle assist device with volume displacement chamber A ventricle assist device for placement within a living body and including a self contained drive motor for generating pumping action with respect to a hydraulic pumping fluid. The ventricle assist device includes a ventricle having a blood chamber and a ... | 02/01/1994 |
| 5066300 | Twin replacement heart Two redundant hearts are operated simultaneously for normal patient activity, one of said hearts having sufficient capacity to maintain life at a reduced activity in the event of failure of the other. A single housing contains two brushless DC motors that pump... | 11/19/1991 |
| 4750903 | Artificial heart An artificial heart is made of a pair of substantially seamless, polyurethane rigid outer housings each having a shape approximating the combined outer shape of a natural cardiac ventricle and its associated auricle, with the bases of each of the housings... | 06/14/1988 |
| 4524466 | Continuous rotation reversible pitch axial thrust heart pump A continuous and unidirectional rotation reversible pitch axial thrust heart pump having a blood handling housing with first inlet and outlet check valves connected to the housing and second inlet and outlet check valves connected to the housing. A first ... | 06/25/1985 |
| 4397049 | Hydraulically actuated cardiac prosthesis with three-way ventricular valving A cardiac prosthesis having an hydraulically actuated compressible blood pump. An actuation chamber adjacent the blood pump receives hydraulic actuation fluid from an actuator pump through a three-way ventricular dump valve to compress the blood pump duri... | 08/09/1983 |
| 4382199 | Hydrodynamic bearing system for a brushless DC motor A hydrodynamic bearing system for a motor. The motor is illustrated and described as driving a pump for an artificial heart. The motor stator has a cylindrical bore which is closed at one end. The rotor is slidable and rotatable in the bore. The rotor has... | 05/03/1983 |
| 4381567 | Hydraulically actuated total cardiac prosthesis with reversible pump and three-way ventricular valving A total cardiac prosthesis having a pair of hydraulically actuated compressible blood pumps. An actuation chamber adjacent each blood pump receives hydraulic actuation fluid from a separate actuator pump to compress the blood pump during systole and eject... | 05/03/1983 |
| 4173796 | Total artificial hearts and cardiac assist devices powered and controlled by reversible electrohydraulic energy converters Total artificial hearts and circulatory assist devices, including left ventricular assist devices. The invention relates to electrohydraulic energy converter systems, whereby electric energy from a power source, which may be a battery or other source, is ... | 11/13/1979 |
