| Patent Number |
Title Of Patent |
Date Issued |
| 5984857 |
Step-down skeletal muscle energy conversion system |
November 16, 1999 |
| 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 powered system provides completely |
| 5814705 |
Compositions that soften at predetermined temperatures and the method of making same |
September 29, 1998 |
| The present invention provides a composition that softens at a predetermined temperature, preferably between about 20.degree. C. and 90.degree. C., and more preferably between about 20.degree. C. and about 62.degree. C., comprising at least one block copolymer having at least two the |
| 5766207 |
Driver and method for driving pneumatic ventricular assist devices |
June 16, 1998 |
| A driver for at least one pneumatically-actuated ventricular assist device (VAD), includes a portable housing which encloses a single pump for performing blood-filling and blood-emptying operations of the VAD, a switching valve for alternately communicating the inlet and outlet of the |
| 5701919 |
Step-down skeletal muscle energy conversion system |
December 30, 1997 |
| 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 powered system provides completely |
| 5653676 |
Step-down skeletal muscle energy conversion method |
August 5, 1997 |
| 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 powered system provides completely |
| 5506300 |
Compositions that soften at predetermined temperatures and the method of making same |
April 9, 1996 |
| The present invention provides a composition that softens at a predetermined temperature, preferably between about 20.degree. C. and 90.degree. C., and more preferably between about 20.degree. C. and about 62.degree. C., comprising at least one block copolymer having at least two the |
| 5344385 |
Step-down skeletal muscle energy conversion system |
September 6, 1994 |
| 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 powered system provides completely |
| 5235003 |
Polysiloxane-polylactone block copolymers |
August 10, 1993 |
| Novel linear polysiloxane-polyacetone block copolymers are useful as surface modifying additives due in part to their miscibility with a wide variety of base polymers. A particularly preferred polysiloxane-polycaprolactone linear blocked copolymer is miscible with nylon and is useful |
| 4963595 |
Polysiloxane-polylactone block copolymers |
October 16, 1990 |
| Novel linear polysiloxane-polylactone block copolymers are useful as surface modifying additives due in part to their miscibility with a wide variety of base polymers. A particularly preferred polysiloxane-polycaprolactone linear blocked copolymer is miscible with nylon and is useful |
| 4731073 |
Arterial graft prosthesis |
March 15, 1988 |
| An arterial graft prosthesis comprises a first interior zone of a solid, segmented polyether-polyurethane material surrounded by a second zone of a porous, segmented polyether-polyurethane and a third zone immediately surrounding said second zone and of a solid, segmented polyether-p |
| 4662358 |
Electronic control system for a cardiac prosthesis |
May 5, 1987 |
| An electronic control system for controlling the operation of a cardiac prosthesis is disclosed. The cardiac prosthesis includes dominant and subordinate ventricles which receive blood in response to body requirements and an actuation device coupled to the ventricles for ejecting blo |
| 4604762 |
Arterial graft prosthesis |
August 12, 1986 |
| An arterial graft prosthesis comprises a first interior zone of a solid, segmented polyether-polyurethane material surrounded by a second zone of a porous, segmented, polyether-polyurethane and a third zone immediately surrounding said second zone and of a solid, segmented polyether- |
| 4559648 |
Safety control valve for an artificial heart |
December 24, 1985 |
| A safety drive for an artificial heart, if the right drive should fail it is simply put out of operation, while if the left drive fails, the right drive, which is still functioning, is switched over to the left circulatory pump and thus serves as a system-internal backup drive. |
| 4551131 |
Autotransfusion system with anticoagulant delivery system |
November 5, 1985 |
| A movable blood aspiration wand, especially for use in autotransfusion, carries with it a tank for anticoagulant replenished from an anticoagulant source fixed at a high source and is connected to a blood reservoir at a low elevation. Differences in wand height relative to the source and |
| 4540406 |
Anticoagulant delivery system for use with an auto-transfusion system |
September 10, 1985 |
| Anticoagulant is added to blood being aspirated through a hand-held wand having a venturi throat. The anticoagulant flows into the wand from a generally closed anticoagulant reservoir higher than the wand as replacement air flows into the anticoagulant air reservoir. This air inflow |
| 4476708 |
Flow controller |
October 16, 1984 |
| A flow controller primarily for breathing gas analysis has a gas flow circuit leading from a breathing air inlet to a gas analyzer and to a vacuum source. Another gas is bled into the circuit between the breathing air inlet and a point upstream of the vacuum source. Such other gas is |
| 4456014 |
Flow restrictor |
June 26, 1984 |
| For restricting the flow of breathing gas between a patient's breathing tube and a breathing gas analyzer, there is provided a fitting extending into the breathing tube. The fitting preferably has a restricted inlet volume opening through a filter and through a capillary tube into an |
| 4454643 |
Combination membraning tool, package and calibration unit for eyelid sensor or the like |
June 19, 1984 |
| A tool for applying a membrane on a small upstanding post like device, which tool incorporates a housing with means for securing the membrane across the top of the post with additional means disposed opposite the post for holding the membrane against the post and urging it down the side |
| 4430998 |
Wound closing device |
February 14, 1984 |
| A closure band of water-vapor permeable, flexible, elastic plastic spans a cut in the flesh and holds the cut closed. Flesh-engaging penetrants such as hooks are partly embedded in or are part of the band and engage the flesh either side of the cut. Adhesive on the band also contacts the |
| 4409172 |
Device and method for fabricating multi-layer tubing using a freely suspended mandrel |
October 11, 1983 |
| A device for fabricating multi-layer tubing has a reservoir for tubing solution and discharges such solution from an opening in the reservoir bottom. The reservoir is suspended so as to remain level. Extending through the opening is a vertical rod of smaller diameter but itself suspe |
| 4311133 |
Intra-aortic balloon |
January 19, 1982 |
| An intra-aortic balloon includes a flexible catheter having a deformable fitting closing one terminus and a connecting attachment at the other end. Adjacent the fitting, the catheter has a number of perforations all within an elongated balloon surrounding the perforations. One end of the |
| 4216776 |
Disposable aortic perforator |
August 12, 1980 |
| A disposable aortic perforator has an elongated stem with an exterior stem surface circular-cylindrical about a longitudinal axis and extending between a far end and a near end. A coaxial disc having an exterior circumferential cylindrical disc surface of a first predetermined diameter |
| 4190057 |
Device for determining the patentcy of a blood vessel |
February 26, 1980 |
| An implanted device for determining the patentcy of a transplanted vein directly connecting the aorta to transfer blood to a coronary artery has a physiologically inert bulb of flexible material disposed and retained in pressure transferring relationship to the distal region of the t |
| 4164943 |
Catheter anchor |
August 21, 1979 |
| A catheter anchor for holding a catheter in position in a patient has a base in the form of a disc with a flat surface normal to a central axis. There is a transverse, resilient bar extending across the disc on the side opposite the flat surface. The bar has at least one reentrant groove |
| 4144744 |
Vein preparation and testing device |
March 20, 1979 |
| A vein preparation and testing device has a rimmed base forming a shallow basin upstanding from which are a head block and a tail block. In the head block is a removable hollow chuck rotatable about an axis and connected to a liquid reservoir on the base and to a pump. The hollow chuck |
