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Class Information
Number: 623/3.21
Name: Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor > Corporeal artificial heart, heart assist (e.g., implantable blood pump, etc.), control regulator, or power supply therefor, or method of operation therefor > Having flexible diaphragm or chamber > Flexible chamber or diaphragm dirrectly compressed by pressurized working fluid
Description: Subject matter wherein the resilient membrane or bag-like member is in contact with and pressed or squeezed by a compressed fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7585322 |
Cardiocirculatory aiding device |
Sep. 8, 2009 |
| 7361137 |
Surgical procedures and devices for increasing cardiac output of the heart |
Apr. 22, 2008 |
| 7244224 |
Pump driving unit for driving a pump used for supporting or substitution of cardiac function |
Jul. 17, 2007 |
| 7217236 |
Universal pneumatic ventricular assist device |
May. 15, 2007 |
| 6945998 |
Corporal implantation device for assisting blood and heart ventricular circulation |
Sep. 20, 2005 |
| 6770024 |
Implantable counterpulsation cardiac assist device |
Aug. 3, 2004 |
| 6709383 |
Device for driving blood pumps |
Mar. 23, 2004 |
| 6540658 |
Left-right flow control algorithm in a two chamber cardiac prosthesis |
Apr. 1, 2003 |
| 6540659 |
Cardiac assistance systems having bi-directional pumping elements |
Apr. 1, 2003 |
| 6471633 |
Mechanical auxillary ventricle blood pump with reduced waist portion |
Oct. 29, 2002 |
| 6398715 |
Apparatus for assisting systolic and diastolic cardiac function |
Jun. 4, 2002 |
| 6254525 |
Cardiac assist system and method thereof |
Jul. 3, 2001 |
| 6238334 |
Method and apparatus for assisting a heart to pump blood |
May. 29, 2001 |
| 6206820 |
Device for supporting cardiac function having elastic filling chambers |
Mar. 27, 2001 |
| 6168624 |
Apparatus and methods for revascularization and perfusion |
Jan. 2, 2001 |
| 6001127 |
Annuloplasty ring holder |
Dec. 14, 1999 |
| 5971910 |
Method and apparatus for assisting a heart to pump blood by applying substantially uniform pressure to the ventricles |
Oct. 26, 1999 |
| 5397349 |
Muscle and air powered LVAD |
Mar. 14, 1995 |
| 5332403 |
LVAD with t-shape and unidirectional valve |
Jul. 26, 1994 |
| 5300113 |
Cardiac ventricular assistance device particularly for compensating for weakened heart muscle function and for maintaining the vital body functions |
Apr. 5, 1994 |
| 5222980 |
Implantable heart-assist device |
Jun. 29, 1993 |
| 5192314 |
Synthetic intraventricular implants and method of inserting |
Mar. 9, 1993 |
| 5139517 |
Orthotopic intraventricular heart pump |
Aug. 18, 1992 |
| 5135539 |
Quick-connect, totally implantable cardiac prosthesis with floating membranes and removable sensitive elements |
Aug. 4, 1992 |
| 5133744 |
Tubular-valued artificial heart |
Jul. 28, 1992 |
| 5089016 |
Blood pump |
Feb. 18, 1992 |
| 5089018 |
Total heat prosthesis |
Feb. 18, 1992 |
| 5089020 |
Monoseptal, bi-ventricular artificial heart |
Feb. 18, 1992 |
| 4981484 |
Modified elliptical artificial heart |
Jan. 1, 1991 |
| 4976729 |
Elliptical artificial heart |
Dec. 11, 1990 |
| 4902291 |
Collapsible artificial ventricle and pumping shell |
Feb. 20, 1990 |
| 4863461 |
Artificial ventricle |
Sep. 5, 1989 |
| 4851002 |
Couplable heart assistance modules |
Jul. 25, 1989 |
| 4846831 |
Manual back-up drive for artificial heart |
Jul. 11, 1989 |
| 4838889 |
Ventricular assist device and method of manufacture |
Jun. 13, 1989 |
| 4781715 |
Cardiac prosthesis having integral blood pressure sensor |
Nov. 1, 1988 |
| 4704120 |
Heterotopic artificial heart consisting of a one-piece cardiac prosthesis for biventricular assistance and implantable in the right hemithorax |
Nov. 3, 1987 |
| 4588404 |
Total cardiac prosthesis |
May. 13, 1986 |
| 4578077 |
Blood pump applicable to an artifical heart |
Mar. 25, 1986 |
| 4576606 |
Implantable blood pump |
Mar. 18, 1986 |
| 4536893 |
Implant device for substaining the activity of the myocardium |
Aug. 27, 1985 |
| 4389737 |
Hydraulically actuated cardiac prosthesis with three-way ventricular valving |
Jun. 28, 1983 |
| 4376312 |
Hydraulically actuated cardiac prosthesis |
Mar. 15, 1983 |
| 4222127 |
Blood pump and method of pumping blood |
Sep. 16, 1980 |
| 4177523 |
Artificial heart |
Dec. 11, 1979 |
| 4162543 |
Artificial heart |
Jul. 31, 1979 |
| 4152785 |
Artificial heart |
May. 8, 1979 |
| 4144595 |
Artificial heart chamber |
Mar. 20, 1979 |
| 4091471 |
Pump for an artificial heart |
May. 30, 1978 |
| 4080958 |
Apparatus for aiding and improving the blood flow in patients |
Mar. 28, 1978 |
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