Bi-ventricular cardiac assist device

Details Bi-ventricular cardiac assist device Bi-ventricular cardiac assist device

1997-01-15

1998-04-14

Getzow, Scott M.

Surgery

Cardiac augmentation

A61M 110

Patent

active

057386277

ABSTRACT:
A bi-ventricular cardiac assist device maintains blood circulation in a patient having a minimally functioning or malfunctioning heart. The biventricular cardiac assist device includes a self-supporting cup-shaped outer shell having opposed upper and lower ends, and an inner surface which establishes an interior cavity for receiving a heart therein. The outer shell defines a pair of diametrically opposed slots oriented generally longitudinally between the upper and lower ends of the outer shell. An annular diaphragm conformably shaped to the outer shell is positioned adjacent to the outer shell's inner surface. The diaphragm most preferably includes upper and lower edges bonded to the outer shell at the upper and lower ends thereof, and a pair of diametrically opposed, generally longitudinally oriented unitary connection flange. Each connection flange is preferably generally T-shaped in cross-section and coupled to a respective one of the slots. The connection flanges are thus bonded to the outer shell so that the diaphragm defines a pair of semi-annular fluid chambers with the inner surface of said outer shell. Most preferably, all structural components, e.g., the outer shell and the diaphragm, are formed of substantially the same urea-linked polyureathane copolymer, but have different Shore A hardness values.

REFERENCES:
patent: 2826193 (1958-03-01), Vineberg
patent: 3034501 (1962-05-01), Hewson
patent: 3053249 (1962-09-01), Smith
patent: 3233607 (1966-02-01), Bolie
patent: 3279464 (1966-10-01), Kline
patent: 3371662 (1968-03-01), Heid et al.
patent: 3376863 (1968-04-01), Kolobow et al.
patent: 3455298 (1969-07-01), Anstadt
patent: 3478737 (1969-11-01), Rassman
patent: 3587567 (1971-06-01), Schiff
patent: 3590815 (1971-07-01), Schiff
patent: 3613672 (1971-10-01), Schiff
patent: 4048990 (1977-09-01), Goetz
patent: 4192293 (1980-03-01), Asrican
patent: 4506658 (1985-03-01), Casile
patent: 4536893 (1985-08-01), Parravicini
patent: 4621617 (1986-11-01), Sharma
patent: 4690134 (1987-09-01), Snyders
patent: 4731076 (1988-03-01), Noon et al.
patent: 4809684 (1989-03-01), Gardner et al.
patent: 4922893 (1990-05-01), Wright et al.
patent: 5119804 (1992-06-01), Anstadt
patent: 5169381 (1992-12-01), Snyders
patent: 5273518 (1993-12-01), Lee et al.
patent: 5429584 (1995-07-01), Chiu
Wolcott and Wherry, Surgery, Nov., 1960, pp. 903-906, 601/153.

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