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Patent US4621617A successfully refreshed from Google Patents.
US4621617A
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US
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Electro-magnetically controlled artificial heart device for compressing cardiac muscle
Assignee: Individual
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Filing: 1982-06-01
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Granted: 1986-11-11
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Expires: 2002-06-01
Abstract
Abstract An artificial heart or heart strengthening device to simulate the natural heart pulsation of mammals by electromagnetic means which may operate alone or in conjunction with the natural heart.
Inventors
- 👤 Devendra N. Sharma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
A; A61; A61M; A61M60/00; A61M60/20; A61M60/289; A61M60/10; A61M60/122; A61M60/165; A61M60/191; A61M60/40; A61M60/465; A61M60/489; A61M60/495; A61M60/50; A61M60/508; A61M60/80; A61M60/839; A61M60/855; A61M60/871; A61M60/876; A61M2205/00; A61M2205/82; A61M2205/8237; A61M2205/8243; Y; Y10; Y10S; Y10S128/00; Y10S128/03
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
105 words
An artificial heart device comprising compressor means adapted to be associated with a mammalian heart for compressing the cardiac muscle to stimulate the normal pumping action thereof, and control means for electromagnetically controlling the operation of said compressor means, said compressor means comprising a pair of first and second compressor components adapted to be disposed on the surface of the heart in spaced relationship for electromagnetic interaction to compress said cardiac muscle on actuation of said control means, wherein the first compressor component includes a set of pole elements disposed for electromagnetic interaction with a set of corresponding pole elements on the second compressor component.
Claim 2
Dependent Claim
105 words
An artificial heart device comprising compressor means adapted to be associated with a mammalian heart for compressing the cardiac muscle to stimulate the normal pumping action thereof, and control means for electromagnetically controlling the operation of said compressor means, said compressor means comprising a pair of first and second compressor components adapted to be disposed on the surface of the heart in spaced relationship for electromagnetic interaction to compress said cardiac muscle on actuation of said control means, wherein the first compressor component includes a set of pole elements disposed for electromagnetic interaction with a set of corresponding pole elements on the second compressor component.
Claim 3
Dependent Claim
20 words
The invention of claim 1, wherein at least said compressor means are adapted to be juxtaposed with said heart muscle.
Claim 4
Dependent Claim
29 words
The invention of claim 1, wherein said control means functions to synchronize the action of said compressor means with the atrial and ventricular rhythmic contractions of the normal heart.
Claim 5
Dependent Claim
25 words
The invention of claim 1, wherein each of said components comprises a metal sheet conforming to a portion of the surface of said heart muscle.
Claim 6
Dependent Claim
38 words
The invention of claim 1, wherein the electromagnetic actuation of said pole elements is regulated by vibratory means for producing rhythmatic electromagnetic interaction of said pole elements to compress said cardiac muscle synchronistically with its normal pumping action.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-10 | 1990-05-12 | 1990-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-10 | 1994-05-12 | 1994-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-10 | 1998-05-12 | 1998-11-11 | $7700.00 | Window Closed / Lapsed |