United States Patent [19] [in Patent Number: 5,092,879
Jarvik [45] Date of Patent: Mar. 3,1992
[54] INTRAVENTRICULAR ARTIFICIAL HEARTS AND METHODS OF THEIR SURGICAL IMPLANTATION AND USE
[76] Inventor: Robert K. Jarvik, 124 W. 60th St., New York, N.Y. 10023
[21] Appl. No.: 489,773
[22] Filed: Mar. 5,1990
Related U.S. Application Data
[63] Continuation of Ser. No. 156,896, Feb. 17, 1988, abandoned.
[51] Int. CI.* A61M1/10
[52] U.S. CI 623/3; 600/16
[58] Field of Search 600/16-18;
623/3, 2; 417/423.12, 423.7, 423.1; 415/900
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Primary Examiner—Randall L. Green
Assistant Examiner—David H. Willse
Attorney, Agent, or Firm—Edgar H. Haug; John M.
Kilcoyne
[57] ABSTRACT
A method of treating heart failure is disclosed in which, without removing the damaged heart, implantation of prosthetic blood-pumping means within the natural heart sustains its function. The invention includes electrically-powered positive displacement pumps, musclepowered pumps, and electrically-powered rotary hydrodynamic pumps sufficiently miniaturized and adopted to function within the heart. The invention also includes surgical connectors and surgical methods that permit intraventricular artificial hearts to be effectively applied.
8 Claims, 15 Drawing Sheets
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