Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis
Patent
1991-05-13
1995-03-14
Isabella, David
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
623 2, 623 3, 623 1, 623900, A61F 202, A61F 224
Patent
active
053973518
ABSTRACT:
A prosthetic valve comprises a poppet, a seat and a restraining element. The poppet, seat and restraining element include an insertion form for percutaneously inserting into a fluid passageway within a living body and an operational form for operating within the fluid passageway. The valve is self-expanding so that upon insertion the valve automatically assumes the operational form. In the operational form the poppet is movably restrained between the valve seat and restraining element. The poppet seals against the valve seat to prevent fluid flow through the valve and unseats from the valve seat to permit fluid flow through the valve.
REFERENCES:
patent: 3130419 (1964-04-01), Edwards
patent: 3143742 (1964-08-01), Cromie
patent: 3571815 (1971-03-01), Somyk
patent: 3574865 (1971-04-01), Hamaker
patent: 3626518 (1971-12-01), Leibinsohn
patent: 3911502 (1975-10-01), Boretos
patent: 4580568 (1986-04-01), Gianturco
patent: 4648383 (1987-03-01), Angelchik
Gregorio Rabago, A Worldwide Overview of Valve Usage, Chapter 1 of Heart Valve Replacement: Current Status and Future Trends, Futura Publishing Company, Inc., Mount Kisko, N.Y. (G. Rabago, D. Cooley ed. 1987) (citing Hufnagel C. A. Harvey W. P. Rabil P. J. McDermott R. F.: Surgical Correction of Aortic Insufficiency, Surgery, 35:673, 1954).
Cary W. Akins, Mortimer J. Buckley, Wm. M. Daggett, W. Gerald Austen, Alan D. Hilgenberg, and Marshall L. Jacobs, Ten-Year Follow-Up of the Starr-Edwards Prosthesis, Chapter 10 of Heart Valve Replacement: Current Status and Future Trends, Futura Publishing Company, Inc., Mount Kisko, N.Y. (G. Rabago, D. Cooley ed. 1987).
David J. Mehlman, Radiographic and Cineradiographic Evaluation of Heart Valve Prostheses, Chapter 11 of Heart Valve Replacement: Current Status and Future Trends, Futura Publishing Company, Inc., Mount Kisko, N.Y. (G. Rabago, D. Cooley ed. 1987).
Pavcnik Dusan
Wallace Sidney
Wright Kenneth C.
Brittingham Debra S.
Isabella David
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