Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1988-12-22
1990-04-17
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
A61F 224
Patent
active
049176986
ABSTRACT:
A ring prosthesis which provides different flexibilities at various points about the circumference of an associated heart valve. Specifically, the annuloplasty ring prosthesis of the invention includes a segmented body formed by two or more segments. The individual segments form a body which is substantially circular and shaped proportional to fit about the annulus of the associated heart valve. The individual segments are held in position with respect to each by a flexible joint. This flexible joint is formed by covering the segments with a flexible material which fits snugly about the segments. The cover is tied off between the adjacent segments to further restrain movement of the segments with respect to each other.
REFERENCES:
patent: 179263 (1922-04-01), Amberg
patent: 2433555 (1947-12-01), Hulse
patent: 3656185 (1972-04-01), Carpentier
patent: 4042979 (1977-08-01), Angell
patent: 4164046 (1979-08-01), Cooley
patent: 4261342 (1981-04-01), Aranguren Duo
patent: 4290151 (1981-09-01), Massana
patent: 4489446 (1984-12-01), Reed
Carpentier Alain
Lam Hung L.
Nguyen Than
Apley Richard J.
Baxter International Inc.
Iantorno Stephanie L.
Schiffer Michael C.
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