Prosthetic heart valve with suturing member having non-uniform radial width
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United States of America Patent
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Oct 20, 1998
Issued Date -
N/A
app pub date -
Oct 27, 1997
filing date -
Sep 13, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A prosthetic heart valve, either of the mechanical type, or the bioprosthetic type, comprises a circular frame element, a check valve element and a suturing member surrounding the circular frame element. The circular frame element defines a circular opening for the passage of blood therethrough. The check valve element is connected to, and extends across, the circular frame element and is configured to substantially permit the flow of blood through the circular opening in a first direction and to substantially impair the flow of blood through the circular opening in a second direction opposite the first direction. The suturing member surrounds the circular frame element and has a first radial width in a first circumferential region substantially greater than a second radial width in a second circumferential region to define an extended portion of the suturing member. The extended portion of the suturing member can be attached to a downwardly sagging portion of a patient's valve annulus with sutures, thereby ensuring proper orientation of the valve in the patient's heart.
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