Stapling apparatus and method for heart valve replacement
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United States of America Patent
Stats
-
Jan 13, 2004
Grant Date -
Oct 18, 2001
app pub date -
Mar 2, 2001
filing date -
Sep 15, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical stapler for securing a prosthetic heart valve within a patient is disclosed and generally includes a first cylindrical portion for carrying a staple assembly on a distal end thereof, a second cylindrical portion positioned concentrically about the first cylindrical portion and having a camming arm on a distal end thereof and a third cylindrical portion positioned concentrically about the second cylindrical portion and having an anvil flange on a distal end thereof, the camming arm configured to cam the staple assembly radially outward and drive the staple assembly distally such that a first leg of the staple assembly penetrates a cuff of the prosthetic heart valve and a second leg of the staple assembly pierces a portion of heart tissue surrounding the prosthetic heart valve to secure the valve. A method of installing a heart valve within a patient utilizing the surgical stapler is also disclosed.
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