Stitching devices for heart valve replacement surgery
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United States of America Patent
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-
Jun 1, 1999
Grant Date -
N/A
app pub date -
Sep 19, 1997
filing date -
May 27, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There are provided surgical suturing apparatus or stitching devices particularly suited for use in suturing artificial heart valves to heart tissue during heart valve replacement surgery. The disclosed apparatus include a stationary jaw oriented at a predetermined angle relative to the apparatus to facilitate suturing through the artificial valve in a direction generally parallel to the axis of the valve. One embodiment of the stitching device utilizes a pair of surgical needles or incision members joined by a single length of suture material. There are also disclosed disposable loading units for providing suture - needle assemblies to the suturing apparatus. Also disclosed are methods of suturing an artificial heart valve to heart tissue using the disclosed apparatus.
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