Radiofrequency fusion of cardiac tissue
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United States of America Patent
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Dec 6, 2011
Grant Date -
Apr 3, 2008
app pub date -
May 25, 2007
filing date -
Oct 3, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A method for cardiac surgical intervention relies on sealing or fusing heart valve leaflets without requiring implanted materials such as sutures or staples. The method provides a forceps having at least one shaft and an end effector assembly attached thereto. The end effector assembly includes a pair of opposing jaw members configured to move from an open, spread position to a closed, grasping position; creating at least one opening in the patient for inserting the forceps therein; inserting through the opening and manipulating jaw members of the forceps to grasp a portion of a first heart valve leaflet and a portion of a second heart valve leaflet therebetween; activating the forceps to close the jaw members about the leaflet portions under a working pressure, applying radiofrequency energy to the jaw members to seal the portion of the first heart valve leaflet to the portion of the second heart valve leaflet.
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