Surgery – Instruments – Electrical application
Reexamination Certificate
2007-05-25
2011-12-06
Cohen, Lee (Department: 3739)
Surgery
Instruments
Electrical application
C606S051000, C606S052000
Reexamination Certificate
active
08070746
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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Denham Amy
Moses Michael C.
Orton E. Christopher
Townsend Jeffrey
Cohen Lee
TYCO Healthcare Group LP
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