Abstract: A medical device system comprising a guide catheter and a leaflet fastening applicator, the guide catheter having suitable dimensions for deployment and insertion percutaneously into a human heart in a vicinity of a heart valve, the leaflet fastening applicator having a size allowing insertion through the guide catheter and being capable of holding portions of opposing heart valve leaflets, wherein the fastening applicator comprises a pair of grasping-electrodes adapted for holding and engaging the portions of opposing heart valve leaflets together and for applying energy to fasten the portions, in which heart valve leaflets can be captured and securely fastened, thereby improving coaptation of the leaflets and improving competence of the valve.
Type:
Grant
Filed:
November 15, 2001
Date of Patent:
June 10, 2003
Assignee:
Quantum Cor, Inc.
Inventors:
Wallace N. Hauck, Samuel Victor Lichtenstein, Hosheng Tu
Abstract: An improved wireless electrosurgery instrument comprising at least one surface electrical contact for contactably coupling the wireless instrument to a remote power source through a coupling mechanism, wherein the coupling mechanism comprises an insulated electrical conductor running through a surgeon's glove and/or a surgeon's gown.
Type:
Grant
Filed:
March 9, 2001
Date of Patent:
April 22, 2003
Assignee:
Quantum Cor, Inc.
Inventors:
Ji Zhang, Terence J. Gilhuly, Samuel V Lichtenstein
Abstract: A catheter system and methods for repairing a valvular annulus or an annular organ structure of a patient comprising sandwiching and compressing the annulus and applying heat sufficient to shrink or tighten tissue surrounding the annulus defect.
Type:
Grant
Filed:
March 19, 2002
Date of Patent:
November 26, 2002
Assignee:
Quantum Cor, Inc.
Inventors:
Paul Teirstein, John A. Osth, Thomas H. Witzel, Cary Hata, Wallace N Hauck, Hosheng Tu