Inventor
DANIEL S CHRISTOPHER
US5 patents
Patents
5 patentsUS6564805B2May 20, 2003
Less-invasive devices and methods for treatment of cardiac valves
HEARTPORT INC361 citations99
US5972030AOct 26, 1999
Less-invasive devices and methods for treatment of cardiac valves
HEARTPORT INC628 citations99
US5618307AApr 8, 1997
Clamp assembly and method of use
HEARTPORT INC2,214 citations99
US5980455ANov 9, 1999
Method for manipulating a tissue structure within a thoracic cavity
HEARTPORT INC250 citations98
US6558318B1May 6, 2003
Endoscopic retraction method
HEARTPORT INC81 citations97