Inventor
GRESL CHARLES JR
US15 patents
⚠️ This page may combine multiple inventors who share the name “GRESL CHARLES JR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORIGIN MEDSYSTEMS INC
14 patentsUS5925058AJul 20, 1999
Method and inflatable chamber apparatus for separating layers of tissue
ORIGIN MEDSYSTEMS INC133 citations99
US5865728AFeb 2, 1999
Method of using an endoscopic inflatable lifting apparatus to create an anatomic working space
ORIGIN MEDSYSTEMS INC411 citations99
US5779728AJul 14, 1998
Method and inflatable chamber apparatus for separating layers of tissue
ORIGIN MEDSYSTEMS INC195 citations99
US5728119AMar 17, 1998
Method and inflatable chamber apparatus for separating layers of tissue
ORIGIN MEDSYSTEMS INC178 citations99
US5531856AJul 2, 1996
Endoscopic inflatable retraction devices
ORIGIN MEDSYSTEMS INC1,243 citations99
US5527264AJun 18, 1996
Methods of using endoscopic inflatable retraction devices
ORIGIN MEDSYSTEMS INC1,145 citations99
US5402772AApr 4, 1995
Endoscopic expandable retraction device
ORIGIN MEDSYSTEMS INC211 citations99
US5309896AMay 10, 1994
Retraction methods using endoscopic inflatable retraction devices
ORIGIN MEDSYSTEMS INC597 citations99
US5514075AMay 7, 1996
Properitoneal mechanical retraction apparatus and methods of using
ORIGIN MEDSYSTEMS INC140 citations98
US5465711ANov 14, 1995
Surgical procedures using endoscopic inflatable retraction devices
ORIGIN MEDSYSTEMS INC101 citations97
US5823945AOct 20, 1998
Endoscopic inflatable retraction device with additional inflatable chamber
ORIGIN MEDSYSTEMS INC47 citations96
US5743850AApr 28, 1998
Endoscopic inflatable retraction device with additional inflatable chamber
ORIGIN MEDSYSTEMS INC52 citations96
US5562603AOct 8, 1996
Endoscopic inflatable retraction device with fluid-tight elastomeric window
ORIGIN MEDSYSTEMS INC83 citations96
US5454367AOct 3, 1995
Method of using endoscopic inflatable retraction device with fluid tight elastomeric window
ORIGIN MEDSYSTEMS INC42 citations96