Inventor
HAHNEN KEVIN F
US29 patents
⚠️ This page may combine multiple inventors who share the name “HAHNEN KEVIN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SYMBIOSIS CORP
15 patentsUS5389104AFeb 14, 1995
Arthroscopic surgical instruments
SYMBIOSIS CORP1,948 citations98
US5957923ASep 28, 1999
Loop electrodes for electrocautery probes for use with a resectoscope
SYMBIOSIS CORP261 citations96
US5634924AJun 3, 1997
Bipolar roller electrodes and electrocautery probes for use with a resectoscope
SYMBIOSIS CORP93 citations96
US5586990ADec 24, 1996
Endosurgical instrument with a radially movable end effector
SYMBIOSIS CORP69 citations96
US5569244AOct 29, 1996
Loop electrodes for electrocautery probes for use with a resectoscope
SYMBIOSIS CORP100 citations96
US5569299AOct 29, 1996
Endoscopic urological biopsy forceps
SYMBIOSIS CORP112 citations96
US5549605AAug 27, 1996
Roller electrodes for electrocautery probes for use with a resectoscope
SYMBIOSIS CORP79 citations96
US5478350ADec 26, 1995
Rack and pinion actuator handle for endoscopic instruments
SYMBIOSIS CORP63 citations96
US5683359ANov 4, 1997
Arthroscopic surgical instruments having suction capability
SYMBIOSIS CORP61 citations95
US5980519ANov 9, 1999
Electrocautery probe with variable morphology electrode
SYMBIOSIS CORP62 citations94
US5490861AFeb 13, 1996
Track guided end effector assembly for use with endoscopic instruments
SYMBIOSIS CORP40 citations93
US5902300AMay 11, 1999
Electrodes having upper and lower operating surfaces for electrocautery probes for use with a resectoscope
SYMBIOSIS CORP29 citations92
US5632764AMay 27, 1997
Snap fit collar for coupling the end of a flexible coil to the actuator or clevis of an endoscopic surgical instrument and an endoscopic surgical instrument incorporating the same
SYMBIOSIS CORP49 citations90
US5908419AJun 1, 1999
Resectoscope roller electrode having high heat zone insert
SYMBIOSIS CORP14 citations73
US5779700AJul 14, 1998
Roller electrodes for electrocautery probes for use with a resectroscope
SYMBIOSIS CORP8 citations66
CHRISTIE BRUCE A
3 patentsUS9138142B2Sep 22, 2015
Masked intraocular devices
CHRISTIE BRUCE A35 citations97
US8858624B2Oct 14, 2014
Method for increasing the depth of focus of a patient
CHRISTIE BRUCE A33 citations97
US8460374B2Jun 11, 2013
Mask configured to maintain nutrient transport without producing visible diffraction patterns
CHRISTIE BRUCE A38 citations97