1
Lars R Chrisman, Scott H Heneveld, Stephen F Peters: Surgical instrument with improvement safety lockout mechanisms. Richard Allan Medical, Howard & Howard, June 9, 1998: US05762255 (767 worldwide citation)

This invention provides surgical instruments having improved lockout mechanisms. The surgical instruments are of the type which have an operating mechanism for repeatedly performing a surgical procedure and a control mechanism for manipulating the instrument between a neutral position and a ready po ...


2
David Dunlap, Aaron Taszreak, Lars R Chrisman, Michael G Leydet, Christopher L Johnson: Prosthetic foot with adjustable heel height. College Park, Gifford Krass Sprinkle Anderson & Citkowski P C, January 4, 2011: US07862622 (15 worldwide citation)

A prosthetic foot having an adjustable height heel includes a frame portion with an ankle link pivotally supported on the frame portion at a first pivot axis. A detent rod is pivotally connected to the ankle at a second pivot axis, and a detent member is pivotally affixed to the frame portion at a t ...


3
David Dunlap, Aaron Taszreak, Lars R Chrisman, Michael G Leydet, Christopher L Johnson: Prosthetic foot with adjustable heel height. College Park, Gifford Krass Sprinkle Anderson & Citkowski PC, December 27, 2007: US20070299544-A1

A prosthetic foot having an adjustable height heel includes a frame portion with an ankle link pivotally supported on the frame portion at a first pivot axis. A detent rod is pivotally connected to the ankle at a second pivot axis, and a detent member is pivotally affixed to the frame portion at a t ...