05888212 is referenced by 147 patents and cites 14 patents.

A computer controlled hydraulic resistance device for apparatus such as a prosthetic knee for above knee amputees, includes a solenoid actuated valve connected to control the flow of hydraulic fluid to and from a hydraulic actuator which applies resistance to the prosthetic knee or other apparatus through a coupling. Hydraulic pressure is sensed on the high and low side of the actuator and is used by a micro-controller in a closed-loop manner to compensate automatically for variations in the device and in the hydraulic fluid viscosity. The device also senses the position of the apparatus and feedsback to the micro-controller for applying a predetermined resistance profile to the apparatus.

Title
Computer controlled hydraulic resistance device for a prosthesis and other apparatus
Application Number
8/883614
Publication Number
5888212
Application Date
June 26, 1997
Publication Date
March 30, 1999
Inventor
Christian H Reinke
Wilmington
OH, US
Steven H Petrofsky
Dayton
OH, US
Agent
Jacox Meckstroth & Jenkins
Assignee
Mauch
OH, US
IPC
A61F 2/70
A61F 2/64
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