Knee distraction device
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United States of America Patent
Stats
-
Feb 26, 1985
Grant Date -
N/A
app pub date -
Mar 4, 1983
filing date -
Mar 4, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A knee distraction device is provided for facilitating knee arthroplasty. An adjustable force calibration mechanism is disposed in the device to accommodate controlled selection of the ligament-tensioning force to be applied at respective opposite sides of the knee. In preferred embodiments, the tensioning force is provided by a screw-threaded connection with a calibrated compression spring interposed between the tensioning members. According to another preferred embodiment, fluid pressure is applied by means of a calibrated pressure valve to apply the ligament-tensioning force.
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