Patent ID: 9610038
Date: 2017-04-04
CPC Classifications: A61B

Claim:
1. An apparatus for evaluating the performance of the knee of a patient's leg in multiple degrees of freedom, said patient having a femur, a knee, a tibia, an ankle and a foot, said apparatus comprising: A) a frame; B) a device for securing said femur of said patient relative to said frame; C) a foot accepting element configured to detachably receive and secure at least a portion of the foot such that force can be transferred from said foot accepting element through said foot to said tibia; D) a multi-axis pivoting assembly attached intermediate said foot accepting element and said frame, said multi-axis pivoting assembly configured to facilitate multi-axis pivoting of said foot accepting element relative to said frame and said multi-axis pivoting assembly itself comprising: E) a first angle measuring device configured to measure angular displacement of said first pivot subassembly in response to said first torque; and F) a second angle measuring device configured to measure angular displacement of said second pivot subassembly in response to said second torque.