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JBJS, December 1, 2001, Volume 83, Issue 12
Knee
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e-Knee: Evolution of the Electronic Knee Prosthesis
Beverly A. Morris, MBA, RN Darryl D. D'Lima, MD John Slamin Neb Kovacevic Steven W. Arms Christopher P. Townsend Clifford W. Colwell, Jr., MDKnee
Our purpose was to develop a fully instrumented tibial component of a total knee prosthesis (Fig. 1) containing multichannel transducers (load cells), a microtransmitter, and an antenna. Three complex technologies were incorporated into a prosthesis capable of measuring in vivo tibiofemoral compressive forces to transmit “real-time” data. The geometry was modified to accommodate the transducer and electronic technologies (Fig. 2).
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