Key result
A miniaturized radio telemetry device with 14 pressure transducers was developed to monitor the magnitude and distribution of pressure on the surface of a human hip prosthesis.
The development of a miniaturized radio telemetry device allows for in vivo monitoring of cartilage surface pressures in human hip prostheses.
Enables in vivo hip prosthesis pressure mapping; leaves open clinical utility and requires prospective validation.
A miniaturized radio telemetry device has been developed which can monitor the magnitude and distribution of pressure generated between the cartilage-covered surface of the human hip socket and the surface of a hip prosthesis which replaces the spherical head of the femur in the hip. The pressure distribution is sensed by an array of 14 pressure transducers mounted inside the hollow ball of the prosthesis, and the signals from the transducers are transmitted to external receiving and recording equipment by a radio telemetry device also located inside the hollow ball.
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Carlson et al. (1974) studied Hip prosthesis. Radio telemetry device was evaluated. A miniaturized radio telemetry device with 14 pressure transducers was developed to monitor the magnitude and distribution of pressure on the surface of a human hip prosthesis.
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