12 July 1983 Single Image X-Ray Photogrammetry System Used To Detect Total Joint Loosening
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Abstract
Loosening is the number one complication of total joint replacements. A direct method of measuring small motions between the prosthetic implant and the surrounding bone would allow the surgeon to evaluate replacement surgery or activity restrictions. Single plane x-ray photogrammetry uses stainless steel markers in the bone and prosthetic implant and a control frame in order to accomplish this measurement. Testing of models representing a total hip replacement and total knee replacement has shown that displacements can be measured with a root mean square error of less than 0.2 mm.
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F. G. Lippert, F. G. Lippert, S. A. Veress, S. A. Veress, R. M. Harrington, R. M. Harrington, T. EI-Garf, T. EI-Garf, } "Single Image X-Ray Photogrammetry System Used To Detect Total Joint Loosening", Proc. SPIE 0361, Biostereometrics '82, (12 July 1983); doi: 10.1117/12.966020; https://doi.org/10.1117/12.966020
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