자체 개발한 전치환술 검사보조기구의 임상적 유용성에 관한 고찰

A Study on Usefulness of a New Support Instrument for Total Hip Replacement Arthroplasty

Total hip replacement arthroplasty (THRA) is an useful treatment method in the patients with avascular necrosi(AVN) or degenerative arthritis(DA) to relieve pain and recovery of function. The purpose of this study is to evaluate the usefulness of a new support instrument for Total Hip Replacement Arthroplasty. THRA examination is very important before a surgical operation of hip join. but this is needed three operator. So we improved and made a new instrument for THRA. From January to march in 2004, 119 cases were examined by conventional manual method, and from January to march in 2004, 96 cases were examined by a new made instrument for THRA. The patient s correct position is to be showed the coccyx and pubic symphysis within 5mm on vertical line, and lesser trochanter of less than 5mm size. As a results, the correct position in conventional manual method was in 40%, and in the method using a new Instrument 76%. In conclusion, the method using a new Instrument for THRA examination showed a great improvement. Therefore, It will be a new kind of THRA examination.