PMID: 9438079Jan 1, 1997Paper

A simple method of intraoperative limb length measurement in total hip arthroplasty

Bulletin
M ItokazuY Wenyi

Abstract

The equalization of leg-length discrepancy during total hip arthroplasty can be achieved through the use of a simple measuring device, the Calipers Dual Pin Retractor. During total hip arthroplasty a stable reference point must be established to determine leg-length changes. The Calipers Dual Pin Retractor was developed to establish a fixed point on the pelvis, which would remain constant throughout the procedure, from which the distance to the trochanteric area could be measured prior to the dislocation of the hip. This measurement is then used to aid in the proper placement of the femoral components.

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