TOOL FOR MEASURING STEM INSTALLATION ANGLE OF ARTIFICIAL HIP JOINT

摘要

PROBLEM TO BE SOLVED: To provide a measuring tool that can easily measure an angle of anteversion when a stem is installed during an operation of artificial hip joint replacement and that can be attached in accordance with the various stems.SOLUTION: A measuring tool for measuring an angle of anteversion of a stem embedded in a femur in artificial hip joint replacement includes an attachment that can be attached to an upper part of the stem, and a measurement member that is attached to the attachment. The attachment has an attachment hole for attaching the attachment to the upper part of the stem. An inner peripheral surface of the attachment hole assumes a taper shape.