| 摘要 |
<p>In one aspect, the invention provides a surgical instrument for assisting in the removal of an acetabular cup implanted in a patient. The instrument comprises a body including a head portion arranged to locate at least partially within an acetabular cup. The instrument also includes at least one cutting device arranged to cut around the acetabular cup, wherein the cutting device is arranged to substantially cut around the outer periphery of the acetabular cup without requiring the body to move through a corresponding path.</p> |
