| 摘要 |
<p>An instrument for locating a cutting plane on a bone in an orthopaedic surgical procedure comprises a reference portion defining a reference plane and a body portion. The instrument has at least three projections for contacting the bone in a tripod arrangement. At least one of the projections is provided on the reference portion, and the or each other projection is provided on the body portion. The projections on the reference portion are capable of linear movement relative to the projections on the body portion, in a plane which is parallel to the reference plane.</p> |
