| 摘要 |
<p>A separately formed clevis (30) of an endoscopic surgical instrument is provided. The clevis (30) fixedly engages a hollow aluminum tube (15) of the disposable laparoscopic surgical instrument and pivotally engages an end effector (40) of the disposable laparoscopic surgical instrument. The clevis (30) includes: a hollow first portion (34) having a knurled outer surface (34) having a diameter slightly smaller than the inner diameter of the aluminum tube (15), for fitting closely within the aluminum tube and for fixedly engaging the aluminum tube (15) when the aluminum tube (15) is crimped thereover; a second portion having a base section with a bore corresponding to the inner diameter of the hollow first portion, and a pair of parallel, spaced apart, opposed arm members (36) and extending away from the hollow first portion; and a pivot rod (45) which engages the opposed arms (36) in a substantially transverse manner.</p> |
