INSTRUMENT TIP ASSEMBLY HAVING SELF-THREADING BACK HUB

摘要

A actuating instrument including an instrument tip assembly having a yoke attachment thread. The actuating instrument also includes an actuator having an actuating shaft. The actuating shaft is provided with a first thread within the actuating shaft and a second thread provided on the actuating shaft. Further, the first thread is connected to the yoke attachment thread. Additionally, a back hub is provided at a proximal end of the instrument tip assembly and includes a rib or ribs provided on one of an inner surface and an outer surface of the back hub. The rib or ribs projecting from the one of the inner surface and the outer surface of the back hub and engages the second thread of the shaft to from an attachment thread.

主权项

1. An actuating instrument, comprising:
an instrument tip assembly having a yoke attachment thread; an actuator having an actuating shaft, the actuating shaft having a first thread provided within the actuating shaft and a second thread provided on the actuating shaft, wherein the first thread is connected to the yoke attachment thread; and a back hub provided at a proximal end of the instrument tip assembly, the back hub having a rib provided on one of an inner surface and an outer surface of the back hub, wherein the rib projects from the one of the inner surface and the outer surface of the back hub, and wherein the rib engages the second thread of the shaft to form an attachment thread.