ORTHOPEDIC COMPRESSION/DISTRACTION DEVICE

摘要

An orthopedic device for compressing or distracting bone parts includes an elongated body with two arms extending transversely away from the body. One arm is a stationary arm affixed to one end of the body and a second arm is a longitudinally movable. The two arms extend from the elongated body in the same direction and parallel to each other. The orthopedic device also includes a locking sleeve hingeably connected to the outer end of each of the first and second arms by a hinge joint, where each locking sleeve is configured for lockably receiving an elongated pin using a collet and a captured collet nut.

主权项

1. A device, comprising:
a locking sleeve, including
an elongate shaft defining a pin receiving bore therethrough, the elongate shaft defining a plurality of slots extending longitudinally from a first end of the elongate shaft to a first location along a length of the elongate shaft to provide a plurality of collet arms, each of the plurality of collet arms including
at least one first thread integrally formed on an exterior surface of the plurality of collet arms and adjacent to the first end of the elongate shaft,at least one second thread integrally formed on an exterior surface of the collet arms and adjacent to the at least one first thread, anda thread-free zone disposed between the at least one first thread and the at least one second thread.