Patent ID: 9526509
Filing Date: 2016-12-27
CPC Classification: A61B,B23B

Claim Text:
1. A surgical instrument assembly comprising: a tool; a handpiece including both a coupling member configured to cooperate with the tool, and a driver for rotating the tool; and a locking member movable from an unlocked position to a locked position in response to centrifugal force generated during rotation of the locking member, the locking member configured to secure the tool to the handpiece when in the locked position; wherein the locking member defines a slot extending along a longitudinal axis of the locking member and radially through the locking member and configured to resiliently receive and couple the tool to the locking member through the slot; wherein a distal end of a flexible expansion tab of the locking member is configured to engage a distal internal flange of the coupling member in the locked position.