Self-locking internal adapter with free guide mechanism

摘要

An internal adapter for use in handles for interchangeable orthopedic tools contains a collar assembly, house assembly, retaining ring, spring and driver assembly. A plurality of securing ball mechanisms releasably secure an orthopedic tool in the adapter, while a configuration of chamfered surfaces centrally stabilize the tool. A plurality of guiding chamfers located in a shaft driver assembly rotationally secures the orthopedic tool.

主权项

1. An orthopedic tool apparatus comprised of:
at least one housing forming a handle and having an internal cavity; and at least one internal adapter comprised of
a slidable collar assembly with an internal tool receiving channel, said collar assembly having a plurality of equidistant securing ball apertures and a retaining ring groove,a house assembly with an interior collar channel having a tapered surface creating a smaller interior collar channel diameter at the front of said interior collar channel and a larger interior collar channel diameter at the rear end of said interior collar channel and a stop-ridge, wherein said slidable collar assembly is slidable within said interior collar channel and said plurality of securing ball apertures are aligned with said tapered surface,a plurality of securing balls wherein each one of said plurality of securing balls engages one of said plurality of securing ball apertures to decrease the diameter of said internal tool receiving channel,a retaining ring contained in said retaining ring groove,a spring adapted to provide outward force on said slidable collar assembly so that said plurality of securing balls are aligned with said smaller interior collar channel diameter and said retaining ring engages stop-ridge to prevent outward movement of said slidable collar assembly,a shaft driver assembly having a plurality of guiding chamfers, wherein inward force applied to said slidable collar assembly aligns said plurality of securing balls with said larger interior collar channel diameter to increase the diameter of said tool receiving channel.