Patent ID: 9504521
Filing Date: 2016-11-29
CPC Classification: A61B

Claim Text:
1. A surgical tool arrangement comprising a handpiece including a housing defining a hollow interior, a proximal end and a distal end spaced therefrom, a motor disposed in said interior and including an output member, a coupling member disposed on said distal end of said housing and including thereon an electrical contact member connected to an electrical power source by an electrical conductor extending through said interior in a proximal direction away from said coupling member, said arrangement further including a surgical instrument for detachable connection to said handpiece, said surgical instrument including a hub configured for interlocking engagement with said coupling member to attach said surgical instrument to said handpiece, a drive element operatively connected to and driven by said output member of said motor, and an electrode arrangement for electrically treating patient tissue, said hub of said surgical instrument mounting thereon an electrical contact member electrically connected to said electrode arrangement, said drive element being supported on said surgical instrument for movement relative to said contact member of said hub when said drive element is driven by said output member, said contact member of said coupling member and said contact member of said surgical instrument being disposed to make electrically-conducting contact with one another when said surgical instrument is attached to said handpiece to provide electrical power to said electrode arrangement.