Patent ID: 9271717
Filing Date: 2016-03-01
CPC Classification: A61B

Claim Text:
1. A bone anchor delivery system device comprising: a retractable punch driver assembly, the punch driver assembly having a retractable punch shaft and a guide for receiving the retractable punch shaft, the guide being rotatable relative to the punch shaft and the shaft having an extended length with bone penetrating tip at a first end; a locking mechanism for locking the retractable punch shaft from linear movement and rotational movement relative to the guide at an opposite second end; a handle assembly, the handle assembly having a lower portion rotatable about the guide and an upper portion fixed to the guide and wherein the upper portion is rotatable independent of said lower portion, the upper portion has a slot to receive the locking mechanism to prevent linear movement of the retractable punch shaft; and wherein the punch shaft is a rod or wire and the locking mechanism is integrally formed as part of the rod or wire at the second end by a bending of the punch shaft to form a spring like lock snap end to fit into the slot of the upper portion locking the punch shaft in place and wherein the retractable punch shaft has an end section extending from the tip toward a shoulder stop for receiving a releasable punch, the releasable punch having a hollow opening for receiving the end section and bone penetration tip at the first end profiled to be complimentary to the tip and an opposite second end for abutting the shoulder stop of the punch shaft.