Patent ID: 11903626
Assignee: THE GENERAL HOSPITAL CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A system of installing a fastener into a solid patient tissue at a target side, the fastener including an elongate fastener body defining a longitudinal axis substantially central thereto, the fastener body having a continuous outer fastener shell laterally surrounding the longitudinal axis, the fastener shell longitudinally separating a fastener head end and a fastener tip end, a tool-engaging feature on the fastener head end, and a plurality of teeth located on the fastener shell and extending substantially laterally outward from the longitudinal axis, the system including:
a circular drill for producing a substantially cylindrical pilot hole extending longitudinally into the solid patient tissue at the target site; and
a shaping tool including an elongate guiding rod and an elongate guided chisel for selective mating engagement with the guiding rod, the guiding rod being configured for insertion into the pilot hole, and the guided chisel being configured for lateral penetration into an interior wall of the pilot hole under longitudinal motion guided by the guiding rod;
wherein the lateral penetration of the guided chisel into the interior wall of the pilot hole excavates a receiving structure laterally adjacent to the pilot hole, the receiving structure and pilot hole comprising a rotationally asymmetrical receiving aperture configured to receive at least a portion of the fastener body thereinto.