Patent ID: 11925362
Assignee: DEPUY IRELAND UNLIMITED COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An instrument for reaming bone, comprising:
an elongate body having a proximal end, a distal end, and an inner throughbore extending therebetween;
a drive shaft having a proximal end configured to couple to a power source and a distal end including a plurality of engagement pins, the drive shaft configured to extend through the inner throughbore of the elongate body such that the plurality of engagement pins on the distal end of the drive shaft extend distal of the distal end of the elongate body; and
a reamer head configured to be removably coupled to the distal end of the elongate body, the reamer head having a body with a distal-facing cutting surface configured to cut bone and at least one engagement aperture extending through at least a portion of the body, the at least one engagement aperture including a plurality of engagement posts associated therewith,
wherein the plurality of engagement pins of the drive shaft are configured to couple with the plurality of engagement posts of the reamer head such that rotation of the drive shaft causes rotation of the reamer head, and
wherein a central longitudinal axis of the drive shaft extends at an oblique angle relative to a central longitudinal axis of the engagement aperture when the plurality of engagement pins of the drive shaft are coupled with the plurality of engagement posts of the reamer head.