Patent ID: 11918473
Assignee: HOWMEDICA OSTEONICS CORP.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A surgical shoulder repair method comprising:
a) providing a patient specific impacting device having an underside surface congruent with a glenoid cavity of a scapula of the patient, said underside surface being provided with protrusions adapted to perforate cortical bone of the scapula upon impact of the impacting device by a one-sided translation movement;
b) impacting the glenoid cavity with the impacting device to create channels through the cortical bone of the scapula; and
c) providing a patient specific shoulder implant having an underside portion made of a porous material adapted to facilitate bone growth induced by the channels created through the cortical bone, wherein
the protrusions are arranged and shaped so that thinner and longer protrusions are used where the cortical bone is thicker.