Shoulder arthroplasty instrumentation

Abstract

Patient specific shoulder component implant instruments are described for hemi and total, normal and reverse shoulder arthroplasty.

What is claimed is: 
     
         1 . A patient specific instrument for facilitating the implant of a humeral component comprising:
 an instrument body having a cap like shape with an inner surface and an outer surface;   said inner surface matching the humeral joint articular surface of said patient;   a hook surface feature located proximate said inner surface matching the humeral joint non-articular joint surface;   said instrument body having one or more holes passing from said inner surface to said outer surface;   a cutting block formed integrally with said instrument body;   said cutting block having one or more pin guides for directing pins into the humeral head;   said cutting block having a saw slot located above said pin guides for directing a surgical saw.