Orthopaedic surgical instrument system for implanting a prosthetic patella component and method of use

A method of performing an orthopaedic surgical procedure on a patella of a patient, comprising:

• resecting the patella of the patient to produce a generally planar resected patellar surface,
• positioning a patella drill guide and trial instrument on the resected patellar surface, the patella drill guide and trial instrument having (i) a posterior trial bearing surface configured to articulate with a condylar surface of a prosthetic femoral component and (ii) a number of drill guide holes formed in the posterior trial bearing surface and extending through the patella drill guide and trial instrument,
• trialing the patellofemoral joint with the patella drill guide and trial instrument positioned on the resected patellar surface,
• advancing a drill through the number of drill guide holes formed in the posterior trial bearing surface of the patella drill guide and trial instrument and into the resected patellar surface so as to drill a number of anchor holes in the patella of the patient subsequent to trialing the patellofemoral joint,
• selecting a patella component from a group consisting of a dome patella component and an anatomic patella component,
• selecting a compressible base shaped to correspond to the selected patella component from a group consisting of dome compressible base having an anterior surface shaped to conform to a posterior surface of the dome patella component and an anatomic compressible base having an anterior surface shaped to conform to a posterior surface of the anatomic patella component,
• securing the selected compressible base to a compression socket,
• securing the compression socket to a removable clamp,
• positioning the selected compression socket into contact with the selected patella component, and
• operating the removable clamp to clamp the patella component to the patella of the patient.