Patent ID: 11925365
Assignee: DEPUY IRELAND UNLIMITED COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 9:
10. A patella drill guide and trial instrument, comprising:
a single monolithic metal body, comprising:
(i) a posterior trial bearing surface configured to articulate with a condylar surface of a prosthetic femoral component, the posterior trial bearing surface comprising a curved peak surface that defines the posterior-most surface of the patella drill guide and trial instrument,
(ii) an anterior surface having a plurality of spikes extending outwardly therefrom,
(iii) a plurality of drill guide holes extending through the patella drill guide and trial instrument from the posterior trial bearing surface to the anterior surface, and
(iv) an alignment bore extending through the patella drill guide and trial instrument from the posterior trial bearing surface to the anterior surface, wherein the alignment bore has a different diameter than the plurality of drill guide holes.