| 摘要 |
A method for preparing a patella (P) for receiving a patellar implant (124) and for implanting a prosthesis therein. An elongated passageway is drilled completely through formed in the patella (P) which is then reamed to form a cavity of a size and configuration to receive the patellar prosthesis (124) using a cannulated reamer telescoped over a guide rod positioned in the elongated passageway. Centering means may be provided for supporting the guide rod. During implantation of the prosthesis, excess marrow fat, blood and debris (177) may escape through the passageway outlet (176). The second opening (176) acts as a vent to allow optimal cement (175) pressurization and fixation (osseointegrating) and sound patellar prosthesis (124) fixation to the reamed cavity. |
