| 摘要 |
An instrument for implanting patellar prostheses in various sizes includes a series of milling calipers of various sizes, a retaining instrument with a receptacle for one of the milling calipers matching the sizes of the patellar prostheses and milling bodies in various sizes. The retaining instrument is configured like forceps with two members, the front end of one of the members being provided with a retention plate for engagement with a front face of a patellar prosthesis, and the front end of the other one of the members being provided with a holder for a milling gauge.
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