| 摘要 |
The present invention relates to a device for the replacement of a permanent articular prosthesis at an implant site, comprising a stem (1) suited to being fixed to a support bone, connected to a head (2) suited to being arranged in an articular area, comprising at least two different cavities (3) with leak tight walls formed at the head (2) made of a thermoplastic material, said cavities (3) emerging at the surface of the device in contact with the implant site, and means for separating (4) cavities (3) from the implant site, enabling the diffusion of a liquid on either side of said separating means.
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