| 摘要 |
A device for removing a bone cement tube surrounding a prosthesis shaft from the bone cavity after removal of the endoprosthesis which comprises an ultrasonic generator with an essentially cylindrical guide section, the free end of which carries the sonotrode which emits the ultrasound, whereby the diameter of the guide section is less than the internal diameter of the bone cement tube and its length is adapted to the length of the prosthesis shaft or to the length of the bone cement tube.
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