发明名称 Intracorporal drive to produce a continuous traction or pressure and method of operating the same
摘要 An intracorporal drive, and method of operating the same, especially for an extension unit for extension osteotomy and for a compression unit for pressure osteosynthesis, wherein the driving power is generated by the osmotic pressure between two differently concentrated solutions separated from each other by a semipermeable diaphragm or membrane. The solution of low concentration also can be substituted by pure solvent.
申请公布号 US4157715(A) 申请公布日期 1979.06.12
申请号 US19780886074 申请日期 1978.03.13
申请人 WESTERHOFF, ERHARD 发明人 WESTERHOFF, ERHARD
分类号 A61B17/56;A61B17/00;A61B17/80;A61F5/058;(IPC1-7):A61F5/04;A61B17/18 主分类号 A61B17/56
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