A connector for osteosynthesis, especially for fastening bone fragments comprises a plug sleeve and a screw engageable in the plug sleeve, the plug sleeve being formed of a viscoplastic, tissue-compatible plastics and having a thread shape on its outer surface. The plug sleeve can be slightly expanded...http://www.google.com/patents/US4760843?utm_source=gb-gplus-sharePatent US4760843 - Connector for fractured bones