Nut starter wrench for orthopedic fixation system

作者: Robert A. Farris , David L. Brumfield

DOI:

关键词: Thread (computing)GeologyStructural engineeringWrenchHexagonal crystal systemFixation (surgical)Nut

摘要: A tool assembly has a shaft (11) with sleeve (21) slidable along it and hexagonal drive post (14) at its lower end to be received in hex socket the upper (34) of bone bolt secured patient's spine. nut (33) secure connector (37) on bolt, is temporarily stored short thread (16) near end. The slid down (23), nut. manually turned while handle prevents shaft, thereby from turning. As turns, off onto (34).