Shape memory alloy internal linear actuator for use in orthopedic correction
作者： James A. Fairweather , Kevin C. Craig , Robert S. Hirsch , Michael M. Chen , Allen Carl
DOI:
关键词: Materials science 、 Clutch 、 Shape-memory alloy 、 Mechanism (engineering) 、 Rotation 、 Control engineering 、 Screw 、 Linear actuator 、 Mechanical engineering
摘要: An implantable linear actuator device for use in orthopedic correction procedures, the comprising a housing including first tubular portion and second portion, slidably received telescoping relationship within portion; drive mechanism secured connected between portions, main screw shaft rotatably journalled at one end threadably an opposite to one-way rotatable clutch engageable with such that rotation of direction will effect but not rotate shaft; shape memory alloy component fixed that, upon application heat, causes direction.
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