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INSTRUMENT D'EXPANSION ET DE COMPRESSION POUR LA FIXATION DE FRACTURES
专利权人:
TRIMED; INCORPORATED
发明人:
MEDOFF, ROBERT J.,TELLMAN, LUKAS
申请号:
CA2805977
公开号:
CA2805977C
申请日:
2013.02.14
申请国别(地区):
CA
年份:
2016
代理人:
摘要:
An expansion and compression instrument for fracture fixation. The instrument includes a first handle member, a second handle member, a bearing assembly, and a replaceable tip insert. The bearing assembly axially receives a driver, such as a hexagonal head screwdriver. The replaceable tip insert is adapted to engage an aperture of a fracture fixation plate. The driver is adapted to engage the head of a bone screw, partially threaded into bone proximate the fracture and disposed through a longitudinal slot of the plate. Manual manipulation of the handle members together or apart causes the driver head and replaceable tip insert to become farther apart or closer together, respectively. This in turn, causes the bone screw to be displaced along the longitudinal slot, expanding or compressing the fracture, respectively. Pivotal or hinged attachment of the bearing assembly to a handle member permits pivotal movement of the driver relative to the handle member and permits the jaws of the replaceable tip insert to remain in substantial engagement with the fracture fixation plate during expansion and compression.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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