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Surgical knife safety handle having user operable lock
专利权人:
Inc.;Beaver-Visitec International (US)
发明人:
Dana Cote,Brian Rapp,Paul Karnafel,Xiaoyu Zhang
申请号:
US15335655
公开号:
US10357279B2
申请日:
2016.10.27
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A surgical knife safety device having a handle, a blade connected to the handle, and a guard carried by the handle for sliding movement between a retracted position in which the blade is exposed for use, and an extended position for covering the sharp cutting edge of the blade. In the retracted position, an enlarged guard radius is provided at the distal end of the handle to allow improved handle control and blade orientation. The enlarged guard radius is positioned to allow the user to firmly grip a large distal handle portion which is preferably molded as a single piece with the blade holder, preventing unwanted blade or handle movement due to guard mechanism tolerances. A spring, such as leaf spring or a cantilever beam, and a pair of detents or slots are provided to fix the guard in the extended or retracted position and to provide resistance during movement between the two positions. Additionally, a pushback prevention mechanism, a user operable lock and a drop-force operable lock are provided to prevent accidental retraction of the guard from the fully extended and guarded position.
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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