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DEPTH CONTROLLED JAMSHIDI NEEDLE
专利权人:
Wyatt Drake Geist
发明人:
Wyatt Drake Geist,Pierce Dalton Nunley
申请号:
US13956067
公开号:
US20140039534A1
申请日:
2013.07.31
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A precision depth guided instrument, such as a Jamshidi needle, is provided for use in various surgeries related to the vertebrae. The instrument includes an outer cannula, an inner cannula and a stylet. After the cortical bone of a vertebra is penetrated by the outer cannula of the instrument, the depth of penetration of the inner cannula is adjusted by rotation of the inner cannula. The inner cannula is then moved further into the vertebrae, and a stop mounted on the outer cannula controls the depth of penetration of the inner cannula. The correct depth of penetration is determined by radiography prior to the procedure.
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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