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BONE CEMENT INJECTION PUNCTURE NEEDLE
专利权人:
发明人:
申请号:
EP11753311.7
公开号:
EP2545872A1
申请日:
2011.03.07
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
An outer needle (12) of a bone cement injection puncture needle has first side holes (22) near the tip, and second side holes (24) near the base. When an inner needle is removed from the outer needle (12) and an inner tube is inserted into the outer needle (12) in place thereof, a reduced-pressure passage (48) is formed between the outer needle (12) and the inner tube (17). By this means, when bone cement is injected into a bone, gas and liquid in the bone pass through the reduced-pressure passage (48) and are discharged from the body, thereby preventing increased pressure in the bone. As a result, the bone cement can be prevented from leaking to outside of the bone.
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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