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注射器
专利权人:
テルモ株式会社
发明人:
竹本 昌史
申请号:
JP2015512933
公开号:
JP6010220B2
申请日:
2014.03.27
申请国别(地区):
JP
年份:
2016
代理人:
摘要:
A syringe (10) is provided with a needle (12), a body (14), and a protection device (20). The protection device (20) includes: an inner cylinder (42) which is rotatably mounted to the body (14) and which has a protrusion (76) and an outer cylinder (40) which covers the needle (12) and the inner cylinder (42) before a puncture, retracts and exposes the needle (12) during the puncture, and advances and covers the needle (12) after the puncture. The outer cylinder (40) has: a guide passage (54) which guides the protrusion (76) and rotates the inner cylinder (42) and a restriction section (63) which, when the protrusion (76) has moved to a predetermined position in the guide passage (54) after a puncture, restricts the retraction of the outer cylinder (40).
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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