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Catheter assembly
专利权人:
B BRAUN MELSUNGEN AG
发明人:
申请号:
GB201406042
公开号:
GB201406042D0
申请日:
2013.08.21
申请国别(地区):
GB
年份:
2014
代理人:
摘要:
A catheter assembly (2) comprising a catheter hub (4), a hollow tubular catheter (10), a needle (30), a valve assembly (70), a valve opener (50), and a needle guard assembly (120). The needle guard assembly comprises a housing (122) having the needle extending therethrough and having a distal end (126) and a proximal end (124), the housing being connected at its distal end to the proximal end of the catheter hub, a needle guard (140) disposed within the housing, the needle guard comprising a needle trap (142) moveable between a ready position, in which the needle trap is held to one side of the shaft of the needle extending through the housing, and a protected position, in which the needle trap blocks the sharpened needle tip (36) of the needle within the housing, the needle trap comprising a first end and a second end, a resilient arm (150) biasing the needle trap into the protected position, the resilient arm bearing against the inner wall of the housing to urge the needle trap into the protected position, wherein the needle trap and the resilient arm are folded together to one side of the needle shaft in the ready position, a coupling arm (160), in the ready position the coupling arm coupling the housing to the proximal end of the catheter hub, movement of the needle trap from the ready position to the protected position causing the coupling arm to release the housing from the catheter hub, wherein the coupling arm is connected to the second end of the needle trap along a line extending perpendicular to the shaft of the needle.
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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