Intravenous catheter fitting with protective end seal

作者: Gerald W. Johnson

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摘要: An intravenous catheter has an elongate small diameter flexible tubular front portion and a rear base which interior bore in communication with the of for connection to needle or other fluid injection withdrawal members. A thin membrane seal formed resilient stretchable material is secured over opening at base. The elasticity allows beveled end be pushed through puncture as it passes will not tear, but stretch forward motion continues conform profile allow engage may inserted into usual manner used just any standard catheter-needle assembly. When withdrawn from catheter, resumes its original position, except that very tiny hole where penetrated. Under normal use conditions, close so no leakage occurs. Thus, prevents fluid, i.e., blood, leaking until such time made complete procedure.

参考文章(8)
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