| 摘要 |
<p>CANADIAN PATENT APPLICATION OF DOUGLAS LEE RASH FOR INFUSION CANNULA ASSEMBLY An infusion cannula assembly comprises as one part an elongated connection housing with a longitudinal through channel one end of which is formed as a holder sleeve and from the other end of which a flexible cannula tube projects, and as another part a puncture needle unit having a head releasably accommodated in the holder sleeve and protruding therefrom and a metallic puncture cannula tube extending from the head through the channel and the flexible cannula tube and projecting slight from the flexible cannula tube with a spiculated end, the head having two flexible finger grip wings projecting from the head outside the holder sleeve and extending in the same direction on either side of the housing in the longitudinal direction of the housing, the wings being adapted to be fixedly pressed by a person's fingers against the housing from opposite directions.</p> |
