[医] 套管, 插管

Canula \Can"u*la\, n., Canular \Can"u*lar\, a., Canulated
\Can"u*la`ted\, a.
See {Cannula}, {Cannular}, and {Cannulated}.

Cannula \Can"nu*la\, n. [L. cannula a small tube of dim. of
canna a reed, tube.] (Surg.)
A small tube of metal, wood, or India rubber, used for
various purposes, esp. for injecting or withdrawing fluids.
It is usually associated with a trocar. [Written also
{canula}.]