| 释义 |
‖ cannula Surg.|ˈkænjʊlə|
Also (incorrectly) canula.
[a. L. cannula ‘small reed or pipe’, dim. of canna (q.v.) reed, pipe.]
A tubular instrument introduced into a cavity or tumour in order to allow the escape of fluid.
1684tr. Bonet's Merc. Compit. xiv. 484 Let a Cannula be made of a Linnen Rag besmear'd with White Wax. 1754–64Smellie Midwif. I. 229 Blowing into the mouth with a silver canula so as to expand the lungs. 1866Flint Princ. & Pract. Med. (1880) 148 A canula or hollow needle introduced into the chest. 1876Foster Phys. ii. iv. (1879) 378 When a ureter is divided..and a cannula inserted. |