Definition of cannula in English:


Line breaks: can|nula
Pronunciation: /ˈkanjʊlə

noun (plural cannulae /-liː/ or cannulas)

  • A thin tube inserted into a vein or body cavity to administer medication, drain off fluid, or insert a surgical instrument.
    More example sentences
    • An intravenous cannula is inserted and fluids are administered directly into the circulation.
    • The company's surgical navigator uses radiographic imaging to help a surgeon accurately guide cannulae and surgical instruments to targeted areas of the spine.
    • Umbilical tapes are placed around the SVC and IVC cannulas to hold the cannulas and tourniquets in place during surgery.


late 17th century: from Latin 'small reed', diminutive of canna (see cane).

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