Definition of cannula in US English:

cannula

noun

Surgery
  • A thin tube inserted into a vein or body cavity to administer medicine, drain off fluid, or insert a surgical instrument.

    • ‘A second electrocardiograph was attached and an intravenous cannula inserted, and I was given some diamorphine.’
    • ‘Blood transfusions are most commonly received using a small plastic tube called a cannula, which is inserted into a vein in your arm.’
    • ‘Umbilical tapes are placed around the SVC and IVC cannulas to hold the cannulas and tourniquets in place during surgery.’
    • ‘The company's surgical navigator uses radiographic imaging to help a surgeon accurately guide cannulae and surgical instruments to targeted areas of the spine.’
    • ‘An intravenous cannula is inserted and fluids are administered directly into the circulation.’

Origin

Late 17th century: from Latin ‘small reed’, diminutive of canna (see cane).

Pronunciation

cannula

/ˈkanyələ//ˈkænjələ/