• WordNet 3.6
    • n cannula a small flexible tube inserted into a body cavity for draining off fluid or introducing medication
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Webster's Revised Unabridged Dictionary
    • n Cannula (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.
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Century Dictionary and Cyclopedia
    • n cannula A small tube used by surgeons for various purposes, as for a sheath to a stylet or other sharp instrument, along with which it is thrust into a cavity or tumor containing a fluid. The perforation being made, the sharp instrument is withdrawn and the tube left, in order that the fluid may pass through it. Also canula.
    • n cannula Eccles., a cruet for use at the altar. See cruet.
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Chambers's Twentieth Century Dictionary
    • n Cannula kan′ū-la a surgical tube, esp. that enclosing a trocar or perforator, and the breathing-tube inserted in the windpipe after tracheotomy
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Webster's Revised Unabridged Dictionary
L. cannula, a small tube of dim. of canna, a reed, tube
Chambers's Twentieth Century Dictionary
Dim. of canna, a reed.


In literature:

The operation is performed with a combined instrument called the trocar and cannula.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
If the ovarian dropsy form a considerable tumour in the abdomen, it may be readily reached by the trocar and cannula penetrating the line P Z.
"Surgical Anatomy" by Joseph Maclise
It is well, accordingly, to observe the cannula closely, and if gas is found to be issuing from it, it should not be removed.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
Attached to the handle was a thumb-rest and a tube for removing or adding fluids and a perforator within the cannula.
"Bloodletting Instruments in the National Museum of History and Technology" by Audrey Davis
Inside the cannula is fixed by oxidation an obturator, which carries on its end a small handle fixed on in T-fashion.
"Surgical Instruments in Greek and Roman Times" by John Stewart Milne

In news:

Covidien announced that it notified customers on July 18 about a voluntary global recall of certain lots of its Shiley reusable cannula , cuffed adult tracheostomy tubes, size 8.
This action was in response to reports of volume leakage and/or disconnection between the inner and outer cannulae.
The concept of high flow and high humidity via a nasal cannula (HFNC) was first introduced by Vapotherm to the respiratory care market in the spring of 2002 after receiving FDA approval.
Liposuction (LYE-poe-suc-shun) is a procedure in which fat deposits are suctioned from the body using a small, hollow wand called a cannula (CAN-you-luh).
During the procedure, small incisions are made for the cannula (CAN-yuh-luh), which is the wand-like instrument used to suction out the fat and fluid.
While the methods are generally the same, operations performed on men may use a larger cannula (KAN-yuh-luh) to remove their typically greater amounts of fat.
John Edward Allen says a needle-like device called a cannula shot out of its syringe and into his eye during cataract surgery about a year ago.
A needle-like device called a cannula shot out of its syringe and into John Edward Allen's eye during cataract surgery about a year ago.
Blame it on Miami's year-round sunny weather but our skin is in need of a lift — minus that invasive cannula or scary needles.