cannula

cannula
A tube that can be inserted into a cavity, usually by means of a trocar filling its lumen; after insertion of the c., the trocar is withdrawn and the c. remains as a channel for the transport of fluid. [L. dim. of canna, reed]
- Hasson c. a laparoscopic instrument for open (rather than blind needle insufflation) placement of the initial port. The Hasson has a blunt-tipped obturator instead of a sharp trocar and a balloon on the distal portion of the sheath to hold it in place. SYN: laparoscopic c..
- Karman c. a flexible plastic c. used in performing early (menstrual extraction) abortion.
- laparoscopic c. SYN: Hasson c..
- perfusion c. 1. a double-barreled c. used for irrigation of a cavity, the wash fluid passing into the cavity through one tube and out through the other. 2. c. used to perfuse an organ, i.e., used to flush a donor organ in preparation for transplantation.
- washout c. a c. that can be irrigated without removal from the artery.

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can·nu·la also can·u·la 'kan-yə-lə n, pl -las or -lae -.lē, -.lī a small tube for insertion into a body cavity, duct, or vessel

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n.
a hollow tube designed for insertion into a body cavity, such as the bladder, or a blood vessel. The tube contains a sharp pointed solid core (trocar), which facilitates its insertion and is withdrawn when the cannula is in place.

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can·nu·la (kanґu-lə) [L. dim. of canna “reed”] a tube for insertion into a vessel, duct, or cavity; during insertion its lumen is usually occupied by a trocar. Cf. catheter.

Medical dictionary. 2011.

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Look at other dictionaries:

  • 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… …   The Collaborative International Dictionary of English

  • cannula — 1680s, from L. cannula small reed or pipe, dim. of canna reed, pipe (see CANE (Cf. cane)) …   Etymology dictionary

  • Cannŭla — (lat.), 1) Röhrchen; 2) (Chir.), s. Canule …   Pierer's Universal-Lexikon

  • cannula — [kan′yo͞o lə, kan′yələ] n. pl. cannulae [kan′yo͞olē΄, kan′yəlē΄] or cannulas [L, dim. of canna: see CANE] a tube, usually with a trocar, for insertion into body cavities or ducts, as for drainage: cf. CATHETER …   English World dictionary

  • Cannula — For other uses, see Cannula (disambiguation). A cannula (from Latin little reed ; plural cannulae) or canula is a tube that can be inserted into the body, often for the delivery or removal of fluid or for the gathering of data. In simple terms, a …   Wikipedia

  • cannula — noun a) A tube inserted in the body to drain or inject fluid. b) A hose or tube that connects directly to an oxygen (O) bottle/source from the users nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus. See… …   Wiktionary

  • cannula — càn·nu·la s.f. TS med. tubicino di vario materiale e calibro, utilizzato spec. nella tecnica terapeutica e in chirurgia {{line}} {{/line}} DATA: 1491. ETIMO: dal lat. tardo cannŭla(m), dim. di canna canna …   Dizionario italiano

  • cannula — n. a hollow tube designed for insertion into a body cavity, such as the bladder, or a blood vessel. The tube contains a sharp pointed solid core (trocar), which facilitates its insertion and is withdrawn when the cannula is in place …   The new mediacal dictionary

  • cannula — kaniulė statusas Aprobuotas sritis talpyklės, uždoriai, vartojimo įtaisai apibrėžtis Vartojimo įtaisas – vamzdelis su kūginiu antgaliu puskietės farmacinės formos vaistiniams preparatams vartoti. atitikmenys: angl. cannula vok. Kanüle pranc.… …   Lithuanian dictionary (lietuvių žodynas)

  • cannula — noun (plural las or cannulae) Etymology: New Latin, from Latin, diminutive of canna reed more at cane Date: 1684 a small tube for insertion into a body cavity or into a duct or vessel …   New Collegiate Dictionary

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