cannula


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cannula

 [kan´u-lah]
a tube for insertion into a vessel, duct, or cavity. During insertion its lumen is usually occupied by a trocar; following placement, the trocar is removed and the cannula remains patent as a channel for the flow of fluids.
nasal cannula one that fits into the nostrils for delivery of oxygen therapy. Called also nasal prongs.

can·nu·la

(kan'yū-lă),
A tube that can be inserted into a cavity, usually by means of a trocar filling its lumen; after insertion of the cannula, the trocar is withdrawn and the cannula remains as a channel for the transport of fluid or passage of instruments.
[L. dim. of canna, reed]

cannula

also

canula

(kăn′yə-lə)
n. pl. cannu·las or cannu·lae (-lē′)
A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, or vessel to drain fluid or administer a substance such as a medication.

cannula

A tube inserted into a duct, cavity or other space; its lumen is maintained closed by a trocar during insertion.

cannula

Surgery A tube inserted into a duct, cavity or other space; during insertion, its lumen is occluded by a trocar. See Endoscopy, Nasal cannula, QuickDrawvenous cannula, Trocar.

can·nu·la

(kan'yū-lă)
A tube that can be inserted into a cavity or vein, usually by means of a trocar filling its lumen; after insertion of the cannula, the trocar is withdrawn and the cannula remains as a channel for the transport of fluid. Intravenous cannulas should be changed regularly to prevent thrombophlebitis.
[L. dim. of canna, reed]

cannula

(kan'u-la) [L., a small reed]
Enlarge picture
NEEDLELESS CANNULAE USED TO CONNECT AN ADDITIVE TO PRIMARY INTRAVENOUS INFUSIONS
A tube or sheath that encloses a trocar. After the device is inserted into a blood vessel, body cavity, duct, or hollow organ, withdrawal of the trocar lets fluid drain (so that it can be collected or sampled) or escape. See: illustration

Bellocq's cannula

See: Bellocq's cannula
Enlarge picture
NASAL CANNULA FOR OXYGEN DELIVERY.

nasal cannula

Tubing used to deliver oxygen at levels from 1 to 6 L/min. The nasal prongs of the cannula extend approx. 1 cm into each naris and are connected to a common tube, which is then connected to the oxygen source. It is used to treat conditions in which a slightly enriched oxygen content is needed, such as emphysema. The exact percentage of oxygen delivered to the patient varies with respiratory rate and other factors.
illustrationillustration

cannula

A hollow surgical tube, into which is inserted a close fitting, sharp-pointed inner stiffener called a trocar. The combination can easily be pushed through the skin or the lining of a blood vessel or other tissue. When in position, the trocar is pulled backwards out of the cannula, leaving the latter in place. Fluids or other materials may then be passed.

Cannula

A tube inserted into a cavity to serve as a channel for the transport of fluid.

can·nu·la

(kan'yū-lă)
Tube that can be inserted into a cavity, usually by means of a trocar filling its lumen.
[L. dim. of canna, reed]
References in periodicals archive ?
According to the company, a cannula is a thin, flexible tube with a rounded tip that allows for injection of the Juvederm VOLUMA XC, a hyaluronic acid gel dermal filler, in the cheek area.
Within the Juvderm Collection of Fillers, this is the first approval for the use of cannula. Juvderm VOLUMA XC was first approved by the FDA in 2013 and is formulated with Allergan's proprietary VYCROSS technology, which blends different molecular weights of hyaluronic acid, contributing to the gel's duration and is proven to last in the mid-face area for up to 24 months with optimal treatment.
Cannulas should be highly considered in any deep tissue compartment, but especially in more advanced injection technique areas, such as the nasal dorsum.
Neither is a headset that has earphones and a mic; each is a headset in the sense that it has a clear headband that goes over the user's head and has a boom that curves around the front of the user's face, supporting either a nasal cannula or oxygen diffuser.
Its flagship product, the Soft-Flow Arterial Cannula was the world's first dispersion tip aortic cannula and remains a favorite among clinical users worldwide.
In our study we found statistically significant high rate of pneumothorax with wide bore cannula i.e 16 G cannula as compared to 18 G cannula (p=0.02).
The Argyle[TM] cannula is available in a range of 25mm to 38mm giving an added variety in cannulation options.
The STOP campaign will feature posters designed to raise awareness among staff, which feature cartoon catheter and cannula characters alongside a large STOP sign, with the question "Does your patient need us?" STOP is a key area of work for 1,000 Lives Plus, the national programme supporting organisations and people to deliver the highest quality and safest healthcare for patients in Wales.
All 3 of the patients recovered following replacement of the LVAD cannula, David A.
M2 PHARMA-September 4, 2019-Allergan plc wins first approval for use of cannula within the JuvA(c)derm collection of fillers for mid-face injection
In reading your November 2012 article on oxygen systems I ran across, "The FAA requires using a mask instead of a cannula above FL180."