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A small tube that can be inserted into a body cavity, duct, or vessel.



a hollow tube with a blunt end designed for intro-ducing into the human (or animal) body drugs or X-ray contrastmedia, restoring the patency of the respiratory tract, or with-drawing fluids from the body cavities. It is also used for anatomi-cal, pathologicoanatomic, and laboratory studies. Cannulas aremade of metal, glass, or plastic.

References in periodicals archive ?
During the process, the CNA removed her nasal cannula because the tubing was not long enough for her to move about.
On the day of testing the procedure was explained to the research subject, the nasal cannula fitted, and the subject was encouraged to breathe in a steady pattern while recording took place.
Transtracheal is well accepted by patients and delivers oxygen more efficiently than a nasal cannula.
Her vital signs after the second unit of polymerized hemoglobin were blood pressure, 134/94 mm Hg supine; heart rate, 98 beats per minute; respirations, 14 per minute; oxygen saturation, 92% on 2 L oxygen per nasal cannula.
Flowrest is indicated to deliver heated, humidified breathing gases via nasal cannula at flow rates from 15 to 35 liters per minute.
Although a nasal cannula is a low flow oxygen system which means the precise FIO2 depends on the patient breathing pattern, with normal breathing a 2 LPM nasal cannula suggests and FIO2 of 0.
An 89-year-old woman with a history of recurrent CHF secondary to hypertensive cardiomyopathy (three hospitalizations in 3 months, systolic and diastolic dysfunction by echocardiogram, ejection fraction of 40%, on home oxygen at 2 L/min), type 2 diabetes, and chronic renal insufficiency (glomerular filtration rate of 20 ml/min) was undergoing rehabilitation after hospitalization for pyelonephritis when her oxygen saturation dropped acutely from 92% to 60% on 6 L of oxygen by nasal cannula.
She further stated that the oxygen administered via a nasal cannula was "palliative," "not life sustaining," and that on several prior occasions the cannula became displaced.
With an exceptional combination of soft, non-DEHP material and improved product design, Softech Plus is the ideal choice for nasal cannula oxygen delivery.
Respiratory Series CPAP Mask Nasal Cannula Aerosol Mask High concentration Mask Oxygen Mask
When evaluated in the emergency department, he was afebrile, with a blood pressure of 122/86 mm Hg, oxygen saturation of 100% on a nasal cannula of 2 L/min, and a respiration rate of 16 breaths per minute.