catheter

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catheter

Med a long slender flexible tube for inserting into a natural bodily cavity or passage for introducing or withdrawing fluid, such as urine or blood

catheter

[′kath·ə·dər]
(medicine)
A hollow, tubular device for insertion into a cavity, duct, or vessel to permit injection or withdrawal of fluids or to establish patency of the passageway.
References in periodicals archive ?
For years, physicians have used nasal catheters to measure esophageal acid levels with pH testing in patients suspected of having acid reflux, or gastroesophageal reflux disease (GERD).
But, primarily because the Bravo System was more comfortable than the nasal catheter, they left the capsule in place and recorded results for an additional 18-24 hours in 83 patients.
To diagnose GERD, physicians examine the esophagus with an endoscope and, before the Bravo system was commercially introduced by Medtronic last May, typically inserted a nasal catheter to measure the pH (acidity) level in the esophagus.
Visit Sinus Dilation Devices Market by Product Type (Balloon Sinuplasty Systems, Distal Suction Blades, Sinoscopes, Sinus Seekers, Sinus Ventilation Devices, Nasal Catheters, Nasal Forceps, Others), and End User (Ambulatory Surgical Centers, Hospitals, Specialty Clinics) and Forecast 2017-2021 at https://www.
2 - special dressings; Package 3 - to stabilize the dressing epiduralnych catheters, dressings for fixing the nasal catheters and probes; Package No.
We have had nasal catheters, nasal cannula, simple masks, venti-masks, partial re-breathing masks and non-rebreathing masks just to name a few.