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  2. Nasal cannula - Wikipedia

    en.wikipedia.org/wiki/Nasal_cannula

    A nasal cannula is generally used wherever small amounts of supplemental oxygen are required, without rigid control of respiration, such as in oxygen therapy. Most cannulae can only provide oxygen at low flow rates—up to 5 litres per minute (L/min)—delivering an oxygen concentration of 28–44%.

  3. List of instruments used in otorhinolaryngology, head and ...

    en.wikipedia.org/wiki/List_of_instruments_used...

    Katz extractor. to remove nasal foreign body. Bull's eye lamp. source of light; exiting lens is convex and produces a divergent beam of light. Speculum. to dilate orifices and to see inside. •Thudichum's nasal speculum. -do-; short blades ( uses: anterior rhinoscopy - to see the Little's area, ant-inferior part of nasal septum, anterior part ...

  4. Heated humidified high-flow therapy - Wikipedia

    en.wikipedia.org/wiki/Heated_humidified_high...

    The traditional low flow system used for medical gas delivery is the Nasal cannula which is limited to the delivery of 1–6 L/min of oxygen or up to 15 L/min in certain types. This is because even with quiet breathing, the inspiratory flow rate at the nares of an adult usually exceeds 30 L/min.

  5. Cannula - Wikipedia

    en.wikipedia.org/wiki/Cannula

    Cannula. A cannula ( / ˈkænjʊlə / ⓘ; Latin meaning 'little reed'; pl.: cannulae or cannulas) [1] is a tube that can be inserted into the body, often for the delivery or removal of fluid or for the gathering of samples. In simple terms, a cannula can surround the inner or outer surfaces of a trocar needle thus extending the effective ...

  6. Non-rebreather mask - Wikipedia

    en.wikipedia.org/wiki/Non-rebreather_mask

    A non-rebreather mask ( NRB, non-rebreather, non-rebreather facemask, etc.) is a device used in medicine to assist in the delivery of oxygen therapy. A NRB requires that the patient can breathe unassisted, but unlike a low-flow nasal cannula, the NRB allows for the delivery of higher concentrations of oxygen.

  7. Breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Breathing_apparatus

    Nasal cannula A nasal cannula is relatively unobtrusive and is widely used for supplemental oxygen. The basic version is used to deliver continuous flow supplemental oxygen at rates from 1 to 6 litres per minute.