单词	venturi mask
释义	DictionarySeeventuri venturi flume venturi flume [ven′tu̇r·ē ‚flüm] (engineering) An open flume with a constricted flow which causes a drop in the hydraulic grade line; used in flow measurement. Venturi mask Venturi mask  [ven-tu´re] a type of disposable face mask used to deliver a controlled oxygen concentration to a patient. (See also oxygen therapy.) The flow of 100 per cent oxygen through the mask draws in a controlled amount of room air (21 per cent oxygen). Commonly available masks deliver 24, 28, 31, 35, or 40 per cent oxygen. At concentrations above 24 per cent, humidification may be required. Called also venturi.A Venturi mask for precise oxygen delivery. From Ignatavicius and Workman, 2000. Venturi mask (ven-tū'rē), a mask designed according to the Venturi principle, which allows for precise administration of specific amounts of oxygen. Often called a venti-mask. Synonym(s): air entrainment mask Ven·tu·ri mask (ven-tyūr'ē mask) Oxygen delivery system that allows for the delivery of accurate oxygen concentrations. Venturi, Giovanni B., Italian physicist, 1746-1822. Venturi apparatusVenturi aspiration vitrectomy deviceVenturi bobbin myringotomy tubeVenturi collar button myringotomy tubeVenturi effect - term applied to the operation of a Venturi tube and similar systems.Venturi grommet myringotomy tubeVenturi insufflatorVenturi maskVenturi meter - a device for measuring flow of a fluid.Venturi pediatric myringotomy tubeVenturi spirometerVenturi tube - a tube with a specially streamlined constriction.Venturi ventilator AcronymsSeeVMThesaurusSeemask
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