one-way speaking valve

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one-way speaking valve,

a valve, placed on the end of a tracheostomy tube, that opens during inhalation and closes during exhalation, so that the exhaled air is directed through the vocal cords and out the mouth and nose, allowing a person who has had a tracheostomy to speak. See also Passy-Muir valve.

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Passy-Muir valve			One-way speaking valves can be easily placed on the end of any tracheostomy tube. Ventilator accessories by Richardson, Stephanie / FOCUS: Journal for Respiratory Care & Sleep Medicine Lichtman et al studied the effects of a one-way speaking valve on secretion accumulation by measuring the amount of content that was suctioned from the oral cavity and tracheotomy tube over a 24-hour period. Secretions, occlusion status, and swallowing in patients with a ... by Theisen, Melissa / Ear, Nose and Throat Journal			Ondine's curse Ondiri disease ondontoplasty one & one-half syndrome one bone-two bone sign one cell-one antibody rule one gene One Handed Food One Hundred Forty Grain Lead Injection One Month to Live One Point Nine Gram Lead Injection One Stop Clinic one-and-a-half spica cast one-child sterility one-day event One-Eyed Vertebra one-hit theory one-hour glucose challenge one-leafed cape tulip one-lung anesthesia One-Shot one-stage prothrombin time one-stop shopping strategy one-to-one care one-to-one relationship one-way speaking valve oneir(o)- oneir- oneiric oneirism oneiro- oneirodynia oneirology oneirophrenia oneiroscopy Ongole cattle onion Onion Skin Onion Skin Appearance Onion Skin Pattern onion skinning onlay onlay graft online online CME online disease management Online Mendelian Inheritance in Man online safety Only Child onomatology onomatomania			One-Way Communication One-Way Communication one-way coupling One-Way Data Link One-Way Delay One-Way Delay Protocol One-Way Elevator with Interleaving and Delayed Start One-Way Entanglement Purification Protocol One-Way Flow Combustion One-way function One-Way Function Tree One-way Glass One-way hash function One-way hash function one-way joist construction One-Way Light Speed Experiment one-way light time one-way light time One-way market One-Way Markets one-way mirror One-way Paging Service One-way permutation One-Way Propagation Factor One-way road One-way roads one-way slab one-way speaking valve one-way street one-way street One-way system one-way throw one-way ticket One-way traffic One-way traffic One-way trunk One-way valve One-way valve One-way Video/Two-way Audio One-Way-Travel One-Way-Travel Time One-Wayness Against Chosen-Plaintext Attack one-winged One-Winged Angel One-wire One-wire bus one-woman one-year one-year ice One-Year Regular One-Year Return Rate one-year-old ONE/NJ ONE/R one’s due

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