| 摘要 |
Valve for tracheo-oesophageal fistula characterised in that it comprises a body 1 made from a material which has a capacity for elastic deformation, this body comprising an enlarged hollow part 1b arranged in the extension of a tubular part 1a, and connecting with the inside of the latter, the body thus formed comprising, on the one hand, an air inlet orifice 2 arranged at the free end of or close to the free end of its tubular portion, and, on the other hand, an air outlet slot 3 situated at the periphery of its enlarged part. <IMAGE>
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