The valve of oxygeno - phonation and tip of the cannula of tracheotomy comprising said valve of oxygeno -

摘要

Aid device of the breathing. / p & & p & the valve of phonation according to the invention is characterized in that: / p & & p & gt. a support means 7 for the check valve - return 12, which is permeable to the flow of aspirated air breathed out, is interposed in the channel 4 of the endpiece 1, downstream of a connection 5 to an installation for the oxygenation with respect to the flow of aspirated air, 1 / p & & p & gt. the single - return 12 is deformable, arranged downstream of the support means 7 with respect to the direction of flow of aspirated air, and mounted in sealed bearing against the latter by a fixing means 13 defining at least one fastening zone from which the valve 12 is subjected to an axial and radial deformation by the flow of aspirated air. / p & & p & application to the tracheotomy cannulas.