Speaking valve with cover part, comprising a closure part with a rising central part
AssigneeAndreas Fahl Medizintechnik—Vertrieb GmbH
InventorAndreas Fahl
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Abstract
The invention relates to a speaking valve for laryngectomized or tracheotomized persons, comprising a cover part, a housing part, and a filter arranged in the housing part. The cover part comprises a closure part which is arranged on an inner face of the cover part and which faces the filter. The cover part consists of an elastic material, and the closure part closes the speaking valve distally to the filter by deforming at least one region of the cover part. The closure part has a circular shape and has a central part surface which rises starting from a lower end surface of an outer edge to a centrally arranged securing region.
Claims18
A speaking valve for laryngectomized or tracheostomized patients, the speaking valve comprising:
- a cover part, a housing part, and a filter disposed in the housing part, wherein the cover part includes a closure part disposed on an inner surface thereof, facing toward the filter, wherein the cover part also includes an elastic material, wherein the closure part closes the speaking valve at an end distal to the filter by deformation of at least one region of the cover part, wherein the closure part has a circular design with a lowermost outer edge, an ascending middle part continuously rising from the lower most outer edge portion to a highest most inner attachment projection extending from the cover part and arranged at a central axis of the housing part.
Dependencies are inferred from the claim text.