US Patent No. 11,109,961


Patent No. 11,109,961
Issue Date September 07, 2021
Title Speech Valve For Persons Having Undergone A Laryngectomy Or Tracheotomy
Inventorship Andreas Fahl, Cologne (DE)

Claim of US Patent No. 11,109,961

1. A speech valve for persons having undergone a laryngectomy or tracheotomy, comprising:a housing having a cover part, a delimiting wall, and a bottom part, air passageway openings formed in each of the cover part and wall, a proximal opening formed in the bottom part;
an annular shaped filter supported around the wall and sealed by the cover part;
a valve element displaceably supported within the wall and which is biased into communication with a central opening of the cover part to permit bi-directional airflow through the housing, the valve element being displaceable in a direction counter to its bias and along a central main axis extending through an interior of the wall to an airflow interrupting position in which the valve element is moved onto a valve seat configured about the proximal opening; and
wherein the valve element is supported in the housing via at least one spring element, wherein the valve element has at least one bearing for supporting the at least one spring element disposed on at least one of a side wall, an undersurface, and an upper surface thereof.