US 12,434,028 B2
Apparatus for humidifying air entering into a tracheostomy valve
Daniel Ekeberg, Jönköping (SE); and Inge Blomquist, Vaggeryd (SE)
Assigned to FOGLESS INTERNATIONAL AB, Jönköping (SE)
Appl. No. 17/908,558
Filed by FOGLESS INTERNATIONAL AB, Jönköping (SE)
PCT Filed Mar. 2, 2021, PCT No. PCT/SE2021/050176
§ 371(c)(1), (2) Date Sep. 1, 2022,
PCT Pub. No. WO2021/177881, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 2050231-6 (SE), filed on Mar. 2, 2020.
Prior Publication US 2023/0158263 A1, May 25, 2023
Int. Cl. A61M 16/04 (2006.01); A61M 16/10 (2006.01)
CPC A61M 16/0468 (2013.01) [A61M 16/1045 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An additive hood for humidifying air entering into a tracheostomy valve, the additive hood being configured to be attached at an inlet of the tracheostomy valve and comprises:
a container having
a front wall and
a rear wall, the rear wall being configured to face the inlet of the tracheostomy valve;
the container comprising:
a material enclosed by the front wall, and the rear wall; wherein the material comprises
at least a center through channel, extending through the front wall, extending past the material and extending through the rear wall, allowing exterior air to flow through the container to the tracheostomy valve during inhalation,
wherein the material is configurable or configured to humidify air flowing through the channel, and the material has a first end facing the front wall and a second end facing the rear wall, which first end is located at a first distance from the front wall and/or the second end is located at a second distance from the rear wall enabling the air to flow through a first space between the front wall and the material and/or a second space between the rear wall and the material.