PROTECTIVE FACE MASK WITH FILTER Russian patent published in 2021 - IPC A61F9/04 A62B18/02 A41D13/11 

FIELD: medical equipment.

SUBSTANCE: invention relates to medical equipment, namely to a protective face mask with a filter. The mask contains a rotatable protective screen, a mask fixation unit on the head in the form of a band with a rim attached to it, passing across the head, a hinged connection of the protective screen with a band, a visor fixed to the protective screen, fans and a filter element. The visor is made of a trapezoidal shape, has a panel with holes in the front part, on which fans are installed, and is also equipped with an inclined rim installed along the perimeter of the panel with fans, on which a filter element is fixed, made with the possibility of covering the inclined rim from above with going over the rim from the outside, while tightly fitting to it. The fans are located on the panel evenly relative to the plane of symmetry with vertical axes of rotation of the impellers.

EFFECT: development of a face mask with a protective screen and filtering fans, the design of which will provide: reliable and quick installation/replacement of the filter element, balanced distribution of the load on the head, the ability to filter almost the entire volume of incoming air, as well as prevent contaminated air from entering the under mask space from below.

7 cl, 4 dwg