JP2020523492A5 - - Google Patents

Claims (11)

The barrier with a medical frame and the discharge type face mask are hollow frames that form a space under the mask in the face region, and the hollow frame is manufactured in the form of a channel including an air inlet and an outlet, and the hollow frame is formed. Formes the undermask space for the lower part of the face below the level of the nose and takes the form of at least one channel containing at least one inlet and at least one outlet for airflow to pass through. Further, a medical mask in which the outer surface of the frame is air permeable and the side surface in contact with the surface of the face is made of a breathable material. The medical mask according to claim 1, wherein the side surface of the frame in contact with the surface of the face has a notch around the mouth. The medical mask according to claim 1, wherein the breathable material extends beyond the frame. Claim 1 the at least one inlet and / or outlet comprises an additional component that directs the exhaled breath to the material in contact with the surface of the face, the component extending beyond the frame. Or the medical mask according to 3. The medical mask of claim 3, wherein the breathable material extending beyond the frame comprises an additional device for retaining moisture in the exhaled breath. The medical mask according to claim 1, wherein the outer surface of the frame has a fold portion in the form of folds or pleats. The medical mask according to claim 1, comprising at least one device for attaching the mask to the head region. The barrier with a medical frame and the discharge type face mask are hollow frames formed in the form of channels that form an undermask space in the face area and include air inlets and outlets, and the hollow frame is the face. Forming an undermask space for said lower part of the frame, the hollow frame takes the form of at least one channel containing at least one inlet and at least one outlet through which the airflow passes, and the frame further Includes a shield made that closes at least the lower part of the nose without contacting the surface of the face, is open for free nasal breathing, and has the potential to form a partition with the frame. The partition is a medical mask that includes at least one air opening. The medical mask of claim 8, wherein at least one valve is present in at least one air opening. The barrier with a medical frame and the discharge type face mask are hollow frames formed in the form of channels that form an undermask space in the face area and include air inlets and outlets, and the hollow frame is the face. Forming an undermask space for the lower part of the, the hollow frame takes the form of at least one channel containing at least one inlet and at least one outlet for the airflow to pass through, and further in the form of a lower frame. Containing a superstructure adjacent to the central surface of the face around the nose, which together form a common partition, the outer surface and the superstructure of the frame are in the mouth region and the nose region. A medical mask that is air permeable, the other part is made of filter material, and at least one channel has at least one device that can be closed. The medical mask according to claim 10, wherein the frame is entirely made of a filter material.