FILTERING AND ABSORBING BOX Russian patent published in 2003 - IPC

FIELD: medical engineering. SUBSTANCE: device has body and neck filled with absorbing blend, ring from semi-flexible material fitted over the device body and cover provided with anti-aerosol folded filter having ringshaped protrusion and the last fixing filter fold between the ring-shape protrusion of the cover and device body base. The cover is manufactured from semi-flexible material. The ringshaped cover protrusion is manufactured with narrowing part deformable from assemblage force when compressing the filter. Filter edge is fixed between the ring and cover. The lateral surfaces of the cover and ring are provided with ring-shaped protrusions and grooves for snapping during assemblage. EFFECT: excluded air influx; lower material consumption; small size. 2 dwg