Patent ID: 8887718

Claim:
A heat moisture exchange device comprising a housing adapted to be received on an end of a tracheotomy tube, wherein exhaled and inhaled air may move into and out of the housing, the housing having a domed frontal wall and circumferential walls depending from the domed frontal wall, a bottom circular panel joined to the circumferential walls, a circular opening formed in the bottom panel, the domed frontal wall having a dimple extending toward the circular opening, a plurality of spaced-apart legs connected to the bottom panel and extending upwardly within the housing toward the domed frontal wall, the legs being substantially parallel to the circumferential walls, a plurality of spaced-apart openings formed in the circumferential walls, and a heat and moisture exchange filter mounted within the housing through which air flows, wherein moisture and heat from the exhaled air is transferred to the filter and inhaled air is heated and moisturized by the filter and wherein particulates in the inhaled air are collected by the filter.