Oxygen therapy humidifier

Claim 1

A HUMIDIFIER FOR GAS UNDER PRESSURE, INCLUDING IN COMBINATION: A CONTAINER BODY ADAPTED TO BE PARTIALLY FILLED WITH WATER; A COVER ADAPTED TO SEAL SAID CONTAINER, SAID COVER HAVING A VERTICAL INLET FOR DRY GAS AND A RADIAL HORIZONTAL OUTLET FOR HUMIDIFIED GAS CONNECTED TO A CONDUIT THROUGH SAID COVER LEADING FROM A COVER OPENING INSIDE SAID CONTAINER NEAR SAID VERTICAL INLET; A HOLLOW MUFFLER TUBE DEPENDING FROM SAID COVER AND SURROUNDING BOTH SAID VERTICAL INLET AND SAID COVER OPENING, SAID MUFFLER TUBE HAVING RADIAL PERFORATIONS SPACED DOWNWARDLY A SUBSTANTIAL DISTANCE FROM SAID COVER; A VAPORIZER ASSEMBLY SUPPORTED BELOW SAID PERFORATIONS BY SAID MUFFLER TUBE, SAID ASSEMBLY INCLUDING A HOUSING DEFINING A VENTURI CHAMBER HAVING ORIFICE MEANS FOR DRY GAS, AN INLET OPENING FOR WATER, AND NOZZLE MEANS IN LINE WITH SAID ORIFICE MEANS THROUGH WHICH A MIXTURE OF GAS AND WATER ISSUES; AN IMPERFORATE TUBE CONNECTING SAID ORIFICE MEANS WITH SAID DRY GAS INLET MEANS; A TUBE FOR WATER LEADING FROM THE LOWER PART OF SAID CONTAINER BODY TO SAID WATER INLET OPENING; AND A CUSP-SHAPED BAFFLE DEPENDING FROM SAID MUFFLER TUBE BELOW AND IN LINE WITH SAID NOZZLE MEANS, ABOVE THE WATER LEVEL, WHEREBY THE DRY GAS DRAWS WATER INTO SAID VENTURI CHAMBER, ISSUES AS A STREAM OF WET GAS FROM SAID NOZZLE MEANS, IS DEFLECTED BY SAID BAFFLE OUT INTO THE SPACE BETWEEN SAID CONTAINER WALLS, SAID MUFFLER TUBE, SAID COVER, AND THE WATER, IS FORCED BY THE PRESSURE IN SAID CONTAINER THROUGH SAID PERFORATIONS INTO SAID MUFFLER TUBE AND THENCE TO SAID COVER OPENING AND SAID OUTLET, SAID BAFFLE AND THE SUBSEQUENT LABYRINTHINE PATH OF THE WET GAS SERVING TO SHAKE OUT SUSPENDED DROPLETS OF WATER FROM THE HUMIDIFIED GAS.