Abstract: A tracheostomy mask for delivering gaseous therapeutics to a patient fitted with an tracheostomy tube includes a mask body and an alignment stabilizer. The mask body has an opening to receive oxygen and humidification to be delivered to a patient. The alignment stabilizer is supported by the mask body and maintains alignment between the mask body and the tracheostomy tube inserted within the neck of a patient. By maintaining this alignment, the tracheostomy mask with alignment stabilizer insures reliable therapeutic delivery to the patient.

Abstract: A hyperbaric gas treatment device applicable to any part of the body for therapeutic topical treating of a skin lesion at the body part. A resilient pad is provided with a central opening therethrough in its thickness direction whose periphery at one major pad surface registers with the periphery of a hole provided through gas-impervious transparent flexible sheet material which encases the pad. The pad casing is hermetically penetrated by a gas inlet fitting arranged to discharge treating gas into the central opening either directly, by extending laterally through the pad to pierce the wall of the opening, or indirectly, by extending between the casing and a peripheral surface portion of the pad so as to communicate with the opening by way of paths between the casing and the pad periphery which link with paths between the casing and at least one of the major pad surfaces.

Abstract: An expendable adaptor for quick coupling flexible hoses to a variety of devices such as oxygen breathing equipment and including an enlarged deformable head portion having at least a pair of concentric sleeves the inner of which is axially recessed so that its forward face engages an end edge of a complementary coupling fitting in sealing relationship while the outer sleeve surrounds the fitting in a secondary sealing as well as anchoring relationship.