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    • 3. 发明公开
    • PATIENT INTERFACE
    • EP3967352A1
    • 2022-03-16
    • EP21184115.0
    • 2014-01-16
    • ResMed Pty Ltd
    • SCHEINER, Rupert ChristianHITCHCOCK, William LaurenceBARBARA, Anthony PaulBARLOW, Adam FrancisEDWARDS, Craig DavidGOLDSPINK, Lachlan RichardHASKARD, Kirrily MicheleLEE, Murray WilliamMAY, Frederick ArletRUMMERY, Gerard MichaelSHANMUGA SUNDARA, Shiva KumarTAN, Chia IkWAGNER, Stewart JosephWELLS, Alicia KristianneFORRESTER, MartinJOURDAN, Ralph
    • A61M16/06A61M16/00A61M16/10A61M16/16
    • A patient interface comprises: a plenum chamber (3200) pressurisable to a therapeutic pressure above ambient air pressure, said plenum chamber including a plenum chamber inlet port sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient; a seal-forming structure (3100) constructed and arranged to seal with a region of the patient's face surrounding an entrance to the patient's airways, said seal-forming structure being constructed and arranged such that the flow of air at said therapeutic pressure is delivered to an entrance to the patient's nares, and the seal-forming structure being constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use; a positioning and stabilising structure configured to hold the seal-forming structure in a therapeutically effective position on the patient's head, the positioning and stabilising structure comprising a tie, and the tie being constructed and arranged so that at least a portion overlies a region of the patient's head superior to an otobasion superior of the patient's head in use; and a vent structure formed in the plenum chamber and configured to allow a continuous flow of gases exhaled by the patient from an interior of the plenum chamber to ambient; wherein the patient interface is configured to leave the patient's mouth uncovered during therapy, wherein the seal-forming structure is shaped and dimensioned such that no portion of the seal-forming structure enters into the patient's nares during use, wherein the seal-forming structure (3100) comprises two lateral support regions (3112.3; 3117), each located at a lateralmost side of the seal-forming structure (3100), and a medial region (3112.1; 3113, 3115) positioned between the lateral support regions, the naris openings passing through the seal-forming structure at the medial region, wherein the lateral support regions (3112.3; 3117) are thicker than the medial region (3112.1; 3113, 3115), and
      wherein the seal-forming structure further comprises two mid-lateral regions (3112.2), each of the mid-lateral regions being positioned laterally outward from and adjacent to the medial region and medially inward from and adjacent to a corresponding one of the lateral support regions, the mid-lateral regions being thicker than the medial region and thinner than the lateral support regions.