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    • 8. 发明公开
    • PATIENT INTERFACE
    • EP4393533A3
    • 2024-08-28
    • EP24171783.4
    • 2019-03-28
    • ResMed Pty Ltd
    • EVES, MatthewGOLDSPINK, Lachlan Richard
    • A61M16/06
    • A61M16/16A61M16/0066A61M16/0616A61M16/0605A61M16/0622A61M16/0683A61M16/10A61M2205/021620130101A61M2205/022220130101A61M2210/061820130101A61M2210/062520130101
    • The present invention relates to a plenum chamber for a patient interface. The plenum chamber is pressurisable to a therapeutic pressure of at least 6 cmH20 above ambient air pressure. The plenum chamber comprises one or more walls at least partially enclosing a volume of space and one or more plenum chamber inlet ports sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient. The plenum chamber also has a seal-forming structure constructed and arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's airways. Said seal-forming structure has one or more holes therein such that the flow of air at said therapeutic pressure is delivered to an entrance to the patient's nares and to the patient's mouth via the one or more holes. The seal-forming structure is constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use. The seal-forming structure comprises a nasal portion comprising a central portion configured to form a seal to an inferior periphery of the patient's nose surrounding the patient's nares and to the lip superior in use. The seal-forming structure does not lie over a nose ridge region of the patient's face. The seal-forming structure further comprises a pair of superior-facing intermediate portions configured to be located proximate to the patient's ala in use, the seal-forming structure having a greater thickness in the superior-facing intermediate portions than in the central portion. The seal-forming structure also comprises a pair of lateral-facing posterior portions on lateral non-patient facing regions of the nasal portion, the lateral-facing posterior regions comprising a greater thickness than the superior-facing intermediate portions.
    • 9. 发明公开
    • PATIENT INTERFACE
    • EP4321197A3
    • 2024-05-08
    • EP23196912.2
    • 2019-03-28
    • ResMed Pty Ltd
    • EVES, MatthewGOLDSPINK, Lachlan RichardYEW, RobinBALUCHAGI, Ravikumar
    • A61M16/06
    • A61M16/0616A61M16/0683A61M16/0066A61M16/16A61M16/0605A61M16/0622A61M16/10A61M2205/021620130101A61M2205/022220130101A61M2210/061820130101A61M2210/062520130101
    • The present invention discloses a patient interface comprising: a plenum chamber pressurisable to a therapeutic pressure of at least 6 cmH2O above ambient air pressure throughout a patient's respiratory cycle in use, the plenum chamber comprising: one or more walls; a seal-forming structure constructed and arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's airways, the seal-forming structure comprising a nasal portion having at least one nasal hole configured to deliver a flow of air at said therapeutic pressure to an entrance to the patient's nares in use, the seal-forming structure comprising an oral portion having an oral hole configured to deliver the flow of air at said therapeutic pressure to an entrance to the patient's mouth in use, the seal-forming structure constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use; and one or more plenum chamber inlet ports sized and structured to receive a flow of air at the therapeutic pressure for breathing by the patient throughout the patient's respiratory cycle in use; and a positioning and stabilising structure configured to generate a force to hold the seal-forming structure in a therapeutically effective position on the patient's head, wherein the seal-forming structure comprises posterior-facing lateral portions that form lateral peripheral support portions provided at opposite lateral sides of the oral hole, each of the posterior-facing lateral portions extending medially towards the most lateral edges of the oral hole to provide the lateral peripheral support portions, the lateral peripheral support portions being adjacent to an oral hole peripheral portion at the periphery of the oral hole, and the lateral peripheral support portions being stiffer than the oral hole peripheral portion.
    • 10. 发明公开
    • ORO-NASAL PATIENT INTERFACE
    • EP3821931A1
    • 2021-05-19
    • EP20195150.6
    • 2014-05-14
    • ResMed Pty Ltd
    • BARLOW, Adam FrancisSCHEINER, Rupert ChristianGOLDSPINK, Lachlan RichardNGA, Lemmy
    • A61M16/06A61M16/08A61M16/20
    • A patient interface (3000) to provide breathable gas to a patient, comprising: a cushion assembly (3100), comprising: a nasal cushion (3112) having a concave shape between a first lateral side and a second lateral side to receive and seal against an inferior periphery of the patient's nose, the nasal cushion including a nasal opening (3103) configured to direct breathable gas to the patient's nares in use;
      a nasal plenum chamber (3202) and the nasal cushion forming a nasal gas chamber (3104); an oral cushion (3110) configured to contact and seal against the patient's face surrounding the patient's mouth, the oral cushion including an oral opening (3101) configured to direct breathable gas to the patient's mouth in use; an oral plenum chamber (3200) and the oral cushion forming an oral gas chamber (3102), the nasal gas chamber and the oral gas chamber being pneumatically connected within the cushion assembly; and an anterior opening positioned opposite the oral opening to receive breathable gas; a positioning and stabilizing structure (3300) including a pair of upper side straps (3310), a pair of lower side straps (3312), and a pair of clips (3314); and a unitary plate member removably connected to the cushion assembly, the unitary plate member including a connection port (3600) configured to be removably connected to an air delivery tube, the connection port being configured to receive breathable gas from the air delivery tube and direct breathable gas into the cushion assembly through the anterior opening for breathing by the patient during use, the unitary plate member including an upper portion (3206) having a pair of upper attachment features (3252) and a lower portion (3204) having a pair of lower attachment features (3250), each of the upper side straps being removably connected to a corresponding one of the upper attachment features, each of the lower side straps being removably connected to a corresponding one of the clips, each of the clips being removably connected to a corresponding one of the lower attachment features, and the upper portion of the unitary plate member contacting the nasal plenum chamber to support the nasal cushion against the patient's face in use.