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US 2022/0176055 A1Published application
Nasal mask system
AssigneeResMed Pty Ltd
InventorsMatthew EVES, Memduh GUNEY, Rupert Christian SCHEINER
Life of this patent
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Abstract
A mask system includes a cushion for a mask that seals at its upper extent in a region of the nose that is generally above the tip of the nose or pronasale, and extends across a portion of the cartilaginous framework, alar or flares of the patient's nose, e.g., not extending over or across the nasal bone of the patient's nose.
Claims20
A patient interface for applying a supply of air at positive pressure to the entrance of a patient's airways, the patient interface comprising:
- (i) a nasal mask having a seal forming portion constructed and arranged to form a seal on a portion of an upper lip of a patient, and to form a seal on a portion of a cartilaginous framework of the patient's nose, the nasal mask further having a plenum chamber that receives in use a portion of the patient's nose including the pronasale;
- and
- (ii) a positioning and stabilising structure including a pair of side straps that provide a two-point connection to the nasal mask and being constructed and arranged to be donned or removed without the side straps passing inferior to the patient's ears.
A method for fitting a patient interface to a patient comprising:
- positioning a sealing region of the patient interface with respect the patient's nose such that the sealing region surrounds both nares;
- and
- engaging headgear straps of the patient interface with the patient's head without passing straps inferior to the patient's ears.
A nasal mask system, comprising:
- a cushion assembly including a sealing region that provides a single orifice adapted to surround both nares of the patient's nose;
- and
- a headgear assembly including a pair of side straps and a rear strap, the side straps adapted to extend along sides of the patient's face between the patient's eyes and ears and engage respective headgear connectors provided to the cushion assembly to provide a two-point connection with the cushion assembly, and the rear strap extending between the side straps and adapted to engage along a back or posterior region of the patient's head along, below or inferior to the occipital bone.
Dependencies are inferred from the claim text.