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US 8,042,541 B2Granted
Mask brace and mask assembly
AssigneeResMed Limited
InventorsAmal Shirley Amarasinghe, Robert Henry Frater
Life of this patent
Estimating the term…
Abstract
A patient mask assembly for positive pressure ventilation includes a brace (12) which clips to the mask and provides attachment locations (17) for headgear straps (14) in alternative positions to those attachment locations (17) which may be provided by the mask. The brace may also provide a mask stabilizing portion (20).
Claims25
A patient airway interface assembly, comprising:
- a mask shell configured to cover at least the patient's nose, the mask shell including a first set of headgear connection points;
- a cushion attached to the mask shell and configured to sealingly engage the patient's face;
- and
- a brace comprising an elongate member configured to engage the mask shell at a fixed predetermined position with respect to the mask shell, wherein the brace is shaped so as to be retainingly engageable with and detachable from the mask shell and includes a second set of headgear connection points, the elongate member being shaped so as to be engageable by formations on the mask shell, wherein the elongate member is configured to extend around the entire perimeter of the mask shell.
1 more element
A patient airway interface assembly, comprising:
- a rigid shell configured to cover the nose and the mouth of the patient, the shell comprising a first side configured to face the patient in use and a second side opposite the first side, the first side comprising a peripheral flange extending around a perimeter of the shell, the second side comprising two headgear strap attachment formations configured to attach straps of a headgear to the second side of the shell, the two headgear strap attachment formations being provided on opposite sides of a central axis of the shell and integrally formed with the shell, the shell further comprising an aperture provided between the two headgear strap attachment formations and configured to receive an elbow;
- a cushion attached to the peripheral flange, the cushion being configured to form a seal with the patient's face in use;
- an elongate, continuous member extending around the perimeter of the shell, the elongate, continuous member being rigidly engaged with the mask shell between the peripheral flange and the two headgear strap attachment formations and assuming a substantially constant position relative to the mask shell, wherein the elongate, continuous member is shaped so as to be retainingly engageable with and detachable from the mask shell.
Dependencies are inferred from the claim text.