US 9,375,545 B2 · Respiratory mask assembly

Abstract

A respiratory mask assembly includes a frame, a forehead support, and an adjustment mechanism including a single finger-operated push button to allow selective adjustment of the forehead support relative to the frame. The frame includes a support arm and a housing provided to a free end of the support arm. The housing includes a front side including a closed configuration, a rear side, and a receiving space extending from the rear side and structured to slidably receive a slider of the forehead support. The forehead support is slidably mounted for linear movement in a direction which is substantially perpendicular to a longitudinal axis of the support arm. The single finger-operated push button includes a portion that extends through an opening provided in a top side of the housing.

Claims42

Dependent claims

A respiratory mask assembly for treatment of sleep disordered breathing, the respiratory mask assembly comprising:

a frame;
a cushion which at least in part defines a cavity,
wherein the cushion provides an aperture capable of receiving at least a patient's nose, and
wherein the cushion includes:
a face contacting portion,
a non-face contacting portion, and
a gusset portion between the face contacting portion and the non-face contacting portion,
wherein the gusset portion includes an underside notch configured to provide flexibility and increased travel at a nasal bridge region of the cushion;
and
an air delivery connection supported by the frame and adapted to connect an air delivery conduit to supply air to the cavity,
wherein the gusset portion has a greater projected outer area than the non-face contacting portion at the nasal bridge region, and
wherein the gusset portion includes a hanging portion that, when seen in cross-section, hangs over an adjacent exterior surface of the cushion.

9 more elements

A respiratory mask assembly for treatment of sleep disordered breathing, the respiratory mask assembly comprising:

a frame;
a cushion which at least in part defines a cavity,
wherein the cushion provides an aperture capable of receiving at least a patient's nose, and
wherein the cushion includes:
a face contacting portion,
a non-face contacting portion, and
a gusset portion between the face contacting portion and the non-face contacting portion,
wherein the gusset portion includes an underside notch configured to provide flexibility and increased travel at a nasal bridge region of the cushion;
and
an air delivery connection supported by the frame and adapted to connect an air delivery conduit to supply air to the cavity,
wherein the gusset portion includes a hanging portion that, when seen in cross-section, hangs over an adjacent exterior surface of the cushion, and
wherein the gusset portion includes only a single gusset that protrudes laterally outwardly with respect to the non-face contacting portion.

9 more elements

A respiratory mask assembly for treatment of sleep disordered breathing, the respiratory mask assembly comprising:

a frame;
a cushion which at least in part defines a cavity,
wherein the cushion provides an aperture capable of receiving at least a patient's nose, and
wherein the cushion includes:
a face contacting portion,
a non-face contacting portion, and
a gusset portion between the face contacting portion and the non-face contacting portion, the gusset portion configured and arranged to protrude laterally outwardly with respect to the non-face contacting portion,
wherein the gusset portion includes an underside notch configured to provide flexibility and increased travel at a nasal bridge region of the cushion;
a reinforcing member provided between the gusset portion and the face contacting portion at the nasal bridge region of the cushion;
and
an air delivery connection supported by the frame and adapted to connect an air delivery conduit to supply air to the cavity,
wherein the gusset portion includes a hanging portion that, when seen in cross-section, hangs over an adjacent exterior surface of the cushion.

9 more elements

Dependencies are inferred from the claim text.

Respiratory mask assembly

Life of this patent

Respiratory mask assembly

Life of this patent

Abstract

Claims42