Forehead support for facial mask
First Claim
Patent Images
1. A mask assembly for delivering a flow of pressurized breathable gas to a patient, comprising:
- a face contact portion configured to engage the patient'"'"'s face and encompass at least the patient'"'"'s nostrils;
a forehead support connected to the face contacting portion;
a pad formed of deformable material, comprisingan outer wall having a first side configured to engage a user'"'"'s forehead and a second side having engaged surfaces configured to rest against engaging surfaces of the forehead support;
at least one retaining wall provided between the first side and the second side; and
at least one retained portion configured to be retained by a retainer formed on the forehead support, wherein a space is defined between the outer wall and the engaged surfaces, the space comprises a substantially constant cross sectional profile, and the outer wall, the at least one retaining wall, and the engaged surfaces are formed of a deformable elastomeric material, wherein deformation of the pad occurs by deflection of at least the outer wall and the at least one retaining wall; and
a headgear configured to maintain the face contact portion in contact with the patient'"'"'s face and the pad in contact with the patient'"'"'s forehead.
1 Assignment
0 Petitions
Accused Products
Abstract
An adjustable forehead support for a nasal mask. The present invention discloses an adjustable forehead support for a nasal or full-face mask wherein the forehead support may be adjusted for the different shapes and sizes of a facial profile. The forehead support utilizes a dual-arm system which adjusts the position of the forehead support vis-à-vis the mask and/or air flow tube. The angle of the mask to the face may be adjusted with the present invention.
205 Citations
45 Claims
-
1. A mask assembly for delivering a flow of pressurized breathable gas to a patient, comprising:
-
a face contact portion configured to engage the patient'"'"'s face and encompass at least the patient'"'"'s nostrils; a forehead support connected to the face contacting portion; a pad formed of deformable material, comprising an outer wall having a first side configured to engage a user'"'"'s forehead and a second side having engaged surfaces configured to rest against engaging surfaces of the forehead support; at least one retaining wall provided between the first side and the second side; and at least one retained portion configured to be retained by a retainer formed on the forehead support, wherein a space is defined between the outer wall and the engaged surfaces, the space comprises a substantially constant cross sectional profile, and the outer wall, the at least one retaining wall, and the engaged surfaces are formed of a deformable elastomeric material, wherein deformation of the pad occurs by deflection of at least the outer wall and the at least one retaining wall; and a headgear configured to maintain the face contact portion in contact with the patient'"'"'s face and the pad in contact with the patient'"'"'s forehead. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A mask for delivering a flow of pressurized breathable gas to a patient, comprising:
-
a shell defining a chamber adapted to fit over the nose and mouth of the patient; a facial cushion connected to the shell and adapted to sealingly engage the patient'"'"'s face; a forehead support connected to the shell, the forehead support comprising two annular spaces, each annular space being configured to receive an end of a first strap of a headgear attachable to the mask; and a forehead pad formed of deformable material, comprising an outer wall having a first side configured to engage a user'"'"'s forehead and a second side having engaged surfaces configured to rest against engaging surfaces of the forehead support; at least one retaining wall provided between the first side and the second side; and at least one retained portion configured to be retained by a retainer formed on the forehead support, wherein a space is defined between the outer wall and the engaged surfaces, the space comprises a substantially constant cross sectional profile, and the outer wall, the at least one retaining wall, and the engaged surfaces are formed of a deformable elastomeric material, wherein deformation of the pad occurs by deflection of at least the outer wall and the at least one retaining wall. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
-
-
30. A mask for delivering a flow of pressurized breathable gas to a patient, comprising:
- a shell defining a chamber adapted to fit over the nose and mouth of the patient;
a facial cushion connected to the shell and adapted to sealingly engage the patient'"'"'s face;
a forehead support connected to the shell, the forehead support comprising two annular spaces, each annular space being configured to receive an end of a first strap of a headgear attachable to the mask; and
a pad for the forehead support, the pad comprising;
an open-ended annular member including an outer wall structured to engage a user'"'"'s forehead;
an inner wall, opposite to the outer wall, structured to be attached to the forehead support; anda space defined between the inner and outer walls, wherein the outer wall and the inner wall are made of a deformable elastomeric material that retains its shape, wherein deformation of the pad occurs by deflection of at least the outer wall. - View Dependent Claims (31, 32, 33, 34)
- a shell defining a chamber adapted to fit over the nose and mouth of the patient;
-
35. A mask assembly for delivering a flow of pressurized breathable gas to a patient, comprising:
-
a face contact portion configured to engage the patient'"'"'s face and encompass at least the patient'"'"'s nostrils; a forehead support connected to the face contacting portion; pad for the forehead support, the pad comprising; an outer wall configured to contact a user'"'"'s forehead, the outer wall having a first end and a second end; an inner wall extending between the first end and the second end of the outer wall, the inner wall being structured to be attached to the forehead support, and the outer wall being spaced from the inner wall between the first end and the second end so as to define an open space; and a first retaining wall and a second retaining wall extending between the inner wall and the outer wall between the first end, wherein the first and second retaining walls divide the space into first, second and third sub-spaces and the inner wall, the outer wall, the first retaining wall and the second retaining wall are formed of an elastomeric material, wherein deformation of the pad occurs by deflection of at least the outer wall and at least one of the first retaining wall and the second retaining wall; and a headgear configured to maintain the face contact portion in contact with the patient'"'"'s face and the pad in contact with the patient'"'"'s forehead. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
-
Specification