Mask

• US 20090032026A1
• Filed: 06/04/2008
• Published: 02/05/2009
• Est. Priority Date: 08/02/2007
• Status: Active Grant

• Current Assignee: ResMed Pty Ltd. (ResMed Incorporated)
• Original Assignee: Resmed Limited (ResMed Incorporated)
• Inventors: Price, Andrew, Veliss, Lee James, Lubke, Steven John, Kwok, Philip Rodney, Scheiner, Rupert Christian, Ng, Eva
• Granted Patent: US 8,757,157 B2
• Time in Patent Office: Days
• US Class Current: 128/207.110
• CPC Class Codes: A61M 16/0057 Pumps therefor
• CPC Class Codes: A61M 16/06 Respiratory or anaesthetic masks
• CPC Class Codes: A61M 16/0605 Means for improving the adaptation of the mask to the patient
• CPC Class Codes: A61M 16/0611 with a gusset portion
• CPC Class Codes: A61M 16/0622 having an underlying cushion
• CPC Class Codes: A61M 16/0633 with forehead support
• CPC Class Codes: A61M 16/0666 Nasal cannulas or tubing devices for improving normal breathing through the nose A61F5/08; nose filters A62B23/06; outside holding devices A61M25/02
• CPC Class Codes: A61M 16/0683 Holding devices therefor
• CPC Class Codes: A61M 16/0816 Joints or connectors
• CPC Class Codes: A61M 16/0825 with ball-sockets
• CPC Class Codes: A61M 16/0875 Connecting tubes
• CPC Class Codes: A61M 2210/0618 Nose
• CPC Class Codes: A61M 2210/0625 Mouth

Abstract

A mask for delivery of respiratory therapy to a patient may include one or more of the following improvements: rigidizer provided to headgear strap, locking clip/clip receptacle headgear connection, keyed headgear buckles, lotion dispenser on frame, rotatable prongs to adjust orientation, alignment indicators provided to prong, cushion and/or frame, chin flap with bellows arrangement, vent holes positioned away from gas entry port, and vent holes to direct washout gas at an angle.

Claims

1. A mask comprising:

a frame;

a facial and nasal interface provided to the frame; and

headgear provided to the frame to maintain the mask in a desired position on the patient'"'"'s face,

the headgear including at least one strap and a buckle provided to the strap, the buckle including an opening adapted to engage a post provided on the frame,

wherein the opening and/or the post includes a keyed portion structured to prevent rotation of the buckle with respect to the post when the buckle is engaged with the post.

2. A mask comprising:

a frame;

a facial and nasal interface provided to the frame; and

a lotion dispenser or moisturizer provided to frame and adapted to dispense lotion for lubricating and/or moisturizing the facial and/or nasal interface.

3. The mask according to claim 2, wherein the facial interface includes a cushion adapted to form a seal around an exterior of the patient'"'"'s mouth in use.

4. The mask according to claim 2, wherein the nasal interface includes nasal prongs adapted to from a seal with the patient'"'"'s nasal passages in use.

5. A mask comprising:

a frame;

a cushion provided to the frame and adapted to form a seal around an exterior of the patient'"'"'s mouth in use; and

nasal prongs provided to the cushion and adapted to from a seal with the patient'"'"'s nasal passages in use,

wherein each of the nasal prongs is adapted to rotate relative to the cushion to change the angle at which the nasal prong extends with respect to the cushion.

6. The mask according to claim 5, wherein each of the nasal prongs includes a sloped end that engages a sloped base provided to the cushion such that rotation of the nasal prong is adapted to rotate the sloped end relative to the sloped base which changes the angle at which the prong extends with respect to the cushion.

7. A mask comprising:

a frame;

a cushion provided to the frame and adapted to form a seal around an exterior of the patient'"'"'s mouth in use; and

a chin portion or chin flap provided to the cushion and adapted to engage the patient'"'"'s chin in use,

wherein the chin portion or chin flap includes a bellows arrangement structured to allow movement of the patient'"'"'s chin in use.