# US 2014/0196720 A1 · Nasal cushion including a confortable septum/nare seal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0196720 A1 - Document ID: US20140196720A1 - Status: Published application - Kind: A1 - Application number: 14/239,269 - Filed: 2012-08-09 - Published: 2014-07-17 - Earliest claimed: 2011-08-24 - Assignees: Koninklijke Philips N.V. - Inventors: Matthew Paul Eury - Web page: https://patentgrep.com/patent/US20140196720A1 ## CPC - A61M 16/0611: {with a gusset portion} - A61M 16/06: Respiratory or anaesthetic masks - A61M 16/0616: {with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure} - A61M 16/0622: {having an underlying cushion} - A61M 16/0633: {with forehead support} - A61M 2210/0618: Nose - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} ## Abstract A cushion (16) for use with a mask in delivering a flow of breathing gas to a user includes a first portion (38) adapted to be coupled to a mask shell (22), a second portion (36) adapted to contact a surface of a user, and a wall portion (40) extending between the first portion and the second portion. The second portion includes a septum region (50) and an alare region (52), the septum region being adapted to curl back a first distance (d1) from the user responsive to the cushion being donned by a user, and the alare region being adapted to curl back a second distance (d2) from the user responsive to the cushion being donned by a user, the first distance being greater than the second distance. ## Claims ### Claim 1 A cushion comprising: a first portion adapted to be coupled to a mask shell a second portion adapted to contact a surface of a user; and a wall portion extending between the first portion and the second portion, wherein the second portion comprises a septum region and alare regions disposed on either side of the septum region, wherein each alare region comprises a notched region positioned to be disposed adjacent to, without overlapping any portion of a nostril of the user when the cushion is donned by the user, wherein the septum region is adapted to curl back a first distance (d1) from the user responsive to the cushion being donned by the user, wherein the alare regions are adapted to curl back a second distance (d2) from the user responsive to the cushion being donned by the user, and wherein the first distance is greater than the second distance. ### Claim 2 (depends on 1) The cushion of claim 1, wherein the alare regions are adapted to rest at or about the right and left alar base (B) of a user upon which the cushion is donned. ### Claim 3 (canceled) ### Claim 4 (depends on 1) The cushion of claim 1, wherein the septum region comprises a protrusion disposed generally between, and defined in-part by, the notched regions, the protrusion being adapted to be disposed adjacent to, and in contact with, the subnasale (A) of the user and extend generally away from the user when the cushion is donned by the user. ### Claim 5 (depends on 1) The cushion of claim 1, wherein the septum region is bendable from: a first, generally linear position prior to the cushion being donned by the user; and a second, generally curled position when the cushion has been donned by the user. ### Claim 6 (depends on 1) The cushion of claim 1, wherein the first portion comprises a mounting member formed separately from, and coupled sealingly to, the cushion. ### Claim 7 A patient interface device comprising: a mask shell adapted to receive a flow of breathing gas; and a cushion comprising: a first portion coupled to the mask shell; a second portion adapted to contact a surface of a user; and a wall portion extending between the first portion and the second portion, wherein the second portion comprises a septum region and alare regions disposed on either side of the septum region, wherein each alare region comprises a notched region positioned to be disposed adjacent to, without overlapping any portion of, a nostril of the user when the cushion is donned by the user, wherein the septum region is adapted to curl back a first distance (d1) from the user responsive to the cushion being donned by the user, wherein the alare regions are adapted to curl back a second distance (d2) from the user responsive to the cushion being donned by the user, and wherein the first distance is greater than the second distance. ### Claim 8 (depends on 7) The patient interface device of claim 7, wherein the alare regions are adapted to rest at or about the right or left alar base (B) of the user upon which the cushion is donned. ### Claim 9 (canceled) ### Claim 10 (depends on 7) The patient interface device of claim 7, wherein the septum region comprises a protrusion disposed generally between, and defined in-part by, the notched regions, the protrusion being adapted to be disposed adjacent to, and in contact with, the subnasale (A) of the user and extend generally away from the user when the cushion is donned by the user. ### Claim 11 (depends on 7) The patient interface device of claim 7, wherein the septum region is bendable from: a first, generally linear position prior to the cushion being donned by the user; and a second, generally curled position when the cushion has been donned by the user.