# US 10,369,315 B2 · Respiratory mask with molded frame and cushion > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,369,315 B2 - Document ID: US10369315B2 - Status: Granted - Kind: B2 - Application number: 14/976,006 - Filed: 2015-12-21 - Published: 2016-04-21 - Granted: 2019-08-06 - Earliest claimed: 2003-04-10 - Assignees: ResMed Pty Ltd - Applicants: ResMed Limited - Inventors: Michael Kassipillai Gunaratnam - Web page: https://patentgrep.com/patent/US10369315B2 ## CPC - A61M 16/0622: {having an underlying cushion} - A61M 16/0057: {Pumps therefor} - A61M 16/06: Respiratory or anaesthetic masks - A61M 16/0611: {with a gusset portion} - A61M 16/0616: {with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure} - A61M 16/0633: {with forehead support} - A61M 16/0638: {in the form of a pivot} - A61M 16/065: {in the form of a pivot} - A61M 16/0655: {in the form of a linear or curvilinear slide} - A61M 16/0683: {Holding devices therefor} - A61M 2207/00: Methods of manufacture, assembly or production - 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 fastener arrangement for securing at least two components together may include a male fastener with a first screw thread and a female fastener with a second screw thread, wherein one of the first screw thread and the second screw thread is a straight screw thread and the other of the first screw thread and the second screw thread is a hybrid screw thread that includes a tapered screw thread portion and a straight screw thread portion. ## Claims ### Claim 1 A respiratory mask configured to provide a supply of breathable gas to a patient's airways at a pressure elevated in the range of 4-20 cm H2O above atmospheric pressure to treat obstructive sleep apnea, the respiratory mask comprising: a mask frame formed from a first material, the mask frame further comprising an air inlet portion, the air inlet portion configured to be connected to an air supply conduit to receive the supply of breathable gas; and a mask cushion formed from a second material, the mask cushion being shaped to substantially conform to the facial regions of the patient, wherein the first material is different from the second material, wherein the second material is more flexible and more resilient than the first material such that the mask cushion is configured to seal against the facial regions of a variety of patients, and wherein the mask frame and the mask cushion comprise a one piece construction having a permanent, overmolded connection between the first material and the second material. ### Claim 2 (depends on 1) The respiratory mask of claim 1, wherein the first material and the second material do not readily form a chemical bond. ### Claim 3 (depends on 1) The respiratory mask of claim 1, wherein the mask frame further comprises a plurality of strap attachment portions provided on the mask frame for attaching straps to the respiratory mask to secure the respiratory mask to the head of the patient. ### Claim 4 (depends on 1) The respiratory mask of claim 1, wherein the mask frame includes portions for attaching to headgear or straps to secure the respiratory mask to the head of the patient. ### Claim 5 (depends on 1) The respiratory mask of claim 1, wherein the respiratory mask is a full-face mask or a nasal mask. ### Claim 6 (depends on 1) The respiratory mask of claim 1, wherein the mask frame further comprises a forehead support. ### Claim 7 (depends on 6) The respiratory mask of claim 6, further comprising a forehead pad attached to the forehead support. ### Claim 8 (depends on 1) The respiratory mask of claim 1, further comprising a vent. ### Claim 9 (depends on 1) A respiratory mask system configured to provide a supply of breathable gas to a patient's airways at a pressure elevated in the range of 4-20 cm H2O above atmospheric pressure to treat obstructive sleep apnea, the respiratory mask system comprising: the respiratory mask of claim 1; and headgear or straps to secure the respiratory mask to the patient's head in use. ### Claim 10 A method of making a respiratory mask configured to provide a supply of breathable gas to a patient's airways at a pressure elevated in the range of 4-20 cm H2O above atmospheric pressure to treat obstructive sleep apnea, the respiratory mask comprising: permanently bonding together and joining by overmolding a first material and a second material together in a single process to form the respiratory mask in a single piece, wherein a mask frame is formed from the first material, the mask frame further comprising an air inlet portion, the air inlet portion configured to be connected to an air supply conduit to receive the supply of breathable gas, wherein a mask cushion is formed from the second material, the mask cushion being shaped to substantially conform to the facial regions of the patient, wherein the first material is different from the second material, wherein the second material is more flexible and more resilient than the first material such that the mask cushion is configured to seal against the facial regions of a variety of patients. ### Claim 11 (depends on 10) The method of claim 10, wherein the first material and the second material do not readily form a chemical bond. ### Claim 12 (depends on 10) The method of claim 10, further comprising forming a plurality of strap attachment portions on the mask frame for attaching straps to the respiratory mask to secure the respiratory mask to the head of the patient. ### Claim 13 (depends on 10) The method of claim 10, further comprising forming portions on the mask frame for attaching to headgear or straps to secure the respiratory mask to the head of the patient. ### Claim 14 (depends on 10) The method of claim 10, wherein the respiratory mask is a full-face mask or a nasal mask. ### Claim 15 (depends on 10) The method of claim 10, further comprising forming a forehead support on the mask frame. ### Claim 16 (depends on 15) The method of claim 15, further comprising attaching a forehead pad to the forehead support. ### Claim 17 (depends on 10) The method of claim 10, further comprising forming a vent on the respiratory mask. ### Claim 18 A respiratory mask configured to provide a supply of breathable gas to a patient's airways at a pressure elevated in the range of 4-20 cm H2O above atmospheric pressure to treat obstructive sleep apnea, the respiratory mask comprising: a mask frame formed from a first material, the mask frame further comprising an air inlet portion, the air inlet portion configured to be connected to an air supply conduit to receive the supply of breathable gas; and a mask cushion formed from a second material, the mask cushion being shaped to substantially conform to the facial regions of the patient, wherein the first material is different from the second material, wherein the second material is more flexible and more resilient than the first material such that the mask cushion is configured to seal against the facial regions of a variety of patients, and wherein the mask frame and the mask cushion are permanently joined together by a direct, mechanical bond between the first material and the second material in a single process to form a single piece. ### Claim 19 (depends on 18) The respiratory mask of claim 18, wherein the first material and the second material do not readily form a chemical bond. ### Claim 20 (depends on 18) The respiratory mask of claim 18, wherein the mask frame further comprises a plurality of strap attachment portions provided on the mask frame for attaching straps to the respiratory mask to secure the respiratory mask to the head of the patient. ### Claim 21 (depends on 18) The respiratory mask of claim 18, wherein the mask frame includes portions for attaching to headgear or straps to secure the respiratory mask to the head of the patient. ### Claim 22 (depends on 18) The respiratory mask of claim 18, wherein the respiratory mask is a full-face mask or a nasal mask. ### Claim 23 (depends on 18) The respiratory mask of claim 18, wherein the mask frame further comprises a forehead support. ### Claim 24 (depends on 23) The respiratory mask of claim 23, further comprising a forehead pad attached to the forehead support. ### Claim 25 (depends on 18) The respiratory mask of claim 18, further comprising a vent. ### Claim 26 (depends on 18) A respiratory mask system configured to provide a supply of breathable gas to a patient's airways at a pressure elevated in the range of 4-20 cm H2O above atmospheric pressure to treat obstructive sleep apnea, the respiratory mask system comprising: the respiratory mask of claim 18; and headgear or straps to secure the respiratory mask to the patient's head in use. ### Claim 27 (depends on 1) The respiratory mask of claim 1, wherein the permanent, overmolded connection between the first material and the second material is at an interface between the first material and the second material. ### Claim 28 (depends on 10) The method of claim 10, wherein the first material and the second material are permanently bonded together and joined by overmolding at an interface between the first material and the second material. ### Claim 29 (depends on 18) The respiratory mask of claim 18, wherein the direct, mechanical bond between the first material and the second material is at an interface between the first material and the second material.