# US 10,441,737 B2 · Strapless nasal interface device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,441,737 B2 - Document ID: US10441737B2 - Status: Granted - Kind: B2 - Application number: 15/905,503 - Filed: 2018-02-26 - Published: 2018-06-28 - Granted: 2019-10-15 - Earliest claimed: 2008-12-17 - Applicants: Venkata Buddharaju - Inventors: Venkata Buddharaju - Web page: https://patentgrep.com/patent/US10441737B2 ## CPC - 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)} - A61J 15/0053: {Means for fixing the tube outside of the body, e.g. by a special shape, by fixing it to the skin (holding devices, e.g. on the body A61M25/02, mouthpieces for tracheal tubes A61M16/0488; transcutaneous access sites A61M39/0247)} - A61M 16/0057: {Pumps therefor} - A61M 16/0605: {Means for improving the adaptation of the mask to the patient} - A61M 16/0616: {with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure} - A61M 16/0683: {Holding devices therefor} - A61M 16/0688: {by means of an adhesive} - A61M 16/0875: {Connecting tubes} - A61J 15/0003: {Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth} - A61M 16/0672: {Nasal cannula assemblies for oxygen therapy} - A61M 2016/0661: {with customised shape} - A61M 2205/0238: the material being a coating or protective layer - 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)} - A61J: CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE ## Abstract A nasal interface device configured to be positioned about a user's nose includes an air supply interface body including an air supply opening, at least one nasal opening, and first and second side slots and first and second elastic members extending through the first and second side slots, respectively, on the air supply interface body. Each of the first and second elastic members includes first and second adhesive means on an outer end thereof distal from the air supply interface body. The nasal interface device includes a bendable metallic member including a bridge portion between first and second ends, wherein the first and second elastic members attach to the first and second ends of the bendable metallic member, respectively. ## Claims ### Claim 1 A nasal interface device configured to be positioned about a nasal bone of a bridge, a first side, and a second side of a user's nose, comprising: an air supply interface body including an air supply opening, at least one nasal opening, and first and second attachment surfaces; a bendable metallic member including a bridge portion between first and second ends, wherein the bridge portion compresses downward over the nasal bone of the bridge of the user's nose and the bendable metallic member compresses downward toward the first and second sides of the user's nose; an adhesive secured to an underside of the bendable metallic member; a first elastic member having a first proximal end and a first portion, the first proximal end including a first coupling means for directly or indirectly attaching to the first end of the bendable metallic element, and the first portion engaging with the first attachment surface on the air supply interface body; and a second elastic member having a second proximal end and a second portion, the second proximal end including a second coupling means for directly or indirectly attaching to the second end of the bendable metallic element, and the second portion engaging with the second attachment surface on the air supply interface body; wherein each of the first and second elastic members has a Young's modulus of between about 0.01 and about 0.1 GPa; wherein each of the first and second elastic members are separate and apart from each other and the air supply interface body, and wherein the first and second portions of the first and second elastic members are adjustable in position on the air supply interface body; and wherein each of the first and second elastic members is pulled taut in order to form a seal where the air supply interface body meets the user's nose without needing straps extending around the user's head and neck. ### Claim 2 (depends on 1) The nasal interface device of claim 1, wherein each of the first and second elastic members has a length of between about 5 cm and about 6 cm. ### Claim 3 (depends on 1) The nasal interface device of claim 1, wherein each of the first and second elastic members comprises a rubber material. ### Claim 4 (depends on 1) The nasal interface device of claim 1, wherein each of the first and second elastic members comprises a woven elastic band. ### Claim 5 (depends on 1) The nasal interface device of claim 1, further comprising first and second rings connected to the first and second ends of the bendable metallic member, respectively, wherein the first and second elastic members extend through the first and second rings, respectively. ### Claim 6 (depends on 5) The nasal interface device of claim 5, wherein the first and second coupling means comprise a hook and loop material, and wherein each of the first and second elastic members including a corresponding hook and loop material to receive the first and second coupling means of the first and second elastic members, respectively. ### Claim 7 (depends on 5) The nasal interface device of claim 5, wherein each of the first and second coupling means has a length of at least about 3 cm. ### Claim 8 (depends on 1) The nasal interface device of claim 1, wherein each of the first and second elastic members extends from the first and second ends, respectively, of the bendable metallic member and through the first and second attachment surfaces, respectively. ### Claim 9 (depends on 8) The nasal interface device of claim 8, wherein each of the first and second coupling means comprise an adhesive tape configured to adhere to the user's nose. ### Claim 10 (depends on 1) The nasal interface device of claim 1, wherein each of the first and second coupling means comprise an adhesive tape configured to adhere to the user's nose. ### Claim 11 (depends on 10) The nasal interface device of claim 10, wherein each of the first and second coupling means has a length of about 3 cm. ### Claim 12 (depends on 1) The nasal interface device of claim 1, wherein the air supply interface connects to one of a ventilator, a continuous positive airway pressure (CPAP) machine, and a bilevel positive airway pressure (BiPAP) machine. ### Claim 13 A method of wearing a nasal interface device about a nasal bone of a bridge, a first side, and a second side of a user's nose, comprising the steps of: providing the nasal interface device comprising: an air supply interface body including an air supply opening, at least one nasal opening, and first and second attachment surfaces; a bendable metallic member including a bridge portion between first and second ends; an adhesive secured to an underside of the bendable metallic member; a first elastic member having a first proximal end and a first portion, the first proximal end including a first coupling means for directly or indirectly attaching to the first end of the bendable metallic element, and the first portion engaging with the first attachment surface on the air supply interface body; and a second elastic member having a second proximal end and a second portion, the second proximal end including a second coupling means for directly or indirectly attaching to the second end of the bendable metallic element, and the second portion engaging with the second attachment surface on the air supply interface body; wherein each of the first and second elastic members has a Young's modulus of between about 0.01 and about 0.1 GPa; wherein each of the first and second elastic members are separate and apart from each other and the air supply interface body, and wherein the first and second portions of the first and second elastic members are adjustable in position on the air interface body; compressing the bridge portion of the bendable metallic element downward over the nasal bone of the bridge and toward the first and second sides of the user's nose; positioning the air supply interface body about the user's nose, wherein the first and second attachment surfaces of the air supply interface body are adjacent to the first and second sides, respectively, of the user's nose; adjusting the first and second portions of the first and second elastic members on the air interface body; pulling the first and second elastic members taut in order to form a seal where the air supply interface body meets the user's nose; and securing each of the first and second coupling means to maintain the seal without needing straps extending around the user's head and neck. ### Claim 14 (depends on 13) The method of claim 13, wherein the first and second coupling means comprise a hook and loop material, and wherein each of the first and second elastic members including a corresponding hook and loop material to receive the first and second coupling means of the first and second elastic members, respectively. ### Claim 15 (depends on 13) The method of claim 13, further comprising the steps of: extending the first elastic member across the user's nose to position the first coupling means on the second side of the user's nose; and extending the second elastic member across the user's nose to position the second coupling means on the first side of the user's nose. ### Claim 16 (depends on 13) The method of claim 13, further comprising the steps of: extending the first coupling means across the bridge of the user's nose; and extending the second coupling means across the bridge of the user's nose. ### Claim 17 (depends on 1) The nasal interface device of claim 1, wherein the first portion of the first elastic member comprises a first distal end opposite the first proximal end, and wherein the second portion of the second elastic member comprises a second distal end opposite the second proximal end. ### Claim 18 (depends on 13) The method of claim 13, wherein the first portion of the first elastic member of the nasal interface device comprises a first distal end opposite the first proximal end, and wherein the second portion of the second elastic member of the nasal interface device comprises a second distal end opposite the second proximal end.