# US 10,307,243 B2 · Dual membrane airway valve > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,307,243 B2 - Document ID: US10307243B2 - Status: Granted - Kind: B2 - Application number: 15/432,023 - Filed: 2017-02-14 - Published: 2017-10-05 - Granted: 2019-06-04 - Earliest claimed: 2016-03-29 - Assignees: Spiration, Inc. - Applicants: Spiration, Inc. - Inventors: Erik Liljegren; Clinton L. Finger; Alexis Jensen - Web page: https://patentgrep.com/patent/US10307243B2 ## CPC - A61F 2/04: Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts (A61F2/18, A61F2/20 take precedence; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95) - A61B 17/12104: {in an air passage} - A61B 17/12172: {having a pre-set deployed three-dimensional shape (methods of manufacturing A61B2017/00526)} - A61F 2/2476: {Valves implantable in the body not otherwise provided for} - A61B 17/12177: {comprising additional materials, e.g. thrombogenic, having filaments, having fibers or being coated} - A61F 2/24: Heart valves {; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body} - A61F 2002/043: {Bronchi} - A61F 2220/0016: with sharp anchoring protrusions, e.g. barbs, pins, spikes - A61F 2220/0091: connected by a hinged linkage mechanism, e.g. of the single-bar or multi-bar linkage type - A61F 2230/0093: Umbrella-shaped, e.g. mushroom-shaped - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A valve comprising: (a) a rod, (b) a plurality of struts in communication with the rod and extending generally radially outward away from the rod in a deployed state, the plurality of struts including at least: (i) a plurality of first struts that extend radially outward from the rod a first distance, and (ii) a plurality of second struts that extend radially outward a second distance from the rod, wherein the second distance is less than the first distance; and (c) one or more membranes that are in communication with the first struts, the second struts, or both. ## Claims ### Claim 1 A valve comprising: a. a rod, b. a plurality of struts in communication with the rod and extending generally radially outward away from the rod in a deployed state, the plurality of struts including at least: i. a plurality of first struts that extend radially outward from the rod a first distance, and ii. a plurality of second struts that extend radially outward a second distance from the rod, wherein the second distance is less than the first distance; and c. one or more membranes that are in communication with the first struts, the second struts, or both; and wherein one of the one or more membranes are in communication with the plurality of first struts, and a second of the one or more membranes is in communication with the plurality of second struts. ### Claim 2 (depends on 1) The valve of claim 1, wherein the valve includes a distal end and a proximal end and the plurality of second struts are in communication with the rod at a location closer to the proximal end than the plurality of first struts are in communication with the rod. ### Claim 3 (depends on 1) The valve of claim 1, wherein the plurality of second struts and the plurality of first struts all have a length and the length of the plurality of first struts is equal to or less than the length of the plurality of second struts. ### Claim 4 (depends on 1) The valve of claim 1, wherein the plurality of first struts and the plurality of second struts are aligned. ### Claim 5 (depends on 1) The valve of claim 1, wherein the plurality of first struts and the plurality of second struts are offset relative to each other. ### Claim 6 (depends on 1) The valve of claim 1, wherein one or more base members connect the plurality of struts to the rod. ### Claim 7 (depends on 6) The valve of claim 6, wherein the plurality of first struts are connected to one of the one or more base members, and the plurality of second struts are connected to a second of the one or more base members. ### Claim 8 (depends on 1) The valve of claim 1, wherein the valve has a valve section and an anchor section. ### Claim 9 (depends on 8) The valve of claim 8, wherein the valve section and the anchor section are one unitary piece. ### Claim 10 (depends on 8) The valve of claim 8 wherein the valve section and the anchor section are connected by a hinge point that includes a pair of interconnects connected together. ### Claim 11 (depends on 8) The valve of claim 8, wherein the valve section and the anchor section are connected by a hinge point that is a ball and socket connected together. ### Claim 12 (depends on 8) The valve of claim 8, wherein the valve section and the anchor section are connected by a hinge point that is a coil spring. ### Claim 13 (depends on 1) The valve of claim 1, wherein the membrane has a modulus of elasticity of between 0.0100 GPa to 0.0200 GPa. ### Claim 14 (depends on 1) The valve of claim 1, wherein at least one of the materials of the membrane is silicone. ### Claim 15 A valve comprising: a. a rod, b. a plurality of struts in communication with the rod and extending generally radially outward away from the rod in a deployed state, the plurality of struts including at least: i. a plurality of first struts that extend radially outward from the rod a first distance, and ii. a plurality of second struts that extend radially outward a second distance from the rod, wherein the second distance is less than the first distance; and c. one or more membranes that are in communication with the first struts, the second struts, or both; wherein the plurality of second struts support the one or more membranes when the plurality of first struts are compressed so that the one or more membranes are moved into contact with a structure and the valve forms a seal with the structure. ### Claim 16 (depends on 15) The valve of claim 15, wherein the plurality of second struts are free of the one or more membranes. ### Claim 17 (depends on 15) The valve of claim 15, wherein the valve includes a distal end and a proximal end and the plurality of second struts are in communication with the rod at a location closer to the proximal end than the plurality of first struts are in communication with the rod; wherein the valve has a valve section and an anchor section; and wherein at least one of the materials of the membrane is silicone. ### Claim 18 (depends on 15) The valve of claim 15, wherein the plurality of first struts and the plurality of second struts are aligned. ### Claim 19 (depends on 17) The valve of claim 17, wherein the valve section and the anchor section are one unitary piece. ### Claim 20 (depends on 15) The valve of claim 15, wherein the valve section and the anchor section are connected by a hinge point that is a coil spring. ### Claim 21 A valve comprising: a. a rod, b. a plurality of struts in communication with the rod and extending generally radially outward away from the rod in a deployed state, the plurality of struts including at least: i. a plurality of first struts that extend radially outward from the rod a first distance, and ii. a plurality of second struts that extend radially outward a second distance from the rod, wherein the second distance is less than the first distance; and c. one or more membranes that are in communication with the first struts, the second struts, or both; wherein the one or more base members connect the one or plurality of struts to the rod; the one or more base members are a single base member; and both the plurality of second struts and the plurality of first struts are connected to the single base member. ### Claim 22 (depends on 21) The valve of claim 21, wherein the valve includes a distal end and a proximal end and the plurality of second struts are in communication with the rod at a location closer to the proximal end than the plurality of first struts are in communication with the rod; wherein the valve has a valve section and an anchor section; and wherein at least one of the materials of the membrane is silicone. ### Claim 23 (depends on 22) The valve of claim 22, wherein the valve section and the anchor section are one unitary piece. ### Claim 24 (depends on 21) The valve of claim 21, wherein the valve section and the anchor section are connected by a hinge point that includes a pair of interconnects connected together.