# US 10,368,976 B2 · Implantable anchoring device and methods of use > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,368,976 B2 - Document ID: US10368976B2 - Status: Granted - Kind: B2 - Application number: 15/954,757 - Filed: 2018-04-17 - Published: 2019-07-04 - Granted: 2019-08-06 - Earliest claimed: 2018-01-03 - Assignees: Allium Medical Solutions Ltd. - Applicants: Allium Medical Solutions LTD. - Inventors: Ziv Kalfon - Web page: https://patentgrep.com/patent/US10368976B2 ## 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) - A61F 5/0036: {Intragastrical devices} - A61F 5/0076: {preventing normal digestion, e.g. Bariatric or gastric sleeves} - A61L 31/022: {Metals or alloys} - A61L 31/10: Macromolecular materials - A61F 2002/045: {Stomach, intestines} - A61F 2220/0008: Fixation appliances for connecting prostheses to the body - A61F 2220/0033: made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit - A61F 2230/0065: toroidal, e.g. ring-shaped, doughnut-shaped - A61F 2240/001: Designing or manufacturing processes - 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) - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) ## Abstract An implantable device consisting of a plurality of links and configured to be in one of two modes, either flexible in at least one plane or rigid in all planes. The implantable device is inserted into a body cavity in the flexible mode and transformed to the rigid mode resembling a figure eight and anchoring the device in the body cavity. ## Claims ### Claim 1 An implantable device comprising: a plurality of links; a device closure pin; a lock-in unit attached and located between two links; and a release unit attached and located between two links; wherein the plurality of links, lock-in unit and release unit construct a closed contour; and wherein the implantable device is in a flexible state when the device closure pin is coupled to the lock-in unit or the release unit and a rigid state when the device closure pin is attached to both the lock-in unit and the release unit; and wherein the lock-in unit includes a receptacle structured as a slotted spring washer and configured to receive and hold a snap-in segment of the device closure pin. ### Claim 2 (depends on 1) The implantable device of claim 1 wherein all link surfaces are atraumatic surfaces comprised of titanium. ### Claim 3 (depends on 2) The implantable device of claim 2 wherein the atraumatic surfaces of the links further include a polytetrafluoroethylene coating or overcoat. ### Claim 4 (depends on 1) The implantable device of claim 1 wherein the plurality of links are fabricated using additive manufacturing processes. ### Claim 5 (depends on 1) The implantable device of claim 1 wherein the plurality of links are comprised of at least a base; an attachment axis and one or more pin holes. ### Claim 6 (depends on 5) The implantable device of claim 5 wherein a base and attachment axis of one link which is located in a pin hole of a second link are fabricated concurrently using additive manufacturing processes. ### Claim 7 (depends on 1) The implantable device of claim 1 wherein the device closure pin includes an angled tip configured for insertion and lock-in into the receptacle. ### Claim 8 (depends on 1) The implantable device of claim 1 wherein the release unit includes an extractable pin attaching the device closure pin to the release unit and removal of the extractable pin releases the device closure pin from the release unit. ### Claim 9 (depends on 1) The implantable device of claim 1 wherein the closed contour of the implantable device in a rigid state is oval and comprised of two arcs and two interconnecting sections where a radius of the interconnecting sections is at least five times the radius of the arcs. ### Claim 10 (depends on 1) The implantable device of claim 1 wherein the closed contour of the implantable device in a rigid state is oval and comprised of two arcs and two interconnecting sections where the two interconnecting sections are substantially straight. ### Claim 11 (depends on 1) The implantable device of claim 1 wherein the closed contour of the implantable device in a rigid state is a figure eight comprised of two arcs and two connected interconnecting sections. ### Claim 12 An implantable device comprising: a plurality of links constructing a closed loop wherein each link is connected to two other links; and a device closure pin; wherein the implantable device is flexible when only one side of the device closure pin is attached to a link and rigid when both sides of the device closure pin are attached to a link; and wherein at least one link includes a receptacle with a slotted spring washer configured to receive and hold a snap-in segment of the device closure pin. ### Claim 13 (depends on 12) The implantable device of claim 12 wherein all link surfaces are atraumatic surfaces comprised of titanium and wherein atraumatic properties of the plurality of links further include a polytetrafluoroethylene coating or overcoat. ### Claim 14 (depends on 12) The implantable device of claim 12 wherein the plurality of links are fabricated using additive manufacturing processes. ### Claim 15 (depends on 12) The implantable device of claim 12 wherein each of the plurality of links comprises at least a base; one or more connecting pins and one or more pin-holes. ### Claim 16 (depends on 15) The implantable device of claim 15 wherein the base and one or more connecting pins are fabricated using additive manufacturing processes. ### Claim 17 (depends on 12) The implantable device of claim 12 wherein the snap-in segment of the device closure pin is configured for insertion and lock-in into the receptacle. ### Claim 18 (depends on 12) The implantable device of claim 12 wherein at least one other link includes an extractable pin attaching the device closure pin to said at least one other link and removal of the extractable pin releases the device closure pin from the said at least one other link.