# US 2014/0194921 A1 · Medical Implantable Occlusion Device, And Method For Implantation Thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0194921 A1 - Document ID: US20140194921A1 - Status: Published application - Kind: A1 - Application number: 14/241,062 - Filed: 2012-09-24 - Published: 2014-07-10 - Earliest claimed: 2011-09-22 - Assignees: Occlutech Holding AG - Applicants: Occlutech Holding AG - Inventors: Mehmet Hakan Akpinar - Web page: https://patentgrep.com/patent/US20140194921A1 ## CPC - A61B 17/0057: {Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect (sutures A61B17/04; closing rectum or urethra near body surface A61F2/0009)} - A61B 17/12031: {complete occlusion} - A61B 17/12122: {within the heart (for closing a cardiac septal defect A61B17/0057)} - A61B 17/12172: {having a pre-set deployed three-dimensional shape (methods of manufacturing A61B2017/00526)} - A61F 2/2409: {Support rings therefor, e.g. for connecting valves to tissue (annuloplasty rings A61F2/2442)} - A61B 2017/00243: {cardiac} - A61B 2017/00592: {Elastic or resilient implements} - A61B 2017/00606: {Implements H-shaped in cross-section, i.e. with occluders on both sides of the opening} - A61B 2017/12004: {for haemostasis, for prevention of bleeding} - A61F 2/2403: {with pivoting rigid closure members (check valves with hinged closure members in general F16K15/03)} - A61F 2/2418: {Scaffolds therefor, e.g. support stents} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - 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) ## Abstract A medical implantable occlusion device (100, 200) is disclosed comprising a fabric of at least one thread (101) and a structural formation (102) thereof having a collapsed and an expanded shape, the formation comprises a proximal and a distal portion (103, 104), a longitudinal axis (105) extending between the proximal and distal portion, wherein at least one of the proximal and distal portions comprises a peripheral edge (107, 108) having a first (109, 109′) and a second (110, 110′) radius of curvature in a direction substantially perpendicular to the longitudinal axis, wherein the first radius of curvature is different from the second radius of curvature. ## Claims ### Claim 1 A medical implantable occlusion device (100, 200) comprising a fabric of at least one thread (101) and a structural formation (102) thereof having a collapsed and an expanded shape, said formation comprises a proximal and a distal portion (103, 104), a longitudinal axis (105) extending between said proximal and distal portion, wherein at least one of said proximal and distal portion comprises a peripheral edge (107, 108) having a first (109, 109′) and a second (110, 110′) radius of curvature in a direction substantially perpendicular to said longitudinal axis, wherein said first radius of curvature is different from said second radius of curvature, wherein said at least one of said first and second radius of curvature is chosen such that the curvature of at least a section of said peripheral edge corresponds substantially to a valve curvature (116) of a valve (115) for regulating blood flow. ### Claim 2 (depends on 1) Occlusion device according to claim 1, wherein said peripheral edge is concave radially outwards in a direction substantially perpendicular to said longitudinal axis. ### Claim 3 (depends on 2) Occlusion device according to claim 2, wherein said peripheral edge comprises edge sections (112, 112′, 113, 113′) that are alternatingly concave and convex radially outwards in a direction substantially perpendicular to said longitudinal axis. ### Claim 4 (depends on 1, 2, 3) Occlusion device according to any of claims 1-3, wherein said peripheral edge comprises radially opposed edge sections (112, 112′) having substantially the same radius of curvature. ### Claim 5 (depends on 4) Occlusion device according to claim 4, wherein first radially opposed edge sections (112, 112′) of said peripheral edge has a radius of curvature that is larger than the radius of curvature of second radially opposed edge sections (114, 114′). ### Claim 6 (depends on 1, 2, 3, 4, 5) Occlusion device according to any of claims 1-5, wherein said peripheral edge defines a generally rectangular shape of said proximal or distal portion. ### Claim 7 (depends on 1, 2, 3, 4, 5, 6) Occlusion device according to any of claims 1-6, wherein said peripheral edge comprises at least two edge sections (112, 112′) that are concave radially outwards in a direction substantially perpendicular to said longitudinal axis. ### Claim 8 (depends on 1, 2, 3, 4, 5, 6, 7) Occlusion device according to any of claims 1-7, wherein at least one of said proximal and distal portion is deflected towards the other portion with an angle (V, V′). ### Claim 9 (depends on 1, 2, 3, 4, 5, 6, 7, 8) Occlusion device according to any of claims 1-8, wherein one of said proximal and distal portion has a larger diameter than the other portion, whereby an overlap (117) between the proximal and distal portions is created. ### Claim 10 (depends on 8, 9) Occlusion device according to claims 8 and 9, wherein the proximal portion is deflected towards the distal portion with an angle (V), the distal portion is deflected towards the proximal portion with an angle (V′), and wherein the distal portion overlaps the proximal portion in the radial direction. ### Claim 11 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10) Occlusion device according to any of claims 1-10, comprising at least one a marker element (118) for aiding in orienting said occlusion device. ### Claim 12 (depends on 11) Occlusion device according to claim 11, wherein said at least one marker element (118, 118′) is arranged on one of said proximal and distal portions at a position corresponding substantially to the location of said peripheral edge, and/or wherein said marker element comprises a radiopaque material. ### Claim 13 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) Occlusion device according to any of claims 1-12, comprising a connecting member (111) attached to one of said distal and proximal portions, said connecting member being configured for connection to a delivery device in a predetermined orientation. ### Claim 14 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13) Occlusion device according to any of claims 1-13, comprising a waist (106) of reduced cross section between said distal and proximal portion. ### Claim 15 (depends on 14) Occlusion device according to claim 14, wherein said at least one thread (101), forming said waist, are twisted around said longitudinal axis (105) between said proximal and distal portion. ### Claim 16 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15) Occlusion device according to any of claims 1-15, wherein said proximal portion comprises a connecting member (111) for a delivery device, wherein ends of said at least one thread are fixed to said connecting member, and wherein said distal portion comprises returning loops (119) of said at least one thread whereby opposite ends of said at least one thread forming said distal portion are fixed to said connecting member. ### Claim 17 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16) Occlusion device according to any of claims 1-16, wherein said device comprises a braiding from a plurality of threads 101 forming a closed braided distal wall 301 at said distal portion 104. ### Claim 18 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17) A medical method (900) of occluding an opening in a body lumen, comprising providing (901) a device of any of claims 1-17, inserting (902) said device in a collapsed state into said opening, expanding (903) and releasing said device in said opening, thus anchoring (904) said device in said opening for occluding the latter by said device. ### Claim 19 (depends on 18) The method of claim 18, wherein said opening is a Para-Valvular Leak (PVL) adjacent a valve (115), and wherein the method comprises positioning or rotating (905) said device such that a concave edge section (112, 112′) of said device substantially follows the valve curvature (116) of said valve (115). ### Claim 20 (depends on 18) The method of claim 18, wherein said opening is a Para-Valvular Leak (PVL), Patent Ductus Arteriosus (PDA), Arterial Venous Fistula (AVF), Arterial Venous Malformation (AVM).