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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0764028 (2013-02-11) |
등록번호 | US-9050095 (2015-06-09) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 4 인용 특허 : 433 |
The invention relates to a medical implant in the form of an elongated helix wherein at least one part of the helix is preformed in such a manner that it has a secondary structure of identically sized loops which it assumes during implantation at the placement site, with said structure in turn formi
The invention relates to a medical implant in the form of an elongated helix wherein at least one part of the helix is preformed in such a manner that it has a secondary structure of identically sized loops which it assumes during implantation at the placement site, with said structure in turn forming at the placement site during implantation a polyhedral tertiary structure, and the polyhedron being provided with at least one additional loop.
1. A method of manufacturing a three-dimensional medical implant comprising: attaching an elongated helix on a ball forming structure, the ball forming structure comprising at least four radial sections configured for forming loops;forming at least one part of the helix to define a secondary structu
1. A method of manufacturing a three-dimensional medical implant comprising: attaching an elongated helix on a ball forming structure, the ball forming structure comprising at least four radial sections configured for forming loops;forming at least one part of the helix to define a secondary structure comprising a first face loop, a second face loop, a third lace loop and a fourth face loop, the first, second, third and fourth face loops of substantially identical size,biasing said secondary structure to form a polyhedral tertiary structure, the polyhedral tertiary structure comprising a polyhedron, wherein the faces of the polyhedron are built up by the first face loop, the second lace loop, the third face loop and the fourth face loop; andforming at least one additional loop disposed on one of the groups consisting of (a) a polyhedron face and coplanar to the plane of at least one face loop, (b) polyhedron edge, and (c) a polyhedron vertex, the at least one additional loop configured for reducing the risk of tissue damage at the placement site,wherein the at least one additional loop is smaller than the first face loop. 2. The method according to claim 1, wherein the polyhedron is selected from the group consisting of a tetrahedron, a hexahedron, an octahedron, a dodecahedron, a pentagonal dodecahedron, and an icosahedron. 3. The method according to claim 1, wherein the at least one additional loop is a closed loop. 4. The method according to claim 1, further comprising forming multiple additional loops coplanar to the plane of at least one of the first, second and third loops of the polyhedron, wherein each additional loop is smaller than its corresponding larger face loop forming the polyhedron face. 5. The method according to claim 1, wherein the face loops are closed loops alternately arranged in a linear extension of the elongated helix. 6. The method according to claim 1, wherein the elongated helix has an outside diameter ranging between 0.1 and 0.5 mm. 7. The method according to claim 1, wherein at least one of the wires forming the elongated helix comprises one of a platinum-iridium and platinum-tungsten alloy having shape memory properties. 8. The method according to claim 1, further comprising temporarily attaching said elongated helix to at least one severance module provided with an electrolytically corrodible location which is arranged in the elongated helix proximally to a portion thereof forming the polyhedron. 9. The method according to claim 1, further comprising: inserting said elongated helix in a catheter; andattaching said elongated helix to an insertion aid which is detachably connected to a proximal end of the implant. 10. A method of manufacturing a three-dimensional medical implant comprising: attaching an elongated helix on a ball forming structure, the ball forming structure comprising at least four radial sections configured for forming loops;forming at least one part of the helix to define a secondary structure comprising at least four face loops of substantially identical size,biasing said secondary structure to form a polyhedral tertiary structure, the polyhedral tertiary structure comprising a polyhedron, wherein the at least four loops establish faces of the polyhedron; andforming at least one additional loop disposed on one of the groups consisting of (a) a polyhedron face and coplanar with the polyhedron face, (b) polyhedron edge, and (c) a polyhedron vertex, the at least one additional loop configured for reducing the risk of tissue damage at the placement site,wherein the at least one additional loop is smaller than the at least four face loops. 11. The method according to claim 10, wherein the polyhedron is selected from the group consisting of a tetrahedron, a hexahedron, an octahedron, a dodecahedron, a pentagonal dodecahedron, and an icosahedron. 12. The method according to claim 10, wherein the at least one additional loop is a closed loop. 13. The method according to claim 10, further comprising forming multiple additional loops coplanar to the plane of at least one of the face loops of the polyhedron, wherein each additional loop is smaller than its corresponding larger face loop forming the polyhedron face. 14. The method according to claim 10, wherein the face loops are closed loops alternately arranged in a linear extension of the elongated helix. 15. The method according to claim 10, wherein the elongated helix has an outside diameter ranging between 0.1 and 0.5 mm. 16. The method according to claim 10, wherein at least one of the wires forming the elongated helix comprises one of a platinum-iridium and platinum-tungsten alloy having shape memory properties. 17. The method according to claim 10, further comprising temporarily attaching said elongated helix to at least one severance module provided with an electrolytically corrodible location which is arranged in the elongated helix proximally to a portion thereof forming the polyhedron. 18. The method according to claim 10, wherein face loops and smaller additional loops are formed in a numerical proportion of approximately 1:1. 19. The method according to claim 10, wherein at least one additional loop is formed in the polyhedron between two adjacent large loops. 20. The method according to claim 10, wherein at least one additional loop is formed in the polyhedron between three adjacent large loops.
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