Endoprosthesis percutaneously inplantable in the body of a patient
First Claim
1. Endoprosthesis percutaneously implantable by means of a catheter in a body of a patient, comprising:
- an oblong, hollow body having a longitudinal axis and which, upon placement in a position during implantation, is changeable from a small lumen during insertion to a larger lumen that conforms to a functional position of the endoprosthesis;
wherein said endoprosthesis is a cylindrical netting produced from elastic filaments, such netting having meshes forming polygons with sides, the meshes further having connection zones with two filaments twisted around each other such that the two filaments are sides of the polygons, the polygons having sides that extend, at least in part, obliquely to the longitudinal axis; and
the endoprosthesis having a plurality of meshes each with a first connection zone and a second connection zone such that the first connection zone extends at an inclined angle relative to the longitudinal axis of the endoprothesis and the second connection zone extends at a different angle relative to said longitudinal axis than said inclined angle.
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Abstract
An endoprosthesis is percutaneously implantable in the body of a patient by means of a catheter, this endoprosthesis being changeable from a small lumen during insertion to a larger lumen conforming to the functional position. This implant has a hose-like netting produced from at least one elastic filament, such netting having the structure of a wire mesh fence with meshes forming polygons, wherein the filaments each grip around each other in the corner points of the meshes following each other in the direction of the longitudinal axis of the prosthesis. According to an alternative embodiment, the endoprosthesis is a hose-like netting produced from elastic filament, such netting having the structure of a wire mesh fence with meshes forming polygons, wherein the meshes have connection zones with two filaments twisted around each other, such connection zones in each case extending in the longitudinal direction of the prosthesis.
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Citations
22 Claims
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1. Endoprosthesis percutaneously implantable by means of a catheter in a body of a patient, comprising:
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an oblong, hollow body having a longitudinal axis and which, upon placement in a position during implantation, is changeable from a small lumen during insertion to a larger lumen that conforms to a functional position of the endoprosthesis;
wherein said endoprosthesis is a cylindrical netting produced from elastic filaments, such netting having meshes forming polygons with sides, the meshes further having connection zones with two filaments twisted around each other such that the two filaments are sides of the polygons, the polygons having sides that extend, at least in part, obliquely to the longitudinal axis; and
the endoprosthesis having a plurality of meshes each with a first connection zone and a second connection zone such that the first connection zone extends at an inclined angle relative to the longitudinal axis of the endoprothesis and the second connection zone extends at a different angle relative to said longitudinal axis than said inclined angle. - View Dependent Claims (2, 3, 4, 6, 7, 8)
wherein the filaments forming the netting comprise superelastic material. -
8. Endoprosthesis according to claim 1,
wherein said polygons of the meshes are hexagons.
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5. Endoprosthesis according to cl wherein at ends of the netting, the ends of the filaments are joined by being braided, glued, soldered or fused.
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9. An endoprosthesis implantable in a body of a patient, comprising:
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an oblong, hollow body having a longitudinal axis, said endoprosthesis being a cylindrical netting of elastic filaments, such netting including meshes forming hexagons having sides, each mesh having connection zones with two filaments helically twisted around each other; and
said endoprosthesis having a first plurality of meshes each with a first connection zone inclined at an angle relative to the longitudinal axis of the mesh and a second connection zone that is parallel to the first connection zone. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An endoprosthesis implantable in a body of a patient, comprising:
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an oblong, hollow body having a longitudinal axis, said endoprosthesis being a cylindrical netting of elastic filaments, such netting including meshes forming polygons having sides, each mesh having connection zones with two filaments helically twisted around each other; and
said endoprosthesis having a first plurality of meshes each with a first connection zone inclined at a first angle relative to the longitudinal axis of the endoprosthesis and a second plurality of meshes each with a connection zone inclined at a second angle relative to the longitudinal axis of the endoprosthesis such that the second angle is different from the first angle. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification