DE20019429U1 - Double helix stent with particularly high radial force and flexibility - Google Patents

Double helix stent with particularly high radial force and flexibility

Info

Publication number
DE20019429U1
DE20019429U1 DE20019429U DE20019429U DE20019429U1 DE 20019429 U1 DE20019429 U1 DE 20019429U1 DE 20019429 U DE20019429 U DE 20019429U DE 20019429 U DE20019429 U DE 20019429U DE 20019429 U1 DE20019429 U1 DE 20019429U1
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DE
Germany
Prior art keywords
coating
precious metal
polymer material
circular cylinder
parylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE20019429U
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German (de)
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Individual
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Individual
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Priority to DE20019429U priority Critical patent/DE20019429U1/en
Publication of DE20019429U1 publication Critical patent/DE20019429U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/02—Inorganic materials
    • A61L31/022—Metals or alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04—Macromolecular materials
    • A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/08—Materials for coatings
    • A61L31/082—Inorganic materials
    • A61L31/088—Other specific inorganic materials not covered by A61L31/084 or A61L31/086
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/08—Materials for coatings
    • A61L31/10—Macromolecular materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/88—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91508—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other the meander having a difference in amplitude along the band
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91525—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91533—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
    • A61F2002/91541—Adjacent bands are arranged out of phase
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/9155—Adjacent bands being connected to each other
    • A61F2002/91558—Adjacent bands being connected to each other connected peak to peak

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (46)

1. Stent für den Einsatz im menschlichen Körper, dessen Formgebung dadurch gekennzeichnet ist, dass der Stent aus in Längsrichtung hintereinandergeordnete Doppelhelices, die über Stentstreben an bestimmten Punkten miteinander verbunden sind, besteht. Hierbei liegen jeweils zwei Heilixbänder spiegelbildlich einander gegenüber und sind über kurze Übergangsstücke gelenkförmig miteinander verbunden. Die Doppelhelices bilden verformbare Rauten, die spiralförmig übereinander liegen. In Längsrichtung sind die Doppelhelices durch doppel-S ähnliche Verbindungselemente miteinander verbunden.1. Stent for use in the human body, the shape of which is characterized in that the stent consists of double helices arranged one behind the other in the longitudinal direction and connected to one another at certain points via stent struts. Here, two Heilix tapes are mirror images of each other and are connected to each other via short transition pieces. The double helices form deformable diamonds, which lie on top of each other in a spiral. In the longitudinal direction, the double helices are connected to one another by double-S-like connecting elements. 2. Wie 1, und aus einem Kreiszylinder aus Edelstahl hergestellt wird.2. How 1, and is made from a circular cylinder made of stainless steel. 3. Wie 2 mit einer Beschichtung aus einem Polymermaterial.3. As 2 with a coating of a polymer material. 4. Wie 2 mit einer Beschichtung aus Parylene.4. Like 2 with a parylene coating. 5. Wie 2 mit einer Beschichtung aus einem Edelmetall.5. Like 2 with a coating of a precious metal. 6. Wie 2 mit einer Beschichtung aus einer Edelmetalllegierung.6. Like 2 with a coating of a precious metal alloy. 7. Wie 1 aus einem Kreiszylinder aus Polylactid hergestellt wird.7. How 1 is made from a polylactide circular cylinder. 8. Wie 7 mit einer Beschichtung aus einem Polymermaterial.8. As 7 with a coating of a polymer material. 9. Wie 7 mit einer Beschichtung aus Parylene.9. Like 7 with a parylene coating. 10. Wie 7 mit einer Beschichtung aus einem Edelmetall.10. Like 7 with a coating of a precious metal. 11. Wie 7 mit einer Beschichtung aus einer Edelmetalllegierung.11. As 7 with a coating of a precious metal alloy. 12. Wie 1 aus einem Kreiszylinder aus einem Polymer hergestellt wird.12. How to make 1 from a circular cylinder from a polymer. 13. Wie 12 mit einer Beschichtung aus einem Polymermaterial.13. Like 12 with a coating of a polymer material. 14. Wie 12 mit einer Beschichtung aus Parylene.14. Like 12 with a parylene coating. 15. Wie 12 mit einer Beschichtung aus einem Edelmetall.15. Like 12 with a coating of a precious metal. 16. Wie 12 mit einer Beschichtung aus einer Edelmetalllegierung. 16. Like 12 with a coating of a precious metal alloy.   17. Wie 1 aus einem Kreiszylinder aus Nitinol hergestellt wird.17. How 1 is made from a circular cylinder made of Nitinol. 18. Wie 17 mit einer Beschichtung aus einem Polymermaterial.18. As 17 with a coating of a polymer material. 19. Wie 17 mit einer Beschichtung aus Parylene.19. Like 17 with a parylene coating. 20. Wie 17 mit einer Beschichtung aus einem Edelmetall.20. Like 17 with a coating of a precious metal. 21. Wie 17 mit einer Beschichtung aus einer Edelmetalllegierung.21. Like 17 with a coating of a precious metal alloy. 22. Wie 1 aus einem Kreiszylinder aus Tantalum hergestellt wird.22. How 1 is made from a circular cylinder made of tantalum. 23. Wie 22 mit einer Beschichtung aus einem Polymermaterial.23. Like 22 with a coating of a polymer material. 24. Wie 22 mit einer Beschichtung aus Parylene.24. Like 22 with a parylene coating. 25. Wie 22 mit einer Beschichtung aus einem Edelmetall.25. Like 22 with a coating of a precious metal. 26. Wie 22 mit einer Beschichtung aus einer Edelmetalllegierung.26. Like 22 with a coating of a precious metal alloy. 27. Wie 1 aus einem Kreiszylinder aus einer Kupfer/Gold Legierung hergestellt wird.27. How to make 1 from a copper / gold alloy circular cylinder. 28. Wie 27 mit einer Beschichtung aus einem Polymermaterial.28. Like 27 with a coating of a polymer material. 29. Wie 27 mit einer Beschichtung aus Parylene.29. Like 27 with a parylene coating. 30. Wie 27 mit einer Beschichtung aus einem Edelmetall.30. Like 27 with a coating of a precious metal. 31. Wie 27 mit einer Beschichtung aus einer Edelmetalllegierung.31. Like 27 with a coating of a precious metal alloy. 32. Wie 1 aus einem Kreiszylinder aus einer Legierung hergestellt wird.32. How 1 is made from an alloy circular cylinder. 33. Wie 32 mit einer Beschichtung aus einem Polymermaterial.33. Like 32 with a coating of a polymer material. 34. Wie 32 mit einer Beschichtung aus Parylene.34. Like 32 with a parylene coating. 35. Wie 32 mit einer Beschichtung aus einem Edelmetall.35. Like 32 with a coating of a precious metal. 36. Wie 32 mit einer Beschichtung aus einer Edelmetalllegierung.36. Like 32 with a coating of a precious metal alloy. 37. Wie 1 aus einem Kreiszylinder aus Verbundwerkstoffen hergestellt wird.37. How 1 is made from a circular cylinder made of composite materials. 38. Wie 37 mit einer Beschichtung aus einem Polymermaterial.38. Like 37 with a coating of a polymer material. 39. Wie 37 mit einer Beschichtung aus Parylene.39. Like 37 with a parylene coating. 40. Wie 37 mit einer Beschichtung aus einem Edelmetall.40. Like 37 with a coating of a precious metal. 41. Wie 37 mit einer Beschichtung aus einer Edelmetalllegierung. 41. Like 37 with a coating of a precious metal alloy.   42. Wie 1 aus einem Kreiszylinder aus Metall hergestellt wird.42. How 1 is made from a circular cylinder made of metal. 43. Wie 42 mit einer Beschichtung aus einem Polymermaterial.43. Like 42 with a coating of a polymer material. 44. Wie 42 mit einer Beschichtung aus Parylene.44. Like 42 with a parylene coating. 45. Wie 42 mit einer Beschichtung aus einem Edelmetall.45. Like 42 with a coating of a precious metal. 46. Wie 42 mit einer Beschichtung aus einer Edelmetalllegierung.46. Like 42 with a coating of a precious metal alloy.
DE20019429U 2000-11-15 2000-11-15 Double helix stent with particularly high radial force and flexibility Expired - Lifetime DE20019429U1 (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1430854A1 (en) * 2002-12-20 2004-06-23 Biotronik GmbH & Co. KG Stent
EP2175802A1 (en) * 2007-08-02 2010-04-21 Flexible Stenting Solutions, Inc. Flexible stent
EP2255750A2 (en) * 2002-08-30 2010-12-01 C.R. Bard, Inc. Helical stent having improved flexibility and expandability
WO2011109160A1 (en) * 2010-03-02 2011-09-09 Medtronic Vascular Inc. Stent with multi-crown constraint and method for ending helical wound stents
EP2364675A1 (en) * 2006-10-18 2011-09-14 Innovational Holdings, LLC Stent with flexible hinges
WO2012018836A3 (en) * 2010-08-02 2012-05-03 Cordis Corporation Flexible helical stent having intermediate structural feature
CN103607977A (en) * 2011-06-07 2014-02-26 刘青 Hybrid polymer stent fabricated by a non-laser cut fabrication method
US9456911B2 (en) 2006-02-14 2016-10-04 Angiomed Gmbh & Co. Medizintechnik Highly flexible stent and method of manufacture
US9486339B2 (en) 2004-09-01 2016-11-08 Angiomed Gmbh & Co. Medizintechnik Kg Stent and method for manufacturing the stent
CN109662820A (en) * 2019-01-31 2019-04-23 深圳市科奕顿生物医疗科技有限公司 A kind of Self-expanded stent and its preparation method and application
US10433987B2 (en) 2002-08-30 2019-10-08 C. R. Bard, Inc. Highly flexible stent and method of manufacture

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2255750B1 (en) * 2002-08-30 2014-11-26 C.R. Bard, Inc. Helical stent having improved flexibility and expandability
US10463509B2 (en) 2002-08-30 2019-11-05 C. R. Bard, Inc. Helical stent having improved flexibility and expandability
US9554927B2 (en) 2002-08-30 2017-01-31 C.R. Bard, Inc. Helical stent having improved flexibility and expandability
EP2255750A2 (en) * 2002-08-30 2010-12-01 C.R. Bard, Inc. Helical stent having improved flexibility and expandability
US8512391B2 (en) 2002-08-30 2013-08-20 C. R. Bard, Inc. Helical stent having struts in a transition zone that progressively increase in length
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