DE20114667U1 - Expandable network - Google Patents

Expandable network

Info

Publication number
DE20114667U1
DE20114667U1 DE20114667U DE20114667U DE20114667U1 DE 20114667 U1 DE20114667 U1 DE 20114667U1 DE 20114667 U DE20114667 U DE 20114667U DE 20114667 U DE20114667 U DE 20114667U DE 20114667 U1 DE20114667 U1 DE 20114667U1
Authority
DE
Germany
Prior art keywords
network
links
longitudinal axis
network according
parts
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
DE20114667U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arsenal Medical Inc
Original Assignee
CATHNET SCIENCE HOLDING AS ROS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CATHNET SCIENCE HOLDING AS ROS filed Critical CATHNET SCIENCE HOLDING AS ROS
Publication of DE20114667U1 publication Critical patent/DE20114667U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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
    • 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
    • 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
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0054—V-shaped

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

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 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 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 (13)

1. Netz zum Implantieren in das Lumen eines Körper-Durchganges, um einen Kanal darin auszubilden, wobei das Netz aus einer Anordnung von rohrförmigen Ele­ menten besteht, die längs einer gemeinsamen Längsachse ausgerichtet sind und aufeinanderfolgend miteinander durch entsprechende Sätze von Verkettungsglie­ dern verbunden sind, von denen jedes sich in einem Winkel zur Längsachse er­ streckt, wobei jedes rohrförmige Element aus einem kontinuierlichen Streifen be­ steht, der eine etwa zick-zack-förmige Wellung bildet, die durch einen ersten Satz von gebogenen Teilen, die in einer Richtung gewandt sind, und einen zweiten Satz von gebogenen Teilen, die axial von dem ersten beabstandet sind und die in der entgegengesetzten Richtung gewandt sind, definiert ist, wobei die gebogenen Teile aufeinanderfolgend miteinander in Paaren in entgegengesetzten Richtungen durch geradlinige zwischenliegende Teile verbunden sind, dadurch gekennzeichnet, dass
  • a) in dem nicht aufgeweiteten Zustand des Netzes die zugewandten, gebogenen Teile, die zu benachbarten rohrförmigen Elementen gehören, in Umfangsrichtung voneinander um einen Abstand versetzt sind, der etwa gleich der Hälfte des Abstandes zwischen den gebogenen Teilen eines jeden Satzes ist,
  • b) jedes der Verkettungsglieder sich von einem gebogenen Teil, der zu einem rohrförmigen Element gehört, zu einem zugewandten gebogenen Teil, das zu dem nächst benachbarten rohrförmigen Element gehört, erstreckt, wobei die gebogenen Teile so miteinander verbunden sind, dass sie in Umfangsrichtung zueinander um einen Abstand versetzt sind, der etwa gleich der Hälfte des Abstandes zwischen den gebogenen Teilen eines jeden Satzes ist, und
  • c) mindestens einige der gewinkelten Verkettungsglieder, in Richtung der Längs­ achse gesehen, in einem entgegengesetzten Winkel zu den übrigen gewinkelten Verkettungsgliedern angeordnet sind.
1. network for implantation in the lumen of a body passage to form a channel therein, the network consisting of an arrangement of tubular elements which are aligned along a common longitudinal axis and are successively connected to one another by corresponding sets of interlinking members, each of which extends at an angle to the longitudinal axis, each tubular element consisting of a continuous strip which forms an approximately zigzag-shaped corrugation formed by a first set of bent parts which face in one direction, and a second set of bent parts axially spaced from the first and facing in the opposite direction is defined, the bent parts being successively connected together in pairs in opposite directions by rectilinear intermediate parts, characterized in that
  • a) in the unexpanded state of the net, the facing, bent parts belonging to adjacent tubular elements are circumferentially offset from one another by a distance which is approximately equal to half the distance between the bent parts of each set,
  • b) each of the links extends from a bent part belonging to a tubular member to a facing bent part belonging to the next adjacent tubular member, the bent parts being connected to each other so that they are circumferentially mutually related are offset by a distance approximately equal to half the distance between the curved parts of each set, and
  • c) at least some of the angled linking links, viewed in the direction of the longitudinal axis, are arranged at an opposite angle to the other angled linking links.
2. Netz nach Anspruch 1, bei dem jeder Satz von Verkettungsgliedern aus nur einem einzigen Verkettungsglied besteht.2. The network of claim 1, wherein each set of links is made up of only one single link exists. 3. Netz nach Anspruch 1 oder 2, bei dem der Winkel einer ersten Gruppe der ge­ winkelten Verkettungsglieder positiv in bezug auf die Längsachse ist, während der Winkel einer zweiten Gruppe der gewinkelten Gelenkglieder negativ in bezug auf die Längsachse verläuft.3. Network according to claim 1 or 2, wherein the angle of a first group of ge angled chain links is positive with respect to the longitudinal axis, during the Angle of a second group of angled joint links negative with respect to the longitudinal axis runs. 4. Netz nach Anspruch 3, bei dem die relative Anzahl von Verkettungsgliedern in den ersten und zweiten Gruppen im wesentlichen so abgeglichen ist, dass sie dem Netz eine bauliche Gesamtstabilität geben.4. The network of claim 3, wherein the relative number of links in the first and second groups is essentially matched to the Give the network overall structural stability. 5. Netz nach einem der Ansprüche 3 oder 4, bei dem ein oder mehrere Glieder aus den ersten und zweiten Gruppen von Verkettungsgliedern abwechseln, wenn sie in Richtung der Längsachse betrachtet werden.5. Network according to one of claims 3 or 4, in which one or more members alternate the first and second groups of links if they be viewed in the direction of the longitudinal axis. 6. Netz nach einem der vorausgehenden Ansprüche, bei dem alle gewinkelten Ver­ kettungsglieder den gleichen Winkel mit der Längsachse einschließen.6. Network according to one of the preceding claims, in which all angled Ver chain links include the same angle with the longitudinal axis. 7. Netz nach einem der vorausgehenden Ansprüche, bei dem jedes Verkettungsglied in einem bestimmten Winkel zur Längsachse durch ein entsprechendes Verket­ tungsglied bei einem etwa gleichen, aber entgegengesetzten Winkel zur Längsach­ se abgeglichen ist.7. Network according to one of the preceding claims, in which each link at a certain angle to the longitudinal axis through a corresponding chain tion member at an approximately the same but opposite angle to the longitudinal axis is balanced. 8. Netz nach einem der vorausgehenden Ansprüche, bei dem jedes Verkettungsglied einen rechteckförmigen Querschnitt mit einer Dicke aufweist, die in radialer Rich­ tung größer ist als die Breite.8. Network according to one of the preceding claims, in which each link has a rectangular cross section with a thickness which is in the radial direction tion is larger than the width. 9. Netz nach einem der vorausgehenden Ansprüche, bei dem die Verkettungsglieder als Gruppe etwa gleichförmig über den Umfang des Netzes verteilt ausgebildet sind.9. Network according to one of the preceding claims, wherein the chain links formed as a group approximately uniformly distributed over the circumference of the network  are. 10. Netz nach einem der vorausgehenden Ansprüche, bei dem jeder Satz von Verket­ tungsgliedern in Umfangsrichtung von dem benachbarten Satz oder Sätzen von Verkettungsgliedern um einen Betrag versetzt ist, der gleich einem Mehrfachen des Umfangsabstandes 2L zwischen benachbarten gebogenen Teilen ist, die zu ei­ nem der Sätze von gebogenen Teilen gehören.10. Network according to one of the preceding claims, in which each set of Verket tion members in the circumferential direction of the adjacent set or sets of Chain links is offset by an amount that is a multiple of the circumferential distance 2L between adjacent curved parts, which is too small belong to the sets of bent parts. 11. Netz nach Anspruch 10, bei dem der Umfangsabstand zwischen allen Sätzen von Verkettungsgliedern in der Längsrichtung des Netzes gleich ist, so dass ein etwa wendelförmiges Muster von Verkettungsgliedern längs des Netzes entsteht.11. The network of claim 10, wherein the circumferential distance between all sets of Linking elements in the longitudinal direction of the network is the same, so that an approximately helical pattern of links along the network is created. 12. Netz nach einem der vorausgehenden Ansprüche, bei dem jedes Verkettungsglied in die entsprechenden gebogenen Teile in einer Tangente mündet.12. Network according to one of the preceding claims, in which each link opens into the corresponding curved parts in a tangent. 13. Netz nach Anspruch 12, bei dem die gebogenen Teile in ihrer Form etwa halb­ kreisförmig ausgebildet sind und bei dem die Mittenlinie des Verkettungsgliedes tangential zu den Mittenlinien der entsprechenden gebogenen, aneinander an­ schließenden Teile verläuft.13. Network according to claim 12, wherein the bent parts in their shape about half are circular and in which the center line of the link tangent to the center lines of the corresponding curved ones closing parts runs.
DE20114667U 2000-09-08 2001-09-06 Expandable network Expired - Lifetime DE20114667U1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0022097.0A GB0022097D0 (en) 2000-09-08 2000-09-08 Expandable stent

Publications (1)

Publication Number Publication Date
DE20114667U1 true DE20114667U1 (en) 2001-12-13

Family

ID=9899116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20114667U Expired - Lifetime DE20114667U1 (en) 2000-09-08 2001-09-06 Expandable network

Country Status (5)

Country Link
DE (1) DE20114667U1 (en)
ES (1) ES2212872B2 (en)
FR (1) FR2813785B1 (en)
GB (2) GB0022097D0 (en)
IT (1) ITMI20011869A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8080052B2 (en) 2002-06-28 2011-12-20 Cordis Corporation Stent with diagonal flexible connecting links
GB0417077D0 (en) 2004-07-30 2004-09-01 Angiomed Ag Medical implant such as a stent

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE395014T1 (en) * 1995-03-01 2008-05-15 Boston Scient Scimed Inc LONGITUDONLY FLEXIBLE AND EXPANDABLE STENT
US6203569B1 (en) * 1996-01-04 2001-03-20 Bandula Wijay Flexible stent
WO1997040783A2 (en) * 1996-04-26 1997-11-06 Jang G David Intravascular stent
WO1998020810A1 (en) 1996-11-12 1998-05-22 Medtronic, Inc. Flexible, radially expansible luminal prostheses
FR2760351B1 (en) * 1997-03-04 1999-05-28 Bernard Glatt HELICAL STENT FORMING DEVICE AND MANUFACTURING METHOD THEREOF
US5810872A (en) * 1997-03-14 1998-09-22 Kanesaka; Nozomu Flexible stent
FR2762777B1 (en) * 1997-05-05 1999-10-22 Patrick Sabaria VASCULAR AND CORONARY EXTENDERS, USUALLY DESIGNATED UNDER THE NAME OF "STENT"
FR2764794B1 (en) * 1997-06-20 1999-11-12 Nycomed Lab Sa EXPANDED TUBULAR DEVICE WITH VARIABLE THICKNESS
US5824059A (en) * 1997-08-05 1998-10-20 Wijay; Bandula Flexible stent
US6342067B1 (en) * 1998-01-09 2002-01-29 Nitinol Development Corporation Intravascular stent having curved bridges for connecting adjacent hoops
US6129755A (en) * 1998-01-09 2000-10-10 Nitinol Development Corporation Intravascular stent having an improved strut configuration
US6190406B1 (en) * 1998-01-09 2001-02-20 Nitinal Development Corporation Intravascular stent having tapered struts
WO2000015151A1 (en) * 1998-09-16 2000-03-23 Isostent, Inc. Linkage stent
DE29816878U1 (en) * 1998-09-21 1998-12-24 Schmitz-Rode, Thomas, Dipl.-Ing. Dr.med., 52070 Aachen Helix stent that can be manufactured using the cutting process
US20020032478A1 (en) * 2000-08-07 2002-03-14 Percardia, Inc. Myocardial stents and related methods of providing direct blood flow from a heart chamber to a coronary vessel

Also Published As

Publication number Publication date
ITMI20011869A0 (en) 2001-09-06
GB2369062B (en) 2004-05-12
ITMI20011869A1 (en) 2003-03-06
GB2369062A (en) 2002-05-22
ES2212872B2 (en) 2006-08-01
FR2813785B1 (en) 2005-04-01
FR2813785A1 (en) 2002-03-15
ES2212872A1 (en) 2004-08-01
GB0022097D0 (en) 2000-10-25
GB0121381D0 (en) 2001-10-24

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R207 Utility model specification

Effective date: 20020124

R081 Change of applicant/patentee

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