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DE29608037U1 - Coronary stent - Google Patents

Coronary stent

Info

Publication number
DE29608037U1
DE29608037U1 DE29608037U DE29608037U DE29608037U1 DE 29608037 U1 DE29608037 U1 DE 29608037U1 DE 29608037 U DE29608037 U DE 29608037U DE 29608037 U DE29608037 U DE 29608037U DE 29608037 U1 DE29608037 U1 DE 29608037U1
Authority
DE
Germany
Prior art keywords
web
stent
patterns
stent according
arches
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.)
Ceased
Application number
DE29608037U
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.)
SITOMED GmbH
Original Assignee
SITOMED GmbH
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 SITOMED GmbH filed Critical SITOMED GmbH
Priority to DE19617823A priority Critical patent/DE19617823A1/en
Priority to DE29608037U priority patent/DE29608037U1/en
Publication of DE29608037U1 publication Critical patent/DE29608037U1/en
Anticipated expiration legal-status Critical
Ceased 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 sheets 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 sheets 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 sheets 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 sheets 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 sheets 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)
  • Materials For Medical Uses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Description

BeschreibungDescription

Die Erfindung betrifft einen koronaren Stent gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a coronary stent according to the preamble of claim 1.

Unter einem koronaren Stent versteht man eine Gefäßprothese, die aus körperverträglichem Material besteht. Der Stent bzw. die Gefäßprothese wird dazu verwendet, Blutgefäße oder auch andere Körperöffnungen aufzuweiten. und. die Gefäße in dem aufgeweiteten Zustand zu halten, beispielsweise um Gefäßstenosen zu behandeln. Hierbei wird der Stent mit Hilfe eines in den Körper einführbaren Katheters an die jeweilige Position gebracht. Der Katheter weist einen aufblasbaren Ballonabschnitt auf, auf dem der Stent zum Zwecke der Anbringung im Körper angeordnet wird. Nach der Positionierung des Stents mit Hilfe des Katheders in dem aufzuweitenden Gefäßabschnitt wird der Ballonabschnitt aufgeweitet, so daß sich der Stent expandiert und dadurch den Gefäßabschnitt auf die gewünschte Größe erweitert. Hierbei verankert sich der Stent in der Gefäßwand und verbleibt im Körper des Patienten.A coronary stent is a vascular prosthesis made of biocompatible material. The stent or vascular prosthesis is used to expand blood vessels or other body openings and to keep the vessels in the expanded state, for example to treat vascular stenosis. The stent is brought into the respective position using a catheter that can be inserted into the body. The catheter has an inflatable balloon section on which the stent is placed for the purpose of insertion in the body. After the stent has been positioned using the catheter in the vessel section to be expanded, the balloon section is expanded so that the stent expands and thereby expands the vessel section to the desired size. The stent anchors itself in the vessel wall and remains in the patient's body.

Ein derartiger Stent ist beispielsweise aus der WO 9603092 Al bekannt. Die Wand des Stents besteht aus einer Stegstruktur, die im Fall des bekannten Stents parallel zueinander verlaufende mäanderartige Stegmuster aufweist, die jeweils über Stegbögen miteinander verbunden sind. Beim bekannten Stent weisen die Scheitelpunkte der Stegbögen jeweils alternierend in unterschiedliche Richtungen, sind also abwechselnd um 180° zueinander versetzt. Hieraus ergibt sich zwar eine flexible Stegstruktur der Wand des Stent-Körpers, jedoch ist die Flexibilität, insbesondere in Körperlängsrichtung, verbesserungsbedürftig.Such a stent is known, for example, from WO 9603092 A1. The wall of the stent consists of a bridge structure, which in the case of the known stent has meandering bridge patterns running parallel to one another, which are each connected to one another via bridge arches. In the known stent, the vertices of the bridge arches each point alternately in different directions, i.e. are alternately offset by 180° from one another. This results in a flexible bridge structure of the wall of the stent body, but the flexibility, especially in the longitudinal direction of the body, is in need of improvement.

Es ist daher Aufgabe der vorliegenden Erfindung, einen koronalen Stent der im Oberbegriff von Anspruch 1 angegebenen Art zu schaffen, dessen Flexibilität und damit Anbringbarkeit weiter verbessert ist.It is therefore an object of the present invention to provide a coronal stent of the type specified in the preamble of claim 1, whose flexibility and thus attachability is further improved.

Die Lösung dieser Aufgabe erfolgt durch die Merkmale des Anspruchs 1.This problem is solved by the features of claim 1.

Dadurch wird erreicht, daß sich der erfindungsgemäße Stent beim Aufschieben auf den Ballonabschnitt eines Katheders vor allem in Längsrichtung noch besser zusammenschieben läßt, was wiederum die Anbringung des Stents an der aufzuweitenden Stelle im Körper des Patienten verbessert.This ensures that the stent according to the invention can be pushed together even better, especially in the longitudinal direction, when pushed onto the balloon section of a catheter, which in turn improves the attachment of the stent to the site in the patient's body that is to be expanded.

Die Unteransprüche haben vorteilhafte Weiterbildungen der Erfindung zum Inhalt.The subclaims contain advantageous developments of the invention.

Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus nachfolgender Beschreibung eines Ausführungsbeispiels anhand der Zeichnung.Further details, features and advantages of the invention emerge from the following description of an embodiment with reference to the drawing.

Es zeigt:It shows:

Fig. 1 eine schematisch stark vereinfachte Darstellung des Grundaufbaus eines erfindungsgemäßen Stents undFig. 1 is a schematically simplified representation of the basic structure of a stent according to the invention and

Fig. 2 eine der Fig. 1 entsprechende Darstellung der Stegstruktur der Wand des Stents gemäß Fig. 1.Fig. 2 is a representation corresponding to Fig. 1 of the web structure of the wall of the stent according to Fig. 1.

Fig. 1 zeigt den grundsätzlichen Aufbau eines erfindungsgemäßen Stents I, der einen flexiblen, rohrförmigen Körper 2 mit einer Wand 3 aufweist, von der in Fig. 1 die Stirnansicht dargestellt ist.Fig. 1 shows the basic structure of a stent I according to the invention, which has a flexible, tubular body 2 with a wall 3, the front view of which is shown in Fig. 1.

Fig. 2 verdeutlicht den Aufbau einer Stegstruktur 4, die die Wand 3 bildet, wobei die Stegstruktur 4 jedoch in Fig. 1 zur Vereinfachung der zeichnerischen Darstellung nicht imFig. 2 illustrates the structure of a web structure 4 which forms the wall 3, whereby the web structure 4 is not shown in Fig. 1 to simplify the drawing.

einzelnen gezeigt ist. Daher wird nachfolgend betreffend den Aufbau der Stegstruktur 4 ausschließlich auf Fig. 2 Bezug genommen, welche den expandierten Zustand der Stegstruktur zeigt.is shown individually. Therefore, with regard to the construction of the web structure 4, reference is made exclusively to Fig. 2, which shows the expanded state of the web structure.

Die Stegstruktur 4 weist je nach Größe des Stents I eine Mehrzahl nebeneinander angeordneter mäanderförmig verlaufender Stegmuster auf, von denen in Fig. 2 repräsentativ die Stegmuster 5 und 6 mit Bezugszeichen gekennzeichnet sind. Wie in Fig. 2 verdeutlicht, verlaufen die Stegmuster 5, 6 mäanderförmig und sind derart ausgerichtet, daß ihre auf den Zylinderwandmantelflächen des Körpers 2 senkrecht stehende Achsen A5 und Ag parallel zueinander angeordnet sind.Depending on the size of the stent I, the web structure 4 has a multiplicity of meandering web patterns arranged next to one another, of which the web patterns 5 and 6 are representatively identified with reference symbols in Fig. 2. As shown in Fig. 2, the web patterns 5, 6 run in a meandering shape and are aligned in such a way that their axes A5 and Ag, which are perpendicular to the cylinder wall surfaces of the body 2, are arranged parallel to one another.

Die Stegmuster (von denen nachfolgend repräsentativ immer nur auf die Stegmuster 5, 6 Bezug genommen wird) sind jeweils über Stegbögen 7 miteinander verbunden, wobei in Fig. 2 vier Stegbögen repräsentativ für alle Stegbögen der Stegstruktur 4 mit der Bezugsziffer 7 versehen sind.The web patterns (of which only web patterns 5, 6 are referred to below) are each connected to one another via web arches 7, whereby in Fig. 2 four web arches are provided with the reference number 7, representative of all web arches of the web structure 4.

Wie sich aus der Zeichnung ergibt, sind die Stegbögen 7 erfindungsgemäß derart ausgerichtet, daß ihre Scheitelpunkte S alle in die gleiche Richtung weisen. Das bedeutet im Falle der zeichnerischen Darstellung gemäß Fig. 2, daß alle Scheitelpunkte S der Stegbögen 7 nach oben gerichtet sind, so daß die Öffnung der haarnadelartig ausgebildeten Stegbögen 7 gemäß der zeichnerischen Darstellung in Fig. 2 nach unten orientiert sind.As can be seen from the drawing, the web arches 7 are aligned according to the invention in such a way that their vertices S all point in the same direction. In the case of the graphic representation according to Fig. 2, this means that all vertices S of the web arches 7 are directed upwards, so that the opening of the hairpin-shaped web arches 7 are oriented downwards according to the graphic representation in Fig. 2.

Jedes Stegmuster 5 und 6 ist aus einer Vielzahl von Stegschleifen aufgebaut, die einstückig aneinander angereiht sind, um den mäandrierenden Verlauf der Stegmuster 5, 6 zu bilden. Die Stegbögen weisen jeweils geradlinige Stege und einen diese miteinander verbindenden gebogenen Stegabschnitt auf. In Fig. 2 sind repräsentativ die Stege 8, 9 und der Stegabschnitt 10 mit entsprechenden Bezugsziffern versehen.Each web pattern 5 and 6 is made up of a large number of web loops that are lined up one after the other in one piece to form the meandering course of the web patterns 5, 6. The web arches each have straight webs and a curved web section connecting them to one another. In Fig. 2, the webs 8, 9 and the web section 10 are provided with corresponding reference numbers.

Hierbei ergibt der mäandrierende Verlauf, daß der Stegabschnitt alternierend einmal auf der einen und einmal auf der anderen Seite der jeweiligen Achse A5 bzw. Ag angeordnet ist.The meandering course results in the web section being arranged alternately on one side and then on the other side of the respective axis A 5 or Ag.

Ferner zeigt Fig. 2, daß jeder Stegbogen 7 zwei Fußpunkte P1, P2 hat, die das dem Scheitelpunkt S jeweils gegenüber angeordnete Ende des Stegbogens bilden. Die Fußpunkte P1, P2 bilden hierbei die Verbindungspunkte des jeweiligen Stegbogens 7 mit den jeweiligen Stegschleifen benachbarter Stegmuster 5, 6, wobei die Fußpunkte P1, P2 jeweils im Bereich des Stegabschnittes 10 in die jeweilige Stegschleife übergehen .Furthermore, Fig. 2 shows that each web arch 7 has two foot points P 1 , P 2 , which form the end of the web arch opposite the vertex S. The foot points P 1 , P 2 form the connection points of the respective web arch 7 with the respective web loops of adjacent web patterns 5, 6, wherein the foot points P 1 , P 2 each merge into the respective web loop in the area of the web section 10.

Der derart aufgebaute erfindungsgemäße koronare Stent 1 weist sehr gute Flexibilität in Längs- und Querrichtung auf und kann damit auf einfache und sichere Weise in dem aufzuweitenden Gefäß bzw. der aufzuweitenden Körperöffnung angebracht werden. Es ist selbstverständlich, daß der Stent 1 aus körperverträglichem Material, insbesondere Edelstahl, besteht.The coronary stent 1 according to the invention constructed in this way has very good flexibility in the longitudinal and transverse directions and can therefore be installed in a simple and safe manner in the vessel or body opening to be expanded. It goes without saying that the stent 1 is made of biocompatible material, in particular stainless steel.

Claims (6)

AnsprücheExpectations 1. Koronarer Stent (1) mit einem rohrförmigen, flexiblen Körper (2), dessen Wand (3) aus einer Stegstruktur (4) besteht, die nebeneinander angeordnete mäanderartig verlaufende Stegmuster (5, 6) aufweist, die über haarnadelartig ausgebildete, einen Scheitelpunkt (S) aufweisende Stegbögen (7) verbunden sind, dadurch gekennzeichnet, daß die Scheitelpunkte (S) aller Stegbögen (7) in dieselbe Richtung weisen.1. Coronary stent (1) with a tubular, flexible body (2), the wall (3) of which consists of a web structure (4) which has meandering web patterns (5, 6) arranged next to one another and which are connected via hairpin-shaped web arches (7) having a vertex (S), characterized in that the vertices (S) of all web arches (7) point in the same direction. 2. Stent nach Anspruch 1, dadurch gekennzeichnet, daß die Stegmuster (5, 6) zumindest weitgehend parallel zueinander verlaufende Achsen (A5, A6) haben.2. Stent according to claim 1, characterized in that the web patterns (5, 6) have axes (A 5 , A 6 ) which run at least largely parallel to one another. 3. Stent nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Stegmuster (5, 6) aus einer Vielzahl aneinander angereihter Stegschleifen aufgebaut sind, die jeweils zwei geradlinige Stege (8, 9) und einen diese verbindenden gebogenen Stegabschnitt (10) aufweisen.3. Stent according to claim 1 or 2, characterized in that the web patterns (5, 6) are constructed from a plurality of web loops arranged in a row, each of which has two straight webs (8, 9) and a curved web section (10) connecting them. 4. Stent nach Anspruch 3, dadurch gekennzeichnet, daß jeder Stegbogen (7) zwei Fußpunkte (P]_, &Rgr;2) aufweist, an denen er mit den Stegabschnitten (10) jeweiliger Stegschleifen benachbarter Stegmuster (5, 6) verbunden ist.4. Stent according to claim 3, characterized in that each web arch (7) has two foot points (P]_, &Rgr;2) at which it is connected to the web sections (10) of respective web loops of adjacent web patterns (5, 6). 5. Stent nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Stegstruktur (4) aus körperverträglichem Material, insbesondere Edelstahl, besteht.5. Stent according to one of claims 1 to 4, characterized in that the web structure (4) consists of biocompatible material, in particular stainless steel. 6. Stent nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die geradlinigen Stege (8, 9) einen spitzen Winkel einschließen.6. Stent according to one of claims 1 to 5, characterized in that the straight webs (8, 9) enclose an acute angle.
DE29608037U 1996-05-03 1996-05-03 Coronary stent Ceased DE29608037U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19617823A DE19617823A1 (en) 1996-05-03 1996-05-03 Vascular prosthesis for coronary use
DE29608037U DE29608037U1 (en) 1996-05-03 1996-05-03 Coronary stent

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19617823A DE19617823A1 (en) 1996-05-03 1996-05-03 Vascular prosthesis for coronary use
DE29608037U DE29608037U1 (en) 1996-05-03 1996-05-03 Coronary stent

Publications (1)

Publication Number Publication Date
DE29608037U1 true DE29608037U1 (en) 1996-07-11

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Family Applications (2)

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DE29608037U Ceased DE29608037U1 (en) 1996-05-03 1996-05-03 Coronary stent
DE19617823A Ceased DE19617823A1 (en) 1996-05-03 1996-05-03 Vascular prosthesis for coronary use

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19617823A Ceased DE19617823A1 (en) 1996-05-03 1996-05-03 Vascular prosthesis for coronary use

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DE (2) DE29608037U1 (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29702671U1 (en) * 1997-02-17 1997-04-10 Jomed Implantate GmbH, 72414 Rangendingen Stent
DE29708689U1 (en) * 1997-05-15 1997-07-17 Jomed Implantate GmbH, 72414 Rangendingen Coronary stent
WO1997040780A1 (en) * 1996-04-26 1997-11-06 Jang G David Intravascular stent
DE29716476U1 (en) 1997-09-13 1997-12-18 Convent, Gerd, 47829 Krefeld Stenosis treatment stent
EP0824902A1 (en) * 1996-08-23 1998-02-25 Nozomu Kanesaka Expandable stent
WO1998042277A1 (en) * 1997-03-25 1998-10-01 Jang G David Intravascular stent
DE19728337A1 (en) * 1997-07-03 1999-01-07 Inst Mikrotechnik Mainz Gmbh Implantable stent
US5922021A (en) * 1996-04-26 1999-07-13 Jang; G. David Intravascular stent
US5948016A (en) * 1997-09-25 1999-09-07 Jang; G. David Intravascular stent with non-parallel slots
US5954743A (en) * 1996-04-26 1999-09-21 Jang; G. David Intravascular stent
US6039756A (en) * 1996-04-26 2000-03-21 Jang; G. David Intravascular stent
US6123721A (en) * 1998-02-17 2000-09-26 Jang; G. David Tubular stent consists of chevron-shape expansion struts and ipsilaterally attached M-frame connectors
US6235053B1 (en) 1998-02-02 2001-05-22 G. David Jang Tubular stent consists of chevron-shape expansion struts and contralaterally attached diagonal connectors
WO2004062533A1 (en) 2003-01-09 2004-07-29 Qualimed Innovative Medizinprodukte Gmbh Stent
US6770088B1 (en) 1996-04-26 2004-08-03 Scimed Life Systems, Inc. Intravascular stent
EP1028772A4 (en) * 1997-02-07 2006-07-05 Endosystems Llc Non-foreshortening intraluminal prosthesis
US7534257B2 (en) 1996-09-19 2009-05-19 Medinol Ltd. Stent with variable features to optimize support and method of making such stent
US8449597B2 (en) 1995-03-01 2013-05-28 Boston Scientific Scimed, Inc. Longitudinally flexible expandable stent
US9445926B2 (en) 1996-04-26 2016-09-20 Boston Scientific Scimed, Inc. Intravascular stent

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US6165210A (en) 1994-04-01 2000-12-26 Gore Enterprise Holdings, Inc. Self-expandable helical intravascular stent and stent-graft
US6015429A (en) 1994-09-08 2000-01-18 Gore Enterprise Holdings, Inc. Procedures for introducing stents and stent-grafts
AU1413797A (en) 1995-12-14 1997-07-03 Prograft Medical, Inc. Stent-graft deployment apparatus and method
US6042605A (en) 1995-12-14 2000-03-28 Gore Enterprose Holdings, Inc. Kink resistant stent-graft
US6352561B1 (en) 1996-12-23 2002-03-05 W. L. Gore & Associates Implant deployment apparatus
US6551350B1 (en) 1996-12-23 2003-04-22 Gore Enterprise Holdings, Inc. Kink resistant bifurcated prosthesis
US5925061A (en) 1997-01-13 1999-07-20 Gore Enterprise Holdings, Inc. Low profile vascular stent
DE19834956B9 (en) * 1997-08-01 2005-10-20 Eckhard Alt Supporting prosthesis (stent)
WO2003053284A1 (en) * 2001-12-20 2003-07-03 White Geoffrey H An intraluminal stent and graft
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