DE29623983U1 - Double-supported intraluminal implant - Google Patents

Double-supported intraluminal implant

Info

Publication number
DE29623983U1
DE29623983U1 DE29623983U DE29623983U DE29623983U1 DE 29623983 U1 DE29623983 U1 DE 29623983U1 DE 29623983 U DE29623983 U DE 29623983U DE 29623983 U DE29623983 U DE 29623983U DE 29623983 U1 DE29623983 U1 DE 29623983U1
Authority
DE
Germany
Prior art keywords
radially expandable
tubular
implant
double
intraluminal
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
DE29623983U
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.)
Bard Peripheral Vascular Inc
Original Assignee
Impra Inc
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
Priority claimed from US08/430,970 external-priority patent/US5667523A/en
Application filed by Impra Inc filed Critical Impra Inc
Publication of DE29623983U1 publication Critical patent/DE29623983U1/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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A61F2/07—Stent-grafts
    • 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
    • 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
    • A61F2/848—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
    • 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
    • A61F2/852—Two or more distinct overlapping stents
    • 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
    • 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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A61F2/07—Stent-grafts
    • A61F2002/075—Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
    • 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
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
    • A61F2250/0063—Nested prosthetic parts

Description

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

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

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Claims (15)

1. Radial expandierbares, doppelt gestütztes intraluminales Implantat, umfassend:
ein erstes, radial expandierbares, röhrenförmiges Stützelement;
ein zweites, radial expandierbares, röhrenförmiges Stützelement, das ein erstes und zweites jeweils gegenüberliegendes Ende hat und konzentrisch bezüglich des ersten radial expandierbaren, röhrenförmigen Stützelements positioniert ist; und
ein geschäumtes röhrenförmiges Polytetrafluorethylen- Element, das zwischen das erste und zweite radial expandierbare, röhrenförmige Stützelement platziert ist, wobei es ein erstes und zweites gegenüberliegendes Ende hat, die mit dem ersten und zweiten gegenüberliegenden Ende des zweiten radial expandierbaren, röhrenförmigen Stützelements verbunden sind.1. A radially expandable, double-supported intraluminal implant comprising:
a first, radially expandable, tubular support element;
a second radially expandable tubular support member having first and second opposite ends and positioned concentrically with respect to the first radially expandable tubular support member; and
a foamed tubular polytetrafluoroethylene element placed between the first and second radially expandable tubular support members having first and second opposite ends connected to the first and second opposite ends of the second radially expandable tubular support member. 2. Radial expandierbares, doppelt gestütztes, intraluminales Implantat nach Anspruch 1, wobei das erste und zweite radial expandierbare röhrenförmige Stützelement aus einem biokompatiblen Material gefertigt sind, das aus der Gruppe ausgewählt ist, die aus Silber, Titan, rostfreiem Stahl und Gold besteht. 2. Radially expandable, double-supported, The intraluminal implant of claim 1, wherein the first and second radially expandable tubular Support element made of a biocompatible material are made, which is selected from the group that consists of silver, titanium, stainless steel and gold.   3. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 1, wobei geschäumtes Polytetrafluorethylen durch eine mikroporöse Mikrostruktur gekennzeichnet ist, die einen durchschnittlichen Abstand zwischen den Knoten im Bereich von 10 bis 90 Mikron hat.3. Radially expandable, double-supported intraluminal The implant of claim 1, wherein foamed Polytetrafluoroethylene through a microporous Microstructure is characterized by one average distance between the nodes in the Has a range of 10 to 90 microns. 4. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 1, wobei mindestens eines von dem ersten und zweiten gegenüberliegenden Ende des geschäumten röhrenförmigen Polytetrafluorethylen- Elements nach außen gedreht über das erste und zweite Ende des zweiten radial expandierbaren, röhrenförmigen Stützelements gefaltet sind, so dass das erste und zweite gegenüberliegende Ende des zweiten radial expandierbaren, röhrenförmigen Stützelements ringförmig durch das geschäumte röhrenförmige Polytetrafluorethylen-Element bedeckt sind und das erste und zweite Ende des geschäumten röhrenförmigen Polytetrafluorethylenelements bezüglich des ersten und zweiten Endes des zweiten radial expandierbaren, röhrenförmigen Stützelements gestützt sind.4. Radially expandable, double-supported intraluminal The implant of claim 1, wherein at least one of the first and second opposite ends of the foamed tubular polytetrafluoroethylene Elements turned outward over the first and second End of the second radially expandable, tubular Support element are folded so that the first and second opposite end of the second radially expandable, tubular support element ring-shaped through the foamed tubular Polytetrafluoroethylene element are covered and the first and second end of the foamed tubular Polytetrafluoroethylene element with respect to the first and second end of the second radially expandable, tubular support member are supported. 5. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 4, wobei das mindestens eine zurückgefaltete erste und zweite Ende des geschäumten röhrenförmigen Polytetrafluorethylen-Elements ein Stück von bis zu einer halben Länge des zweiten röhrenförmigen Stützelements umfasst.5. Radially expandable, double-supported intraluminal The implant of claim 4, wherein the at least one folded back first and second ends of the foamed tubular polytetrafluoroethylene element one piece of up to half a length of the second tubular Includes support member. 6. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 1, wobei das zweite röhrenförmige Stützelement weiter ein erstes und zweites radial expandierbares Ringelement umfasst, die in einem beabstandeten Verhältnis zueinander an den ersten und zweiten Enden jeweils des ersten röhrenförmigen Stützelements platziert sind.6. Radially expandable, double-supported intraluminal The implant of claim 1, wherein the second tubular support member further a first and second comprises radially expandable ring element, which in one spaced relationship to each other at the first and  second ends of each of the first tubular Support element are placed. 7. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 6, wobei das erste und zweite Ende des geschäumten röhrenförmigen Polytetrafluorethylen-Elements nach außen gedreht auf äußere Oberflächen des ersten und zweiten radial expandierbaren Ringelements gefaltet sind, die dadurch mindestens teilweise durch das nach außen gefaltete erste und zweite Ende des geschäumten röhrenförmigen Polytetrafluorethylen-Materials umschlossen sind.7. Radially expandable, double-supported intraluminal The implant of claim 6, wherein the first and second End of foamed tubular Polytetrafluoroethylene element turned outwards outer surfaces of the first and second radially expandable ring element are folded, thereby at least partially by the folded outward first and second ends of the foamed tubular Polytetrafluoroethylene material are enclosed. 8. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 7, wobei das nach außen gefaltete erste und zweite Ende des geschäumten röhrenförmigen Polytetrafluorethylen-Elements jeweils ein Stück von bis zu einer Hälfte einer Länge des ersten und zweiten radial expandierbaren Ringelements umfassen.8. Radially expandable, double-supported intraluminal The implant of claim 7, wherein the outside folded first and second ends of the foamed tubular polytetrafluoroethylene element each a piece up to a half the length of the first and comprise a second radially expandable ring element. 9. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 6, wobei das erste radial expandierbare, röhrenförmige Stützelement ein erstes und zweites radial expandierbares Ringelement umfasst, die konzentrisch um das erste und zweite radial expandierbare Ringelement, umfassend das zweite radial expandierbare röhrenförmige Stützelement, positioniert sind und das geschäumte röhrenförmige Polytetrafluorethylen-Element weiter einen Zwischenbereich entlang einer Längsachse des intraluminalen Implantats umfasst, der weder durch das erste noch das zweite radial expandierbare Ringelement gestützt ist, die sowohl das erste als auch das zweite radial expandierbare, röhrenförmige Stützelement umfassen. 9. Radially expandable, double-supported intraluminal The implant of claim 6, wherein the first is radial expandable, tubular support member a first and comprises a second radially expandable ring element, the concentric around the first and second radial expandable ring element, comprising the second radially expandable tubular support element, positioned are and the foamed tubular Polytetrafluoroethylene element further one Intermediate area along a longitudinal axis of the intraluminal implant, which is neither by the the first still the second radially expandable ring element is supported, both the first and the second radially expandable, tubular support element include.   10. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 9, wobei das geschäumte röhrenförmige Polytetrafluorethylen-Element nach außen um das erste und zweite radial expandierbare Ringelement gefaltet ist, die das zweite radial expandierbare röhrenförmige Stützelement umfassen.10. Radially expandable, double-supported intraluminal The implant of claim 9, wherein the foamed tubular polytetrafluoroethylene element to the outside around the first and second radially expandable ring element is folded, which is the second radially expandable include tubular support member. 11. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 9, weiter umfassend mindestens ein Paar von konzentrisch positionierten, radial expandierbaren zylindrischen Stützelementen, die zwischen dem ersten und zweiten radial expandierbaren Ringelement positioniert sind, die sowohl das erste als auch das zweite radial expandierbare, röhrenförmige Stützelement umfassen und in einem beabstandeten Verhältnis dazu sind, wobei das geschäumte röhrenförmige Polytetrafluorethylen-Element zwischen das Paar von konzentrisch positionierten, radial expandierbaren, zylindrischen Stützelementen platziert ist.11. Radially expandable, double-supported intraluminal The implant of claim 9, further comprising at least a pair of concentrically positioned, radial expandable cylindrical support members that between the first and second radially expandable Ring element are positioned, both the first and also the second radially expandable, tubular one Include support member and in a spaced Relative to that, being the foamed tubular Polytetrafluoroethylene element between the pair of concentrically positioned, radially expandable, cylindrical support elements is placed. 12. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 11, wobei das erste und zweite Ende des geschäumten röhrenförmigen Polytetrafluorethylen-Elements nach außen gedreht mit sowohl dem ersten als auch zweiten Ringelement von beiden ersten und zweiten radial expandierbaren röhrenförmigen Stützelementen verbunden sind.12. Radially expandable, double-supported intraluminal The implant of claim 11, wherein the first and second End of foamed tubular Polytetrafluoroethylene element turned outwards with both the first and second ring members of two first and second radially expandable tubular support elements are connected. 13. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 1, wobei das erste und zweite radial expandierbare, röhrenförmige Stützelement jeweils eine Vielzahl von konzentrischen Paaren von Stützelementen umfassen, die koaxial ausgerichtet sind und in einem beabstandeten Verhältnis miteinander entlang einer Längsachse des intraluminalen Implantats sind, und wobei das geschäumte röhrenförmige Polytetrafluorethylen-Element zwischen die Vielzahl von konzentrischen Paaren von Stützelementen platziert ist und davon gehalten wird, wodurch eine Flexibilität entlang der Längsachse des intraluminalen Implantats verliehen wird.13. Radially expandable, double-supported intraluminal The implant of claim 1, wherein the first and second radially expandable, tubular support element each a variety of concentric pairs of Include support elements which are aligned coaxially and in a spaced relationship along a longitudinal axis of the intraluminal implant and the foamed tubular  Polytetrafluoroethylene element between the variety of concentric pairs of support elements is placed and is kept by it, giving flexibility along the longitudinal axis of the intraluminal implant is awarded. 14. Radial expandierbares, doppelt gestütztes intraluminales Implantat nach Anspruch 13, wobei das erste und zweite Ende des röhrenförmigen Polytetrafluorethylen-Elements nach außen gefaltete erste und zweite Enden von gegenüberliegenden Endpaaren der Vielzahl von konzentrischen Paaren von Stützelementen sind, die sowohl das erste als auch das zweite zylindrisch geformte Stützelement umfassen.14. Radially expandable, double-supported intraluminal The implant of claim 13, wherein the first and second End of the tubular polytetrafluoroethylene element outwardly folded first and second ends of opposite end pairs of the plurality of are concentric pairs of support members that both the first and the second cylindrical molded support member. 15. Radial expandierbares, doppelt gestütztes, intraluminales Implantat nach Anspruch 1, wobei das erste und zweite radial expandierbare, röhrenförmige Stützelement aus einem biokompatiblen Kunststoff gefertigt sind, der eine ausreichende Umfangsspannung und radiale Elastizität hat, um eine gleichmäßige radiale Expansion ohne einem radialen Einbruch unter physiologischen Zuständen zu ermöglichen.15. Radially expandable, double-supported, The intraluminal implant of claim 1, wherein the first and second radially expandable, tubular Support element made of a biocompatible plastic are made of sufficient circumferential tension and has radial elasticity to ensure even radial expansion without a radial dip below to enable physiological conditions.
DE29623983U 1995-04-28 1996-04-02 Double-supported intraluminal implant Expired - Lifetime DE29623983U1 (en)

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US08/430,970 US5667523A (en) 1995-04-28 1995-04-28 Dual supported intraluminal graft
EP96911474A EP0822789B1 (en) 1995-04-28 1996-04-02 Dual supported intraluminal graft

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WO2018078019A1 (en) * 2016-10-26 2018-05-03 Manemed Ingenieurbüro für Medizintechnik Double stent
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DE10219014A1 (en) 2002-04-27 2003-11-13 Ruesch Willy Gmbh Self-expanding stent for reinforcing and/or keeping open a hollow organ comprise two elastic tubular layers which bracket and positionally fix at least one helical filament

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EP1481649A1 (en) * 2003-05-23 2004-12-01 Taewoong Medical Co., Ltd. Flexible self-expandable stent and method of producing the same
WO2017125312A1 (en) * 2016-01-19 2017-07-27 Bentley Innomed Gmbh Double stent
RU2706532C1 (en) * 2016-01-19 2019-11-19 Бентли Инномед Гмбх Double stent
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WO2018078019A1 (en) * 2016-10-26 2018-05-03 Manemed Ingenieurbüro für Medizintechnik Double stent
US10874534B2 (en) 2016-10-26 2020-12-29 Mob.ing Gmbh Double stent
RU2742503C2 (en) * 2016-10-26 2021-02-08 Моб.Инг Гмбх Double stent
RU2772217C2 (en) * 2018-03-14 2022-05-18 Моб.Инг Гмбх Double stent
US11819429B2 (en) 2018-03-14 2023-11-21 Bentley Innomed Gmbh Double stent
EP4076275B1 (en) * 2019-12-20 2024-02-07 Stental GmbH Multiple stent with membrane

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