CA2518099C - Kink resistant endovascular graft - Google Patents

Kink resistant endovascular graft Download PDF

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Publication number
CA2518099C
CA2518099C CA2518099A CA2518099A CA2518099C CA 2518099 C CA2518099 C CA 2518099C CA 2518099 A CA2518099 A CA 2518099A CA 2518099 A CA2518099 A CA 2518099A CA 2518099 C CA2518099 C CA 2518099C
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CA
Canada
Prior art keywords
radial support
circumferential
section
longitudinal
tubular section
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 - Fee Related
Application number
CA2518099A
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French (fr)
Other versions
CA2518099A1 (en
Inventor
Stuart E. Kari
Michael V. Chobotov
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2518099A1 publication Critical patent/CA2518099A1/en
Application granted granted Critical
Publication of CA2518099C publication Critical patent/CA2518099C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • A61F2/89—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 comprising two or more adjacent rings flexibly connected by separate members
    • 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
    • A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
    • 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
    • A61F2/848—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
    • A61F2002/8486—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 provided on at least one of the ends
    • 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
    • A61F2250/0003—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having an inflatable pocket filled with fluid, e.g. liquid or gas

Abstract

An intracorporeal device, such as an endovascular graft, having a tubular section with circumferential or helical radial support members. The radial support members may be inflatable channels which support the tubular structure of the graft and which are appropriately sized and longitudinally spaced to prevent or reduce kinking of the tubular structure upon bending of the tubular structure.

Claims (18)

1. A tubular intracorporeal device comprising a longitudinal section which comprises a plurality of circumferential radial support members with a substantially constant longitudinal spacing between the circumferential radial support members that is about 70 to about 110 percent of a longitudinal thickness of the circumferential radial support members, the circumferential radial support members having a radial thickness that is between about 8.5 and about 32 percent of an outer transverse dimension of the tubular section.
2. The device of claim 1 wherein the circumferential radial support members comprise circumferential inflatable channels in an inflated state.
3. The device of claim 1 wherein a transverse cross section of the circumferential radial support members has a substantially annular configuration.
4. The device of claim 1 wherein the longitudinal section comprises a tubular section and a longitudinal thickness of the circumferential radial support members is about 10 to about 30 percent of an outer transverse dimension of the tubular section.
5. The device of claim 2, wherein the circumferential inflatable channels may be inflated with an internal inflation pressure of about 3 to about 25 psi.
6. The device of claim 2 wherein the device comprises an endovascular graft.
7. The device of claim 6, wherein the graft has a minimum bend radius of about 5mm to about 7mm without kinking.
8. The device of claim 2 wherein the longitudinal section comprises a tubular section and the circumferential inflatable channels are formed integrally with a flexible material of the tubular section.
9. The device of claim 8, wherein the flexible material comprises expanded polytetrafluoroethylene.
10. The device of claim 2 wherein the longitudinal section comprises a tubular section and-the circumferential inflatable channels are formed separately from the tubular section and secured thereto.
11. The device of claim 2 wherein a longitudinal section of the circumferential inflatable channels in an inflated state has a substantially round configuration.
12. The device of claim 1 wherein a longitudinal section of the circumferential radial support members has a substantially round configuration.
13. A tubular intracorporeal device comprising a longitudinal section which comprises a helical radial support member with a substantially constant longitudinal spacing between adjacent coils of the helical radial support member that is about 70 to about 110 percent of a longitudinal thickness of the helical radial support member, the helical radial support member having a radial thickness that is between about 8.5 and about 32 percent of an outer transverse dimension of the tubular section.
14. The device of claim 13 wherein the helical radial support member comprises a helical inflatable channel in an inflated state.
15. The device of claim 13 wherein the longitudinal section comprises a tubular section and a longitudinal thickness of the helical radial support member is about 10 to about 30 percent of an outer transverse dimension of the tubular section.
16. The device of claim 13 wherein the device comprises an endovascular graft.
17. The device of claim 14 wherein the longitudinal section comprises a tubular section and the helical inflatable channel is formed integrally with a flexible material of the tubular section.
18. The device of claim 14 wherein the longitudinal section comprises a tubular section and the helical inflatable chaimel is formed separately from the tubular section and secured thereto.
CA2518099A 2003-03-06 2004-03-05 Kink resistant endovascular graft Expired - Fee Related CA2518099C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/384,103 2003-03-06
US10/384,103 US7150758B2 (en) 2003-03-06 2003-03-06 Kink resistant endovascular graft
PCT/US2004/006843 WO2004080338A2 (en) 2003-03-06 2004-03-05 Kink resistant endovascular graft

Publications (2)

Publication Number Publication Date
CA2518099A1 CA2518099A1 (en) 2004-09-23
CA2518099C true CA2518099C (en) 2012-01-03

Family

ID=32927194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2518099A Expired - Fee Related CA2518099C (en) 2003-03-06 2004-03-05 Kink resistant endovascular graft

Country Status (7)

Country Link
US (1) US7150758B2 (en)
EP (2) EP1601314B1 (en)
JP (1) JP2006519682A (en)
AT (1) ATE535211T1 (en)
AU (1) AU2004220616C1 (en)
CA (1) CA2518099C (en)
WO (1) WO2004080338A2 (en)

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EP2319456B1 (en) 2013-11-06
WO2004080338A3 (en) 2005-03-31
EP1601314A4 (en) 2007-04-18
EP2319456A1 (en) 2011-05-11
WO2004080338A2 (en) 2004-09-23
AU2004220616C1 (en) 2010-07-15
AU2004220616B2 (en) 2010-01-21
JP2006519682A (en) 2006-08-31
AU2004220616A1 (en) 2004-09-23
CA2518099A1 (en) 2004-09-23
EP1601314A2 (en) 2005-12-07
EP1601314B1 (en) 2011-11-30
US20040176836A1 (en) 2004-09-09
ATE535211T1 (en) 2011-12-15
US7150758B2 (en) 2006-12-19

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