CA2496136A1 - Composite prosthesis - Google Patents

Composite prosthesis Download PDF

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Publication number
CA2496136A1
CA2496136A1 CA002496136A CA2496136A CA2496136A1 CA 2496136 A1 CA2496136 A1 CA 2496136A1 CA 002496136 A CA002496136 A CA 002496136A CA 2496136 A CA2496136 A CA 2496136A CA 2496136 A1 CA2496136 A1 CA 2496136A1
Authority
CA
Canada
Prior art keywords
prosthesis
composite
stents
connecting end
prosthesis portion
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.)
Granted
Application number
CA002496136A
Other languages
French (fr)
Other versions
CA2496136C (en
Inventor
David Ernest Hartley
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.)
William A Cook Australia Pty Ltd
William Cook Europe ApS
Cook Inc
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 CA2496136A1 publication Critical patent/CA2496136A1/en
Application granted granted Critical
Publication of CA2496136C publication Critical patent/CA2496136C/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
    • A61F2/89—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
    • A61F2002/065—Y-shaped blood vessels
    • A61F2002/067—Y-shaped blood vessels modular
    • 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
    • A61F2002/8483—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
    • A61F2/848—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
    • 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
    • A61F2230/005—Rosette-shaped, e.g. star-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
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical
    • 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
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0037—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in height or in length
    • 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
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0039—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in diameter

Abstract

A prosthesis assembly for deployment in an aorta to span an aortic aneurysm. The prosthesis assembly has at least first and second members (2,4) with an end portion (12) of one member (2) to be joined to an end portion (24) of th e other member (4) when in and when expanded within a lumen of a patient. Each member (2,4) has a stent arrangement (10,25) associated with a graft arrangement (8,26). The end portion of one member has at least part of its stent arrangement on the inner surface of its graft arrangement and the end portion of the other member has at least part of its stent arrangement on th e inner surface of its graft arrangement. Advantageously two stents are overlapped. The joining portions of the first and second members can have th e same diameter.

Claims (14)

1. A composite prosthesis adapted for deployment in a lumen, the prosthesis comprising at least a first substantially tubular prosthesis portion and a second substantially tubular prosthesis portion to be connected together to form the composite prosthesis, characterized by each prosthesis portion comprising a plurality of self expanding stents on an outer surface thereof along the length of each portion and at least one self expanding stent on an inside surface thereof at a connection end of each portion, said connection ends of each prosthesis portion adapted to engage with the connection end of the other prosthesis portion with at least two stents overlapping, so that when so connected there is a cylindrical region with no stent between the engaging portions whereby to provide a seat between the portions.
2. A composite prosthesis as in Claim 1 wherein each connection end has the same outside diameter, whereby in use the connection end of the first prosthesis portion can be deployed either inside or outside the connection end of the second prosthesis portion.
3. A composite prosthesis as in Claim 1 wherein the second prosthesis portion is an aorto-uni-iliac prosthesis.
4. A composite prosthesis as in Claim 1 wherein the second prosthesis portion is a bifurcated stent graft having a body portion and two leg portions extending therefrom.
5. A composite prosthesis as in Claim 4 wherein the bifurcated second prosthesis portion has a shorter leg and a longer leg and there are self expanding stents on the outside of the shorter leg and the inside of the distal end of the longer leg.
6. A composite prosthesis as in Claim 5 further including at least one leg prosthesis portion adapted to be deployed into either the longer or shorter legs of the bifurcated second prosthesis portion.
7. A composite prosthesis as in Claim 1 wherein the first prosthesis portion comprises a proximally extending self expanding stent including barbs to engage against the wall of a lumen when deployed to hold the first prosthesis portion in place.
8. A composite prosthesis as in Claim 1 wherein the stents are zig zag Z
stents made from nitinol or stainless steel.

tubular prosthesis portion, characterized by each prosthesis portion having a plurality of self expanding stents on an outer surface thereof along the length of each portion and at least one self expanding stent on an inside surface thereof at each end of each portion, each prosthesis portion having a connecting end adapted to engage with the connecting end of the other prosthesis portion and a remote end at the opposite end to the connecting end, each connecting end having the same outside diameter as the other connecting end, whereby in use the connecting end of the first prosthesis portion can be deployed either inside or outside the connecting end of the second prosthesis portion with at least two stents overlapping.
7. A composite prosthesis adapted for deployment in an aorta to span an aortic aneurysm adjacent to or including an aortic bifurcation, the prosthesis comprising a substantially tubular proximal prosthesis portion and a substantially tubular distal prosthesis portion, characterised by each prosthesis portion having a plurality of self expanding stents on an outer surface thereof along the length of each portion and at least one self expanding stent on an inside surface thereof at each end of each portion, each prosthesis portion having a connecting end adapted to engage with the connecting end of the other prosthesis portion and a remote end at the opposite end to the connecting end, each connecting end having the same outside diameter as the other connecting end, whereby in use the connecting end of the proximal prosthesis portion can be deployed either inside or outside the connecting end of the distal prosthesis portion with at least two stents overlapping such that the either the distal or proximal prosthesis portion can be deployed first and the other prosthesis portion deployed so that its connecting end is within the connecting end of the first deployed prosthesis portion.
8. A composite prosthesis as in Claim 6 or Claim 7 wherein the second or distal prosthesis portion is an aorto-uni-iliac prosthesis.
9. A composite prosthesis as in Claim 6 or Claim 7 wherein the second or distal prosthesis portion is a bifurcated graft having a body portion and two leg portions.
10. A composite prosthesis as in Claim 9 wherein the bifurcated second or distal prosthesis portion has a shorter leg and a longer leg and there is self expanding stents on the outside of the shorter leg and the inside of the distal end of the longer leg.
11. A composite prosthesis as in Claim 9 further including at least one leg prosthesis portion adapted to be deployed in to either the longer or shorter legs of the bifurcated second or distal prosthesis portion or into the end of the aortouni-iliac prosthesis.
12. A composite prosthesis as in Claim 6 or Claim 7 wherein the first or proximal prosthesis portion is provided with a proximally extending self expanding stent including barbs to engage against the wall of a lumen to hold the graft in place.
13. A composite prosthesis as in any one preceding claim wherein the stents are zig zag Z stents made from nitinol or stainless steel.
14. A composite prosthesis as in any one preceding claim wherein the stents are balloon expandable stents.
CA2496136A 2002-08-23 2003-08-21 Composite prosthesis Expired - Lifetime CA2496136C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40576902P 2002-08-23 2002-08-23
US60/405,769 2002-08-23
PCT/US2003/026154 WO2004017867A1 (en) 2002-08-23 2003-08-21 Composite prosthesis

Publications (2)

Publication Number Publication Date
CA2496136A1 true CA2496136A1 (en) 2004-03-04
CA2496136C CA2496136C (en) 2010-05-04

Family

ID=31946927

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2496136A Expired - Lifetime CA2496136C (en) 2002-08-23 2003-08-21 Composite prosthesis

Country Status (9)

Country Link
US (1) US7294147B2 (en)
EP (1) EP1545396B1 (en)
JP (1) JP4238374B2 (en)
AT (1) ATE417570T1 (en)
AU (1) AU2003262754B2 (en)
CA (1) CA2496136C (en)
DE (1) DE60325395D1 (en)
DK (1) DK1545396T3 (en)
WO (1) WO2004017867A1 (en)

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US20040082990A1 (en) 2004-04-29
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WO2004017867A1 (en) 2004-03-04
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US7294147B2 (en) 2007-11-13

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