CA2458911A1 - Prostheses for curved lumens - Google Patents

Prostheses for curved lumens Download PDF

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Publication number
CA2458911A1
CA2458911A1 CA002458911A CA2458911A CA2458911A1 CA 2458911 A1 CA2458911 A1 CA 2458911A1 CA 002458911 A CA002458911 A CA 002458911A CA 2458911 A CA2458911 A CA 2458911A CA 2458911 A1 CA2458911 A1 CA 2458911A1
Authority
CA
Canada
Prior art keywords
length
prosthesis
prosthetic device
flexible tubular
arrangement
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
CA002458911A
Other languages
French (fr)
Other versions
CA2458911C (en
Inventor
Gregory Paul Van Schie
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
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 CA2458911A1 publication Critical patent/CA2458911A1/en
Application granted granted Critical
Publication of CA2458911C publication Critical patent/CA2458911C/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
    • 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
    • A61F2/02—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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. 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
    • A61F2/95—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
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/04—Metals or alloys
    • 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
    • A61F2/82—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
    • A61F2/82—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
    • A61F2/02—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
    • 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
    • A61F2250/0029—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 bending or flexure capacity
    • 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

Abstract

A prosthetic device (1) for the carriage of fluids therethrough within a hum an or animal body and to be placed in or replace a curved lumen. The prosthetic device has a control arrangement to control the length of one side with respect to the other side so that the device can be curved insitu to fit the curved lumen. The control arrangement can be an expansion restriction arrangement or a length reduction arrangement. The prosthesis can be stented or unstented and be formed from a tubular or corrugated material.

Claims (20)

1 . A flexible tubular prosthetic device for the carriage of fluids therethrough within a human or animal body and for placement in or replacement of a curved lumen, the prosthetic device having diametrically opposed first and second longitudinal sides and a control arrangement to control the length of the first longitudinal side with respect to the second longitudinal side, whereby the device can be curved insitu to fit the curved lumen.
2. A flexible tubular prosthetic device as in Claim 1 wherein the control arrangement is an expansion restriction arrangement to restrict expansion of at least part of the first side.
3. A flexible tubular prosthetic device as in Claim 1 wherein the control arrangement includes a length reduction arrangement to reduce at least part of the length of the first side.
4. A flexible tubular prosthetic device as in Claim 1 wherein the prosthetic device is a stented prosthesis.
5. A flexible tubular prosthetic device as in Claim 1 wherein the prosthetic device is an unstented prosthesis.
6. A flexible tubular prosthetic device as in Claim 2 wherein the expansion restriction arrangement is stitching or stapling on the first side so that the amount of expansion which can occur on the first side is restricted.
7. A flexible tubular prosthetic device as in Claim 2 wherein the prosthetic device has transverse corrugations defining alternate ridges and valleys along at least part of the length of the prosthetic device and thereby providing a device which is longitudinally extendable and wherein the expansion restriction arrangement prevents expansion of at least some of the corrugations on the first side.
8. A flexible tubular prosthetic device as in Claim 7 wherein the expansion restriction arrangement is stitching or stapling of some of the corrugations.
9. A flexible tubular prosthetic device as in Claim 7 wherein the expansion restriction arrangement comprises stitching or stapling together of adjacent corrugations of some of the corrugations on the first longitudinal side, whereby upon stretching of the flexible tubular prosthetic device, the second longitudinal side can extend more than the first longitudinal side thereby forming a curve in the flexible tubular prosthetic device.
10. A flexible tubular prosthetic device as in Claim 3 wherein the length reduction arrangement includes a resilient arrangement.
11. An endoluminal prosthesis for placement in a curved lumen, the prosthesis having a biocompatible graft material tube and having a length reduction arrangement on one longitudinal side of the tube, whereby upon deployment within the lumen, the length of the one longitudinal side of the prosthesis can be reduced with respect to an opposite longitudinal side of the prosthesis to pause the prosthesis to curve to better fit the walls of the curved lumen.
12. An endoluminal prosthesis as in Claim 11 wherein the graft material tube has a plurality of stents mounted along the length of the graft tube.
13. An endoluminal prosthesis as in Claim 12 wherein the stents are balloon expanded mesh metal stents.
14. An endoluminal prosthesis as in Claim 12 wherein the stents are self expanding stents.
15. An endoluminal prosthesis as in Claim 12 wherein the stents are spaced apart along the length of the graft material tube and wherein during the activation of the length reduction arrangement, the stents on one side of the graft move closer together while they stay substantially the same distance apart on the other side of the prosthesis.
16. An endoluminal prosthesis as in Claim 11 wherein the length reduction means comprises a length of elastic material positioned longitudinally along part or all of the length of the graft material tube.
17. An endoluminal prosthesis as in Claim 11 wherein the length of elastic material comprises a silicone rubber or similar material.
18. An endoluminal prosthesis as in Claim 17 wherein the length of elastic material elastic material comprises a shape memory metal which when released from the deployment device tends to reduce in length a longitudinally extending zig zag or z stent or a stainless steel spring stent extending down at least one part of the side of the prosthesis.
19. An endoluminal prosthesis as in Claim 11 wherein the length reduction arrangement comprises a series of sutures or alternative forms of cords or strings fitted to the prosthesis tube at one or more places along the length of the tube which reduces the length of the graft as the diameter increases upon expansion after release of the prosthesis from a diametrically contracted position, each suture or string being fixed to two positions on the surface of the graft material with part of its length extending circumferentially on the surface of the graft and part longitudinally, whereby during expansion of the prosthesis upon deployment as the circumference of the prosthesis increases, the length of the longitudinal portion of the suture reduces draws that part of the prosthesis closer to the part of the graft where the circumferential portion of the suture is situated.
20. An endoluminal prosthesis as in Claim 11 wherein the length reduction arrangement comprises an anchor wire fitted into the length of the graft material tube on one side with the anchor wire joined to the proximal end of the prosthesis with a slip knot to release the anchor wire when desired, whereby the prosthesis curves after deployment wherein the anchor wire is pulled to reduce the length of one side of the graft.
CA002458911A 2001-10-26 2002-10-25 Prostheses for curved lumens Expired - Lifetime CA2458911C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPR8473 2001-10-26
AUPR8473A AUPR847301A0 (en) 2001-10-26 2001-10-26 Endoluminal prostheses for curved lumens
PCT/US2002/034348 WO2003034948A1 (en) 2001-10-26 2002-10-25 Prostheses for curved lumens

Publications (2)

Publication Number Publication Date
CA2458911A1 true CA2458911A1 (en) 2003-05-01
CA2458911C CA2458911C (en) 2009-12-22

Family

ID=3832295

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002458911A Expired - Lifetime CA2458911C (en) 2001-10-26 2002-10-25 Prostheses for curved lumens

Country Status (10)

Country Link
US (1) US6974471B2 (en)
EP (1) EP1441668B1 (en)
JP (1) JP4212477B2 (en)
KR (1) KR20040050920A (en)
AT (1) ATE384492T1 (en)
AU (1) AUPR847301A0 (en)
CA (1) CA2458911C (en)
DE (1) DE60224818T2 (en)
HK (1) HK1065937A1 (en)
WO (1) WO2003034948A1 (en)

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