CA2214627A1 - Expandable stent - Google Patents

Expandable stent

Info

Publication number
CA2214627A1
CA2214627A1 CA 2214627 CA2214627A CA2214627A1 CA 2214627 A1 CA2214627 A1 CA 2214627A1 CA 2214627 CA2214627 CA 2214627 CA 2214627 A CA2214627 A CA 2214627A CA 2214627 A1 CA2214627 A1 CA 2214627A1
Authority
CA
Canada
Prior art keywords
stent
flexure means
stent defined
apex
wall
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.)
Abandoned
Application number
CA 2214627
Other languages
French (fr)
Inventor
Donald R. Ricci
Ian M. Penn
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.)
Divysio Solutions ULC
Original Assignee
Divysio Solutions ULC
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 to WOPCT/CA97/00152 priority Critical
Priority to WOPCT/CA97/00151 priority
Priority to PCT/CA1997/000151 priority patent/WO1997032543A1/en
Priority to PCT/CA1997/000152 priority patent/WO1997032544A1/en
Application filed by Divysio Solutions ULC filed Critical Divysio Solutions ULC
Priority to CA 2214627 priority patent/CA2214627A1/en
Publication of CA2214627A1 publication Critical patent/CA2214627A1/en
Application status is Abandoned legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents 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
    • A61F2/91Stents 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
    • A61F2/915Stents 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents 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
    • A61F2/91Stents 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents 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
    • A61F2/91Stents 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
    • A61F2/915Stents 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
    • A61F2002/91525Stents 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 within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents 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
    • A61F2/91Stents 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
    • A61F2/915Stents 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
    • A61F2002/91533Stents 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 characterised by the phase between adjacent bands
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents 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
    • A61F2/91Stents 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
    • A61F2/915Stents 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
    • A61F2002/9155Adjacent bands being connected to each other
    • A61F2002/91575Adjacent bands being connected to each other connected peak to trough
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004Rounded shapes, e.g. with rounded corners
    • A61F2230/0013Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped

Abstract

An expandable stent comprising a proximal end and a distal end in communication with one another, a tubular wall disposed between the proximal end and the distal end, the tubular wall having a longitudinal axis and a poroussurface defined by a plurality intersecting members arranged to define a first repeating pattern comprised of a polygon having a pair of side walls substantially parallel to the longitudinal axis, each side wall comprising first and second flexure means of the same phase with respect to the longitudinal axis, a concaveshaped first wall having a first apex and a convex-shaped second wall having a second apex, the first wall and the second wall connecting the side walls, at least one of the first apex and the second apex being substantially flat, the stent being expandable from a first, contracted position to a second, expanded position uponthe application of a radially outward force on the stent.

Claims (19)

1. An expandable stent comprising a proximal end and a distal end in communication with one another, a tubular wall disposed between the proximal end and the distal end, the tubular wall having a longitudinal axis and a poroussurface defined by a plurality intersecting members arranged to define a first repeating pattern comprised of a polygon having a pair of side walls substantially parallel to the longitudinal axis, each side wall comprising first and second flexure means of the same phase with respect to the longitudinal axis, a concaveshaped first wall having a first apex and a convex-shaped second wall having a second apex, the first wall and the second wall connecting the side walls, at least one of the first apex and the second apex being substantially flat, the stent being expandable from a first, contracted position to a second, expanded position uponthe application of a radially outward force on the stent.
2. The stent defined in claim 1, wherein the each of the first and second flexure means comprise lateral section disposed in each longitudinal strut.
3. The stent defined in claim 2, wherein the lateral section comprises a pointed apex.
4. The stent defined in claim 2, wherein the lateral section comprises a rounded apex.
5. The stent defined in claim 2, wherein the lateral section comprises a flat apex.
6. The stent defined in claim 5, wherein the first flexure means and the second flexure means are symmetric.
7. The stent defined in claim 5, wherein the first flexure means and the second flexure means are asymmetric.
8. The stent defined in claim 7, wherein the first flexure means and the second flexure means have substantially the same shape and differing size.
9. The stent defined in claim 7, wherein the first flexure means and the second flexure means have differing shape and size.
10. The stent defined in any one of claims 6-9, wherein the first lateral section and the second lateral section have substantially the same shape and differing size.
11. The stent defined in any one of claims 1-10, wherein one or both of the first flexure means and the second flexure means comprises a curved section having an arc of greater than 180°.
12. The stent defined in any one of claims 1-10, wherein one or both of the first flexure means and the second flexure means comprises a curved section having an arc of about 180°.
13. The stent defined in any one of claims 11-12, wherein the curved sections are of substantially the same size.
14. The stent defined in any one of claims 11-12, wherein the curved sections are of different size.
15. The stent defined in any one of claims 1-14, wherein the stent is constructed of stainless steel.
16. The stent defined in any one of claims 1-14, wherein the stent is constructed of a self-expanding material.
17. The stent defined in claim 16, wherein the self-expanding material is nitinol.
18. The stent defined in claim 16, wherein the self-expanding material expands at a temperature of greater than about 30°C.
19. The stent defined in claim 16, wherein the self-expanding material expands at a temperature of in the range of from about 30° to about 40°C.
CA 2214627 1996-03-05 1997-09-04 Expandable stent Abandoned CA2214627A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
WOPCT/CA97/00152 1997-03-05
WOPCT/CA97/00151 1997-03-05
PCT/CA1997/000151 WO1997032543A1 (en) 1996-03-05 1997-03-05 Expandable stent and method for delivery of same
PCT/CA1997/000152 WO1997032544A1 (en) 1996-03-05 1997-03-05 Expandable stent and method for delivery of same
CA 2214627 CA2214627A1 (en) 1997-03-05 1997-09-04 Expandable stent

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA 2214627 CA2214627A1 (en) 1997-03-05 1997-09-04 Expandable stent
AU89696/98A AU8969698A (en) 1997-09-04 1998-09-04 Expandable stent
PCT/CA1998/000835 WO1999011197A1 (en) 1997-09-04 1998-09-04 Expandable stent

Publications (1)

Publication Number Publication Date
CA2214627A1 true CA2214627A1 (en) 1998-09-05

Family

ID=4161399

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2214627 Abandoned CA2214627A1 (en) 1996-03-05 1997-09-04 Expandable stent

Country Status (3)

Country Link
AU (1) AU8969698A (en)
CA (1) CA2214627A1 (en)
WO (1) WO1999011197A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007099439A2 (en) 2006-03-01 2007-09-07 Medinol, Ltd. Stent with variable features to optimize support and method of making such stent
US7976576B2 (en) 1996-09-19 2011-07-12 Medinol Ltd. Stent with variable features to optimize support and method of making such stent
GB2494632A (en) * 2011-09-09 2013-03-20 Isis Innovation Stent and method of inserting a stent into a delivery catheter

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1059896B1 (en) 1998-03-04 2006-05-24 Boston Scientific Limited Improved stent cell configurations
EP1294309A4 (en) * 2000-05-22 2007-03-07 Jungsung Medical Co Ltd Metal stent for insertion in coronary artery
EP1363561B1 (en) * 2001-01-15 2009-11-25 Terumo Kabushiki Kaisha Stent
US6786922B2 (en) 2002-10-08 2004-09-07 Cook Incorporated Stent with ring architecture and axially displaced connector segments
DE10352874B4 (en) * 2003-11-10 2008-03-27 Qualimed Innovative Medizinprodukte Gmbh stent

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102417A (en) 1985-11-07 1992-04-07 Expandable Grafts Partnership Expandable intraluminal graft, and method and apparatus for implanting an expandable intraluminal graft
US4733665C2 (en) 1985-11-07 2002-01-29 Expandable Grafts Partnership Expandable intraluminal graft and method and apparatus for implanting an expandable intraluminal graft
US4800882A (en) 1987-03-13 1989-01-31 Cook Incorporated Endovascular stent and delivery system
US4907336A (en) 1987-03-13 1990-03-13 Cook Incorporated Method of making an endovascular stent and delivery system
US5316023A (en) 1992-01-08 1994-05-31 Expandable Grafts Partnership Method for bilateral intra-aortic bypass
US5733303A (en) * 1994-03-17 1998-03-31 Medinol Ltd. Flexible expandable stent
WO1997032544A1 (en) * 1996-03-05 1997-09-12 Divysio Solutions Ulc. Expandable stent and method for delivery of same
CA2192520A1 (en) * 1996-03-05 1997-09-05 Ian M. Penn Expandable stent and method for delivery of same
DE29702671U1 (en) * 1997-02-17 1997-04-10 Jomed Implantate Gmbh stent
DE29708879U1 (en) * 1997-05-20 1997-07-31 Jomed Implantate Gmbh coronary stent

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7976576B2 (en) 1996-09-19 2011-07-12 Medinol Ltd. Stent with variable features to optimize support and method of making such stent
US7998193B2 (en) 1996-09-19 2011-08-16 Medinol Ltd. Stent with variable features to optimize support and method of making such stent
WO2007099439A2 (en) 2006-03-01 2007-09-07 Medinol, Ltd. Stent with variable features to optimize support and method of making such stent
EP1993475A2 (en) * 2006-03-01 2008-11-26 Medinol Ltd. Stent with variable features to optimize support and method of making such stent
EP1993475A4 (en) * 2006-03-01 2009-11-04 Medinol Ltd Stent with variable features to optimize support and method of making such stent
GB2494632A (en) * 2011-09-09 2013-03-20 Isis Innovation Stent and method of inserting a stent into a delivery catheter
US9301861B2 (en) 2011-09-09 2016-04-05 Isis Innovation Limited Stent and method of inserting a stent into a delivery catheter

Also Published As

Publication number Publication date
AU8969698A (en) 1999-03-22
WO1999011197A1 (en) 1999-03-11

Similar Documents

Publication Publication Date Title
AU780740B2 (en) Bifurcated stent with improved side branch aperture and method of making same
JP4271846B2 (en) Improved stent shape
US5868783A (en) Intravascular stent with limited axial shrinkage
US6450853B1 (en) Building block system, especially a toy building block system
USD461554S1 (en) Test tube rack
WO1995014500A1 (en) A stent
EP1594272A3 (en) Removal of a common mode voltage in a differential receiver
RU2001114706A (en) The multi-link (stair) stent with serpentine coiled
EP0941715A3 (en) Device for fixing an endovascular prosthesis in place
AU2139999A (en) Bifurcated stent with improved side branch aperture and method of making same
EP1818026A3 (en) An interbody fusion device having partial circular section cross-sectional segments
AU7002601A (en) Accelerometer with folded beams
AU1954397A (en) Catheter with autoinflating, autoregulating balloon
HK1068245A1 (en) Expandable stent with sliding and locking radial elements
IL121732A (en) Pump actuated sprayer with inner expandable accumulator
AU4015897A (en) N-substututed indole-3-glyoxylamides having anti-asthmatic, antiallergic and immunosuppressant/immuno-modulating action
CA2362622A1 (en) Orthotic or prosthetic sleeve formed of elasticized fabric sections having different elastic stiffness
CA2371871A1 (en) Stent securement by balloon modification
RU2002134171A (en) The tampon applicator having a flared outwardly tapered rim
CA2190012A1 (en) Improved tissue supporting devices
AU3402599A (en) A variable cushioning structure
PL352231A1 (en) Low expansion, high porosity, high strength cordierite body and method
AU7218796A (en) Increasing the capacity of a cellular radio network
US6461380B1 (en) Stent configuration
AU4824099A (en) Expandable stent and method of use

Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead