CA2210516C - Longitudinally elongating balloon expandable stent - Google Patents

Longitudinally elongating balloon expandable stent Download PDF

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Publication number
CA2210516C
CA2210516C CA002210516A CA2210516A CA2210516C CA 2210516 C CA2210516 C CA 2210516C CA 002210516 A CA002210516 A CA 002210516A CA 2210516 A CA2210516 A CA 2210516A CA 2210516 C CA2210516 C CA 2210516C
Authority
CA
Canada
Prior art keywords
stent
diagonal struts
circumferential arcs
deployed
closed perimeter
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
CA002210516A
Other languages
French (fr)
Other versions
CA2210516A1 (en
Inventor
Robert E. Fischell
David R. Fischell
Tim A. Fischell
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.)
Cordis Corp
Original Assignee
Cordis Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=31721536&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2210516(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to US08/604,682 priority Critical patent/US5695516A/en
Application filed by Cordis Corp filed Critical Cordis Corp
Priority to CA002527577A priority patent/CA2527577C/en
Priority to CA002210516A priority patent/CA2210516C/en
Priority to EP97305422A priority patent/EP0893107A1/en
Priority to JP22552397A priority patent/JPH1157015A/en
Publication of CA2210516A1 publication Critical patent/CA2210516A1/en
Application granted granted Critical
Publication of CA2210516C publication Critical patent/CA2210516C/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
    • A61F2/82—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
    • A61F2/86—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
    • A61F2002/91533—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 characterised by the phase between adjacent bands
    • A61F2002/91541—Adjacent bands are arranged out of phase
    • 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
    • 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
    • A61F2002/91566—Adjacent bands being connected to each other connected trough to trough
    • 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
    • A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00035—Other metals or alloys
    • A61F2310/00131—Tantalum or Ta-based 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00035—Other metals or alloys
    • A61F2310/00155—Gold or Au-based alloys

Abstract

A cylindrical stent (10) for placement in a vessel of a human body. The stent has a longitudinal axis and in its formation includes circumferential arcs (12) and diagonal struts (14) having an intersection angle between the circumferential arcs (12) and the diagonal struts (14) within the range of 10 to 80 degrees when the stent (10) is in its non-deployed state. The diagonal struts (14) are joined by curved sections (18) to the circumferential arcs (12) which collectively form a closed perimeter cell. The closed perimeter cell has two parallel, circumferential arcs (12) located at the longitudinal extremeties of the closed perimeter cell and the circumferential arcs (12) lie generally perpendicular to the stent's longitudinal axis where the stent (10) may be deployed in a manner so that although the length of the stent (10) increases during deployment, at the nominal fully deployed diameter, the deployed stent (10) is substantially the same length as the non-deployed length.

Claims (14)

1. A cylindrical stent for placement in a vessel of a human body, the stent having a longitudinal axis and also having circumferential arcs and diagonal struts with the intersection angle between the circumferential arcs and the diagonal struts being within the range of 10 to 80 degrees when the stent is in its non-deployed state, the diagonal struts being joined by curved sections to the circumferential arcs which collectively form a closed perimeter cell, the closed perimeter cell having two parallel, circumferential arcs located at the longitudinal extremities of the closed perimeter cell and the circumferential arcs lying generally perpendicular to the stent's longitudinal axis.
2. The stent of claim 1 wherein the width of the circumferential arcs is greater than the width of the diagonal struts.
3. The stent of claim 1 wherein the stent is formed from stainless steel.
4. The stent of claim 1 wherein the stent is formed from tantalum.
5. The stent of claim 1 wherein the curved sections have a narrower width as compared to the diagonal struts.
6. The stent of claim 1 wherein the stent is constructed of a metal that is coated with a high density, radiopaque metal.
7. The stent of claim 6 wherein the radiopaque metal is gold.
8. The stent of claim 1 wherein the stent is coated with an anti-thrombogenic coating.
9. The stent of claim 1 wherein the stent includes a radioisotope material to prevent neointimal hyperplasia subsequent to balloon angioplasty.
10. A cylindrical stent for implantation into a vessel of a human body, the stent lengthening longitudinally as its diameter increases from its non-deployed diameter, the stent structure to accomplish lengthening including a multiplicity of closed perimeter cells each cell including within its perimeter at least two diagonal struts, which diagonal struts increase their projected length in the longitudinal direction as the stent diameter is increased from its non-deployed diameter.
11 The stent of claim 10 wherein the stent is constructed of a metal that is coated with a high density, radiopaque metal.
12. The stent of claim 11 wherein the radiopaque metal is gold.
13. The stent of claim 10 wherein the stent is coated with an anti-thrombogenic coating.
14. The stent of claim 10 wherein the stent includes a radioisotope material to prevent neointimal hyperplasia subsequent to balloon angioplasty.
CA002210516A 1996-02-21 1997-07-15 Longitudinally elongating balloon expandable stent Expired - Lifetime CA2210516C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US08/604,682 US5695516A (en) 1996-02-21 1996-02-21 Longitudinally elongating balloon expandable stent
CA002527577A CA2527577C (en) 1997-07-15 1997-07-15 Longitudinally elongating balloon expandable stent
CA002210516A CA2210516C (en) 1996-02-21 1997-07-15 Longitudinally elongating balloon expandable stent
EP97305422A EP0893107A1 (en) 1996-02-21 1997-07-21 Expandable stent
JP22552397A JPH1157015A (en) 1996-02-21 1997-08-08 Stent expanded by balloon which extends in longitudinal direction

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/604,682 US5695516A (en) 1996-02-21 1996-02-21 Longitudinally elongating balloon expandable stent
CA002210516A CA2210516C (en) 1996-02-21 1997-07-15 Longitudinally elongating balloon expandable stent
EP97305422A EP0893107A1 (en) 1996-02-21 1997-07-21 Expandable stent
JP22552397A JPH1157015A (en) 1996-02-21 1997-08-08 Stent expanded by balloon which extends in longitudinal direction

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002527577A Division CA2527577C (en) 1997-07-15 1997-07-15 Longitudinally elongating balloon expandable stent

Publications (2)

Publication Number Publication Date
CA2210516A1 CA2210516A1 (en) 1999-01-15
CA2210516C true CA2210516C (en) 2006-04-25

Family

ID=31721536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002210516A Expired - Lifetime CA2210516C (en) 1996-02-21 1997-07-15 Longitudinally elongating balloon expandable stent

Country Status (4)

Country Link
US (1) US5695516A (en)
EP (1) EP0893107A1 (en)
JP (1) JPH1157015A (en)
CA (1) CA2210516C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007093031A1 (en) * 2006-01-23 2007-08-23 Daniel Gelbart An axially-elongating stent and method of deployment

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