CA2322050A1 - Expandable stent - Google Patents

Expandable stent Download PDF

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Publication number
CA2322050A1
CA2322050A1 CA002322050A CA2322050A CA2322050A1 CA 2322050 A1 CA2322050 A1 CA 2322050A1 CA 002322050 A CA002322050 A CA 002322050A CA 2322050 A CA2322050 A CA 2322050A CA 2322050 A1 CA2322050 A1 CA 2322050A1
Authority
CA
Canada
Prior art keywords
ladder elements
end rungs
adjacent ladder
stent
rungs
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
CA002322050A
Other languages
French (fr)
Other versions
CA2322050C (en
Inventor
Thomas A. Steinke
Stephen O. Ross
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.)
Reva Medical Inc
Original Assignee
Thomas A. Steinke
Stephen O. Ross
Md3, Inc.
Reva Medical, Inc.
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 Thomas A. Steinke, Stephen O. Ross, Md3, Inc., Reva Medical, Inc. filed Critical Thomas A. Steinke
Publication of CA2322050A1 publication Critical patent/CA2322050A1/en
Application granted granted Critical
Publication of CA2322050C publication Critical patent/CA2322050C/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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/92—Stents in the form of a rolled-up sheet expanding after insertion into the vessel, e.g. with a spiral shape in cross-section
    • A61F2/93—Stents in the form of a rolled-up sheet expanding after insertion into the vessel, e.g. with a spiral shape in cross-section circumferentially expandable by using ratcheting locks
    • 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
    • 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
    • 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
    • A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers

Abstract

The present invention provides a lumen support stent (20) for use in an artery or any body lumen. The stent is formed from a plurality of ladder elements (32) having elongated ribs (28) bowed to define a circumferential arc of the tubular member and end rungs (30) affixed to the elongated ribs. The elongated ribs of adjacent ladder elements are substantially parallel to one another and slidably engaged by the end rungs of adjacent ladder elements. Sliding of the end rungs along the circumferential arc defined by the engaged ribs creates a variable circumferential distance between the end rungs of adjacent ladder elements. Consequently, the stent has a first diameter in which the circumferential distance between end rungs of adjacent ladder elements is collapsed, and a variable second diameter in which the circumferential distance between end rungs of adjacent ladder elements is expanded.
CA002322050A 1998-02-17 1999-01-22 Expandable stent Expired - Fee Related CA2322050C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/024,571 US6033436A (en) 1998-02-17 1998-02-17 Expandable stent
US09/024,571 1998-02-17
PCT/US1999/001241 WO1999040874A1 (en) 1998-02-17 1999-01-22 Expandable stent

Publications (2)

Publication Number Publication Date
CA2322050A1 true CA2322050A1 (en) 1999-08-19
CA2322050C CA2322050C (en) 2007-05-29

Family

ID=21821279

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002322050A Expired - Fee Related CA2322050C (en) 1998-02-17 1999-01-22 Expandable stent

Country Status (10)

Country Link
US (1) US6033436A (en)
EP (1) EP1056414B1 (en)
JP (1) JP3749437B2 (en)
CN (1) CN1169496C (en)
AT (1) ATE314023T1 (en)
AU (1) AU754566B2 (en)
CA (1) CA2322050C (en)
DE (1) DE69929175T2 (en)
RU (1) RU2217098C2 (en)
WO (1) WO1999040874A1 (en)

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US6033436A (en) 2000-03-07
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WO1999040874A1 (en) 1999-08-19
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CN1292668A (en) 2001-04-25
JP3749437B2 (en) 2006-03-01
EP1056414A1 (en) 2000-12-06
CN1169496C (en) 2004-10-06
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RU2217098C2 (en) 2003-11-27
ATE314023T1 (en) 2006-01-15
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JP2002502665A (en) 2002-01-29
AU2239499A (en) 1999-08-30

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