WO2003092537A3 - Blood clot filter - Google Patents

Blood clot filter Download PDF

Info

Publication number
WO2003092537A3
WO2003092537A3 PCT/US2003/011695 US0311695W WO03092537A3 WO 2003092537 A3 WO2003092537 A3 WO 2003092537A3 US 0311695 W US0311695 W US 0311695W WO 03092537 A3 WO03092537 A3 WO 03092537A3
Authority
WO
WIPO (PCT)
Prior art keywords
filter
struts
vascular
wall
cord
Prior art date
Application number
PCT/US2003/011695
Other languages
French (fr)
Other versions
WO2003092537A2 (en
Inventor
Ted Beyer
William M Appling
Original Assignee
Angiodynamics 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 Angiodynamics Inc filed Critical Angiodynamics Inc
Priority to JP2004500725A priority Critical patent/JP2005523767A/en
Priority to EP03718415A priority patent/EP1501459A4/en
Publication of WO2003092537A2 publication Critical patent/WO2003092537A2/en
Publication of WO2003092537A3 publication Critical patent/WO2003092537A3/en

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
    • A61F2/01—Filters implantable into blood vessels
    • A61F2/0103—With centering means
    • 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
    • A61F2/01—Filters implantable into blood vessels
    • A61F2/0105—Open ended, i.e. legs gathered only at one side
    • 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
    • A61F2/01—Filters implantable into blood vessels
    • A61F2002/016—Filters implantable into blood vessels made from wire-like elements
    • 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
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0073—Quadric-shaped
    • A61F2230/008—Quadric-shaped paraboloidal

Abstract

The filter (10) is composed of two portions. A first portion is a set of zig-zag struts (14) arranged in a cylindrical fashion which fit against the wall of the vascular lumen and provide a base for positioning a filter portion. A filter portion is a set of struts (16). Each filtering strut (16) has its upstream end connected to the positioning portion at the vascular wall (12) and its downstream end held at a central position in the vascular lumen by a frangible connector (18) or cord (18). The central connector (18) has a center opening (26) to permit blood flow through the central opening (26). When the cord is cut, the resilient filter struts (16) flex radially outward against the vascular wall (12) in a parked condition to provide a non-filtered state without requiring removal of the filter (10) from the patient.
PCT/US2003/011695 2002-05-01 2003-04-16 Blood clot filter WO2003092537A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004500725A JP2005523767A (en) 2002-05-01 2003-04-16 Blood clot filter
EP03718415A EP1501459A4 (en) 2002-05-01 2003-04-16 Blood clot filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/138,152 US6881218B2 (en) 2002-05-01 2002-05-01 Blood clot filter
US10/138,152 2002-05-01

Publications (2)

Publication Number Publication Date
WO2003092537A2 WO2003092537A2 (en) 2003-11-13
WO2003092537A3 true WO2003092537A3 (en) 2003-12-11

Family

ID=29269266

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/011695 WO2003092537A2 (en) 2002-05-01 2003-04-16 Blood clot filter

Country Status (4)

Country Link
US (1) US6881218B2 (en)
EP (1) EP1501459A4 (en)
JP (1) JP2005523767A (en)
WO (1) WO2003092537A2 (en)

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Title
See also references of EP1501459A4 *

Also Published As

Publication number Publication date
WO2003092537A2 (en) 2003-11-13
JP2005523767A (en) 2005-08-11
EP1501459A4 (en) 2007-03-28
EP1501459A2 (en) 2005-02-02
US6881218B2 (en) 2005-04-19
US20030208253A1 (en) 2003-11-06

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