WO2004034884A3 - Embolic filter frame having looped support strut elements - Google Patents

Embolic filter frame having looped support strut elements Download PDF

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Publication number
WO2004034884A3
WO2004034884A3 PCT/US2003/032962 US0332962W WO2004034884A3 WO 2004034884 A3 WO2004034884 A3 WO 2004034884A3 US 0332962 W US0332962 W US 0332962W WO 2004034884 A3 WO2004034884 A3 WO 2004034884A3
Authority
WO
WIPO (PCT)
Prior art keywords
struts
looped
vessel wall
stiffness
embolic filter
Prior art date
Application number
PCT/US2003/032962
Other languages
French (fr)
Other versions
WO2004034884A2 (en
Inventor
Edward H Cully
Michael J Vonesh
Original Assignee
Gore Enterprise Holdings 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 Gore Enterprise Holdings Inc filed Critical Gore Enterprise Holdings Inc
Priority to CA2502225A priority Critical patent/CA2502225C/en
Priority to EP20030809115 priority patent/EP1558325B1/en
Priority to AU2003301259A priority patent/AU2003301259A1/en
Priority to JP2004545447A priority patent/JP4620465B2/en
Publication of WO2004034884A2 publication Critical patent/WO2004034884A2/en
Publication of WO2004034884A3 publication Critical patent/WO2004034884A3/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
    • A61F2/0105—Open ended, i.e. legs gathered only at one side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • 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
    • A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
    • 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
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
    • 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
    • A61F2230/0067—Three-dimensional shapes conical
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Abstract

An improved embolic filter frame (31) has looped support struts (34). The frame provides enhanced longitudinal compliance, improved sealing against a vessel wall and a short deployed length. The struts (34) have a high degree of radial stiffness with a low degree of longitudinal stiffness. The loop support struts elongate when tensioned and assume a compressed and essentially linear form. While constrained in this linear state by a delivery catheter (92), the support struts exert minimal stress onto the delivery system. The overall delivery profile and stiffness are therefore reduced. When the delivery catheter constraint is removed during deployment, the struts 'snap open' and assume a looped configuration which exert a high degree of force onto the vessel wall, creating an enhanced filter to vessel wall seal. In addition, the looped struts (34) and the central collar (46) connecting the support struts to the support wire (36) are positioned essentially within the plane of the filter opening. The overall deployed length of the embolic filter (40) is reduced.
PCT/US2003/032962 2002-10-17 2003-10-16 Embolic filter frame having looped support strut elements WO2004034884A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA2502225A CA2502225C (en) 2002-10-17 2003-10-16 Embolic filter frame having looped support strut elements
EP20030809115 EP1558325B1 (en) 2002-10-17 2003-10-16 Embolic filter frame having looped support strut elements
AU2003301259A AU2003301259A1 (en) 2002-10-17 2003-10-16 Embolic filter frame having looped support strut elements
JP2004545447A JP4620465B2 (en) 2002-10-17 2003-10-16 An embolic filter frame with looped support strut elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/273,859 2002-10-17
US10/273,859 US20040093012A1 (en) 2002-10-17 2002-10-17 Embolic filter frame having looped support strut elements

Publications (2)

Publication Number Publication Date
WO2004034884A2 WO2004034884A2 (en) 2004-04-29
WO2004034884A3 true WO2004034884A3 (en) 2004-06-03

Family

ID=32106464

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/032962 WO2004034884A2 (en) 2002-10-17 2003-10-16 Embolic filter frame having looped support strut elements

Country Status (9)

Country Link
US (6) US20040093012A1 (en)
EP (6) EP2626106B8 (en)
JP (4) JP4620465B2 (en)
AT (1) ATE519519T1 (en)
AU (1) AU2003301259A1 (en)
CA (1) CA2502225C (en)
ES (2) ES2555610T3 (en)
HK (1) HK1188166A1 (en)
WO (1) WO2004034884A2 (en)

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US9204887B2 (en) 2012-08-14 2015-12-08 W. L. Gore & Associates, Inc. Devices and systems for thrombus treatment

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JP2012196515A (en) 2012-10-18
US20150209132A1 (en) 2015-07-30
EP2626106B1 (en) 2015-09-09
JP2015163207A (en) 2015-09-10
JP2010057974A (en) 2010-03-18
EP2636423B1 (en) 2016-12-07
US9642691B2 (en) 2017-05-09
WO2004034884A2 (en) 2004-04-29
EP2626105A1 (en) 2013-08-14
US20170265982A1 (en) 2017-09-21
US8231650B2 (en) 2012-07-31
US20130197566A1 (en) 2013-08-01
JP5065368B2 (en) 2012-10-31
ATE519519T1 (en) 2011-08-15
EP2636423A3 (en) 2013-11-27
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US20120289997A1 (en) 2012-11-15
CA2502225A1 (en) 2004-04-29
JP4620465B2 (en) 2011-01-26
US20040093012A1 (en) 2004-05-13
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EP1558325A4 (en) 2008-06-04
EP2636423A2 (en) 2013-09-11

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