WO2003094791A3 - Inverted embolic protection filter - Google Patents

Inverted embolic protection filter Download PDF

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Publication number
WO2003094791A3
WO2003094791A3 PCT/US2003/011169 US0311169W WO03094791A3 WO 2003094791 A3 WO2003094791 A3 WO 2003094791A3 US 0311169 W US0311169 W US 0311169W WO 03094791 A3 WO03094791 A3 WO 03094791A3
Authority
WO
WIPO (PCT)
Prior art keywords
inverted
embolic protection
protection filter
filter
embolic
Prior art date
Application number
PCT/US2003/011169
Other languages
French (fr)
Other versions
WO2003094791A2 (en
Inventor
Thomas E Broome
Original Assignee
Scimed Life Systems 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 Scimed Life Systems Inc filed Critical Scimed Life Systems Inc
Priority to EP03726250A priority Critical patent/EP1503698A2/en
Priority to JP2004502881A priority patent/JP4323422B2/en
Priority to CA2484867A priority patent/CA2484867C/en
Priority to AU2003228496A priority patent/AU2003228496A1/en
Publication of WO2003094791A2 publication Critical patent/WO2003094791A2/en
Publication of WO2003094791A3 publication Critical patent/WO2003094791A3/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
    • A61F2/0108—Both ends closed, i.e. legs gathered at both ends
    • 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
    • A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
    • A61F2002/015—Stop means therefor
    • 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

Abstract

An embolic protection filter (10) having an inverted membrane (44) with improved blood perfusion characteristics is disclosed. An embolic protection filter in accordance with the present invention comprises a filter frame disposable about a guidewire (14), a support hoop (26) coupled to a plurality of expandable struts, and an inverted membrane for filtering embolic debris. The inverted membrane has a tapered proximal section and an enlarged diameter distal section. Features of the present invention permit the perfusion of blood through the filter irrespective of embolic debris entrained therein.
PCT/US2003/011169 2002-05-06 2003-04-15 Inverted embolic protection filter WO2003094791A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP03726250A EP1503698A2 (en) 2002-05-06 2003-04-15 Inverted embolic protection filter
JP2004502881A JP4323422B2 (en) 2002-05-06 2003-04-15 Inverted embolic protection filter
CA2484867A CA2484867C (en) 2002-05-06 2003-04-15 Inverted embolic protection filter
AU2003228496A AU2003228496A1 (en) 2002-05-06 2003-04-15 Inverted embolic protection filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/139,891 2002-05-06
US10/139,891 US8070769B2 (en) 2002-05-06 2002-05-06 Inverted embolic protection filter

Publications (2)

Publication Number Publication Date
WO2003094791A2 WO2003094791A2 (en) 2003-11-20
WO2003094791A3 true WO2003094791A3 (en) 2004-03-18

Family

ID=29269612

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/011169 WO2003094791A2 (en) 2002-05-06 2003-04-15 Inverted embolic protection filter

Country Status (6)

Country Link
US (1) US8070769B2 (en)
EP (1) EP1503698A2 (en)
JP (1) JP4323422B2 (en)
AU (1) AU2003228496A1 (en)
CA (1) CA2484867C (en)
WO (1) WO2003094791A2 (en)

Families Citing this family (233)

* Cited by examiner, † Cited by third party
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EP1503698A2 (en) 2005-02-09
WO2003094791A2 (en) 2003-11-20
JP2005524486A (en) 2005-08-18
US8070769B2 (en) 2011-12-06
CA2484867A1 (en) 2003-11-20
AU2003228496A1 (en) 2003-11-11
US20030208224A1 (en) 2003-11-06
CA2484867C (en) 2011-11-29
JP4323422B2 (en) 2009-09-02

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