CA2515786A1 - Flexible tube for cartridge filter - Google Patents

Flexible tube for cartridge filter Download PDF

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Publication number
CA2515786A1
CA2515786A1 CA002515786A CA2515786A CA2515786A1 CA 2515786 A1 CA2515786 A1 CA 2515786A1 CA 002515786 A CA002515786 A CA 002515786A CA 2515786 A CA2515786 A CA 2515786A CA 2515786 A1 CA2515786 A1 CA 2515786A1
Authority
CA
Canada
Prior art keywords
filter cartridge
filter
cartridge
mandrel
filtering device
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
CA002515786A
Other languages
French (fr)
Other versions
CA2515786C (en
Inventor
Brian J. Lowe
Alan D. Eskuri
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.)
Boston Scientific Ltd Barbados
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2515786A1 publication Critical patent/CA2515786A1/en
Application granted granted Critical
Publication of CA2515786C publication Critical patent/CA2515786C/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
    • A61F2/01—Filters implantable into blood vessels
    • A61F2/011—Instruments for their placement or removal
    • 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
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0008—Rounded shapes, e.g. with rounded corners elliptical or oval
    • 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

Embolic protection filtering devices and methods of making and using the same.
The present invention may include an embolic protection filtering device including a filter cartridge (12) that is slidable over medical devices, for example, guidewires (16). The filter cartridge may have a filter (22) coupled thereto and may have desirable flexibility and trackability characteristics.

Claims (23)

1. A medical device, comprising:
an elongate shaft having a proximal region and a distal region;
the shaft including one or more stops coupled adjacent the distal region;
a tubular cartridge slidably disposed over the shaft;
the tubular cartridge including one or more notches defined therein; and a filter coupled to the cartridge.
2. The medical device of claim 1, wherein the shaft is a guidewire.
3. The medical device of claim 2, wherein the guidewire includes one or more stops coupled thereto.
4. The medical device of claim 1, wherein tubular cartridge comprises a polymer.
5. The medical device of claim 1, wherein the one or more notches include a spiral groove cut in the tubular cartridge.
6. The medical device of claim 1, further comprising a deployment sheath slidably disposed over the shaft.
7. The medical device of claim 6, further comprising a delivery sheath slidably disposed over the shaft.
8. An embolic protection filtering device, comprising:
an elongate guidewire;
a tubular filter cartridge slidably disposed over the guidewire, the cartridge having a length and a spiraling groove defined along at least a portion of the length;
and an embolic protection filter coupled to the filter cartridge.
9. The filtering device of claim 8, wherein the tubular filter cartridge comprises a polymer.
10. The filtering device of claim 8, wherein tubular filter cartridge includes a proximal region and a distal region, and wherein the distal region is more flexible than the proximal region.
11. An embolic protection filtering device, comprising:
an elongate guidewire;
a tubular filter cartridge slidably disposed over the guidewire, the cartridge having a length and including a coil disposed along at least a portion of the length;
and an embolic protection filter coupled to the filter cartridge.
12. The filtering device of claim 11, wherein the guidewire includes one or more stops coupled thereto.
13. The filtering device of claim 11, wherein the filter cartridge comprises polymer.
14. The filtering device of claim 11, wherein the filter cartridge comprises a metal.
15. The filtering device of claim 11, wherein the filter includes a filter frame, and wherein the filter frame is defined by a portion of the coil.
16. An embolic protection filtering device, comprising:
an elongate shaft a filter cartridge slidably disposed over the shaft;
a filter coupled to the filter cartridge; and means for increasing the flexibility of the filter cartridge.
17. A method of manufacturing an embolic protection filtering device, comprising the steps of:

providing a mandrel having an outer surface;
disposing a filter cartridge material on the outer surface of the mandrel to define a filter cartridge;
altering the flexibility of the filter cartridge; and coupling a filter to the filter cartridge.
18. The method of claim 17, wherein outer surface of the mandrel includes a plurality of projections, and wherein the step of disposing a filter cartridge material on the outer surface of the mandrel to define a filter cartridge includes defining a filter cartridge with a plurality of projections.
19. The method of claim 17, wherein outer surface of the mandrel includes a plurality of dimples, and wherein the step of disposing a filter cartridge material on the outer surface of the mandrel to define a filter cartridge includes defining a filter cartridge with a plurality of dimples.
20. The method of claim 17, wherein the step of disposing a filter cartridge material on the outer surface of the mandrel to define a filter cartridge includes spray molding the filter cartridge material onto the mandrel.
21. The method of claim 17, wherein the step of disposing a filter cartridge material on the outer surface of the mandrel to define a filter cartridge includes dip molding the mandrel into the filter cartridge material.
22. The method of claim 17, wherein the step of altering the flexibility of the filter cartridge includes forming a spiral groove in the filter cartridge.
23. The method of claim 17, wherein the step of altering the flexibility of the filter cartridge include forming one or more slots in the filter cartridge.
CA2515786A 2003-02-24 2004-02-12 Flexible tube for cartridge filter Expired - Fee Related CA2515786C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/373,482 2003-02-24
US10/373,482 US6878291B2 (en) 2003-02-24 2003-02-24 Flexible tube for cartridge filter
PCT/US2004/003993 WO2004075786A1 (en) 2003-02-24 2004-02-12 Flexible tube for cartridge filter

Publications (2)

Publication Number Publication Date
CA2515786A1 true CA2515786A1 (en) 2004-09-10
CA2515786C CA2515786C (en) 2012-05-22

Family

ID=32868722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2515786A Expired - Fee Related CA2515786C (en) 2003-02-24 2004-02-12 Flexible tube for cartridge filter

Country Status (5)

Country Link
US (4) US6878291B2 (en)
EP (1) EP1596757A1 (en)
JP (1) JP2006518636A (en)
CA (1) CA2515786C (en)
WO (1) WO2004075786A1 (en)

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US7987994B2 (en) 2011-08-02
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US7459080B2 (en) 2008-12-02
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US20050126979A1 (en) 2005-06-16
US20090054907A1 (en) 2009-02-26

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