WO2003088869A3 - A medical device - Google Patents

A medical device Download PDF

Info

Publication number
WO2003088869A3
WO2003088869A3 PCT/IE2003/000055 IE0300055W WO03088869A3 WO 2003088869 A3 WO2003088869 A3 WO 2003088869A3 IE 0300055 W IE0300055 W IE 0300055W WO 03088869 A3 WO03088869 A3 WO 03088869A3
Authority
WO
WIPO (PCT)
Prior art keywords
support
wire
filter
radiopaque
bending
Prior art date
Application number
PCT/IE2003/000055
Other languages
French (fr)
Other versions
WO2003088869A2 (en
Inventor
Eamon Brady
David Vale
Original Assignee
Salviac Ltd
Eamon Brady
David Vale
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 Salviac Ltd, Eamon Brady, David Vale filed Critical Salviac Ltd
Priority to AU2003262374A priority Critical patent/AU2003262374A1/en
Publication of WO2003088869A2 publication Critical patent/WO2003088869A2/en
Publication of WO2003088869A3 publication Critical patent/WO2003088869A3/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
    • 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

Abstract

At least part of the support (3) for an embolic protection filter is of a multifilament wire construction. The support (3) comprises Nitinol wires (21) wound in a spiral around a single radiopaque wire (22), the radiopaque wire (22) being located substantially along the axis of bending of the support (3). During bending of the support (3), for example upon movement of the support (3) to the expanded configuration, each wire (21, 22) bends independently of the other wires. As a result, the force required to bend the multifilament support (3) is minimised, and thus the filter (1) achieves enhanced trackability during transport through a tortuous vasculature, such as in coronary applications. Because the Nitinol wires (21) are wound in a spiral around the radiopaque wire (22), this configuration acts to decrease the bending stresses induced in each wire (21, 22) upon bending. The radiopaque wire (22) provides visualisation for a clinician during transport of the filter (1) through a vasculature and deployment of the filter (1) in the vasculature. Because the radiopaque wire (22) is located along the neutral axis of the support (3), the forces required to plastically deform the radiopaque wire (22) as the support (3) moves from the collapsed configuration to the expanded configuration, upon deployment of the filter (1), are minimised. In this way the dampening effect of the radiopaque material is minimised.
PCT/IE2003/000055 2002-04-19 2003-04-15 A medical device WO2003088869A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003262374A AU2003262374A1 (en) 2002-04-19 2003-04-15 A medical device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37364002P 2002-04-19 2002-04-19
US60/373,640 2002-04-19

Publications (2)

Publication Number Publication Date
WO2003088869A2 WO2003088869A2 (en) 2003-10-30
WO2003088869A3 true WO2003088869A3 (en) 2004-03-25

Family

ID=29251053

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IE2003/000055 WO2003088869A2 (en) 2002-04-19 2003-04-15 A medical device

Country Status (2)

Country Link
AU (1) AU2003262374A1 (en)
WO (1) WO2003088869A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8852226B2 (en) 1997-11-07 2014-10-07 Salviac Limited Vascular device for use during an interventional procedure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016382A2 (en) * 1997-09-26 1999-04-08 Cardeon Corporation Perfusion filter catheter
US20020004667A1 (en) * 2000-05-24 2002-01-10 Bruce Adams Collapsible blood filter with optimal braid geometry
EP1247500A2 (en) * 2001-04-03 2002-10-09 Medtronic Ave, Inc. Temporary intraluminal filter guidewire and methods of use

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1316769B1 (en) 2000-02-18 2003-05-12 Getters Spa EVACUATED PANEL FOR THERMAL INSULATION WITH REDUCED HEAT CONDUCTING AT THE EDGES
ITPD20010023A1 (en) 2001-02-01 2002-08-01 Sit La Precisa Spa IMPROVED AIR-GAS MIXER DEVICE.
WO2002062495A1 (en) 2001-02-07 2002-08-15 Idrabel Italia S.R.L. A biotechnological method for the regeneration of hydrocarbons from dregs and muds, on the base of biosurfactants

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016382A2 (en) * 1997-09-26 1999-04-08 Cardeon Corporation Perfusion filter catheter
US20020004667A1 (en) * 2000-05-24 2002-01-10 Bruce Adams Collapsible blood filter with optimal braid geometry
EP1247500A2 (en) * 2001-04-03 2002-10-09 Medtronic Ave, Inc. Temporary intraluminal filter guidewire and methods of use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8852226B2 (en) 1997-11-07 2014-10-07 Salviac Limited Vascular device for use during an interventional procedure

Also Published As

Publication number Publication date
AU2003262374A1 (en) 2003-11-03
WO2003088869A2 (en) 2003-10-30
AU2003262374A8 (en) 2003-11-03

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