WO1995024237A3 - Catheter guidewire with radiopaque markers - Google Patents

Catheter guidewire with radiopaque markers Download PDF

Info

Publication number
WO1995024237A3
WO1995024237A3 PCT/US1995/003076 US9503076W WO9524237A3 WO 1995024237 A3 WO1995024237 A3 WO 1995024237A3 US 9503076 W US9503076 W US 9503076W WO 9524237 A3 WO9524237 A3 WO 9524237A3
Authority
WO
WIPO (PCT)
Prior art keywords
radiopaque
coil
distal
shaft
proximal
Prior art date
Application number
PCT/US1995/003076
Other languages
French (fr)
Other versions
WO1995024237A2 (en
Inventor
Richelle Tartacower
Lex Jansen
Joanne Gilbert
Rebecca C Testa
Original Assignee
Bard Inc C R
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26907255&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1995024237(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bard Inc C R filed Critical Bard Inc C R
Priority to DE69517518T priority Critical patent/DE69517518T3/en
Priority to EP95914010A priority patent/EP0749334B2/en
Priority to JP7523682A priority patent/JPH09510125A/en
Publication of WO1995024237A2 publication Critical patent/WO1995024237A2/en
Publication of WO1995024237A3 publication Critical patent/WO1995024237A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09058—Basic structures of guide wires
    • A61M2025/09083—Basic structures of guide wires having a coil around a core
    • A61M2025/09091—Basic structures of guide wires having a coil around a core where a sheath surrounds the coil at the distal part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09166—Guide wires having radio-opaque features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09175—Guide wires having specific characteristics at the distal tip

Abstract

A guidewire for use with a catheter has varying radiopacity as well as at least one radiopaque marker in its distal end. In one embodiment, the guidewire includes a shaft having a distal radiopaque coil supported by and attached to a distal portion of the shaft and a proximal radiopaque coil supported by and attached to an intermediate portion of the shaft. The proximal and distal coils are spaced apart from one another. The distal coil may be more radiopaque than or equally radiopaque to the proximal coil such that when viewed under fluoroscopy, the highly radiopaque coil will define a dark image whereas the more proximal radiopaque coil will define a moderately radiopaque image or both will define a dark image. The area between the two coils will appear white. Between the coils, at least one radiopaque marker band is attached to the shaft. The marker bands provide several reference lengths for a physician. A polymer sleeve encases the marker bands and the shaft between the first and second coils providing a uniform outer diameter to the distal region of the guidewire. In another embodiment, the proximal coil of the first embodiment is absent and the polymer sleeve extends proximally of the radiopaque marker bands. In a further embodiment, a radiopaque coil having varying pitch along its length is supported by and attached to a distal region of the core wire.
PCT/US1995/003076 1994-03-11 1995-03-09 Catheter guidewire with radiopaque markers WO1995024237A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69517518T DE69517518T3 (en) 1994-03-11 1995-03-09 GUIDE WIRE WITH RADIOPAKEN MARKINGS
EP95914010A EP0749334B2 (en) 1994-03-11 1995-03-09 Catheter guidewire with radiopaque markers
JP7523682A JPH09510125A (en) 1994-03-11 1995-03-09 Catheter guidewire with radiopaque marker

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US21255894A 1994-03-11 1994-03-11
US08/212,558 1995-02-03
US08/383,322 US5606981A (en) 1994-03-11 1995-02-03 Catheter guidewire with radiopaque markers
US08/383,322 1995-02-03

Publications (2)

Publication Number Publication Date
WO1995024237A2 WO1995024237A2 (en) 1995-09-14
WO1995024237A3 true WO1995024237A3 (en) 1995-10-26

Family

ID=26907255

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/003076 WO1995024237A2 (en) 1994-03-11 1995-03-09 Catheter guidewire with radiopaque markers

Country Status (6)

Country Link
US (1) US5606981A (en)
EP (1) EP0749334B2 (en)
JP (1) JPH09510125A (en)
CA (1) CA2184484A1 (en)
DE (1) DE69517518T3 (en)
WO (1) WO1995024237A2 (en)

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Also Published As

Publication number Publication date
EP0749334B2 (en) 2004-08-25
CA2184484A1 (en) 1995-09-14
DE69517518D1 (en) 2000-07-20
EP0749334B1 (en) 2000-06-14
DE69517518T2 (en) 2001-03-08
DE69517518T3 (en) 2005-02-03
WO1995024237A2 (en) 1995-09-14
JPH09510125A (en) 1997-10-14
US5606981A (en) 1997-03-04
EP0749334A1 (en) 1996-12-27

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