CA2403925A1 - Intralumenal material removal systems and methods - Google Patents

Intralumenal material removal systems and methods Download PDF

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Publication number
CA2403925A1
CA2403925A1 CA002403925A CA2403925A CA2403925A1 CA 2403925 A1 CA2403925 A1 CA 2403925A1 CA 002403925 A CA002403925 A CA 002403925A CA 2403925 A CA2403925 A CA 2403925A CA 2403925 A1 CA2403925 A1 CA 2403925A1
Authority
CA
Canada
Prior art keywords
material removal
cutter
adjustable
drive shaft
assembly
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
CA002403925A
Other languages
French (fr)
Other versions
CA2403925C (en
Inventor
Edward Wulfman
Thomas Clement
Craig Lawson
David Auth
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 Bermuda
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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
Priority claimed from US09/724,914 external-priority patent/US6565588B1/en
Application filed by Individual filed Critical Individual
Publication of CA2403925A1 publication Critical patent/CA2403925A1/en
Application granted granted Critical
Publication of CA2403925C publication Critical patent/CA2403925C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3205Excision instruments
    • A61B17/3207Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320758Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3205Excision instruments
    • A61B17/3207Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements

Abstract

Intralumenal material removal systems are provided. The intralumenal material removal system includes a cutter assembly (50) positionable in the lumen of a mammalian subject and operably connected to system controls (14). One composite cutter assembly (50) comprises a distal, fixed diameter cutter (52) and a proxiaml, adjustable diameter cutter (54), the cutter assembly being axially advanceable by translating the drive shaft and rotatable by rotating the drive shaft. The adjustable cutting assembly (54) is adjustable between a smaller diameter condition and a larger diameter condition by rotation of the drive shaft in opposite directions.
The cutter may thus be introduced to and withdrawn from the material removal site in a retracted, smaller diameter condition that facilitates translation and navigation of the device through various lumens.
The adjustable cutting assembly (54) may be selectively expanded at the material removal site to facilitate cutting, removal and aspiration of the occlusive material.
CA002403925A 2000-04-05 2001-04-04 Intralumenal material removal systems and methods Expired - Fee Related CA2403925C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US19499800P 2000-04-05 2000-04-05
US19495200P 2000-04-05 2000-04-05
US19480500P 2000-04-05 2000-04-05
US60/194,805 2000-04-05
US60/194,998 2000-04-05
US60/194,952 2000-04-05
US09/724,914 2000-11-28
US09/724,914 US6565588B1 (en) 2000-04-05 2000-11-28 Intralumenal material removal using an expandable cutting device
PCT/US2001/011105 WO2001076680A1 (en) 2000-04-05 2001-04-04 Intralumenal material removal systems and methods

Publications (2)

Publication Number Publication Date
CA2403925A1 true CA2403925A1 (en) 2001-10-18
CA2403925C CA2403925C (en) 2008-09-16

Family

ID=27498045

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002403925A Expired - Fee Related CA2403925C (en) 2000-04-05 2001-04-04 Intralumenal material removal systems and methods

Country Status (8)

Country Link
US (1) US6818001B2 (en)
EP (1) EP1267989B1 (en)
JP (1) JP3798983B2 (en)
AT (1) ATE333300T1 (en)
AU (2) AU2001253173B2 (en)
CA (1) CA2403925C (en)
DE (1) DE60121556T2 (en)
WO (1) WO2001076680A1 (en)

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WO2001076680A1 (en) 2001-10-18
US6818001B2 (en) 2004-11-16
EP1267989A1 (en) 2003-01-02
EP1267989B1 (en) 2006-07-19
AU2001253173B2 (en) 2005-05-12
US20020007190A1 (en) 2002-01-17
JP3798983B2 (en) 2006-07-19
ATE333300T1 (en) 2006-08-15
CA2403925C (en) 2008-09-16
JP2004514463A (en) 2004-05-20
DE60121556T2 (en) 2007-06-28
EP1267989A4 (en) 2004-11-17
DE60121556D1 (en) 2006-08-31
AU5317301A (en) 2001-10-23

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