CA2085509A1 - Rotary atherectomy or thrombectomy device with centrifugal transversal expansion - Google Patents

Rotary atherectomy or thrombectomy device with centrifugal transversal expansion

Info

Publication number
CA2085509A1
CA2085509A1 CA002085509A CA2085509A CA2085509A1 CA 2085509 A1 CA2085509 A1 CA 2085509A1 CA 002085509 A CA002085509 A CA 002085509A CA 2085509 A CA2085509 A CA 2085509A CA 2085509 A1 CA2085509 A1 CA 2085509A1
Authority
CA
Canada
Prior art keywords
rotary member
thrombectomy device
centrifugal
ands
conduit
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
CA002085509A
Other languages
French (fr)
Other versions
CA2085509C (en
Inventor
Jean-Marie Lefebvre
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.)
Individual
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 CA2085509A1 publication Critical patent/CA2085509A1/en
Application granted granted Critical
Publication of CA2085509C publication Critical patent/CA2085509C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320004—Surgical cutting instruments abrasive

Abstract

The atherectomy or thrombectomy device according to the invention comprises a rotary member composed of flexible filiform elements, which are joined by their two ands, the distal end and the proximal end; it contains no mechanical means for bringing said ands closer and the speed of rotation of the rotary member is sufficient, notably higher than 30,000 revs/min, to achieve the transversal expansion of the filiform elements under the effect of the centrifugal force.
Preferably, the rotary member is constituted by a conduit, such as a conduit in polytetrafluoroethylene provided with one or two sets of longitudinal slits symmetricaly distributed over its periphery and defining flexible strips.
CA002085509A 1991-12-23 1992-12-16 Rotary atherectomy or thrombectomy device with centrifugal transversal expansion Expired - Lifetime CA2085509C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9116422 1991-12-23
FR9116422A FR2685190B1 (en) 1991-12-23 1991-12-23 ROTARY ATHERECTOMY OR THROMBECTOMY DEVICE WITH CENTRIFUGAL TRANSVERSE DEVELOPMENT.

Publications (2)

Publication Number Publication Date
CA2085509A1 true CA2085509A1 (en) 1993-06-24
CA2085509C CA2085509C (en) 2005-05-17

Family

ID=9420743

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002085509A Expired - Lifetime CA2085509C (en) 1991-12-23 1992-12-16 Rotary atherectomy or thrombectomy device with centrifugal transversal expansion

Country Status (7)

Country Link
US (1) US5376100A (en)
EP (1) EP0549458B1 (en)
JP (1) JPH05329166A (en)
AT (1) ATE180647T1 (en)
CA (1) CA2085509C (en)
DE (1) DE69229331T2 (en)
FR (1) FR2685190B1 (en)

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CA2085509C (en) 2005-05-17
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US5376100A (en) 1994-12-27
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EP0549458A1 (en) 1993-06-30
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JPH05329166A (en) 1993-12-14
FR2685190A1 (en) 1993-06-25
ATE180647T1 (en) 1999-06-15

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