WO1992007500A3 - Atherectomy catheter having axially-disposed cutting edge - Google Patents

Atherectomy catheter having axially-disposed cutting edge Download PDF

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Publication number
WO1992007500A3
WO1992007500A3 PCT/US1991/008006 US9108006W WO9207500A3 WO 1992007500 A3 WO1992007500 A3 WO 1992007500A3 US 9108006 W US9108006 W US 9108006W WO 9207500 A3 WO9207500 A3 WO 9207500A3
Authority
WO
WIPO (PCT)
Prior art keywords
head
elongated aperture
axially
cylindrical
cutting edge
Prior art date
Application number
PCT/US1991/008006
Other languages
French (fr)
Other versions
WO1992007500A2 (en
Inventor
Enrique J Klein
Mark E Plaia
James R Kermode
Donald S Baim
Richard P Mueller
Original Assignee
Devices Vascular Intervention
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 Devices Vascular Intervention filed Critical Devices Vascular Intervention
Priority to JP4500855A priority Critical patent/JPH06502562A/en
Publication of WO1992007500A2 publication Critical patent/WO1992007500A2/en
Publication of WO1992007500A3 publication Critical patent/WO1992007500A3/en

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
    • A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter

Abstract

Atherectomy catheters are described having a cylindrical cutting head rotatably mounted at the distal end of a catheter body. The head has an axially elongated aperture and an open interior. A severing means is disposed adjacent the elongated aperture such that atheromatous material invaginated by the head is severed and diverted into the interior of the head. A preferred embodiment has the elongated aperture helically-disposed about the central axis of the cylindrical head and a cutting means formed integrally along the periphery of the aperture. Another preferred embodiment has the cylindrical head provided with a tapered distal end that extends distally from a housing for the head and incorporates an extension of the elongated aperture.
PCT/US1991/008006 1990-10-25 1991-10-24 Atherectomy catheter having axially-disposed cutting edge WO1992007500A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4500855A JPH06502562A (en) 1990-10-25 1991-10-24 Atherectomy catheter with axially oriented cutting edge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/604,036 US5242460A (en) 1990-10-25 1990-10-25 Atherectomy catheter having axially-disposed cutting edge
US604,036 1990-10-25

Publications (2)

Publication Number Publication Date
WO1992007500A2 WO1992007500A2 (en) 1992-05-14
WO1992007500A3 true WO1992007500A3 (en) 1992-06-11

Family

ID=24417924

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1991/008006 WO1992007500A2 (en) 1990-10-25 1991-10-24 Atherectomy catheter having axially-disposed cutting edge

Country Status (5)

Country Link
US (1) US5242460A (en)
EP (1) EP0554395A1 (en)
JP (1) JPH06502562A (en)
CA (1) CA2092992A1 (en)
WO (1) WO1992007500A2 (en)

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JPH06502562A (en) 1994-03-24
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US5242460A (en) 1993-09-07
EP0554395A4 (en) 1994-04-13
CA2092992A1 (en) 1992-04-26

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