CA2083513A1 - Intravascular catheter having combined imaging abrasion head - Google Patents

Intravascular catheter having combined imaging abrasion head

Info

Publication number
CA2083513A1
CA2083513A1 CA002083513A CA2083513A CA2083513A1 CA 2083513 A1 CA2083513 A1 CA 2083513A1 CA 002083513 A CA002083513 A CA 002083513A CA 2083513 A CA2083513 A CA 2083513A CA 2083513 A1 CA2083513 A1 CA 2083513A1
Authority
CA
Canada
Prior art keywords
head
intravascular catheter
combined imaging
abrasion head
abrasive
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
CA002083513A
Other languages
French (fr)
Other versions
CA2083513C (en
Inventor
Yue-Teh Jang
William Martin Belef
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.)
Cardiovascular Imaging Systems Inc
Original Assignee
Yue-Teh Jang
William Martin Belef
Cardiovascular Imaging Systems, Inc.
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 Yue-Teh Jang, William Martin Belef, Cardiovascular Imaging Systems, Inc. filed Critical Yue-Teh Jang
Publication of CA2083513A1 publication Critical patent/CA2083513A1/en
Application granted granted Critical
Publication of CA2083513C publication Critical patent/CA2083513C/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
    • A61B17/320783Atherectomy 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22051Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • A61B2017/22052Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation eccentric
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B2017/320004Surgical cutting instruments abrasive

Abstract

Front-end and side-on intravascular catheters are described that comprise an abrasive head (126) contained substantially within a housing (120). Aspiration means and flushing means (128) are connected to the region of grinding to remove dislodged debris. A preferred embodiment has the abrasive surface of a rotatable head comprised of diamond powder. Another preferred embodiment has an ultrasonic transducer (660) affixed to the head to permit transluminal imaging of the site of occlusion.
CA002083513A 1990-05-21 1991-05-20 Intravascular catheter having combined imaging abrasion head Expired - Fee Related CA2083513C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/526,413 US5100424A (en) 1990-05-21 1990-05-21 Intravascular catheter having combined imaging abrasion head
US526,413 1990-05-21
PCT/US1991/003521 WO1991017711A1 (en) 1990-05-21 1991-05-20 Intravascular catheter having combined imaging abrasion head

Publications (2)

Publication Number Publication Date
CA2083513A1 true CA2083513A1 (en) 1991-11-22
CA2083513C CA2083513C (en) 2002-04-02

Family

ID=24097239

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002083513A Expired - Fee Related CA2083513C (en) 1990-05-21 1991-05-20 Intravascular catheter having combined imaging abrasion head

Country Status (8)

Country Link
US (5) US5100424A (en)
EP (2) EP0739603B1 (en)
JP (1) JP3189167B2 (en)
AT (2) ATE145124T1 (en)
CA (1) CA2083513C (en)
DE (2) DE69132703T2 (en)
ES (1) ES2164180T3 (en)
WO (1) WO1991017711A1 (en)

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US5402790A (en) 1995-04-04
ATE145124T1 (en) 1996-11-15
US5507292A (en) 1996-04-16
DE69132703T2 (en) 2002-06-20
JPH05506382A (en) 1993-09-22
DE69123148D1 (en) 1996-12-19
ATE204441T1 (en) 2001-09-15
CA2083513C (en) 2002-04-02
WO1991017711A1 (en) 1991-11-28
EP0739603B1 (en) 2001-08-22
EP0739603A1 (en) 1996-10-30
US5569276A (en) 1996-10-29
DE69123148T2 (en) 1997-03-13
US5100424A (en) 1992-03-31
EP0530296A1 (en) 1993-03-10
EP0530296A4 (en) 1993-03-17
US5895397A (en) 1999-04-20
EP0530296B1 (en) 1996-11-13
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JP3189167B2 (en) 2001-07-16
DE69132703D1 (en) 2001-09-27

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