CA2028641A1 - Fiber tip atherectomy catheter - Google Patents

Fiber tip atherectomy catheter

Info

Publication number
CA2028641A1
CA2028641A1 CA2028641A CA2028641A CA2028641A1 CA 2028641 A1 CA2028641 A1 CA 2028641A1 CA 2028641 A CA2028641 A CA 2028641A CA 2028641 A CA2028641 A CA 2028641A CA 2028641 A1 CA2028641 A1 CA 2028641A1
Authority
CA
Canada
Prior art keywords
catheter
working
working catheter
atheroma
fibers
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
CA2028641A
Other languages
French (fr)
Other versions
CA2028641C (en
Inventor
Robert N. Hamlin
Rick L. Shockey
Robert A. Van Tassel
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.)
Schneider USA Inc
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 CA2028641A1 publication Critical patent/CA2028641A1/en
Application granted granted Critical
Publication of CA2028641C publication Critical patent/CA2028641C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
    • B08B9/0495—Nozzles propelled by fluid jets
    • B08B9/0497—Nozzles propelled by fluid jets provided with additional mechanical cleaning tools

Abstract

A catheter assembly (10) especially designed for the performance of atherectomy procedures which includes an elongated flexible plastic tube (12) which can be routed through the vascular system to the location of the atheroma to be removed and a working catheter (16) insertable through the guide catheter (12) in the form of an elongated flexible plastic tube (16) having a series of fibers (23) integrally formed with or otherwise attached to the distal end portion of the working catheter (16) and normally laying flat against the wall of the catheter (16). The proximal end of the working catheter (16) is adapted for connection to a high speed motor whereby the working catheter (16) can be rotated relative to the surrounding guide catheter (12). As the distal end portion of the working catheter (16) is advanced distally beyond the end of the guide catheter (12), centrifugal force acts upon the fibers (23) to cause them to extend radially outward from the core of the working catheter (16) and when advanced against an atheroma, flail the lesion, reducing it into small particles which can be aspirated out the proximal end of the catheter assembly (10).
CA002028641A 1989-10-30 1990-10-26 Fiber tip atherectomy catheter Expired - Fee Related CA2028641C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/428,885 US5009659A (en) 1989-10-30 1989-10-30 Fiber tip atherectomy catheter
US428,885 1989-10-30

Publications (2)

Publication Number Publication Date
CA2028641A1 true CA2028641A1 (en) 1991-05-01
CA2028641C CA2028641C (en) 1995-11-07

Family

ID=23700803

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002028641A Expired - Fee Related CA2028641C (en) 1989-10-30 1990-10-26 Fiber tip atherectomy catheter

Country Status (10)

Country Link
US (1) US5009659A (en)
EP (1) EP0426322B1 (en)
JP (1) JPH0644911B2 (en)
AT (1) ATE114948T1 (en)
AU (1) AU613843B1 (en)
CA (1) CA2028641C (en)
DE (2) DE69014832T2 (en)
DK (1) DK0426322T3 (en)
ES (1) ES2064660T3 (en)
GR (1) GR3014901T3 (en)

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* Cited by examiner, † Cited by third party
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ATE114948T1 (en) 1994-12-15
JPH03272754A (en) 1991-12-04
ES2064660T3 (en) 1995-02-01
EP0426322A1 (en) 1991-05-08
AU613843B1 (en) 1991-08-08
JPH0644911B2 (en) 1994-06-15
EP0426322B1 (en) 1994-12-07
DE69014832D1 (en) 1995-01-19
DE69014832T2 (en) 1995-04-20
DK0426322T3 (en) 1995-02-13
US5009659A (en) 1991-04-23
GR3014901T3 (en) 1995-05-31
DE9014734U1 (en) 1991-01-03
CA2028641C (en) 1995-11-07

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