CA2213522A1 - Catheter for detaching abnormal deposits in human blood vessels - Google Patents

Catheter for detaching abnormal deposits in human blood vessels

Info

Publication number
CA2213522A1
CA2213522A1 CA002213522A CA2213522A CA2213522A1 CA 2213522 A1 CA2213522 A1 CA 2213522A1 CA 002213522 A CA002213522 A CA 002213522A CA 2213522 A CA2213522 A CA 2213522A CA 2213522 A1 CA2213522 A1 CA 2213522A1
Authority
CA
Canada
Prior art keywords
catheter
rotor
blood vessels
human blood
abnormal deposits
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
CA002213522A
Other languages
French (fr)
Other versions
CA2213522C (en
Inventor
Immanuel Straub
Helmuth Mohr
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.)
Straub Medical AG
Original Assignee
Straub Federnfabrik Ag
Immanuel Straub
Helmuth Mohr
Straub Medical Ag
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 Straub Federnfabrik Ag, Immanuel Straub, Helmuth Mohr, Straub Medical Ag filed Critical Straub Federnfabrik Ag
Publication of CA2213522A1 publication Critical patent/CA2213522A1/en
Application granted granted Critical
Publication of CA2213522C publication Critical patent/CA2213522C/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
    • A61B17/320783—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00685—Archimedes screw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements 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
    • A61B2017/22038—Implements 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 a guide wire

Abstract

The invention concerns a catheter (12) which is connected to a drive unit (20) and has at its front end (12a) a cutting tool comprising a stator (14) and rotor (16). Peripheral blades of the rotor (16) and stator (14) co-operate in scissors-like manner. The rotor (16) is an outside rotor. The detached deposits are conveyed through a tubular casing (22), via a discharge chamber (18), into a collector vessel (28). A rotary catheter of this type is used for gently removing thrombi and stenoses from narrowed blood vessels, such as arteries and veins.
CA002213522A 1995-03-28 1996-03-07 Catheter for detaching abnormal deposits in human blood vessels Expired - Lifetime CA2213522C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH87395 1995-03-28
CH00873/95-2 1995-03-28
PCT/CH1996/000085 WO1996029941A1 (en) 1995-03-28 1996-03-07 Catheter for detaching abnormal deposits in human blood vessels

Publications (2)

Publication Number Publication Date
CA2213522A1 true CA2213522A1 (en) 1996-10-03
CA2213522C CA2213522C (en) 2009-01-06

Family

ID=4197164

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002213522A Expired - Lifetime CA2213522C (en) 1995-03-28 1996-03-07 Catheter for detaching abnormal deposits in human blood vessels

Country Status (17)

Country Link
US (1) US5873882A (en)
EP (1) EP0817594B1 (en)
JP (1) JP3733487B2 (en)
AT (1) ATE218303T1 (en)
AU (1) AU713141B2 (en)
BR (1) BR9607836A (en)
CA (1) CA2213522C (en)
CZ (1) CZ287327B6 (en)
DE (1) DE59609303D1 (en)
DK (1) DK0817594T3 (en)
ES (1) ES2174056T3 (en)
IL (1) IL117522A (en)
NO (1) NO323635B1 (en)
RU (1) RU2170059C2 (en)
TW (1) TW374732B (en)
WO (1) WO1996029941A1 (en)
ZA (1) ZA962259B (en)

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ES2174056T3 (en) 2002-11-01
CA2213522C (en) 2009-01-06
ATE218303T1 (en) 2002-06-15
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NO974354L (en) 1997-09-22
RU2170059C2 (en) 2001-07-10
NO323635B1 (en) 2007-06-18
ZA962259B (en) 1997-09-22
JP3733487B2 (en) 2006-01-11
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US5873882A (en) 1999-02-23
AU4782496A (en) 1996-10-16
EP0817594B1 (en) 2002-06-05

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