CA2207502A1 - Method and associated device for removing material from body - Google Patents

Method and associated device for removing material from body

Info

Publication number
CA2207502A1
CA2207502A1 CA002207502A CA2207502A CA2207502A1 CA 2207502 A1 CA2207502 A1 CA 2207502A1 CA 002207502 A CA002207502 A CA 002207502A CA 2207502 A CA2207502 A CA 2207502A CA 2207502 A1 CA2207502 A1 CA 2207502A1
Authority
CA
Canada
Prior art keywords
clot
suction
intake port
tubular member
port
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
CA002207502A
Other languages
French (fr)
Other versions
CA2207502C (en
Inventor
Gary A. Gelbfish
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 CA2207502A1 publication Critical patent/CA2207502A1/en
Application granted granted Critical
Publication of CA2207502C publication Critical patent/CA2207502C/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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac
    • A61B2017/00247—Making holes in the wall of the heart, e.g. laser Myocardial revascularization
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • A61B2017/00473—Distal part, e.g. tip or head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00351—Heart
    • A61B2018/00392—Transmyocardial revascularisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/005—Auxiliary appliance with suction drainage system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/007—Auxiliary appliance with irrigation system

Abstract

A pull push device for removing a clot. The device includes an elongate tubular member having a suction port and an irrigation or fluid pressurization port respectively con-nectable to a vacuum source and a pressurizable fluid reser-voir. The tubular member also has a clot intake port positionable through a patient's skin inside a clogged vas-cular vessel. The vacuum source enables clot suction into the clot intake port for severing while liquid pressure supplies fluid for clot ejection and device clearance. A single piece rotating or reciprocating cutter and intake closure component is mounted inside the tubular member for closing the clot intake port upon each small vacuum assisted severing of clot mass by the cutting element. By simultaneously severing the clot and closing the intake port by the closure component, the device automatically converts from a suction to a pressure mode, thus ejecting any clot through the suction port. The ordered and continual suck, cut, push, pull tandem ejection system is aided by an automatic anticlogging mechanism which is operative when a sucked clot obstructs suction through the tubular member. This self-limiting feature closes off further suction and ends the process of clot intake. Only after window closure and clot ejection has occurred is vacuum restored to the intake port so that more clot may be sucked into the device for processing.
CA002207502A 1994-12-16 1995-12-15 Method and associated device for removing material from body Expired - Lifetime CA2207502C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/358,209 US5520635A (en) 1994-12-16 1994-12-16 Method and associated device for removing clot
US08/358,209 1994-12-16
PCT/US1995/016467 WO1996018432A1 (en) 1994-12-16 1995-12-15 Method and associated device for removing material from body

Publications (2)

Publication Number Publication Date
CA2207502A1 true CA2207502A1 (en) 1996-06-20
CA2207502C CA2207502C (en) 2007-06-26

Family

ID=23408714

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002207502A Expired - Lifetime CA2207502C (en) 1994-12-16 1995-12-15 Method and associated device for removing material from body

Country Status (9)

Country Link
US (2) US5520635A (en)
EP (1) EP0843572B9 (en)
JP (1) JPH10510738A (en)
AT (1) ATE279890T1 (en)
AU (1) AU704697B2 (en)
BR (1) BR9510037A (en)
CA (1) CA2207502C (en)
DE (1) DE69533677T2 (en)
WO (1) WO1996018432A1 (en)

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Also Published As

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EP0843572B9 (en) 2005-02-02
EP0843572A4 (en) 2000-01-12
WO1996018432A1 (en) 1996-06-20
BR9510037A (en) 1998-11-03
EP0843572B1 (en) 2004-10-20
JPH10510738A (en) 1998-10-20
CA2207502C (en) 2007-06-26
EP0843572A1 (en) 1998-05-27
ATE279890T1 (en) 2004-11-15
DE69533677T2 (en) 2006-02-16
AU4739896A (en) 1996-07-03
AU704697B2 (en) 1999-04-29
DE69533677D1 (en) 2004-11-25
US5730717A (en) 1998-03-24
US5520635A (en) 1996-05-28

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