WO2009088783A3 - Obstruction removal system - Google Patents

Obstruction removal system Download PDF

Info

Publication number
WO2009088783A3
WO2009088783A3 PCT/US2008/088234 US2008088234W WO2009088783A3 WO 2009088783 A3 WO2009088783 A3 WO 2009088783A3 US 2008088234 W US2008088234 W US 2008088234W WO 2009088783 A3 WO2009088783 A3 WO 2009088783A3
Authority
WO
WIPO (PCT)
Prior art keywords
removal system
obstruction
obstruction removal
circulating
capture devices
Prior art date
Application number
PCT/US2008/088234
Other languages
French (fr)
Other versions
WO2009088783A2 (en
Inventor
Dustin Thompson
Dh Perkins
Jeremy Johnson
Michele Silver
Kevin Mauch
Patrick Macaulay
Original Assignee
Medtronic Vascular 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 Medtronic Vascular Inc. filed Critical Medtronic Vascular Inc.
Priority to EP08869656A priority Critical patent/EP2249713A2/en
Priority to JP2010542250A priority patent/JP2011509148A/en
Publication of WO2009088783A2 publication Critical patent/WO2009088783A2/en
Publication of WO2009088783A3 publication Critical patent/WO2009088783A3/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
    • A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
    • 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
    • A61B17/320708—Curettes, e.g. hollow scraping instruments
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B2010/0225—Instruments for taking cell samples or for biopsy for taking multiple samples
    • 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
    • A61B2017/00345—Micromachines, nanomachines, microsystems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • 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
    • A61B2017/320004—Surgical cutting instruments abrasive
    • A61B2017/320008—Scrapers
    • 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
    • A61B2017/320004—Surgical cutting instruments abrasive
    • A61B2017/320012—Brushes
    • 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
    • A61B2017/32006—Surgical cutting instruments with a cutting strip, band or chain, e.g. like a chainsaw
    • 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
    • A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means
    • 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
    • A61B2017/320741—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy

Abstract

An obstruction removal system (100) for percutaneous removal of clots or obstructions within the vascular system is disclosed. The obstruction removal system (100) includes a multi-lumen catheter (102) with a plurality of circulating capture devices (114) attached to or integral with a drive belt (112). The circulating capture or interference devices (114) affect removal of the clot or obstruction bit-by-bit through a series of passes. The obstruction removal system (100) may include one or more drive mechanisms (116), such as a pulley system and/or a vacuum source and/or a pressurization source, on its proximal end for driving the drive belt (112) and capture devices (114) through the catheter (102) in a circulating manner. The obstruction removal system (100) may also include one or more cleaning mechanisms, such as a vacuum chamber and/or a fluid rinse chamber, for removing the captured clot pieces from the capture devices (114).
PCT/US2008/088234 2008-01-11 2008-12-23 Obstruction removal system WO2009088783A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08869656A EP2249713A2 (en) 2008-01-11 2008-12-23 Obstruction removal system
JP2010542250A JP2011509148A (en) 2008-01-11 2008-12-23 Blockage removal system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/972,744 2008-01-11
US11/972,744 US8021380B2 (en) 2008-01-11 2008-01-11 Obstruction removal system

Publications (2)

Publication Number Publication Date
WO2009088783A2 WO2009088783A2 (en) 2009-07-16
WO2009088783A3 true WO2009088783A3 (en) 2009-09-03

Family

ID=40427947

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/088234 WO2009088783A2 (en) 2008-01-11 2008-12-23 Obstruction removal system

Country Status (4)

Country Link
US (1) US8021380B2 (en)
EP (1) EP2249713A2 (en)
JP (1) JP2011509148A (en)
WO (1) WO2009088783A2 (en)

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Also Published As

Publication number Publication date
WO2009088783A2 (en) 2009-07-16
EP2249713A2 (en) 2010-11-17
US20090182362A1 (en) 2009-07-16
US8021380B2 (en) 2011-09-20
JP2011509148A (en) 2011-03-24

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