CA2484752A1 - Mechanism for the deployment of endovascular implants - Google Patents

Mechanism for the deployment of endovascular implants Download PDF

Info

Publication number
CA2484752A1
CA2484752A1 CA002484752A CA2484752A CA2484752A1 CA 2484752 A1 CA2484752 A1 CA 2484752A1 CA 002484752 A CA002484752 A CA 002484752A CA 2484752 A CA2484752 A CA 2484752A CA 2484752 A1 CA2484752 A1 CA 2484752A1
Authority
CA
Canada
Prior art keywords
implant
tube
coupling element
deployment
attached
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
CA002484752A
Other languages
French (fr)
Other versions
CA2484752C (en
Inventor
David A. Ferrera
George R. Greene, Jr.
Brian Cox
Robert F. Rosenbluth
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.)
MicroVention Inc
Original Assignee
Microvention, Inc.
David A. Ferrera
George R. Greene, Jr.
Brian Cox
Robert F. Rosenbluth
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 Microvention, Inc., David A. Ferrera, George R. Greene, Jr., Brian Cox, Robert F. Rosenbluth filed Critical Microvention, Inc.
Publication of CA2484752A1 publication Critical patent/CA2484752A1/en
Application granted granted Critical
Publication of CA2484752C publication Critical patent/CA2484752C/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
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/1214—Coils or wires
    • A61B17/1215—Coils or wires comprising additional materials, e.g. thrombogenic, having filaments, having fibers, being coated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/1214—Coils or wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12163—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a string of elements connected to each other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12181—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device formed by fluidized, gelatinous or cellular remodelable materials, e.g. embolic liquids, foams or extracellular matrices
    • A61B17/1219—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device formed by fluidized, gelatinous or cellular remodelable materials, e.g. embolic liquids, foams or extracellular matrices expandable in contact with liquids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00477—Coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00539—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated hydraulically
    • 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
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205—Introduction devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205—Introduction devices
    • A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device

Abstract

A mechanism for the deployment of a filamentous endovascular implant (20) includes a flexible deployment tube (10) having an internal lumen extending between open proximal and distal ends (11, 13), and a coupling element (14) attached to the proximal end of the implant. The tube has a retention sleeve (12) that extends distally past the distal end of the tube. The coupling element is releasably held within the sleeve. The deployment tube and the attached implant attached are passed intravascularly by a microcatheter until the implant is located within a target vascular site. To detach the implant from the tube, a liquid is injected through the lumen so as to apply pressure to the coupling element, which is thus pushed out of the retention sleeve by fluid pressure. The coupling element may include a purge passage for purging air from the microcatheter prior to the intravascular passage of the implant.
CA002484752A 2002-05-10 2003-05-08 Mechanism for the deployment of endovascular implants Expired - Fee Related CA2484752C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/143,724 US6689141B2 (en) 2000-10-18 2002-05-10 Mechanism for the deployment of endovascular implants
US10/143,724 2002-05-10
PCT/US2003/014580 WO2003094751A1 (en) 2002-05-10 2003-05-08 Mechanism for the deployment of endovascular implants

Publications (2)

Publication Number Publication Date
CA2484752A1 true CA2484752A1 (en) 2003-11-20
CA2484752C CA2484752C (en) 2009-03-17

Family

ID=29418459

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002484752A Expired - Fee Related CA2484752C (en) 2002-05-10 2003-05-08 Mechanism for the deployment of endovascular implants

Country Status (7)

Country Link
US (1) US6689141B2 (en)
EP (1) EP1513461A1 (en)
JP (1) JP4425781B2 (en)
CN (1) CN1297238C (en)
AU (1) AU2003233511B2 (en)
CA (1) CA2484752C (en)
WO (1) WO2003094751A1 (en)

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Also Published As

Publication number Publication date
CN1652726A (en) 2005-08-10
US20020188311A1 (en) 2002-12-12
AU2003233511A1 (en) 2003-11-11
CA2484752C (en) 2009-03-17
US6689141B2 (en) 2004-02-10
JP2005524479A (en) 2005-08-18
WO2003094751A1 (en) 2003-11-20
EP1513461A1 (en) 2005-03-16
CN1297238C (en) 2007-01-31
AU2003233511B2 (en) 2008-03-13
JP4425781B2 (en) 2010-03-03

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