WO2008034107A3 - Tissue ablation and removal - Google Patents

Tissue ablation and removal Download PDF

Info

Publication number
WO2008034107A3
WO2008034107A3 PCT/US2007/078567 US2007078567W WO2008034107A3 WO 2008034107 A3 WO2008034107 A3 WO 2008034107A3 US 2007078567 W US2007078567 W US 2007078567W WO 2008034107 A3 WO2008034107 A3 WO 2008034107A3
Authority
WO
WIPO (PCT)
Prior art keywords
removal
tissue ablation
present
ablation
target tissue
Prior art date
Application number
PCT/US2007/078567
Other languages
French (fr)
Other versions
WO2008034107A2 (en
Inventor
Larry Azure
Original Assignee
Lazure Technologies Llc
Larry Azure
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 Lazure Technologies Llc, Larry Azure filed Critical Lazure Technologies Llc
Publication of WO2008034107A2 publication Critical patent/WO2008034107A2/en
Publication of WO2008034107A3 publication Critical patent/WO2008034107A3/en

Links

Classifications

    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1477—Needle-like probes
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/06—Electrodes for high-frequency therapy
    • 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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1425—Needle
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1425—Needle
    • A61B2018/143—Needle multiple needles
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1475—Electrodes retractable in or deployable from a housing

Abstract

The present invention provides devices and systems, as well as methods, of electric field delivery and ablation (e.g., non-thermal ablation) of target tissues, including cancerous cells and solid tumors. A method of the present invention can include applying an alternating current to a target tissue and removing ablated or liquefied tissue from the target tissue region.
PCT/US2007/078567 2006-09-14 2007-09-14 Tissue ablation and removal WO2008034107A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US82566006P 2006-09-14 2006-09-14
US60/825,660 2006-09-14
US86348406P 2006-10-30 2006-10-30
US60/863,484 2006-10-30

Publications (2)

Publication Number Publication Date
WO2008034107A2 WO2008034107A2 (en) 2008-03-20
WO2008034107A3 true WO2008034107A3 (en) 2008-11-27

Family

ID=39184631

Family Applications (3)

Application Number Title Priority Date Filing Date
PCT/US2007/078559 WO2008034100A2 (en) 2006-09-14 2007-09-14 Ablation probe with deployable electrodes
PCT/US2007/078567 WO2008034107A2 (en) 2006-09-14 2007-09-14 Tissue ablation and removal
PCT/US2007/078562 WO2008034103A2 (en) 2006-09-14 2007-09-14 Device and method for destruction of cancer cells

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2007/078559 WO2008034100A2 (en) 2006-09-14 2007-09-14 Ablation probe with deployable electrodes

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2007/078562 WO2008034103A2 (en) 2006-09-14 2007-09-14 Device and method for destruction of cancer cells

Country Status (7)

Country Link
US (6) US7722606B2 (en)
EP (1) EP2068739A4 (en)
JP (1) JP5457183B2 (en)
CN (1) CN101553180B (en)
CA (1) CA2663596A1 (en)
HK (1) HK1138166A1 (en)
WO (3) WO2008034100A2 (en)

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