WO2007006518A3 - Plasma-generating device, plasma surgical device and use of plasma surgical device - Google Patents

Plasma-generating device, plasma surgical device and use of plasma surgical device Download PDF

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Publication number
WO2007006518A3
WO2007006518A3 PCT/EP2006/006690 EP2006006690W WO2007006518A3 WO 2007006518 A3 WO2007006518 A3 WO 2007006518A3 EP 2006006690 W EP2006006690 W EP 2006006690W WO 2007006518 A3 WO2007006518 A3 WO 2007006518A3
Authority
WO
WIPO (PCT)
Prior art keywords
plasma
cathode
surgical device
anode
longitudinal direction
Prior art date
Application number
PCT/EP2006/006690
Other languages
French (fr)
Other versions
WO2007006518A2 (en
Inventor
Nikolay Suslov
Original Assignee
Plasma Surgical Svenska Ab
Plasma Surgical Invest Ltd
Nikolay Suslov
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 Plasma Surgical Svenska Ab, Plasma Surgical Invest Ltd, Nikolay Suslov filed Critical Plasma Surgical Svenska Ab
Priority to CN2006800301943A priority Critical patent/CN101243731B/en
Priority to CA2614378A priority patent/CA2614378C/en
Priority to JP2008519874A priority patent/JP5231221B2/en
Priority to EP06762497.3A priority patent/EP1905286B1/en
Priority to ES06762497.3T priority patent/ES2558684T3/en
Publication of WO2007006518A2 publication Critical patent/WO2007006518A2/en
Publication of WO2007006518A3 publication Critical patent/WO2007006518A3/en
Priority to HK09101173.8A priority patent/HK1123666A1/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • 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
    • A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3452—Supplementary electrodes between cathode and anode, e.g. cascade
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3484—Convergent-divergent nozzles

Abstract

The present invention relates to a plasma-generating device, comprising an anode, a cathode and a plasma channel which in its longitudinal direction extends at least partly between said cathode and said anode. The end of the cathode which is directed to the anode has a cathode tip tapering towards the anode, a part of said cathode tip extending over a partial length of a plasma chamber connected to the plasma channel. The plasma chamber has a cross-sectional surface, transversely to the longitudinal direction of the plasma channel, which exceeds the cross-sectional surface, transversely to the longitudinal direction of the plasma channel, of an opening, positioned closest to the cathode, of the plasma channel. The invention also concerns a plasma surgical device and use of such a plasma surgical device.
PCT/EP2006/006690 2005-07-08 2006-07-07 Plasma-generating device, plasma surgical device and use of plasma surgical device WO2007006518A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN2006800301943A CN101243731B (en) 2005-07-08 2006-07-07 Plasma-generating device and plasma surgical device
CA2614378A CA2614378C (en) 2005-07-08 2006-07-07 Plasma-generating device, plasma surgical device and use of plasma surgical device
JP2008519874A JP5231221B2 (en) 2005-07-08 2006-07-07 Plasma generator and plasma surgical device
EP06762497.3A EP1905286B1 (en) 2005-07-08 2006-07-07 Plasma-generating device and plasma surgical device
ES06762497.3T ES2558684T3 (en) 2005-07-08 2006-07-07 Plasma generation device and plasma surgical device
HK09101173.8A HK1123666A1 (en) 2005-07-08 2009-02-10 Plasma-generating device and plasma surgical device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0501604-3 2005-07-08
SE0501604A SE529056C2 (en) 2005-07-08 2005-07-08 Plasma generating device, plasma surgical device and use of a plasma surgical device

Publications (2)

Publication Number Publication Date
WO2007006518A2 WO2007006518A2 (en) 2007-01-18
WO2007006518A3 true WO2007006518A3 (en) 2007-04-19

Family

ID=37027427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/006690 WO2007006518A2 (en) 2005-07-08 2006-07-07 Plasma-generating device, plasma surgical device and use of plasma surgical device

Country Status (9)

Country Link
US (2) US8109928B2 (en)
EP (1) EP1905286B1 (en)
JP (1) JP5231221B2 (en)
CN (1) CN101243731B (en)
CA (1) CA2614378C (en)
ES (1) ES2558684T3 (en)
HK (1) HK1123666A1 (en)
SE (1) SE529056C2 (en)
WO (1) WO2007006518A2 (en)

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US20070021747A1 (en) 2007-01-25
US8109928B2 (en) 2012-02-07
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ES2558684T3 (en) 2016-02-08
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CA2614378C (en) 2014-09-02
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