DE20014128U1 - High frequency surgical device - Google Patents

High frequency surgical device

Info

Publication number
DE20014128U1
DE20014128U1 DE20014128U DE20014128U DE20014128U1 DE 20014128 U1 DE20014128 U1 DE 20014128U1 DE 20014128 U DE20014128 U DE 20014128U DE 20014128 U DE20014128 U DE 20014128U DE 20014128 U1 DE20014128 U1 DE 20014128U1
Authority
DE
Germany
Prior art keywords
frequency
body tissue
proportion
surgical device
treatment
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.)
Expired - Lifetime
Application number
DE20014128U
Other languages
German (de)
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.)
Aesculap AG
Original Assignee
Aesculap AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7635645&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE20014128(U1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Aesculap AG filed Critical Aesculap AG
Priority to DE20014128U priority Critical patent/DE20014128U1/en
Publication of DE20014128U1 publication Critical patent/DE20014128U1/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
    • 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
    • A61B18/1206—Generators therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00—Automatic control of voltage, current, or power
    • H03L5/02—Automatic control of voltage, current, or power of power
    • 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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • 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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00845—Frequency
    • A61B2018/00857—Frequency harmonic

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (10)

1. Hochfrequenz-Chirurgiegerät zur Erzeugung eines durch Körpergewebe hindurchfließenden Hochfre­ quenz-Stromes mit einem Ausgang zum Anschluß von an das Körpergewebe anlegbaren Elektroden, an dem eine Hochfrequenz-Ausgangsspannung anliegt, mit einer Meßeinrichtung zur Bestimmung des Anteils des Hochfrequenz-Stromes mit einer höheren Harmo­ nischen der Grundfrequenz der Hochfrequenz-Aus­ gangsspannung und mit einer Steuereinrichtung für das Hochfrequenz-Chirurgiegerät, welches mit der Meßeinrichtung verbunden ist und deren Meßsignal bei der Steuerung des Hochfrequenz-Chirurgiegerä­ tes verarbeitet, dadurch gekennzeichnet, daß die Hochfrequenz-Ausgangsspannung von der reinen Si­ nusform abweicht, daß eine weitere ebenfalls mit der Steuerung (17) verbundene Meßeinrichtung (11) zur Bestimmung des Anteils des Hochfrequenz-Stro­ mes mit der Grundfrequenz der Hochfrequenz-Aus­ gangsspannung vorgesehen ist, und daß die Steue­ rung (17) in Abhängigkeit von dem Anteil oder dem zeitlichen Verlauf des Anteils mit der Grundfre­ quenz und/oder mit einer höheren Harmonischen der Grundfrequenz die Betriebsparameter des Hochfre­ quenz-Chirurgiegerätes (1) verändert. 1. High-frequency surgical device for generating a high-frequency current flowing through body tissue with an output for connecting electrodes that can be applied to the body tissue, to which a high-frequency output voltage is applied, with a measuring device for determining the proportion of the high-frequency current with a higher harmonic African the basic frequency of the high-frequency output voltage and with a control device for the high-frequency surgical device, which is connected to the measuring device and whose measurement signal is processed in the control of the high-frequency surgical equipment, characterized in that the high-frequency output voltage of the pure Si nusform deviates that another also with the controller ( 17 ) connected measuring device ( 11 ) for determining the proportion of the high-frequency Stro mes is provided with the fundamental frequency of the high-frequency output voltage, and that the control ( 17 ) depending on the proportion or the z The course of the portion with the basic frequency and / or with a higher harmonic of the basic frequency changes the operating parameters of the high-frequency surgical device ( 1 ). 2. Gerät nach Anspruch 1, dadurch gekennzeichnet, daß die Steuerung (17) bei Betrieb des Hochfrequenz- Chirurgiegerätes (1) mit einer Ruheleistung, die unter der für eine Behandlung des Körpergewebes ausreichenden Betriebsleistung liegt, beim Anstei­ gen des Anteils mit der Grundfrequenz über einen bestimmten Schwellwert hinaus und bei gleichzeitig fehlendem Ansteigen des Anteils mit einer höheren Harmonischen der Grundfrequenz die Ausgangslei­ stung des Hochfrequenz-Chirurgiegerätes (1) er­ höht.2. Apparatus according to claim 1, characterized in that the control ( 17 ) during operation of the high-frequency surgical device ( 1 ) with a quiescent power, which is below the operating power sufficient for treatment of the body tissue, when increasing the proportion with the basic frequency above a certain threshold value and if there is no increase in the proportion with a higher harmonic of the fundamental frequency, the output power of the high-frequency surgical device ( 1 ) increases. 3. Gerät nach Anspruch 1 oder 2, dadurch gekennzeich­ net, daß die Steuerung (17) bei einem Betrieb des Hochfrequenz-Chirurgiegerätes (1) mit einer für die Behandlung des Körpergewebes ausreichenden Betriebsleistung die Ausgangsleistung herabsetzt oder abschaltet, wenn der Anteil der Grundfrequenz des Hochfrequenz-Stromes um einen bestimmten Ab­ nahmewert absinkt.3. Apparatus according to claim 1 or 2, characterized in that the controller ( 17 ) during operation of the high-frequency surgical device ( 1 ) with an operating power sufficient for the treatment of the body tissue reduces or switches off the output power when the portion of the fundamental frequency of the High-frequency current decreases by a certain decrease value. 4. Gerät nach Anspruch 3, dadurch gekennzeichnet, daß der Abnahmewert mindestens 40% des während der Behandlung des Körpergewebes auftretenden Maximal­ wertes des Anteils mit der Grundfrequenz beträgt. 4. Apparatus according to claim 3, characterized in that the decrease value at least 40% of that during the Treatment of body tissue occurring maximum value of the share with the fundamental frequency.   5. Gerät nach Anspruch 4, dadurch gekennzeichnet, daß der Abnahmewert etwa 50% des während der Behand­ lung des Körpergewebes auftretenden Maximalwertes des Anteils mit der Grundfrequenz beträgt.5. Apparatus according to claim 4, characterized in that the decrease value is about 50% of that during treatment maximum value occurring in the body tissue the share with the fundamental frequency. 6. Gerät nach Anspruch 3 oder 4, dadurch gekennzeich­ net, daß die Steuerung (17) bei einem Betrieb des Hochfrequenz-Chirurgiegerätes mit einer für die Behandlung des Körpergewebes ausreichenden Be­ triebsleistung die Ausgangsleistung herabsetzt oder abschaltet, wenn der Anteil der Grundfrequenz des Hochfrequenz-Stromes nach einer bestimmten Zeit nach Beginn der Behandlung des Körpergewebes nicht auf einen bestimmten Wert angestiegen ist, der unterhalb des Maximalwertes des Hochfrequenz­ stromes mit der Grundfrequenz bei normalem Körper­ gewebe liegt.6. Apparatus according to claim 3 or 4, characterized in that the controller ( 17 ) during operation of the high-frequency surgical device with a sufficient for the treatment of the body tissue operating power Be the output power decreases or turns off when the proportion of the fundamental frequency of the high-frequency Current after a certain time after the start of treatment of the body tissue has not risen to a certain value which is below the maximum value of the high-frequency current with the basic frequency in normal body tissue. 7. Gerät nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Steuerung (17) beim An­ wachsen des Anteils des Hochfrequenz-Stromes mit einer höheren Harmonischen über einen bestimmten Maximalwert hinaus das Hochfrequenz-Gerät (1) ab­ schaltet. 7. Device according to one of claims 1 to 6, characterized in that the controller ( 17 ) when the proportion of the high-frequency current increases with a higher harmonic beyond a certain maximum value, the high-frequency device ( 1 ) switches off. 8. Gerät nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Meßeinrichtungen Bandpaß­ filter (11, 12) umfassen, die im Sekundärkreis eines in den Hochfrequenz-Stromkreis (6) einge­ schalteten Übertragers (8) angeordnet sind.8. Device according to one of claims 1 to 7, characterized in that the measuring devices comprise bandpass filters ( 11 , 12 ) which are arranged in the secondary circuit of a in the high-frequency circuit ( 6 ) switched transformer ( 8 ). 9. Gerät nach Anspruch 8, dadurch gekennzeichnet, daß die Bandpaßfilter (11, 12) als Bandpaßfilter vier­ ter Ordnung ausgebildet sind.9. Apparatus according to claim 8, characterized in that the bandpass filter ( 11 , 12 ) are designed as a fourth order bandpass filter. 10. Gerät nach Anspruch 8 oder 9, dadurch gekennzeich­ net, daß jedem Bandpaßfilter (11, 12) ein Spitzen­ wertgleichrichter (13, 14) und ein Impedanz-Wand­ ler (15, 16) nachgeschaltet ist.10. Apparatus according to claim 8 or 9, characterized in that each bandpass filter ( 11 , 12 ) a peak value rectifier ( 13 , 14 ) and an impedance wall ler ( 15 , 16 ) is connected downstream.
DE20014128U 2000-03-20 2000-08-16 High frequency surgical device Expired - Lifetime DE20014128U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20014128U DE20014128U1 (en) 2000-03-20 2000-08-16 High frequency surgical device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000113795 DE10013795C5 (en) 2000-03-20 2000-03-20 High-frequency surgical device and method for its control
DE20014128U DE20014128U1 (en) 2000-03-20 2000-08-16 High frequency surgical device

Publications (1)

Publication Number Publication Date
DE20014128U1 true DE20014128U1 (en) 2001-03-15

Family

ID=7635645

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2000113795 Expired - Lifetime DE10013795C5 (en) 2000-03-20 2000-03-20 High-frequency surgical device and method for its control
DE20014128U Expired - Lifetime DE20014128U1 (en) 2000-03-20 2000-08-16 High frequency surgical device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2000113795 Expired - Lifetime DE10013795C5 (en) 2000-03-20 2000-03-20 High-frequency surgical device and method for its control

Country Status (1)

Country Link
DE (2) DE10013795C5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004108000A1 (en) * 2003-06-06 2004-12-16 Telea Electronic Engineering Srl Electronic scalpel to cut organic tissues
US8657817B2 (en) 2004-11-11 2014-02-25 Erbe Elektromedizin Gmbh HF surgical instrument
EP2898847A1 (en) * 2014-01-13 2015-07-29 Covidien LP Systems and methods for multifrequency cable compensation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218893A1 (en) 2002-04-26 2003-11-13 Storz Endoskop Prod Gmbh RF Chirugiegenerator
WO2004095012A1 (en) * 2003-04-17 2004-11-04 Akubio Limited Crystal oscillator
DE102008024714A1 (en) 2008-05-22 2009-11-26 Olympus Winter & Ibe Gmbh Surgical electrode for cutting tissue in patient body in fluids using high-frequency current, is provided with device for monitoring activity of electrode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510586A1 (en) * 1985-03-23 1986-10-02 Erbe Elektromedizin GmbH, 7400 Tübingen Control device for a high-frequency surgical instrument
DE3573525D1 (en) * 1985-10-23 1989-11-16 Erbe Elektromedizin High-frequency surgical apparatus
DE4126607C2 (en) * 1991-08-12 2003-10-09 Storz Karl Gmbh & Co Kg Arrangement for cutting biological tissue with high frequency current

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004108000A1 (en) * 2003-06-06 2004-12-16 Telea Electronic Engineering Srl Electronic scalpel to cut organic tissues
US7300437B2 (en) 2003-06-06 2007-11-27 Telea Electronic Engineering Srl Electronic scalpel to cut organic tissues
US8657817B2 (en) 2004-11-11 2014-02-25 Erbe Elektromedizin Gmbh HF surgical instrument
EP2898847A1 (en) * 2014-01-13 2015-07-29 Covidien LP Systems and methods for multifrequency cable compensation
US9901386B2 (en) 2014-01-13 2018-02-27 Covidien Lp Systems and methods for multifrequency cable compensation
US9901385B2 (en) 2014-01-13 2018-02-27 Covidien Lp Systems and methods for multifrequency cable compensation

Also Published As

Publication number Publication date
DE10013795B4 (en) 2005-10-27
DE10013795C5 (en) 2009-08-06
DE10013795B9 (en) 2006-04-20
DE10013795A1 (en) 2001-10-11

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010419

R150 Term of protection extended to 6 years

Effective date: 20030905

R151 Term of protection extended to 8 years

Effective date: 20060818

R081 Change of applicant/patentee

Owner name: AESCULAP AG, DE

Free format text: FORMER OWNER: AESCULAP AG & CO. KG, 78532 TUTTLINGEN, DE

Effective date: 20080624

R152 Term of protection extended to 10 years

Effective date: 20080828

R071 Expiry of right