DE617563C - Diathermy machine - Google Patents

Diathermy machine

Info

Publication number
DE617563C
DE617563C DE1930617563D DE617563DD DE617563C DE 617563 C DE617563 C DE 617563C DE 1930617563 D DE1930617563 D DE 1930617563D DE 617563D D DE617563D D DE 617563DD DE 617563 C DE617563 C DE 617563C
Authority
DE
Germany
Prior art keywords
frequency
low
transformer
diathermy
choke
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
Application number
DE1930617563D
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.)
Electricitaets Gesellschaft Sanitas mbH
Original Assignee
Electricitaets Gesellschaft Sanitas mbH
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 Electricitaets Gesellschaft Sanitas mbH filed Critical Electricitaets Gesellschaft Sanitas mbH
Application granted granted Critical
Publication of DE617563C publication Critical patent/DE617563C/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • 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
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)
  • Ac-Ac Conversion (AREA)
  • General Induction Heating (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

Hierzu ι Blatt ZeichnungenFor this purpose ι sheet of drawings

Claims (3)

Patentansprüche:Patent claims: 1. Diathermieapparat nach Patent 597 795; dadurch gekennzeichnet, daß in den Sekundärleitungen des Niederfrequenztransformators (3) zwei Hochfrequenzdrosseln vorgesehen sind, die den Hochfrequenzschwingungen den Weg zur Schützspule und zum Niederfrequenztransformator versperren.1. Diathermy apparatus according to patent 597 795; characterized in that in the secondary lines of the low-frequency transformer (3) two high-frequency chokes are provided that the high-frequency oscillations the way to the contactor coil and the low-frequency transformer block. 2. Diathermieapparat nach Anspruch 1, dadurch gekennzeichnet, daß die dem Transformator " zugekehrten Enden der Drossel durch einen Kondensator kurzgeschlossen sind, der für etwa eintre- tende Hochfrequenzschwingungen einen Kurzschluß bildet.2. Diathermy apparatus according to claim 1, characterized in that the dem Transformer "facing ends of the choke are short-circuited by a capacitor, which occurs for about tend high frequency vibrations forms a short circuit. 3. Diathermieapparat nach Anspruch 2, dadurch gekennzeichnet, daß der mit der Behandlungselektrode in Verbindung stehende Pol des Niederfrequenztransformators zwischen Drossel und Niederfrequenzsystem geerdet ist.3. Diathermy apparatus according to claim 2, characterized in that the with Pole of the low-frequency transformer connected to the treatment electrode between the choke and the low frequency system.
DE1930617563D 1927-10-19 1930-05-18 Diathermy machine Expired DE617563C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL69974D DE577064C (en) 1927-10-19 1927-10-19 Electrocautery for surgical diathermy

Publications (1)

Publication Number Publication Date
DE617563C true DE617563C (en) 1935-08-21

Family

ID=7282428

Family Applications (3)

Application Number Title Priority Date Filing Date
DEL69974D Expired DE577064C (en) 1927-10-19 1927-10-19 Electrocautery for surgical diathermy
DE1930617563D Expired DE617563C (en) 1927-10-19 1930-05-18 Diathermy machine
DE1930620772D Expired DE620772C (en) 1927-10-19 1930-08-10 Diathermy facility

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DEL69974D Expired DE577064C (en) 1927-10-19 1927-10-19 Electrocautery for surgical diathermy

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1930620772D Expired DE620772C (en) 1927-10-19 1930-08-10 Diathermy facility

Country Status (1)

Country Link
DE (3) DE577064C (en)

Also Published As

Publication number Publication date
DE620772C (en) 1935-10-26
DE577064C (en) 1935-01-02

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