DE477220C - Circuit arrangement for the simultaneous treatment of several patients on one diathermy machine - Google Patents

Circuit arrangement for the simultaneous treatment of several patients on one diathermy machine

Info

Publication number
DE477220C
DE477220C DEO13922D DEO0013922D DE477220C DE 477220 C DE477220 C DE 477220C DE O13922 D DEO13922 D DE O13922D DE O0013922 D DEO0013922 D DE O0013922D DE 477220 C DE477220 C DE 477220C
Authority
DE
Germany
Prior art keywords
resistor
patient
circuit arrangement
simultaneous treatment
several patients
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
DEO13922D
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.)
Individual
Original Assignee
Individual
Publication date
Priority to DEO13922D priority Critical patent/DE477220C/en
Application granted granted Critical
Publication of DE477220C publication Critical patent/DE477220C/en
Expired legal-status Critical Current

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Classifications

    • 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

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Description

Schaltungsanordnung zur gleichzeitigen Behandlung mehrerer Patienten an einem Diathermie-Apparat Die Erfindung betrifft- eine Schaltungsanordnung zur gleichzeitigen Behandlung mehrerer Patienten an einem Diathermie-Apparat, bei der für jeden Patienten der Diathermiestrom der Abnahmefeder eines zweckmäßig induktiven Regulierwiderstandes zugeführt wird. Die Erfindung besteht darin, daß die Wicklungsenden des Regulierwiderstandes einerseits mit dem Patienten, andererseits mit einem zweckmäßig regelbaren Ohmschen Widerstand in Verbindung stehen und die Größen des induktiven, Patienten- und des Ohmschen Widerstandes so bemessen sind, daß bei jeder Verschiebung des Gleitkontaktes des induktiven Widerstandes der Widerstand der Verzweigung annähernd gleichbleibt.Circuit arrangement for the simultaneous treatment of several patients on a diathermy apparatus The invention relates to a circuit arrangement for simultaneous treatment of several patients on a diathermy machine in which for each patient the diathermic current of the pick-up spring of a suitably inductive Regulating resistor is supplied. The invention consists in that the winding ends the regulating resistance on the one hand with the patient, on the other hand with an expedient adjustable ohmic resistance and the sizes of the inductive, Patient and ohmic resistance are dimensioned so that with each shift of the sliding contact of the inductive resistance approximates the resistance of the branch remains the same.

Die Abbildung zeigt ein Ausführungsbeispiel des Erfindungsgegenstandes zur gleichzeitigenBehandlung von dreiPatienten. i und a sind die Klemmen des Diathermie-Apparates. Die Klemme i ist mit dem Gleitkontakt eines zweckmäßig induktiven Schiebewiderstandes 3 verbunden. An den Enden der Widerstandswicklung liegt einerseits über ein Amperemeter q. der Patient 5, andererseits der Ohmsche Widerstand 6. Das freie Ende des Patienten und des Widerstandes ist mit der Klemme a verbunden. Die Stromstärke wird dadurch geregelt, daß der Gleitkontakt des Widerstandes 3 'verstellt wird. Die beabsichtigte Wirkung tritt am besten dann ein, wenn sich der Widerstand 6 von dem des Patienten wenig unterscheidet. Insofern ist es zweckmäßig, den Widerstand 6 als Regulierwiderstand auszubilden, um ihn dem Widerstand des Patienten anpassen zu können. Die Widerstände stehen dann im Verhältnis i : z, wenn der Gleitkontakt des Widerstandes 3 auf der Mitte der Wicklung steht und die durch die Zweige fließenden Teilstromstärken gleich sind. Um dem Widerstand 6 die günstigste Größe zu geben, ist es also nötig, denGleitkontakt auf die Mitte desWiderstandes 3 zu stellen und den Widerstand 6 so einzustellen, daß die Teilströme gleich sind. Man benötigt dazu ein besonderes Amperemeter, das hinter den Widerstand 6 geschaltet werden müßte. Da jedoch die Stromstärken auch nacheinander gemessen werden können, läßt sich zweckmäßig ein Amperemeter verwenden, das durch eine Umschaltvorrichtung einmal in denPatientenstromkreis, das andere Mal hinter den Widerstand gelegt wird.The figure shows an exemplary embodiment of the subject matter of the invention for the simultaneous treatment of three patients. i and a are the terminals of the diathermy apparatus. The terminal i is with the sliding contact of an expedient inductive sliding resistor 3 connected. On the one hand there is an ammeter at the ends of the resistance winding q. the patient 5, on the other hand the ohmic resistance 6. The free end of the patient and the resistor is connected to the terminal a. The amperage is thereby regulated that the sliding contact of the resistor 3 'is adjusted. The intended Effect occurs best when the resistance 6 differs from that of the patient little differs. In this respect, it is useful to use the resistor 6 as a regulating resistor train in order to be able to adapt it to the patient's resistance. The resistances are then in the ratio i: z when the sliding contact of the resistor 3 on the The middle of the winding and the partial currents flowing through the branches are the same are. Thus, in order to give the resistor 6 the most favorable size, it is necessary to use the sliding contact to the middle of the resistor 3 and adjust the resistor 6 so that that the partial flows are the same. You need a special ammeter, the behind the resistor 6 would have to be switched. However, since the currents too can be measured one after the other, it is advisable to use an ammeter, that through a switching device once into the patient circuit, the other Time is placed behind the resistance.

Claims (1)

PATENTANSPRUCH: Schaltungsanordnung zur gleichzeitigen Behandlung mehrerer Patienten an einem Diathermie - Apparat, bei der für jeden Patienten der Diathermiestrom der Abnahmefeder eines zweckmäßig induktiven Regulierwiderstandes zugeführt wird, dadurch gekennzeichnet, daß die Wicklungsenden dieses Widerstandes (3) einerseits mit dem Patienten (5), andererseits mit einem zweckmäßig regelbaren Ohmschen Widerstand (6) in Verbindung stehen und die Größen des induktiven, Patienten-und des Ohmschen Widerstandes (3, 5, 6) so bemessen sind, daß bei jeder Verschiebung des Gleitkontaktes des induktiven Widerstandes (3) der Widerstand der Verzweigung annähernd gleichbleibt. . PATENT CLAIM: Circuit arrangement for the simultaneous treatment of several patients on a diathermy apparatus, in which the diathermy current is fed to the pick-up spring of an appropriately inductive regulating resistor for each patient, characterized in that the winding ends of this resistor (3) on the one hand with the patient (5) on the other are connected to an appropriately controllable ohmic resistor (6) and the sizes of the inductive, patient and ohmic resistance (3, 5, 6) are dimensioned so that with each displacement of the sliding contact of the inductive resistor (3) the resistance of the Branching remains approximately the same. .
DEO13922D Circuit arrangement for the simultaneous treatment of several patients on one diathermy machine Expired DE477220C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEO13922D DE477220C (en) Circuit arrangement for the simultaneous treatment of several patients on one diathermy machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO13922D DE477220C (en) Circuit arrangement for the simultaneous treatment of several patients on one diathermy machine

Publications (1)

Publication Number Publication Date
DE477220C true DE477220C (en) 1929-06-04

Family

ID=7353530

Family Applications (1)

Application Number Title Priority Date Filing Date
DEO13922D Expired DE477220C (en) Circuit arrangement for the simultaneous treatment of several patients on one diathermy machine

Country Status (1)

Country Link
DE (1) DE477220C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946079C (en) * 1951-08-30 1956-07-26 Lorenz C Ag Device for medical diathermy treatment using short or ultra-short electrical waves
DE970484C (en) * 1950-12-13 1958-09-25 Jakob Kreuzer Iontophoresis apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970484C (en) * 1950-12-13 1958-09-25 Jakob Kreuzer Iontophoresis apparatus
DE946079C (en) * 1951-08-30 1956-07-26 Lorenz C Ag Device for medical diathermy treatment using short or ultra-short electrical waves

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