An improved electric induction device for medical and like purposes.

  • Reichenberger, Victor
Date:
1903
Catalogue details

Licence: Public Domain Mark

Credit: An improved electric induction device for medical and like purposes. Source: Wellcome Collection.

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    N° 20,572 A.D. 1903 Date ot Application, 24th Sept., 1903—Accepted, 3rd Dec., 1903 COMPLETE SPECIFICATION. 44 An Improved Electric Induction Device for Medical and like Purposes.” 5 We, Victor ReichEi\rerger of 26 Glockenhofstrasse and Eugen Weiers- muller, of 16 Marienstrasse, both of Nuremberg in the Empire of Germany, Merchants, do hereby declare the nature of this invention and in what manner the same is to be performed, to be particularly described and ascertained in and by the following statement: — This invention has for its object an induction apparatus for medical purposes, in wdiich the induction coil, the current breaker and the battery are so constructed in the conducting handles intended for giving off the current, that by the opera¬ tion of a contact and switch, the induction current may be conveyed either to the it) handles or to rheophore bars adapted to be fitted thereon. By this arrangement the transport and use of the instruments is considerably facilitated. The present arrangement differs from arrangements of similar character mainly by the handles themselves being in conducting connection with the source of current, so that there takes place not merely a local electrifying by means of 15 rkeophores but also an electrifying which influences the whole body. In the accompanying drawings, Figure I is a vertical section of the improved induction apparatus, Figures II and III are detail views. As shown, the induction coil h with an iron core c serving for regulating the 20 strength of the current, is constructed in the handle a which is formed of metal, the iron core projecting by means of a draw knob d from the under end of the handle a to allow of more easy handling. Above the induction coil a battery e is located which communicates through a pole f with an insertion pin g which is mounted on an insulated plate 2- which is inserted in the handle a. The 2b insertion pin g in turn conducts the current through an artery h of a double cable adapted to be fitted on by means of terminals, to an insertion pin i and from here through the magnetic winding of a contact breaker k located in another handle w, to a contact screw l and through a current breaking lever m to an insertion pin n and thence to a wire or cable o and then to an insertion pin p 30 to the primary winding of the coil and finally to the pole r of the battery e. This latter communicates through a rubbing spring $ with the primary winding of the induction coil, whilst a secondary winding t of the induction coil, and also an insertion pin u is brought into conducting connection with the inner wall surface of the metal handle a. In order to allow of the contact breaker Jc which 3d is constructed in the handle w being put out of action, a pivotally mounted spring lever q is provided on the cover plate v on which the contact breaker is mounted, which lever retains the contact breaking lever m in the position requisite for interrupting the current. As soon however as by pressure on the lever q, the armature is released, it is 4 ' set in oscillation, producing an alternate closing and breaking of the circuit. A switch x is also provided on the plate v beneath the insertion pin n, which switch communicates with the current conductor in such a way, that the current- may be alternately conveyed into the handles or into the rheophore bars y yl adapted to be placed on the insertion pins u and n. 45 jn using the primary current the rheophore bar yl is placed on the pin g and in using the secondary current on the pin u. \Price 8r?.]