US743373A - Electromagnetic therapeutic apparatus. - Google Patents

Description

No. 748,373. PATENTED NOV. 3, 1903,

" E. BACHELET.

ELECTROMAGNETIC THERAPEUTIC APPARATUS.

APPLICATION FILED OCT. 2, 1903.

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' PATENT O FICE.

EMILE BACHELET, OF TACOMA, WASHINGTON.

ELECTROMAGNETIC THERAPEUTIC APPARATUS.

SPECIFICATION forming part of Letters Patent No. 743,373, dated November 3, 1903.

Application filed October 2, 1908. Serial No. 175,505. (No model-l To all whom it may concern:

Be it known that I, EMILE BACHELET, of Tacoma, in the county of Pierce and State of Washington, have invented certain new and useful Improvements in Electromagnetic Therapeutic Apparatus; and I hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, which form part of this specification.

This invention relates to electromagnetic therapeutics, it beinga novel efficacious apparatus for treatingv diseases by application of electromagnetism in a novel manner.

The object of the invention is to enable powerful electromagnetic currents or lines of force to be directed through the human body or any part thereof without direct contact of the body with the magnetic poles or anodes and to enable the magnetic waves to be concentrated and directed at will through the patient without necessarily having any direct application of apparatus to his body, so that the patient may be placed wholly or partly within a magnetic field and a magnetic current directed through his entire body or any portion thereof without necessarily interfering with his physical comfort or occupation.

The invention in brief comprises two elec- 0 tromagnets arranged in series and some disto wit: The north pole of one magnet must be in opposition to the south pole of the other, so that the center of the magnetic field will pass axially through both magnets and be of greatest intensity, the operator by adj ust- .ing the magnets positively determining the able generator either direct or by use of a flow of greatest magnetic force through any portion of the body of the patient. Preferably I employ an intermittent or alternating current, which may be derived from any suittransformer. I may also use a direct current; but in the latter case I prefer to place an interrupter in the circuit, as it is in many cases desirable to use an alternating or intermittent current for the purpose of breaking down diseased tissues or relieving congested conditions of the blood. I may also use an interrupter in connection with an alternating current to render the vibrations more acute and increase the length of the field or lines of force. The magnets may be energized by connecting them in series or multiple or independently, and I would consider it within the scope of my invention to use a permanent magnet in place of one of the electromagnets.

The magnets need not necessarily be of the same power or size, the vital feature of the invention being the employment of magnets acting in series, so that the operator by properly positioning them can direct the flow of greatest lines of force through any part of the body of the patient in any position of the latter without encumbering him with unsightly and uncomfortable contacts or anodes. I further provide means for varying the strength of the magnets without changing the source or wasting thecurrent by cutting out or in more or less of the magnetcoils. I have used solenoids without cores with excellent results, but "can use the cores, if desired. Theipreferred form of electromagnet without a core is shown in my application for Patent No. 169,200, filed August 12, 1903. V

The accompanying drawings illustrate diagrammatically my improved apparatus in several difierent arrangements, and I will now describe the same more in detail with reference thereto, and the claims following the description of the operation of the apparatus summarize the novel features for which protection is desired.

Figure 1 is a diagram illustrating two electromagnets connected in series and acting in series. Fig. 2 is a similar view illustrating two electromagnets acting in series and connected in multiple. Fig. 3 is a similar view illustrating two magnets acting in series and energized by independent currents. Fig. 4 is a detail view indicating a mode of using the apparatus. Fig. 5 is a diagram showing the preferred mode of winding the magnets.

In the drawings, A A designate two elecrs L24 .tromagnets which are separated, but arranged in seriesthat is, with the north pole of one magnet adjacent to the south pole of the other. It therefore follows that the magnets coact in establishing a common field of force in which the magnetic lines of force will be found thickest and continuous between the adjacent opposed poles of the magnets, as indicated by the arrows. An Object interposed between the two magnets therefore will be subjected to the greatest number and power of the lines of force generated by both magnets.

In Fig. 1 both magnets are connected in series with a common source B of electrical energy, which is shown as a battery, but may be any other suitable mechanical or chemical generator. An interrupter C is placed in the circuit, so that the current will be broken or undulating, thereby creating pulsations of the magnetic field, as is well known, and intensifying the action of the magnets.

In Fig. 2 the magnets A A are similarly arranged to act together or in series; but

they are connected in multiple, their south poles being connected to one terminal of the generator D, while their north poles are connected to the other terminal of said generator. hating-current dynamo or may be any other kind of generator. Interrupters may be placed in the circuits of the magnets, if desired.

In Fig. 3 the magnets A A are in series; but magnet A is in a circuit energized by a generator E and magnet A in a circuit energized by a generator F, said generators E and F being of dilterent powers or types. Interrupters may also be placed in the circuits of the magnets in Fig. 3, if desired. In allthese modifications it will be noted that the magnets act in series, so that the axial lines of force pass through both magnets or flow directly from one magnet to and through the other, and therefore it is obvious that by moving one magnet relatively to the other, so thatadirect line between their opposed poles will pass through the body of the patient, such part of the patient will be traversed by the greatest number of direct axial lines of force without the magnets actually contacting with the patient.

One manner of treatment is indicated in Fig. 4, in which the magnets are placed at opposite sides of a room and the patient seated in the chair therebetween will be subjected to the action of the magnetic current flowing directly from magnet A to magnet A,

as indicated in the drawings. It will be seen that by my apparatus the lines of force developed by electromagnet A, for example, can be concentrated or prolonged in the direction of magnet A, and thus given a definite direction, enabling the operator to certainly control and direct their application to the patient, and this is the principal feature of the invention, and I do not restrict myself to This generator is preferably an alterthe employment of a second electromagnet A for the purpose of elongating or directing the magnetic field or lines of force generated by magnet A. Any other device which will accomplish the desired object may be substituted for magnet A within the scope of my invention. The possibility of varying and localizing the application of the magnetic currents by varyingthe relative positions of the magnets will be obvious.

In Fig. 5 I have indicated a preferred construction of the magnets in'that the magnet is preferably wound in a flat widev annular coil or ring, which is divided into sections connected with contacts a, any one of which can be brought into electrical communication with binding-post a by theswitch-arm Ct. The other terminals of the coils are all connected to a common terminal a and therefore by shifting switch a more or less of the magnet-coils are cut into the circuit, and consequently greater or less magnetic force is generated by the magnet. While the same effect could be realized by introduction of a rheostat in the circuit, this construction of magnet economizes the power and is more compact and desirable than a rheostat, particularly when the apparatus is made in portable form and operated by batteries.

In Fig. 5 a core A is indicated in the magnet, Which core should be laminated when used; but I do not restrict myself to the employment of cored magnets.

Having thus described my invention, what I therefore claim as new, and desire to secure by Letters Patent thereon, is-

1. In an electromagnetic therapeutic apparatus, an electromagnet, and means for prolonging the lines of force generated by said magnet and giving direction thereto, substantially as specified.

2. An electromagnetic therapeutic apparatus comprising an electromagnet, means mechanically disconnected from said electromagnet for prolonging and directing the lines of force generated thereby, and means for varying the strength of the magnetic field, substantially as described.

3. In an electromagnetic therapeutic apparatus, two magnets arranged in series mechanically disconnected but for the purpose and substantially as described.

4. In an electromagnetic therapeutic apparatus, two mechanicallydisconnected electromagnets arranged in series and means for energizing the magnets, substantially as described.

5. In an electromagnetic therapeutic apparatus, two electromagnets arranged in series and an interrupter, substantially as described.

6. In an electromagnetic therapeutic apparatus, an electromagnet, and a second magnet in series therewith, said magnets being mechanically disconnected but relatively adjustable.

7. In an electromagnetic therapeutic appa ratus two eleetromagnets acting in series,and relatively adjustable, and an interrupter,snbstantially as. described.

8. In an electromagnetic therapeutic apparatus; two electromagnets acting in series but mechanically disconnected, means for energizing said magnets, and means for varying the strength of the magnets, substantially as described.

9. In an electromagnetic therapeutic apparatus; two electromagnets acting in series,and relatively adjustable, means for energizing saidelectromagnets, and an interrupter, substantially as described.

10. In an electromagnetic therapeutic apparatus, an electromagnet, means for energizing it, and an interrupter; with a second magnet acting in series with the first magnet and adjustable relatively thereto.

ing of coils separated in space but connected together electrically and excited by means of an alternating or vibratory current whereby alternating or vibrating magnetic Waves are sent to the space between said coils.

In testimony that I claim the foregoing as my own I'affix my signature in presence of two witnesses.

EMILE BAOHELET.

In presence of- SIEGFRIED F. SAHM, ARTHUR E. DOWELL.

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