Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1994-03-22
1995-11-28
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607150, A61N 120
Patent
active
054703492
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device for treating inflammatory skin changes in the initial stage with the aid of electric direct current.
Appliances which use electric direct current for the therapeutic and cosmetic treatment of parts of the skin are known in principle. Thus, in utility model DE-G 90 17 597.2 there is an appliance for iontophoresis, in particular for the cosmetic treatment of parts of the face with direct-current source, liquid-moistened treatment electrode and hand electrodes, the treatment electrode and the hand electrode being connected electrically to the direct-current source. On the treatment electrode active substances of similar charges, which are present in aqueous solution or have been applied as ointment to the skin, are channeled into the skin by application of direct voltage.
In GB-A-2 064 178 an electrical supply unit is described for an appliance for silver ion therapy. In this case a positive layer polarized silver electrode is arranged directly on the parts of the tissue of the patient which is to be treated. The counter-electrode is secured at another position on the body. By switching on the direct current, silver ions on the silver-containing electrode connected as anode are released, which silver ions can penetrate through the tissue to be treated up to a depth of 1 cm, and their bactericidal action is made use of in the treatment.
Other appliances whose action is not based on the channelling of active substances into the tissue to be treated are likewise known. Thus, in GB-A-2 181 056 an appliance is described for the treatment of inflammatory skin changes, particularly in the mouth cavity. The appliance consists of a housing, which comprises a direct-current source, for example a battery, as well as a treatment electrode. The treatment electrode can be connected directly to the housing via an electrode carrier, in this case a clip then serves as counter-electrode, which clip is connected via a flexible cable to the current supply in the housing and can be arranged, for example, on the earlobe of the patient. As an alternative to this, the treatment electrodes can be connected via a cable to the direct-current source in the housing, the housing which the patient holds in his hand then serving itself as counter-electrode.
This appliance is noted for the fact that it is not very user-friendly, particularly in the case of self-treatment by the patient. In addition, only a very punctiform treatment of diseased skin areas is possible with this appliance, as a function of the limited electrode radius.
A device for galvanotherapy is known from the Swiss Patent Specification No. 65 020, which device comprises a housing, with a direct-current source fitted therein, and an electrode carrier on which are arranged at least two electrodes of opposite polarity, which electrodes are connected electrically to the direct-current source. The electrode carrier is in this case connected in a fixed manner to the housing. The two electrodes can have various shapes, the electrode and counter-electrode however being arranged parallel to one another in principle, as a result of which the area of skin to be treated is flanked by the electrodes (from two sides).
GB-A-21 15 700 describes a device for treating pains using a treatment electrode which is mounted on a spring and is movable in the longitudinal direction in the housing. The counter-electrode in this case concentrically circumscribes the housing in the grip part.
DE-A-37 19 353 discloses an electrical stimulator for nerves, whose stimulator circuit equipped with current stabilizer can be applied to the patients by means of an adhesive skin electrode and an electrically conducting puncture needle electrode, which is however insulated on the outside as far as the tip, a current intensity preselector with current intensity indicator for adjusting constant current intensities for the puncture procedure and nerve search procedure and a current intensity indicator being provided.
The object of the present invention is therefore to provi
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patent: 712220 (1902-10-01), Vetter et al.
patent: 2659372 (1953-11-01), Andresen
patent: 2994324 (1961-08-01), Lemos
patent: 4323073 (1982-04-01), Ferris
patent: 4406658 (1983-09-01), Lattiw et al.
Khazaka Gabriel
Kleditsch Bernhard
Courage & Khazaka Electronic GmbH
Kamm William E.
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