[Electric dental analgesia apparatus with increased stabilization of the operating current]. / Elektricheskii zubnoi obezbolivatel' s povyshennoi stabilizatsiei rabochego toka

To improve the construction of the existing (formula: see text) apparatus intended for relief of pain during treatment of hard dental tissues a new version of this unit with a higher stabilization of the operating current--model (formula: see text) -- has been designed. In it the intensity of the current is adjustable within the range of 1 to 30 micronA. Power supply from the mains and from the storage battery "Krona" is provided for in the apparatus.