ELECTROSPATULA AND UNIVERSAL SUPPORT FOR IT Russian patent published in 2000 - IPC

FIELD: stomatology, applicable for finishing of articles made of fusible materials and operation with wax models. SUBSTANCE: the electrospatula has handle 1, with light indicator 15 installed on it, movable spring-loaded contact 10 and replaceable extension piece 2, with heating element 5 installed in it. Projecting rods 7 are rigidly fastened in the extension piece body on the diametrically opposite sides. The cavity of handle 1 accommodates a cylinder with L-shaped grooves made on the diametrically opposite sides corresponding to the rods conjugate to them. The movable spring-loaded contact is installed for movement in the extension piece axis and rests on the extension piece end. Splines are made on the body section projecting from the handle on the diametrically opposite sides. The light indicator is connected to the pulse voltage circuit in parallel with the heating element. The universal support has a foundation with the front and rear supports fastened to it, and each having a hole or slot, respectively, in the upper part for location of the electrospatula. The front support has an additional hole of a smaller diameter, adjacent to the available one and located under it in the common vertical axis. The shape of this hole corresponds to the body surface part with splines conjugate to it. EFFECT: enhanced reliability, capacity and convenience in use. 2 cl, 9 dwg