DE112214T1 - WORKPLACE FOR DENTAL TECHNICAL WORK. - Google Patents

Abstract

1. A working place for preparing wire arches (A) for orthodontic works, said working place being characterized in that it comprises at least the following elements grouped in one set : a surface (1) to be lighted by transparency, for examining radiographs against the light, and an apparatus for controlling said surface lighting, a projector (2) of arch curve models with a translucent projection screen (3) and at least one control and/or adjustment apparatus (26), two electric terminals (4, 4') each able to receive one end of an arch (A) and each connected to one electric wire (4a, 4b), one of said wires being provided with a switch (5), a vat (6) for reduction of the arches (A) for receiving an etching agent or an electrolyte, a vat (7) able to receive an etching agent and/or electrolyte neutralizing solution, and mechanical connection means (8) maintaining associated all said elements and making said set look like a piece of furniture.

Claims (11)

PRINZ, LEiSEFi, BUNKE & PARTNER Patentanwälte European Patent Attorneys Q "j Ί 2 2 1 A Munich Stuttgart EP 83402257.6 (0 112 214) Jean-Louis DOREMIEUX July 3, 1984 17, rue de Metz F-54000 Nancy / France Our reference: D 770 claims 1. Workplace for dental regulation work, in particular for the production of braces from metal wire, whereby This workstation is characterized in that it has at least the following elements grouped into a unit contains: - A surface (1) that can be illuminated through transparency for examining radiographs through transparency as well a controller to control the lighting of this surface, - a projector (2) that projects models of curved arcs, with a translucent projection screen (3) and at least one control and / or setting element (26), - Two electrical connections (4, 4 ¹ ), each of which can receive one end of an arc (A) and are each connected to an electrical conductor (4a., 4b), one of these conductors comprising a breaker, 01122U - a shell (6) for reducing the arches and for receiving an etchant and / or electrolyte, - A tray (7) for receiving a solution which neutralizes the etchant and / or the electrolyte, and - mechanical connecting means (8), which hold all these elements together in their assignment and this Giving unity the look of a piece of furniture. 2. Work station according to claim 1, characterized in that said mechanical connecting means (8) through a housing standing on legs (9) are formed, which gives it the appearance of a table, this Gep. housing (8) contains the elements (1, 2, 3, 4, 5, 6, 7) mentioned, of which the setting and control elements (10) for the most part are arranged on a side surface (11) of said housing, and that the top (13) this Housing (8) is made of plastic material and has troughs (6, 7) which receive two shells, and an opening (12), below which said electrical connections (4, 4 ') are located, these Top (13) made of plastic material, the outer surface of the projection screen (3) and the illuminated by transparency Surface (1) receives or contains. 3. Work station according to claim 1 or 2, characterized in that head measuring means with a scale supporting displaceable ruler (14) arranged on the surface (1) that can be illuminated by transparency are net. 4. Work station according to claim 2 or 3, characterized in that it also has means (15, 16) for electronic Includes welding on the top (13) of the named th housing are attached. 5. Work station according to one of claims 2 to 4, characterized in that it has one on top of the Housing attached gas welding torch (17) includes. 6. Work station according to one of claims 2 to 5, characterized in that the above the two electrical Connections (4, 4 ") which are each set up to receive one end of an arc (A), horizontal opening is provided with a closure plate (19) which ^ Q is advantageously insulating and pierced by a hole (20, 21) above each of the two connections (4, 4 ¹ ), at least one of these holes (21) being stretched in a direction which goes through the other hole (20) , and that a lid (22) with a hinge is provided, ₁ - which can be folded down onto the locking plate (19). 7. Work station according to claim 6, characterized in that said electrical connections (4, 4 ¹ ) are each formed by an upwardly open shell (4, 4 ¹ ), which contains mercury. 8. Work station according to one of the preceding claims, characterized in that the projector (2) for projecting of models of curved arcs comprises a diopter projection system (24) which is displaceable along its optical axis is such that a variable projection ratio with automatic focus is obtained. 9. Work station according to claim 8, characterized in that 30 that the optical axis (0) of the model projector (2) is parallel to the surface of the top (13) of the housing and meets a mirror (25) at 45 ° which is arranged under the projection screen (3), and that the control of the movements of the rear sight system through a 35 Knurled wheel (26) is ensured, part of which crosses the top (13) of the housing (8). 10. Work station according to one of the preceding claims, characterized in that it also has at least one Comprises tool carrier (31) which is arranged on the top (13) of the housing (8), and a carrier (33) for clasp wires included. 11. Work station according to one of the preceding claims, characterized in that it has an electromagnetic grid (35) and one under the examination screen (1) , Q comprises electromagnetic stylus (36), which over a Head survey radiography placed on the grid (35) is, can be moved and is connected to a screen (37), which in turn is connected to a computer (38) is connected, in which a certain number of head measurement data are stored and which is suitable, in order to reproduce the corrected head profile of the patient on the screen (37).