Security device comprising a stop member for drilling instrument used in particular in dental surgery and device pre-calibration and storing depth
A safety device, drilling depth technology, applied in dental drilling, drilling/drilling equipment, dental tools, etc., can solve the problem of components without pre-calibration and storage of drilling depth
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[0041] A drilling instrument 10, here is a drilling instrument specially used in dental surgery (see Figure 1). On the one hand, it has a sharp edge along the length of the commonly used spiral sharp edge (to the right, not shown in the figure) The part or the blade part 11 (that is, the working part) and the slot 14 commonly used in this drilling instrument, on the other hand, also has a chuck (or manual part) that can be inserted into a not shown The rotating rod 12 of the drilling instrument. Normally, this rotation is to the right in the direction (rod-working part) (see arrow R in Fig. 1), and the direction of the blade of the working part also has this same direction. At the front, the rod 12 has a threaded part at a predetermined distance D so as to expose the usual drilling depth through the stopper 20 (see the following figure). The direction of the screw 15 is opposite to the rotation direction R. According to the embodiment shown, the screw faces left. It is better to c...
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