Micro-instrument
a micro-instrument and micro-scopy technology, applied in the field of micro-instruments, can solve the problems of high strength and toughness of advanced metal alloys that cannot overcome the problem of high force and/or force reduction, and achieve the effects of reducing the cross-sectional dimensions of the tip, reducing the risk of breakage, and improving the accuracy of measurement results
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The side view / top view assembly drawings of FIGS. 1-2 (and ancillary views FIGS. 1A, 1B, 2A, 2B and 2C including sections and views taken as indicated at A--A in FIG. 2 for FIG. 1, B--B for FIG. 2C, View C in FIG. 1 for FIG. 1a, D--D and E--E of FIG. A for FIGS. 1B and 2A and F--F of FIG. 1A for FIG. 2B) show an endoscopic punch of a type used in TMJ surgical procedures. The punch has an elongated probe 8 (FIG. 2) with an outer tip 12 of U-shape form with an end 14 and sidewalls 16 and 18 with upper and lower cutting edges 16E and 18E (FIG. 1) and an integral pivot 20 of essentially hourglass form integrally formed with and bridging the walls 16 and 18. An inner tip 22 is mounted on the pivot for rotation as indicated by the double arrow shown in FIG. 1 between an open position (FIG. 1) and a closed position nested within the outer tip. A channel or slot 24 of the inner tip seats on the integral pivot of the outer tip. The channel is shaped with a negative hourglass at its base to c...
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