Self controlled intramedullary bone lengthening device
A technology of bone lengthening and suiting, applied in the field of medical devices, can solve the problems of long treatment period, low operation precision, troublesome operation, etc., and achieve the effect of shortening treatment time, prolonging high precision and facilitating nursing.
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[0030] Please see figure 1 , figure 2 , image 3 , the present invention mainly consists of a left end fixed head 1, a steel washer 2, a left connecting sleeve 3, a motor 4, a motor bracket 5, a copper sleeve 6, a guide key 7, an outer sleeve 8, an inner sleeve 9, a central screw 10, and a steel washer 11. The right fixed head 12 is composed of one end of the left fixed head 1 and the left connecting sleeve 3, and the other end of the left connecting sleeve 3 is tightly connected with the motor bracket 5. The fastened connection can be threaded or interference Cooperate. The motor 4 part is installed in the motor bracket 5, the output shaft of the motor 4 is connected with the central screw rod 10, and the inner sleeve 9 engaged with it is set on the outer sleeve of the central screw rod 10, and the inner sleeve 9 is connected with the motor bracket 5 There is also a copper sleeve 6 between the sliding sleeves. On the one hand, the center screw 10 is positioned, and on th...
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