cervical dilator
A technique of dilator and cervix, applied in the field of dilator, can solve the problems of cervical injury, small cervical opening, inconvenience, etc., and achieve the effect of avoiding cervical injury and good expansion effect.
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[0012] A detailed description will be given below of specific embodiments of the present invention according to the accompanying drawings.
[0013] according to Figure 1 to Figure 2 As shown, the cervical dilator includes an expansion head 1, an expansion frame 2, a connecting rod 3 and handles 4 on both sides connected to each other in sequence, the rear end of the expansion head 1 is connected with the expansion frame 2, the expansion head 1 and the The expansion frame 2 is a circular hollow structure, and the expansion frame 2 includes an upper fan-shaped surface 6, a lower fan-shaped surface 7 and two symmetrical expansion pieces 8, and the upper end of the upper fan-shaped surface 6 is provided with two mutually symmetrical fixed hinge fulcrums 9, The lower end of the upper fan-shaped surface 6 is provided with two mutually symmetrical movable hinge fulcrums 10, the upper end of the lower fan-shaped surface 7 is provided with two mutually symmetrical movable hinge fulcru...
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