Protective oral cavity opening device for oral cavity restoration
A technology of oral restoration and speculum, which is applied in the field of medical devices, can solve the problems of poor comfort, small range of use, and inability to adjust the degree of opening and closing of itself, achieving the effect of gentle force and increasing the range of use
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[0023] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0024] Such as Figure 1-5As shown, a protective oral retractor for oral restoration includes a support rod 1, the bottom of the support rod 1 is fixedly connected with a first crossbeam 2, and the left and right sides of the top of the first crossbeam 2 are symmetrically fixedly connected with a lifting block 3, and the lifting block The bottom of 3 is provided with a lifting groove 4, the side wall of the lifting groove 4 away from the longitudinal axis of symmetry of the first beam 2 is fixedly connected with a fixed gear plate 5, and the inner wall of the lifting groove 4 is far away from the middle of the side of the longitudinal axis of symmetry of the first beam 2 A servo motor 6 is fixedly installed, and the back side of the servo motor 6 ...
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