A kind of medical oral retractor
A technology of spreader and oral cavity, which is applied in the field of medical devices, can solve the problems of fixing the patient's oral cavity properly, biting the doctor and the patient, unfavorable surgical operation, etc., and achieves the effect of simple structure, low production cost and convenient operation
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Embodiment 1
[0020] as attached figure 1 Shown, a kind of medical mouth spreader, it comprises upper support block 1 and lower support block 2, the surface of described upper support block 1 and the bottom surface of lower support block 2 have the arc surface structure that matches with oral cavity, upper support The block and the lower support block are connected by a supporting device.
[0021] as attached figure 1 As shown, the supporting device is composed of two supporting parts on the left and right. The use of two supporting parts is to ensure the stability of the support, and the second is to leave enough space for the operation of the medical staff. The gap can be operated.
[0022] as attached figure 1 As shown, the support portion includes a shaft seat 3 arranged on the surface of the lower support block, a swing rod 4 and a sliding groove 5 horizontally arranged on the upper support block, the top of the swing rod 5 has a wheel shaft 6, and the wheel shaft 6 is fixed with a ...
Embodiment 2
[0031] The oral retractor provided in this embodiment is further improved on the basis of Embodiment 1.
[0032] The sliding grooves of the oral spreader provided in Example 1 are set on the front and rear side surfaces of the upper support block. First, two steps need to be provided on the front and rear side surfaces; 6 through cavity 15 for sliding. As a result, firstly, the processing is complicated, and secondly, the second-level steps provided on the upper support block will cause obstacles to the operation, especially the second-level steps on the rear side of the upper support block will cause discomfort to the patient, and the end of the wheel shaft is located at the second-level The outside of the step surface of the step can sometimes cause damage to the patient's oral cavity. In order to solve this technical problem, this embodiment further improves the arrangement position of the sliding groove.
[0033] as attached Figure 5-7 As shown, in this embodiment, the...
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