A tool for measuring the circumference of the uvula in the mouth
A perimeter measurement and uvula technology, applied in the field of medical devices, can solve problems such as measurement difficulties, and achieve the effects of convenient use, simple structure and accurate measurement
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Embodiment 1
[0025] Such as figure 1 , 2 As shown, the present embodiment provides a tool for measuring the circumference of the uvula in the mouth, including a main rod 1, a soft ruler 2, and a sliding scale 3. An axial passage is arranged in the main rod 1, and a section of sliding rod 6 is slidably arranged in the axial passage. The rear end side of the rod 1 is provided with a slideway 11 and the scale lines distributed axially from the rear to the front. The slide mark 3 can be slidably installed in the slideway 11. The front end of the soft ruler 2 is connected with the front end of the main rod 1. The rear end of the soft ruler 2 The end penetrates the main rod 1 from the axial passage and is connected with the front end of the sliding rod 6, and the other end of the sliding rod 6 is connected with the sliding mark 3; Fixed connection, the rear end edge of the sliding sleeve 4 is the scale marking line, when the sliding sleeve 4 drives the sliding mark 3 to slide backward until the...
Embodiment 2
[0030] In the uvula circumference measurement tool in embodiment 1, when the soft ruler 2 is too soft, all of it is received in the main rod 1, which may cause the soft ruler 2 to be unable to be released when it is used next time. In order to solve this problem, this embodiment improves its structure, Such as Figure 4 As shown, the scale line is translated 1 cm backward along the main rod 1 relative to the slideway 11, and the corresponding scale indication at the rear end edge of the slideway 11 is the initial scale. When the sliding sleeve 4 drives the sliding mark 3 to slide backward to the scale When the marking line corresponds to the initial scale, the front end of the soft ruler 2 will form a small trap with the same perimeter as the initial scale outside the main rod 1; the zero scale of the scale line exceeds the rear end of the slideway 11, and the sliding sleeve 4 and When the slider 3 slides to the rear end of the slideway 11, a part of the soft ruler 2 is expose...
Embodiment 3
[0032] This embodiment also improves the problem that the soft ruler 2 is too soft to push out, such as Figure 5 , 6 As shown, an L-shaped support block 7 is arranged at the front end of the main rod 1, and one end of the support block 7 is rotatably connected to the front end of the main rod 1. After the measurement is completed, the support block 7 is transferred to the ring formed by the soft ruler 2 , and then slide the slider 3 backwards, the front end of the tape 2 is tightened on the support block 7, and the doctor pulls the tape 2 from the support block 7 to assist in pushing out the tape 2 during the next measurement.
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