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Image splicing implementation structure of dental CBCT

A technology of image mosaic and structure connection, which is applied in structure connection, dental radiology diagnosis, medical science, etc. It can solve the problems of large movement distance of the jaw rest positioning mechanism and the detector touching the patient's shoulder, etc., and achieve the effect of improving comfort

Pending Publication Date: 2020-04-10
合肥登特菲医疗设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The defects of this technology are as follows: because the detector moves independently, although the structure is simple, under the same field of view, due to the existence of the magnification ratio, the moving distance of the detector is larger than that of the jaw rest positioning mechanism. Risk of detector touching patient's shoulder

Method used

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  • Image splicing implementation structure of dental CBCT
  • Image splicing implementation structure of dental CBCT
  • Image splicing implementation structure of dental CBCT

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Such as figure 1 , figure 2 As shown, this embodiment discloses a dental CBCT image mosaic implementation structure, specifically with figure 1 For reference, the orientation includes the base 1, the column lifting mechanism 2, the jaw bracket positioning mechanism 3 and the laser device 4; the bottom of the column lifting mechanism 2 is installed on the base 1 through bolts; the rear end of the jaw bracket positioning mechanism 3 is installed on the column lifting via bolts The middle part of the mechanism 2; the laser device 4 is installed on the upper end of the column lifting mechanism 2 through bolts.

[0042] Such as image 3 As shown, the column lifting mechanism 2 includes a base column 21, a sliding column 22 and a screw lifting assembly 23 guiding mechanism 24; the bottom of the base column 21 is fixed to the middle part of the upper surface of the base 1 by bolts; the sliding column 22 is sleeved on the inside of the base column 21 and Slidingly connected...

Embodiment 2

[0052] Such as Figure 3-5 As shown, the difference between this embodiment and the above-mentioned embodiment is: the column lifting mechanism 2 also includes a guide mechanism 24, and the guide mechanism 24 includes guide rollers 241, fixed plates 242, screws 243, top tight blocks 244, movable guide blocks 245 and fixed Guide block 246; Guide roller 241 is provided with a plurality of, and a plurality of guide rollers 241 are installed in left column 212 and right column 213 inner sides symmetrically by roller axis; 221 rolling fit in its length direction;

[0053] The fixed plate 242 is welded between the two guide rollers 241 inside the left column 212. The central part of the fixed plate 242 is provided with a threaded hole, and the rod portion of the screw 243 is threadedly matched with the threaded hole; Welding and fixing; the middle part of the left side of the movable guide block 245 is provided with a U-shaped chute with a cross-section of "U" shape, the right end ...

Embodiment 3

[0058] Such as Figure 8 As shown, the difference between this embodiment and the above-mentioned embodiment is that: the end of the front side wall of the support plate 321 is equipped with a linear guide rail 3211 through bolts; The middle part is welded and fixed to the front side of the second screw nut 3231; the rear end of the connecting plate 331 is equipped with a slider 3311 through bolts, and the slider 3311 is sleeved on the linear guide rail 3211 and slidably matched with the linear guide rail 3211 in its length direction .

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Abstract

The invention discloses an image splicing implementation structure of dental CBCT. The image splicing implementation structure comprises a base, a stand column lifting mechanism, a jaw support positioning mechanism and a laser device. The stand column lifting mechanism is fixed to the base. The jaw support positioning mechanism and the laser device are both fixed on the stand column lifting mechanism; the stand column lifting mechanism comprises a base column, a sliding column, a lead screw lifting assembly and a drag chain mechanism. The sliding column sleeves the inner side of the base column and is in sliding connection with the inner side of the base column in the length direction; the lead screw lifting assembly is fixed between the sliding column and the base column and used for driving the sliding column to slide up and down on the inner side of the base column. The laser device is fixed on the sliding column; the jaw support positioning mechanism comprises a support, a longitudinal adjusting device and a jaw support positioning device; the jaw support positioning device is fixed to the support through the longitudinal adjusting device, and the longitudinal adjusting deviceis used for adjusting the height of the jaw support positioning device. The image splicing implementation structure has the advantages that the problem that a detector touches the shoulders of the patient can be avoided while a large visual field is achieved through image splicing, and the comfort level of the patient is improved.

Description

technical field [0001] The invention relates to the field of dental X-ray imaging equipment, in particular to a dental CBCT image splicing realization structure. Background technique [0002] At present, the market demands more and more large fields of view to meet the needs of orthodontics. Most of the CBCT equipment is realized by large detectors. Some manufacturers with splicing function realize the splicing of two shots by moving the jaw bracket positioning mechanism as a whole relative to the column mechanism, which leads to the complicated structural design of the column. And the required power source is larger, and the cost is higher. [0003] Chinese patent CN209595766U discloses a CBCT device. The lower positioning device includes a mandibular rest and an occlusal block. Both the mandibular rest and the occlusal block are placed on the lower positioning bracket, and the lower positioning bracket is designed to be movable. There is a movable joint at the position, ...

Claims

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Application Information

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IPC IPC(8): A61B6/14A61B6/03A61B6/04H02K7/06H02K7/10H02K11/21F16M11/04F16M11/18
CPCA61B6/4085A61B6/035A61B6/04H02K7/06H02K7/1004H02K11/21F16M11/04F16M11/18A61B6/51
Inventor 吴涛张建波张鹏尹传祥
Owner 合肥登特菲医疗设备有限公司
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