CN-121995615-A - Oral microscope and control method thereof

CN121995615ACN 121995615 ACN121995615 ACN 121995615ACN-121995615-A

Abstract

The invention relates to the technical field of microscopes, in particular to an oral microscope and a control method thereof, which are used for determining an initial angle and initial brightness of the microscope according to a target observation position and an oral opening degree, adjusting the microscope according to the initial angle and the initial brightness, determining oral display data according to an oral observation area image, according to the deviation condition of the oral cavity display data, the microscope is adjusted, the oral cavity opening degree is obtained every preset time, the opening degree fluctuation value is calculated, and the microscope brightness is adjusted.

Inventors

Ye riyang
ZHANG WEIBIN
Han Zhulan

Assignees

佛山市科钜医疗器械有限公司

Dates

Publication Date: 20260508
Application Date: 20260323

Claims (10)

1. A method of controlling an oral microscope, comprising: Step S1, determining an initial angle and initial brightness of a microscope according to a target observation position and an oral cavity opening degree; Step S2, adjusting a microscope according to the initial angle and the initial brightness, and determining oral cavity display data according to an oral cavity observation area image; the oral cavity display data comprise target observation position key feature point pixel coordinates, central illuminance of an observation area and edge illuminance of the observation area; Step S3, performing microscope adjustment according to deviation conditions of oral cavity display data, obtaining included angle degrees of all groups of rotating arm assemblies in the microscope, determining an angle adjustment scheme according to rotating arm adjustment priority and the included angle degrees of all groups of rotating arm assemblies, and adjusting the brightness of the microscope; Each group of rotating arm assemblies are connected by two rotating arms through a steering shaft, and the degree of the included angle is the included angle between the two rotating arms connected by the same steering shaft; And S4, acquiring the mouth opening degree every preset time, calculating an opening degree fluctuation value, and adjusting the brightness of the microscope.
2. The method according to claim 1, wherein the step S1 of determining the initial angle and the initial brightness of the microscope based on the target observation position and the oral cavity opening degree comprises, Obtaining a target observation position, wherein the target observation position comprises a maxillary anterior tooth position, a maxillary left posterior tooth position, a maxillary right posterior tooth position, a mandibular anterior tooth position, a mandibular left posterior tooth position and a mandibular right posterior tooth position; acquiring an oral cavity image, and acquiring an oral cavity opening degree through image analysis, wherein the oral cavity opening degree is the vertical distance between incisor edges in the upper and lower jaws; Pre-storing a correlation database of preset microscope angles and preset microscope brightness corresponding to each target observation position and each oral cavity opening degree; And matching a corresponding preset microscope angle and preset microscope brightness in the associated database according to the obtained target observation position and the oral cavity opening degree, and taking the corresponding preset microscope angle and preset microscope brightness as the initial angle and initial brightness.
3. The method according to claim 1, wherein in the step S3, microscope adjustment is performed according to deviation of the oral display data, wherein the oral display data is compared with preset standard oral data to obtain an oral display data deviation amount; And if the deviation amount of the oral cavity display data is larger than the preset deviation amount, adjusting the microscope.
4. The method according to claim 1, wherein in the step S3, the boom adjustment priority is decreased according to an increase in the distance from the boom to the scope.
5. The method according to claim 1, wherein the step S3 of determining the angle adjustment scheme based on the boom adjustment priority in combination with the degrees of included angles of the boom assemblies comprises, Sequentially obtaining the included angle degrees of all groups of rotating arm assemblies according to the rotating arm adjusting priority; Comparing the included angle degrees of the rotating arm assemblies with the preset included angle degrees until the included angle degrees of the rotating arm assemblies are smaller than the preset included angle degrees; acquiring the rotating arm adjusting priority with high adjusting priority in the rotating arm assembly; adjusting the rotating arm meeting the adjusting conditions; The adjusting condition is that the adjusting priority of the rotating arm is larger than or equal to the adjusting priority of the rotating arm with large adjusting priority in the rotating arm assembly.
6. The method according to claim 1, wherein in the step S4, a plurality of values of the mouth opening degree are obtained, and the fluctuation value of the mouth opening degree is calculated according to a standard deviation formula.
7. The method according to claim 6, wherein in the step S4, if the opening degree fluctuation value is greater than a preset fluctuation value, the microscope brightness is adjusted.
8. The method according to claim 7, wherein in the step S4, the brightness of the microscope is adjusted according to the fluctuation value of the opening degree, wherein the fluctuation value of the opening degree and the brightness adjustment amount of the microscope are in positive correlation.
9. The method according to claim 1, wherein in the step S2, the process of acquiring the oral display data includes, Selecting tooth characteristic points corresponding to the target observation positions, including crown vertexes and root orifice center points, and extracting pixel coordinates of each tooth characteristic point in an oral cavity observation area image through image analysis; Extracting an average brightness value of a central region of an image of an oral cavity observation region, and taking the average brightness value as central illuminance of the observation region; And extracting a plurality of sampling points outside the central area of the image of the oral observation area, and calculating the brightness average value of each sampling point to serve as the edge illumination of the observation area.
10. An oral microscope for use in the control method of an oral microscope according to any one of claims 1 to 9, comprising a connector, an operating handle, a lens and a grip handle.

Description

Oral microscope and control method thereof Technical Field The invention relates to the technical field of microscopes, in particular to an oral microscope and a control method thereof. Background By virtue of the precise amplifying imaging capability, the microscope can help an operator to break through the limitation of naked eye observation, and the microscope is widely applied to the field of oral cavities. For example, CN120370531A discloses a microscope and a control method of an electron microscope system, wherein the microscope comprises a base, a lens bracket and a lens, wherein at least 2 carrier mounting holes are fixedly arranged on the base, and the distances between the at least two carrier mounting holes and the lens bracket are different and are used for mounting carriers with different specifications so as to enable the carriers to be perpendicular to the optical axis of the lens. In the embodiment of the application, at least 2 carrier mounting holes are fixedly arranged on the base of the microscope, and the distances between different carrier mounting holes and the lens bracket are different, so that the quick mounting of carriers with different specifications can be convenient, in addition, because the position of the mounting hole of the carrier is fixed, the carrier can be directly mounted in the mounting hole of the matched carrier according to the specification of the carrier, so that the lens optical axis pair is perpendicular to the carrier without multiple calibration, the use efficiency of the microscope is improved, and the whole time consumption is saved. However, in the field of oral microscopes, there are problems in the prior art, The problems of high and low observation brightness and blurred vision, thereby affecting the using effect of the microscope and the operation precision and safety. Disclosure of Invention Therefore, the invention provides an oral microscope and a control method thereof, which are used for solving the problems that in the prior art, the observation brightness is suddenly high and suddenly low, the field of view is fuzzy, the using effect of the microscope is further affected, and the operation precision and the safety are affected. To achieve the above object, in a first aspect, the present invention provides an oral microscope control method, comprising: Step S1, determining an initial angle and initial brightness of a microscope according to a target observation position and an oral cavity opening degree; Step S2, adjusting a microscope according to the initial angle and the initial brightness, and determining oral cavity display data according to an oral cavity observation area image; the oral cavity display data comprise target observation position key feature point pixel coordinates, central illuminance of an observation area and edge illuminance of the observation area; Step S3, performing microscope adjustment according to deviation conditions of oral cavity display data, obtaining included angle degrees of all groups of rotating arm assemblies in the microscope, determining an angle adjustment scheme according to rotating arm adjustment priority and the included angle degrees of all groups of rotating arm assemblies, and adjusting the brightness of the microscope; Each group of rotating arm assemblies are connected by two rotating arms through a steering shaft, and the degree of the included angle is the included angle between the two rotating arms connected by the same steering shaft; And S4, acquiring the mouth opening degree every preset time, calculating an opening degree fluctuation value, and adjusting the brightness of the microscope. Further, in the step S1, the process of determining the initial angle and the initial brightness of the microscope according to the target observation position and the mouth opening degree includes, Obtaining a target observation position, wherein the target observation position comprises a maxillary anterior tooth position, a maxillary left posterior tooth position, a maxillary right posterior tooth position, a mandibular anterior tooth position, a mandibular left posterior tooth position and a mandibular right posterior tooth position; acquiring an oral cavity image, and acquiring an oral cavity opening degree through image analysis, wherein the oral cavity opening degree is the vertical distance between incisor edges in the upper and lower jaws; Pre-storing a correlation database of preset microscope angles and preset microscope brightness corresponding to each target observation position and each oral cavity opening degree; And matching a corresponding preset microscope angle and preset microscope brightness in the associated database according to the obtained target observation position and the oral cavity opening degree, and taking the corresponding preset microscope angle and preset microscope brightness as the initial angle and initial brightness. Further, in the step S3, microscope adjustment