阅读说明：本技术 全自动角膜地形图采集设备 (Full-automatic cornea topography collection equipment ) 是由 朱永林 于 2020-09-28 设计创作，主要内容包括：本发明涉及一种全自动角膜地形图采集设备,包括设备本体、底座、头架、显示屏和移动操作面板,设备本体底部连接底座,移动操作面板安装在底座上,头架位于设备本体的正面,显示屏安装于设备本体的背面,设备本体内安装采集模块,采集模块包括感应镜头、Placido盘、光源组件、镜头模组和CMOS相机,CMOS相机与角膜图像处理系统通信,角膜图像处理系统与显示屏通信,设备本体内设置定位移动组件,定位移动组件连接采集模块。本发明通过设置定位移动组件和CMOS相机配合实现全自动拍摄角膜图像,不需要像传统的角膜地形图一样进行手动拍摄,节省时间,提高效率,保证了图片的清晰度,有利于图像分析与诊断的准确性。(The invention relates to a full-automatic corneal topography acquisition device which comprises a device body, a base, a headstock, a display screen and a mobile operation panel, wherein the bottom of the device body is connected with the base, the mobile operation panel is arranged on the base, the headstock is positioned on the front side of the device body, the display screen is arranged on the back side of the device body, an acquisition module is arranged in the device body, the acquisition module comprises an induction lens, a Placido disc, a light source assembly, a lens module and a CMOS camera, the CMOS camera is communicated with a corneal image processing system, the corneal image processing system is communicated with the display screen, a positioning mobile assembly is arranged in the device body, and the positioning mobile assembly is connected with the acquisition module. The invention realizes full-automatic shooting of the cornea image by arranging the positioning moving assembly and matching the CMOS camera, does not need to carry out manual shooting like the traditional cornea topographic map, saves time, improves efficiency, ensures the definition of the image, and is beneficial to the accuracy of image analysis and diagnosis.)

1. The utility model provides a full-automatic corneal topography collection equipment, its characterized in that, includes equipment body, base, headstock, display screen and removal operating panel, the base is connected to equipment body bottom, it installs on the base to remove operating panel, headstock and equipment body are just being located the front of equipment body to setting up and headstock, the display screen is installed in the back of equipment body, this internal installation collection module of equipment, collection module includes induction lens, Placido dish, light source subassembly, camera lens module and CMOS camera, CMOS camera and cornea image processing system communication, cornea image processing system and display screen communication, this internal location removal subassembly that sets up of equipment, location removal subassembly is connected collection module for the drive collection module removes.

2. The apparatus according to claim 1, wherein the positioning and moving assembly comprises an up-down driving mechanism, a front-back driving mechanism and a left-right driving mechanism, and the three driving mechanisms jointly control the movement and positioning of the acquisition module.

3. A fully automatic corneal topography acquiring apparatus according to claim 1 wherein said head is mounted at its base with a head lifting motor.

4. The full-automatic corneal topography collecting device according to claim 3, wherein a control main board is installed in the base, the mobile operation panel is electrically connected with the control main board, the control main board is communicated with the positioning moving assembly, the headstock lifting motor and the induction lens, the induction lens induces the position of the eye cornea, and the positioning moving assembly is started through the control main board.

5. The apparatus according to claim 1, wherein the lens module comprises an objective lens, a photographing lens, a half mirror and an illumination system, the objective lens is a core optical system, the photographing lens is used for imaging a target surface of the CMOS camera, and the half mirror is used for making an illumination light path and an imaging light path coaxial.

Technical Field

The invention relates to the field of corneal topography acquisition equipment, in particular to full-automatic corneal topography acquisition equipment.

Background

Computer-aided corneal topography featuring the ability to accurately analyze changes in morphology and curvature across the corneal surface, makes it possible to systematically, objectively, and accurately analyze corneal topography. The cornea map instrument is composed of 3 parts: the system comprises a Placido disc projection system, a real-time image monitoring system and a computer image processing system.

The corneal topography is clinically applied to diagnosis of corneal astigmatism, corneal characteristics are quantitatively analyzed, corneal flexion is displayed by data or different colors, and the difference of two-axis flexion is the corneal astigmatism. The cornea deflection is diagnosed to be abnormal, the cornea topography is discovered, the early diagnosis of the sub-clinical keratoconus and the keratoconus becomes possible, and the accuracy of the keratoconus diagnosis is up to 96%. In addition, the method can be used for diagnosing corneal distortion induced by a corneal contact lens.

Because the corneal topography belongs to professional medical instrument, only need professional personnel manual operation to unscrambling the image of gathering, only obtain enough clear corneal topography and just can obtain accurate diagnostic data, so ordinary people can't normally use, consequently can't popularize this equipment to villages and towns hospital, let more crowds benefit. Most of the existing fundus cameras manually acquire fundus images, so that time is consumed, and the clarity of pictures cannot be guaranteed.

Disclosure of Invention

The invention aims to provide full-automatic corneal topography acquisition equipment, which is used for solving the problems that time is consumed and images are not clear when an eye fundus camera acquires eye fundus images manually in the prior art.

The invention provides full-automatic corneal topography acquisition equipment which comprises an equipment body, a base, a headstock, a display screen and a mobile operation panel, wherein the bottom of the equipment body is connected with the base, the mobile operation panel is installed on the base, the headstock and the equipment body are arranged in a positive mode, the headstock is located on the front side of the equipment body, the display screen is installed on the back side of the equipment body, an acquisition module is installed in the equipment body, the acquisition module comprises an induction lens, a Placido plate, a light source assembly, a lens module and a CMOS camera, the CMOS camera is communicated with a corneal image processing system, the corneal image processing system is communicated with the display screen, a positioning moving assembly is arranged in the equipment body, and the positioning moving assembly is connected with the acquisition module and used for driving the acquisition module to move.

Furthermore, the positioning and moving assembly comprises an upper driving mechanism, a lower driving mechanism, a front driving mechanism, a rear driving mechanism and a left driving mechanism and a right driving mechanism, and the three groups of driving mechanisms control the movement and positioning of the acquisition module together.

Furthermore, a headstock lifting motor is mounted at the bottom of the headstock.

Furthermore, a control main board is installed in the base, the mobile operation panel is electrically connected with the control main board, the control main board is communicated with the positioning and moving assembly, the headstock lifting motor and the induction lens, the induction lens induces the position of the cornea of the eyes, and the positioning and moving assembly is started through the control main board.

Further, the lens module comprises an objective lens, a photographic lens, a semi-transparent semi-reflecting mirror and an illuminating system, wherein the objective lens is a core optical system, the photographic lens is used for imaging a target surface of the CMOS camera, and the semi-transparent semi-reflecting mirror is used for enabling an illuminating light path and an imaging light path to be coaxial.

The technical scheme of the invention has the beneficial effects that:

according to the invention, the positioning moving assembly is arranged to be matched with the CMOS camera to realize full-automatic shooting of the cornea image, manual shooting is not required like the traditional cornea topographic map, time is saved, efficiency is improved, the definition of the image is ensured, and the accuracy of image analysis and diagnosis is facilitated;

the cornea image is accurately converted into the corneal topography map at a high speed by the cornea image processing system and is directly displayed on a display screen without being analyzed by professional staff, so that the efficiency is high;

this product need not the professional and operates, and ordinary person also can operate, and all operations are realized through removing operating panel, and is simple convenient, is of value to the popularization in rural hospital and remote area.

Drawings

FIG. 1 is a front view of an acquisition system of the present invention;

FIG. 2 is a left side view of the acquisition system of the present invention;

FIG. 3 is a rear view of the acquisition system of the present invention;

FIG. 4 is a diagram of the internal structure of the acquisition system of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-equipment body, 2-base, 3-headstock, 4-display screen, 5-mobile operation panel, 6-induction lens, 7-Placido plate, 8-light source component, 9-lens module, 10-CMOS camera, 11-up and down driving mechanism, 12-front and back driving mechanism, 13-left and right driving mechanism, 14-headstock lifting motor and 15-control main board.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

As shown in fig. 1-4, the present invention provides a full-automatic corneal topography collecting apparatus, which includes an apparatus body 1, a base 2, a head frame 3, a display screen 4 and a mobile operation panel 5, wherein the base 2 is connected to the bottom of the apparatus body 1, the mobile operation panel 5 is installed on the base 2, the head frame 3 and the apparatus body 1 are disposed opposite to each other, the head frame 3 is located on the front surface of the apparatus body 1, the display screen 4 is installed on the back surface of the apparatus body 1, an collecting module is installed in the apparatus body 1, the collecting module includes an induction lens 6, a Placido disc 7, a light source assembly 8, a lens module 9 and a CMOS camera 10, the CMOS camera 10 is in communication with a corneal image processing system, the corneal image processing system is in communication with the display screen 4, a positioning moving assembly is disposed in the apparatus body 1, and the positioning moving assembly is connected to the, used for driving the collection module to move.

The positioning and moving assembly comprises an upper driving mechanism 11, a lower driving mechanism 11, a front driving mechanism 12, a rear driving mechanism 12 and a left driving mechanism 13, the three driving mechanisms jointly control the movement and the positioning of the acquisition module, a control main board 15 is installed in the base 2, the mobile operation panel 5 is electrically connected with the control main board 15, the control main board 15 is communicated with the positioning and moving assembly, the headstock lifting motor 14 and the induction lens 6, the induction lens 6 induces the position of the cornea of the eyes, and the positioning and moving assembly is started through the control main board 15.

The lens module 9 includes an objective lens, a photographing lens, a half-transmitting and half-reflecting lens and an illumination system, the objective lens is a core optical system, the photographing lens is used for imaging to a target surface of the CMOS camera 10, and the half-transmitting and half-reflecting lens is used for enabling an illumination light path and an imaging light path to be coaxial.

The work flow of the cornea topography acquisition equipment of the invention is as follows: after the device is started, the position of the cornea of the eye is sensed through the sensing lens 6, the positioning and moving assembly is driven by the control main board, the upper and lower driving mechanism 11, the front and rear driving mechanism 12 and the left and right driving mechanism 13 move the acquisition module to a specified position, the centers of the cornea of the left and right eyes are sequentially positioned in the middle of the Placido disc 7, the light source assembly 8 irradiates the Placido disc 7 to form an image on the cornea, the photographing lens images a target surface of the CMOS camera 10, the CMOS camera 10 receives the cornea image and transmits the cornea image to the cornea image processing system for communication, the image information is analyzed through the cornea image processing system and is converted into digital information to reconstruct the surface shape of the original cornea, the obtained cornea shape obtains a color graph through color coding, and the color graph is displayed through the display screen after the cornea topographic graph.

The head frame 3 is provided with a head frame lifting motor 14 at the bottom, and the head frame lifting motor 14 drives the head frame 3 to move up and down.

In conclusion, the full-automatic cornea image shooting is realized by arranging the positioning moving assembly and matching the CMOS camera, manual shooting is not needed like the traditional cornea topographic map, the time is saved, the efficiency is improved, the definition of the image is ensured, and the accuracy of image analysis and diagnosis is facilitated; the cornea image is accurately converted into the corneal topography map at a high speed by the cornea image processing system and is directly displayed on a display screen without being analyzed by professional staff, so that the efficiency is high; this product need not the professional and operates, and ordinary person also can operate, and all operations are realized through removing operating panel, and is simple convenient, is of value to the popularization in rural hospital and remote area.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.