Portable fundus imaging device

By incorporating a processor and electrical connector within the base of the portable fundus imaging device, the problem of portable fundus cameras being unable to process images locally is solved, enabling stable data transmission and analysis in environments without a network, thus enhancing the device's portability and security.

CN224099338UActive Publication Date: 2026-04-10WEIZHI MEDICAL TECH (FOSHAN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WEIZHI MEDICAL TECH (FOSHAN) CO LTD
Filing Date
2025-04-16
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Portable fundus cameras, due to size limitations, cannot integrate hardware with sufficient computing power, resulting in the inability to perform artificial intelligence inference in environments without network connectivity or with poor signal, and also posing a risk of data leakage.

Method used

A processor is installed inside the base of the portable fundus imaging device, which connects to the camera via an electrical connector to achieve local image processing. A high-performance NPU chip is used for data analysis, and magnetic adsorption and a secure connection ensure the stability of data transmission.

Benefits of technology

It enables local processing of fundus images in environments without network connectivity, avoiding the risk of data leakage and enhancing the portability of the device and the reliability of data transmission.

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Abstract

The utility model discloses a portable fundus imaging device, which comprises a base, a camera and a processor, and is characterized in that the base is provided with an accommodating groove, a first electric connector and a mounting cavity; the camera is provided with a connecting base and a second electric connector, and the connecting base is used for being inserted into the containing groove so that the second electric connector can be electrically connected with the first electric connector; the processor is installed in the installation cavity and electrically connected with the first electric connector. According to the portable fundus imaging device, image data transmitted by the camera can be processed through the processor in the mounting cavity of the base, networking is not needed, use hindrance caused by no network connection or poor signals is avoided, and meanwhile the problem of image data leakage is also avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical imaging technical field especially, relate to a kind of portable fundus imaging device. BACKGROUND

[0002] As the key equipment for obtaining fundus images, fundus cameras can clearly record the morphology and pathological changes of the retina, blood vessels and other tissues in the fundus. By analyzing fundus photographs, doctors can detect various fundus diseases such as diabetic retinopathy, glaucoma, and macular lesions.

[0003] Existing portable fundus cameras are small in size and easy to carry, and can be conveniently used in various scenes. However, due to the size limitation of portable fundus cameras, the internal space is insufficient to accommodate hardware with sufficient computing power to support artificial intelligence reasoning. Currently, the method of transmitting the collected fundus images to the server through the network is usually adopted to utilize the powerful computing power of the server for artificial intelligence reasoning.

[0004] In some remote areas, field work environments or places with imperfect network infrastructure, there may be no network connection or poor signal, which results in the inability to timely transmit image data to the server for analysis, making the device unable to function properly. In addition, there is a risk of patient data leakage during network transmission. SUMMARY

[0005] To overcome at least one of the above-mentioned deficiencies of the prior art, the utility model provides a kind of portable fundus imaging device, which can process the fundus images collected by the camera locally by setting the base and the processor in the base, without networking.

[0006] The technical scheme adopted by the utility model to solve the problem is:

[0007] A kind of portable fundus imaging device, comprising,

[0008] The base is provided with a receiving groove, a first electrical connector and a mounting cavity;

[0009] The camera is provided with a connecting seat and a second electrical connector, the connecting seat is used for plug-in mounting to the receiving groove, so that the second electrical connector is electrically connected with the first electrical connector;

[0010] The processor is installed in the mounting cavity, and the processor is electrically connected with the first electrical connector.

[0011] Further, the first electrical connector is arranged at the bottom of the accommodating groove, and the second electrical connector is arranged at the bottom of the connecting seat, and the first electrical connector is used for plugging and conducting with the second electrical connector when the connecting seat is inserted into the accommodating groove.

[0012] Further, the accommodating groove is provided with a first magnetic member, and the connecting seat is provided with a second magnetic member, and the second magnetic member is used for magnetically adsorbing the first magnetic member when the connecting seat is inserted into the accommodating groove.

[0013] Further, the mounting cavity is provided with a circuit board, and the processor and the first electrical connector are both mounted on the circuit board to realize electrical conduction.

[0014] Further, the circuit board is provided with a storage module, and the storage module is used for receiving and storing images of the camera.

[0015] Further, the mounting cavity is provided with a battery, and the battery is used for providing electric energy for the circuit board and the processor.

[0016] Further, the mounting cavity is further provided with a first heat dissipation member, and the circuit board is arranged on a heat dissipation path of the first heat dissipation member.

[0017] Further, the housing of the base is further provided with a ventilation opening, and the ventilation opening penetrates to the mounting cavity.

[0018] Further, the processor is provided with a second heat dissipation member.

[0019] Further, the processor comprises an NPU chip, and the NPU chip is used for processing the images.

[0020] In summary, the portable fundus imaging device has the following technical effects:

[0021] The portable fundus imaging device, the base and the connecting seat of the camera are electrically connected through the second electrical connector and the first electrical connector to establish an electrical connection channel, the processor in the mounting cavity of the base can acquire and process image data transmitted by the camera, without the need of networking, thereby avoiding use hindrance when there is no network connection or signal is not good, and also avoiding image data leakage. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the portable fundus imaging device of the embodiment of the utility model;

[0023] Figure 2 It is an exploded view of the portable fundus imaging device of the embodiment of the utility model;

[0024] Figure 3 A sectional view of the base of the embodiment of the utility model;

[0025] Figure 4 A structure schematic view of the camera of the embodiment of the utility model.

[0026] Among them, the sign meaning is as follows:

[0027] 1, camera; 11, connecting seat; 12, second electric connector; 2, base; 21, containing groove; 22, installation cavity; 23, charging interface; 24, vent; 3, circuit board; 4, battery; 5, first heat dissipation piece; 6, second heat dissipation piece. Specific implementation

[0028] In order to better understand and implement, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model.

[0029] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore it can not be understood as the limitation of the utility model.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model.

[0031] Referring to Figure 1 And Figure 2 The utility model discloses a kind of portable fundus imaging device, it includes base 2, camera 1 and processor.Specifically, base 2 is equipped with containing groove 21, first electric connector and installation cavity 22, camera 1 is equipped with connecting seat 11 and second electric connector 12, wherein, connecting seat 11 is used to be inserted to containing groove 21, so that second electric connector 12 and first electric connector electrically connected.In addition, processor is installed in installation cavity 22, and processor and first electric connector are electrically connected.

[0032] Based on this structure, when using the portable fundus imaging device of this invention, the patient's fundus image can be acquired first through the camera 1, and the camera 1 will store the acquired image. After the photo is taken, the connector 11 of the camera 1 can be inserted into the receiving slot 21 of the base 2, and the second electrical connector 12 on the camera 1 can be electrically connected to the first electrical connector on the base 2.

[0033] Electrically connected to the first electrical connector via the second electrical connector 12, an electrical connection channel is established between the camera 1 and the base 2, enabling data transmission. At this time, the processor within the mounting cavity 22 of the base 2 can acquire and process the image data transmitted from the camera 1.

[0034] Therefore, the portable fundus imaging device of this utility model can process the fundus images captured by the camera locally through the processor built into the base 2, without relying on the network to transmit the data to a remote server. This avoids the obstacles to use when there is no network connection or the signal is poor, and also avoids the risk of image data leakage when connected to the network.

[0035] It should be noted that existing portable fundus cameras are limited by size, making it difficult to integrate high-performance computing hardware inside. However, this invention, by setting up a base 2 and building a processor inside the base 2, provides more space than the camera 1, allowing it to accommodate a processor with sufficient computing power, such as a high-performance NPU chip, without increasing the size of the camera 1.

[0036] The base 2 can also charge the camera 1 via the electrical connection between the second electrical connector 12 and the first electrical connector. Before using the device outdoors, simply ensure that the base 2 has sufficient power to charge the camera 1, eliminating the need to carry an additional charger or search for a charging outlet, thus further enhancing the portability of the device.

[0037] Furthermore, the first electrical connector is located at the bottom of the receiving groove 21, see reference. Figure 4 The second electrical connector 12 is disposed at the bottom of the connector 11, wherein the first electrical connector is used to connect and communicate with the second electrical connector 12 when the connector 11 is inserted into the receiving groove 21.

[0038] Based on this structure, after image acquisition is completed, the connector 11 of camera 1 can be aligned with the receiving groove 21 of base 2 for insertion. During the insertion process, since the first electrical connector is located at the bottom of the receiving groove 21 and the second electrical connector 12 is located at the bottom of the connector 11, as the connector 11 is gradually inserted into the receiving groove 21, the second electrical connector 12 will gradually approach the first electrical connector.

[0039] When the connecting seat 11 is fully inserted into the accommodating groove 21, the first electrical connector and the second electrical connector 12 are implemented to be plugged and conducted, thereby establishing an electrical connection channel between the camera 1 and the base 2. At this time, the fundus image data stored in the camera 1 can be transmitted to the processor in the base 2 through the electrical connection channel.

[0040] Therefore, by arranging the first electrical connector at the bottom of the accommodating groove 21 and the second electrical connector 12 at the bottom of the connecting seat 11, the two connectors can be docked when the connecting seat 11 is inserted into the accommodating groove 21. The bottom docking mode can avoid the loosening of the connectors caused by external force impact, shaking and other factors, thereby ensuring the stability of the electrical connection between the camera 1 and the base 2 and guaranteeing the reliability of data transmission.

[0041] The first electrical connector and the second electrical connector 12 can be USB connectors, specifically USB-C interfaces. It should be noted that the first electrical connector and the second electrical connector 12 can also be two contact-conducted conductive sheets, which can specifically adopt a copper alloy material with high conductivity as the main body. Such a copper alloy not only has good conductivity to ensure the rapid and stable transmission of data and current, but also has certain strength and wear resistance, which can effectively prolong the service life of the connector.

[0042] In addition, the connecting seat 11 is in the shape of a cylindrical handle, and the accommodating groove 21 is a corresponding cylindrical groove. The lower end of the connecting seat 11 can be inserted into the accommodating groove 21.

[0043] Further, the accommodating groove 21 is provided with a first magnetic member, and the connecting seat 11 is provided with a second magnetic member, wherein the second magnetic member is used to be magnetically attracted to the first magnetic member when the connecting seat 11 is inserted into the accommodating groove 21.

[0044] On the basis of this structure, when the connecting seat 11 of the camera 1 is aligned with the accommodating groove 21 of the base 2 for insertion, during the approaching process, the first magnetic member and the second magnetic member have magnetism, and when they are close to a certain distance, they will generate mutual attractive magnetic force.

[0045] With the further approaching of the connecting seat 11 to the accommodating groove 21, the magnetic attraction force between the first magnetic member and the second magnetic member gradually increases, and when the connecting seat 11 and the accommodating groove 21 are inserted in place, the connecting seat 11 and the accommodating groove 21 can be tightly fixed together to tightly connect the first electrical connector and the second electrical connector 12.

[0046] The first magnetic member and the second magnetic member can both be permanent magnets, or one of the first magnetic member and the second magnetic member is a magnet, and the other is a metal block, a metal strip or the like made of metal materials such as iron and cobalt.

[0047] Thus, the magnetic attraction force makes the connecting seat 11 tightly fit the accommodating groove 21, further reinforcing the connection between the camera 1 and the base 2. In actual use, the device may be affected by external forces such as vibration and shaking. The additional fixing effect provided by the magnetic attraction can ensure that the first electrical connector and the second electrical connector 12 maintain good contact at all times in these cases, ensuring the continuity and stability of data transmission, avoiding data transmission interruption or loss due to loose connection, thereby affecting the processing of the fundus image.

[0048] Further, referring to Figure 2 and Figure 3 , the circuit board 3 is arranged in the mounting cavity 22, and the processor and the first electrical connector are both mounted on the circuit board 3 to realize electrical conduction.

[0049] In this way, the fundus image data stored in the camera 1 can be transmitted to the circuit board 3 through the first electrical connector, and then the processor on the circuit board 3 acquires and processes the transmitted image data.

[0050] Among them, the processor and the first electrical connector are mounted on the same circuit board 3, realizing direct and efficient electrical conduction between the two. This integrated arrangement can greatly shorten the signal transmission path, reducing signal interference and transmission loss.

[0051] At the same time, the circuit board 3 provides stable physical support for the processor and the first electrical connector, so that they are not easily loose or damaged due to vibration and shaking during use of the device, effectively avoiding the problem of poor contact caused by bumps, ensuring the continuity of data transmission and analysis.

[0052] In addition, the circuit board 3 can integrate other related electronic components such as signal amplification circuits and filter circuits in the prior art, which work together with the processor and the first electrical connector to pre-process the transmitted image data, improve data quality, and thus improve the analysis accuracy of the processor.

[0053] Further, the circuit board 3 is provided with a storage module, and the storage module is used to receive and store the image of the camera 1.

[0054] On the basis of this structure, when the camera 1 completes image capture, the image data is temporarily stored in the cache area of the camera 1. After the collection is completed, the connecting seat 11 of the camera 1 is inserted into the accommodating groove 21 of the base 2, the second electrical connector 12 is plugged and conducted with the first electrical connector, and the camera 1 and the base 2 establish electrical connection. At this time, the image data in the cache area of the camera 1 is transmitted to the circuit board 3 through the electrical connection channel. The storage module on the circuit board 3 receives these image data and stores them.

[0055] When the image analysis is performed, the processor retrieves the stored fundus image data from the storage module and processes the same.

[0056] The storage module can be a micro-SD card in the prior art, and the circuit board 3 is provided with a corresponding card slot. After the micro-SD card is inserted into the card slot, the micro-SD card is electrically connected with the processor.

[0057] In actual application, the speed of image acquisition by the camera 1 and the speed of processing by the processor can not match. The storage module provides a temporary storage space for the image data transmitted by the camera 1, plays a role of data buffering, and avoids data loss or processing confusion caused by the difference in data transmission speed. For example, when the camera 1 rapidly acquires multiple images, the storage module can first store these images in sequence, and wait for the processor to process them in sequence, to ensure smooth data processing flow.

[0058] Further, the mounting cavity 22 is provided with the battery 4, and the battery 4 is used to provide power for the circuit board 3 and the processor.

[0059] Specifically, the battery 4 is connected with the corresponding circuit line on the circuit board 3 through a wire, so as to establish a power transmission path, ensure stable installation and good connection of the battery 4, and ensure stable power transmission.

[0060] Meanwhile, the housing of the base 2 is provided with a corresponding charging interface 23, and the charging interface 23 is electrically connected with the circuit board 3. When charging the battery 4 in the base 2, the charging interface 23 can be connected to an external power source. The power of the external power source enters the battery 4 through a charging circuit. The charging circuit adjusts and controls the input current and voltage to ensure that the battery 4 can be charged at an appropriate rate and in an appropriate manner.

[0061] In addition, the circuit board 3 is also provided with a fast charging module. When in use, a charger supporting fast charging function can be connected to the charging interface 23 of the base 2 through a charging line. The charger converts an alternating power source such as a commercial power into a direct current power suitable for charging the device, and transmits the direct current power to the fast charging module through the charging line. The fast charging module is a fast charging chip in the prior art.

[0062] Further, the mounting cavity 22 is also provided with a first heat dissipation member 5, and the circuit board 3 is arranged on the heat dissipation path of the first heat dissipation member 5.

[0063] Specifically, the first heat dissipation member 5 can be a fan. When the portable fundus imaging device is started, various electronic components on the circuit board 3 begin to work, and heat will be generated as these components operate. The suction force generated by the rotation of the fan will cause air to enter from the air inlet of the mounting cavity 22. During the flow of air, the air passes through the circuit board 3 arranged on the heat dissipation path thereof, and the flowing air exchanges heat with the heated electronic components on the circuit board 3, thereby taking away the heat generated by the components. The hot air after heat exchange will be discharged to the outside of the device from the air outlet of the mounting cavity 22 under the action of the fan.

[0064] Therefore, the fan can control the temperature of the circuit board 3 within a reasonable range through air flow heat dissipation, so as to ensure that the electronic components are always in a good working state and maintain high-performance operation of the device.

[0065] In addition, the first heat dissipation member 5 can also be one or a combination of a heat sink, a heat dissipation plate and a fan.

[0066] Further, the housing of the base 2 is also provided with a ventilation opening 24, and the ventilation opening 24 penetrates to the mounting cavity 22.

[0067] Specifically, the housing of the base 2 is provided with ventilation openings 24 on opposite sides, and the ventilation opening 24 on one side is an air inlet, and the ventilation opening 24 on the other side is an air outlet. The fan can suck cold air from the outside into the mounting cavity 22 through the air inlet on one side, and the cold air exchanges heat with the heated circuit board 3 and electronic components after entering, and becomes hot air after absorbing heat. The hot air is discharged to the outside of the device through the air outlet on the other side under the action of the fan.

[0068] Further, the processor is provided with a second heat dissipation member 6.

[0069] Specifically, the second heat dissipation member 6 can be a layer of silicone grease, which can be applied or attached to the surface of the processor. When the processor is working and generating heat, the heat is conducted from the inside of the processor to the surface thereof, and the silicone grease layer can quickly transfer the heat on the surface of the processor to the heat sink, heat dissipation plate and other structures, and then quickly discharged from the mounting cavity 22 by the fan.

[0070] Further, the processor includes an NPU chip, and the NPU chip is used for processing images.

[0071] The present application uses an NPU chip in the prior art as the processor. Since the NPU chip can perform data processing locally without the need for networking to wait for the server to process data, it can avoid the risk of data leakage that may occur during networking transmission.

[0072] In addition, the side of the base 2 is also provided with a printer connection interface, by connecting the printer with the printer connection interface on the base 2, the report obtained through the processor analysis can be printed on site.

[0073] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above-mentioned embodiment, and also includes the technical scheme composed of any combination of the above technical features. It should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered to be within the protection scope of the utility model.

Claims

1. A portable fundus imaging device, characterized by: The application relates to a camera module. The base is provided with a containing groove, a first electric connector and a mounting cavity. The camera is provided with a connecting seat and a second electric connector, the connecting seat is used for being inserted into the containing groove, and the second electric connector is electrically connected with the first electric connector. The processor is mounted in the mounting cavity and is electrically connected with the first electric connector.

2. The portable fundus imaging device of claim 1, wherein: The first electric connector is arranged at the bottom of the containing groove, the second electric connector is arranged at the bottom of the connecting seat, and the first electric connector is used for being plugged with the second electric connector when the connecting seat is inserted into the containing groove.

3. The portable fundus imaging apparatus according to claim 1 or 2, characterized by: The containing groove is provided with a first magnetic member, the connecting seat is provided with a second magnetic member, and the second magnetic member is used for being magnetically adsorbed with the first magnetic member when the connecting seat is inserted into the containing groove.

4. The portable fundus imaging device of claim 1, wherein: The mounting cavity is provided with a circuit board, the processor and the first electric connector are mounted on the circuit board, and electrical conduction is realized.

5. The portable fundus imaging device of claim 4, wherein: The circuit board is provided with a storage module, the storage module is used for receiving and storing images of the camera.

6. The portable fundus imaging device of claim 4, wherein: The mounting cavity is provided with a battery, and the battery is used for providing electric energy for the circuit board and the processor.

7. The portable fundus imaging device of claim 4, wherein: The mounting cavity is further provided with a first heat dissipation member, and the circuit board is arranged on a heat dissipation path of the first heat dissipation member.

8. The portable fundus imaging device of claim 7, wherein: The shell of the base is further provided with a ventilation opening, and the ventilation opening penetrates into the mounting cavity.

9. The portable fundus imaging apparatus according to claim 1 or 7, characterized by: The processor is provided with a second heat dissipation member.

10. The portable fundus imaging device of claim 5, wherein: The processor comprises an NPU chip, and the NPU chip is used for processing the images.