A sensitive information sharing system and method

Abstract

The application discloses a sensitive information sharing system and method, and the system comprises an information server, a control terminal, a video acquisition device, a user terminal and a cloud server, the information server is used for storing medical data; the control terminal is used for generating a control instruction, and acquiring a video stream of target medical data on the information server based on the control instruction; the video acquisition device is used for receiving the video stream of the target medical data sent by the control terminal, and forwarding the video stream to the user terminal; and the user terminal is used for receiving the video stream, and sending the video stream to the cloud server. The medical information is sent to the user terminal in the form of a video stream through the video acquisition device, one-way transmission is realized, and the medical information itself is not transmitted, so that the safety of medical information sharing is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of information processing, in particular to a sensitive information sharing system and method. BACKGROUND

[0002] With the development of information technology, the demand for mobile clinical diagnosis and treatment, remote consultation and remote office in the medical industry also presents a huge growth. Therefore, the user terminal is usually installed with a special client software, and with the assistance of cloud service, remote control and cooperation are realized to achieve the purpose of remote access.

[0003] It can be seen that the traditional remote assistance method is mainly realized based on specific software or web browsers, which requires providing external network access service for the assisted computer, and even installing special software on the assisted computer. External network access permission not only makes data leakage possible, but also provides a channel for hacker intrusion. The high permission of the special software itself and the possible vulnerabilities may lead to the assisted computer being controlled by hackers, thereby greatly reducing the security of the assisted computer and causing the leakage of relevant medical information. SUMMARY

[0004] In view of the above problems, the present application provides a sensitive information sharing system and method, which improves the security of remote access to medical data.

[0005] In order to achieve the above purpose, the present application provides the following technical scheme:

[0006] A sensitive information sharing system, comprising: an information server, a control terminal, a video acquisition device, a user terminal and a cloud server, wherein the information server is in communication connection with the control terminal, the control terminal is in communication connection with the video acquisition device, and the video acquisition device is in communication connection with the user terminal;

[0007] The information server is used for storing medical data;

[0008] The control terminal is used for generating a control instruction and acquiring a video stream of target medical data on the information server based on the control instruction;

[0009] The video acquisition device is used for receiving the video stream of target medical data sent by the control terminal and forwarding the video stream to the user terminal;

[0010] The user terminal is used for receiving the video stream and sending the video stream to the cloud server.

[0011] Optionally, the user terminal and the video acquisition device are connected through Bluetooth.

[0012] The video acquisition device is further configured to send a random check code to the user terminal.

[0013] The user terminal is configured to perform Bluetooth pairing connection with the video acquisition device through the random check code.

[0014] Optionally, the information server and the control terminal access a first network respectively, and the user terminal accesses at least a second network, wherein the access authorities of the first network and the second network are different.

[0015] Optionally, the user terminal is further configured to:

[0016] generate a connection request to the cloud server, and send the connection request to the cloud server;

[0017] receive feedback information of the cloud server for the connection request, so as to establish a connection channel with the cloud server based on the feedback information;

[0018] send the video stream to the cloud server based on the connection channel.

[0019] Optionally, the user terminal is further configured to:

[0020] generate link information matched with the video stream;

[0021] send the link information to the cloud server.

[0022] Optionally, the user terminal is further configured to:

[0023] send the link information to a cooperative terminal through a target sending mode.

[0024] Optionally, the video acquisition device comprises:

[0025] an acquisition unit configured to acquire screen display information output by the control terminal and corresponding to the target medical information;

[0026] an encoding unit configured to encode the screen display information to obtain a video stream;

[0027] a sending unit configured to send the video stream to a user terminal.

[0028] Optionally, the cloud server is further configured to:

[0029] perform identity authentication on the user terminal accessing the cloud server, so as to receive a video stream transmitted by a user terminal passing the identity authentication.

[0030] A sensitive information sharing method applied to a user terminal of a sensitive information sharing system, the method comprising:

[0031] generating an acquisition request of target medical data;

[0032] receiving a video stream of the target medical data matched with the acquisition request;

[0033] sending the video stream to a cloud server.

[0034] Optionally, the receiving of the video stream of the target medical data matched with the acquisition request comprises:

[0035] receiving a random check code of a video collection device, the video collection device being a device capable of obtaining the video stream of the target medical data;

[0036] establishing a communication connection with the video collection device based on the random check code;

[0037] receiving the video stream of the target medical data sent by the video collection device.

[0038] Compared with the prior art, the present application provides a sensitive information sharing system and method, which comprises an information server, a control terminal, a video collection device, a user terminal and a cloud server, the information server being used for storing medical data; the control terminal being used for generating a control instruction and acquiring a video stream of target medical data on the information server based on the control instruction; the video collection device being used for receiving the video stream of the target medical data sent by the control terminal and forwarding the video stream to the user terminal; and the user terminal being used for receiving the video stream and sending the video stream to the cloud server. The medical information is sent to the user terminal in the form of a video stream through the video collection device. Since it is one-way transmission and the medical information itself is not transmitted, the security of medical information sharing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of the provided drawings.

[0040] Figure 1 A structural schematic diagram of a sensitive information sharing system provided by the embodiments of the present application;

[0041] Figure 2 A schematic diagram of a medical data application scenario provided by the embodiments of the present application;

[0042] Figure 3 A flowchart of a sensitive information sharing method applied to a user terminal is provided for an embodiment of the present application. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0044] The terms "first" and "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not set to the listed steps or units, but can include steps or units not listed.

[0045] A sensitive information sharing system is provided in an embodiment of the present application, referring to Figure 1 The system includes an information server 101, a control terminal 102, a video acquisition device 103, a user terminal 104 and a cloud server 105.

[0046] The information server 101 refers to a server or data system for storing medical data, wherein the medical data mainly includes case information and medical image information of a medical institution (such as a hospital). The information server 101 can be in communication connection with the control terminal 102. The control terminal 102 is a doctor's personal terminal of a medical information workstation, which can generate a corresponding control instruction. It should be noted that the control instruction refers to an acquisition instruction for the stored information in the information server. After the relevant target medical data is acquired, it is displayed on the display of the control terminal to generate a corresponding video stream. At this time, the video acquisition device 103 will acquire the video stream and forward it to the corresponding user terminal 104, and then the user terminal 104 can upload it to the cloud server 105 (i.e. to the streaming media server) through a wireless network to push the video stream. The user terminal refers to a terminal that needs to acquire medical information for remote sharing or analysis, such as a doctor's mobile terminal participating in remote medical consultation. The video acquisition device is a device capable of transmitting a video stream, such as a video acquisition box.

[0047] In order to ensure the security of medical information, in the present application, medical information is converted into a video stream, and the transmission of medical information is realized through the video stream, thereby avoiding the security problems caused by the transmission of medical information itself. In addition, a secure channel can be established between the user terminal and the cloud server, so that the transmission of the video stream is realized through the secure channel, thereby realizing the remote and secure sharing of medical information.

[0048] In order to further ensure the security of medical information sharing, in the embodiment of the present application, the user terminal and the video acquisition device are connected through Bluetooth, so that only the user terminal within the preset range has the sharing right of the video stream corresponding to the target medical information. Specifically, when the user terminal opens the special application software on the terminal, the user terminal starts to scan the video acquisition device in the vicinity through Bluetooth. At this time, the video acquisition device is also used to send a random check code to the user terminal, that is, the user terminal is matched through the random check code contained in the output of the video acquisition device. In the embodiment of the present application, the picture output to the display by the video acquisition device can have a 6-digit random check code in addition to the picture of the control terminal. The doctor can input the 6-digit check code in the corresponding application of the Bluetooth pairing connection of the user terminal, that is, the video acquisition device can be connected. It should be noted that the video acquisition device can be connected with the display, that is, the video stream collected by the video acquisition device is input to the display for display, and the picture of the control terminal refers to the display picture of the target medical data.

[0049] Since medical institutions often adopt very strict network management methods to limit the connection of office networks in the medical institutions to the Internet in order to ensure the security and reliability of the internal network production environment of the medical institutions. Therefore, in order to facilitate remote access and sharing of medical information, the information server and the control terminal are connected to the first network, and the user terminal is connected to the second network. Since the information server is used to store the medical data of the medical institution, and the control terminal is a terminal capable of calling the medical data of the information server, in order to ensure the security of the data, the information server and the control terminal are connected to the internal network of the medical institution, so that they cannot be accessed or controlled through the external network, and the normal transmission of related data is also ensured. The user terminal can be a mobile terminal of a doctor, and since it needs to transmit data with other terminals or cloud servers, it needs to connect data through the second network, which can be a WiFi network or a mobile data network. It should be noted that if the user terminal is a fixed terminal of a doctor such as a desktop computer, it can connect to the WiFi network or connect to the internal network through a wired manner to access the medical office system. The access rights of the first network and the second network are different, that is, the first network only allows access through the internal network, and the second network can access through the wireless network.

[0050] To further ensure the security of medical information sharing, in the embodiment of the application, the medical data is transmitted to a remote collaboration entity through a secure channel in the form of a video stream. The remote collaboration entity can be a user terminal of another doctor or a cloud server, etc. Therefore, a secure channel needs to be established between the user terminal and the cloud server. At this time, the user terminal is further configured to generate a connection request to the cloud server and send the connection request to the cloud server, receive feedback information of the cloud server for the connection request, so as to establish a connection channel with the cloud server based on the feedback information, and send the video stream to the cloud server based on the connection channel.

[0051] The user terminal can also push stream to the cloud streaming service and obtain a video stream viewing connection. At this time, the user terminal is further configured to:

[0052] generate link information matched with the video stream;

[0053] send the link information to the cloud server.

[0054] In addition to sending the link information for video stream viewing to the cloud server, the user terminal can also send it directly to another user terminal, i.e., a collaboration terminal. When sending to the collaboration terminal, it can be sent through a target sending method, such as instant messaging, email, etc.

[0055] Since the user terminal cannot directly transmit video signals in a wireless network environment, it needs to be encoded. Therefore, the video stream is the video output signal of the control terminal encoded, and the encoding process can be completed on the control terminal or on the video capture device. If it is completed on the video capture device, the video capture device includes:

[0056] a capture unit configured to capture screen display information of the control terminal output for the target medical information;

[0057] an encoding unit configured to encode the screen display information to obtain a video stream;

[0058] a sending unit configured to send the video stream to the user terminal.

[0059] Since the user terminal can push stream to the cloud server, i.e., the user terminal can send the video stream transmitted from the video capture device to the cloud streaming server. To ensure the security of data transmission, the cloud server is further configured to: authenticate the user terminal accessing the cloud server, and receive the video stream transmitted by the user terminal passing the authentication.

[0060] In the sensitive information sharing system provided by the embodiment of the application, only the screen output of the control terminal is collected, the screen sharing is provided to the cooperation party under the supervision of the local doctor, and the medical data itself is not directly transmitted, so that the leakage of medical data can be effectively avoided; there is only one-way data output from the control terminal, and there is no data input, so that the security risks such as virus and hacker intrusion can be fundamentally eliminated; the software environment of the doctor's office equipment is not changed, and the normal operation of the original medical operation system is not affected.

[0061] Referring to Figure 2 , which shows a schematic diagram of an application scenario provided by the embodiment of the application, in the application scenario, the information server mainly includes various medical information systems of the central hospital, such as the PACS (Picture Archiving and Communication Systems) system of the radiology department, the PACS center of the whole hospital, the HIS (Hospital Information System), the LIS (Laboratory Information Management System) and the like. The control terminal is a doctor PC (Personal Computer) end of a workstation; the video acquisition device is a video acquisition box which can be connected with a display; the user terminal is a doctor mobile end; and the cloud server is a streaming media server.

[0062] Specifically, Figure 2 The system architecture of the whole medical cloud platform is shown, which is mainly divided into a central hospital and a medical cloud. The central hospital saves the in-hospital medical data on the information servers, and provides data services for the in-hospital PC workstations, the in-hospital PC workstations are linked to the in-hospital private network (i.e. the hospital intranet) and do not have the access permission of the public network, so as to ensure the data security; the video acquisition box and the doctor local mobile end device collect and forward the video output of the PC workstation, and ensure that the data is not landed while sharing the local screen. The medical cloud provides high-resolution, high-code rate and low-delay streaming media services for the doctor mobile end device through a mobile network dedicated line (such as a 5G network dedicated line), realizes screen sharing cooperation, and after identity authentication, the streaming media service creates an independent connection for the mobile end, and the doctor can realize screen sharing by sharing the connection.

[0063] The doctor in the central hospital accesses the in-hospital information system through the PC workstation to obtain medical data, and outputs the medical data to the local display through the video acquisition box for viewing, and the corresponding remote cooperation process is as follows:

[0064] The local doctor opens the special software on the mobile end, the mobile end starts to scan the acquisition box nearby through Bluetooth, and pairs through the random check code contained in the video output of the acquisition box.

[0065] After pairing, the acquisition box transmits the encoded video data to the doctor mobile terminal through WiFi direct technology.

[0066] The doctor mobile terminal accesses the medical cloud service through an encrypted channel via a wireless network (for example, which can be a 4G or 5G network), and obtains the use right of the streaming media service after identity authentication.

[0067] The doctor mobile terminal pushes the stream to the cloud streaming media service and obtains a video stream viewing link.

[0068] The local doctor shares the obtained link with the cooperating doctor (for example, instant messaging, email, etc. can be used), and the cooperating doctor can watch the video output of the local PC workstation by connecting.

[0069] In a possible implementation, the video acquisition box and the display are connected through HDMI (High Definition Multimedia Interface), the video acquisition box can acquire the interface information of the PC screen of the workstation, then encode through H264 encoding technology, connect with the doctor mobile terminal through Bluetooth, and transmit the encoded video data to the doctor mobile terminal through WiFi Direct technology.

[0070] The embodiment of the application bypasses the screen output signal of the medical office PC, and transmits the medical data (such as cases, images, etc.) to the remote cooperating entity through a secure channel in the form of a video stream, to realize the remote and safe sharing of medical data. The scheme only outputs the screen image, and does not transmit the original data itself. At the same time, in the application, the data is only transmitted in one direction, that is, the PC workstation outputs the video signal to the acquisition box. It needs to be explained that from the perspective of the PC workstation, the acquisition box is regarded as a display. The connection mode of the two is through the HDMI video output line, so there is no file transmission. There is no control signaling returned to the medical office PC, and there is no security risk such as hacker intrusion.

[0071] In the embodiment of the application, a sensitive information sharing method is also provided, which is described with reference to Figure 3 The method is applied to a user terminal of a sensitive information sharing system, and can include the following steps:

[0072] S101, generating an acquisition request of target medical data.

[0073] S102, receiving a video stream of the target medical data matched with the acquisition request.

[0074] S103, sending the video stream to a cloud server.

[0075] It should be noted that in the embodiment of the present application, the user terminal cannot directly access the information server storing the medical data, and needs to send a request for obtaining the related medical data to the control terminal, that is, the doctor PC end of the workstation, can send the request to the control terminal through instant messaging, and then the control terminal calls the medical data stored in the information server, and the control terminal does not directly transmit the medical data to the user terminal sending the request for obtaining, but outputs the medical data through the screen, so that the video capture device captures the screen interface to generate a video stream corresponding to the medical data, and the video capture device sends the video stream to the user terminal. The user terminal views the video stream to obtain the related medical information through video playing. Correspondingly, the user terminal can also send the video stream to the cloud server to distribute the video stream through the cloud server, or can also be transmitted to other collaboration terminals, such as a doctor mobile terminal for remote consultation.

[0076] Further, the receiving the video stream of the target medical data matched with the request for obtaining comprises:

[0077] Receiving a random check code of a video capture device, the video capture device being a device capable of obtaining the video stream of the target medical data;

[0078] Based on the random check code, a communication connection with the video capture device is established;

[0079] Receiving the video stream of the target medical data sent by the video capture device.

[0080] In the embodiment of the present application, if the user terminal is connected with the video capture device and the video stream is obtained, a communication connection needs to be established first, that is, the communication connection is ensured by the random check code, and further ensures the accuracy and security of the connection.

[0081] Further, the sensitive information sharing method further comprises:

[0082] Generating link information matched with the video stream;

[0083] Sending the link information to the collaboration terminal.

[0084] Further, the sending the video stream to the cloud server comprises:

[0085] Generating a connection request to the cloud server and sending the connection request to the cloud server;

[0086] Receiving feedback information of the cloud server to the connection request, so as to establish a connection channel with the cloud server based on the feedback information;

[0087] send the video stream to a cloud server based on the connection channel.

[0088] Based on the above-mentioned embodiments, the embodiments of the present application further provide a medical data sharing method applied to a video acquisition device, which can comprise the following steps:

[0089] receiving a video stream of target medical data, the video stream being a display video of an interface of the target medical data on a display;

[0090] forwarding the video stream to a user terminal.

[0091] Further, the method further comprises the following steps:

[0092] sending a random check code to the user terminal, so that the user terminal connects with the video acquisition device through the random check code.

[0093] Further, the method further comprises the following steps:

[0094] acquiring screen display information of the target medical information output by the control terminal;

[0095] encoding the screen display information to obtain a video stream;

[0096] sending the video stream to the user terminal.

[0097] In the sensitive information sharing method provided by the embodiments of the present application, only the screen output of the control terminal is acquired, and the screen content is shared to the cooperation partner, i.e., the user terminal, under the supervision of the local doctor, so that the identity of the receiving party can be confirmed when the video stream is forwarded and transmitted, and the forwarding is performed only after the identity is verified, thereby avoiding the leakage of medical data, and further improving the security of the medical data, since the medical data itself is not directly transmitted, but transmitted in the form of a video stream.

[0098] Based on the above-mentioned embodiments, the embodiments of the present application provide a computer readable storage medium, which stores one or more programs, and the one or more programs can be executed by one or more processors to implement the steps of the sensitive information sharing method according to any one of the above-mentioned embodiments.

[0099] The embodiments of the present application further provide an electronic device, which comprises a memory, a processor, and a computer program stored in the memory and executable on the processor, and is characterized in that the processor implements the steps of the sensitive information sharing method when executing the program.

[0100] It should be noted that the processor or CPU described above can be at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a Central Processing Unit (CPU), a controller, a microcontroller, and a microprocessor. It can be understood that the electronic device for implementing the functions of the processor described above can also be other devices, and the embodiments of the present application are not limited to specific devices.

[0101] It should be noted that the computer storage medium / memory described above can be a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Ferromagnetic Random Access Memory (FRAM), a Flash Memory, a magnetic surface memory, an optical disc, or a Compact Disc Read-Only Memory (CD-ROM) memory, etc. It can also be various terminals including one or any combination of the above memories, such as a mobile phone, a computer, a tablet device, a personal digital assistant, etc.

[0102] In several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of the units is only a logical function division, and actual implementation can have another division manner. For example, multiple units or components can be combined, or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the various components shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0103] The units described as separate components above can or can not be physically separate, and the components shown as units can or can not be physical units, that is, can be located in one place or distributed to multiple network units; part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.

[0104] In addition, each functional unit in each embodiment of the present application can be integrated into one processing module, or each unit can be separately implemented as a unit, or two or more units can be integrated into one unit; the integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional unit. Those skilled in the art can understand that all or part of the steps of the above method embodiments can be completed by program instruction related hardware, and the above program can be stored in a computer readable storage medium, and the program executes the steps of the above method embodiments when executed; and the above storage medium includes mobile storage equipment, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and various storage program codes.

[0105] The methods disclosed in the several method embodiments provided by the present application can be combined arbitrarily without conflict to obtain new method embodiments.

[0106] The features disclosed in the several product embodiments provided by the present application can be combined arbitrarily without conflict to obtain new product embodiments.

[0107] The features disclosed in the several method or device embodiments provided by the present application can be combined arbitrarily without conflict to obtain new method embodiments or device embodiments.

[0108] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

[0109] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between each embodiment can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the related parts can be referred to the method part.

[0110] The foregoing description of the disclosed embodiments enables a person skilled in the art to make or use the application. Modifications of these embodiments will occur to persons of skill in the art, and that the appended claims are intended to cover all such modifications that do not depart from the true spirit and scope of the application. Therefore, the application is not limited to the embodiments shown but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sensitive information sharing system, characterized in that, include: The system includes an information server, a control terminal, a video acquisition device, a user terminal, and a cloud server. The information server is communicatively connected to the control terminal, the control terminal is communicatively connected to the video acquisition device, and the video acquisition device is communicatively connected to the user terminal. The information server is used to store medical data; The control terminal is used to display target medical data on the screen, generate control commands, and obtain video streams of target medical data from the information server based on the control commands. The information server and the control terminal are respectively connected to a first network, which only allows access via an intranet. The video acquisition device is used to receive video streams of target medical data sent by the control terminal and forward the video streams to the user terminal. It is also used to send random verification codes to the user terminal. The video acquisition device is connected to the control terminal through a high-definition multimedia interface and receives unidirectional video signals output by the control terminal. The user terminal is used to pair with the video acquisition device through the random verification code, receive the video stream, access the cloud server through an encrypted channel, and send the video stream to the cloud server. The user terminal is at least connected to a second network, which is accessed through a wireless network. The cloud server is used to authenticate user terminals accessing the cloud server in order to receive video streams transmitted by user terminals that have passed authentication. The video acquisition device specifically includes: The acquisition unit is used to acquire the screen display information of the target medical data output by the control terminal; The encoding unit is used to encode the screen display information using H.264 encoding technology to obtain a video stream; The transmitting unit is used to transmit the video stream to the user terminal via WiFi Direct technology.

2. The system according to claim 1, characterized in that, The user terminal and the video acquisition device are connected via Bluetooth. The user terminal is used to pair and connect with the video acquisition device via Bluetooth using the random verification code.

3. The system according to claim 1, characterized in that, The user terminal is also used for: Generate a connection request to the cloud server and send the connection request to the cloud server; Receive feedback information from the cloud server in response to the connection request, so as to establish a connection channel with the cloud server based on the feedback information; The video stream is sent to the cloud server via the connection channel.

4. The system according to claim 1, characterized in that, The user terminal is also used for: Generate link information that matches the video stream; The link information is sent to the cloud server.

5. The system according to claim 4, characterized in that, The user terminal is also used for: The link information is sent to the collaborating terminal via a target sending method.

6. A method for sharing sensitive information, characterized in that, A user terminal applied to a sensitive information sharing system as described in any one of claims 1-5, wherein the user terminal is at least connected to a second network, the second network being accessed via a wireless network, the method comprising: Generate a request to retrieve the target medical data; Output unidirectional video signals to the video acquisition device; Receive a random verification code from a video acquisition device, wherein the video acquisition device is a device capable of acquiring a video stream of the target medical data; A communication connection with the video acquisition device is established based on the random check code; Receives a video stream of the target medical data sent by the video acquisition device; The video stream is sent to the cloud server via an encrypted channel.

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