WO2018099101A1

WO2018099101A1 - Mobile terminal-based electronic medical record data migration system and method

Info

Publication number: WO2018099101A1
Application number: PCT/CN2017/093975
Authority: WO
Inventors: 张贯京; 葛新科; 王海荣
Original assignee: 深圳市前海安测信息技术有限公司
Priority date: 2016-12-02
Filing date: 2017-07-22
Publication date: 2018-06-07
Also published as: CN106548037A

Abstract

The present invention provides a mobile terminal-based electronic medical record data migration system and method. The method comprises: receiving a data migration configuration file of a first medical database server; obtaining the size of electronic medical record data to be migrated in the first medical database server from the data migration configuration file; searching the network for a corresponding number of mobile terminals according to the size of the electronic medical record data to be migrated; sending the data migration configuration file to each searched mobile terminal so that each searched mobile terminal establishes communication connection between the first medical database server and a second medical database server; and notifying the first medical database server to send the electronic medical record data to be migrated to the second medical database server by means of the searched mobile terminals. According to the present invention, data migration can be carried out by using network bandwidths used by the mobile terminals, so that the bandwidth costs of medical institutions are saved.

Description

Electronic medical record data migration system and method based on mobile terminal

[0001] The present invention relates to the field of medical information, and in particular, to an electronic medical record data migration system and method based on a mobile terminal.

Background technique

[0002] The medical record is the original record of the patient's diagnosis and treatment in the hospital. It contains the home page, the history record, the test results, the medical records, the surgical records, the nursing records, and so on. With the network management of hospital computers, Electronic Medical Record (EMR) came into being. As a product of technological advancement, electronic medical records have been increasingly used in medical systems for their convenience in recording and storage.

[0003] Further, with the development of mobile medical care, more and more patients or doctors now use mobile terminals.

(For example, mobile terminals for touch screens such as mobile phones, tablets, etc.) View electronic cases. In order to ensure the stability of medical information systems, medical information systems need to periodically migrate electronic medical records for backup to prevent data corruption. However, the migration of existing electronic medical record data requires medical institutions to bear bandwidth costs. If the amount of data is large, the cost of medical structures will increase. Therefore, it is necessary to provide an information system that uses mobile terminals to migrate data for electronic medical records. The mobile terminal of the medical institution staff performs data migration on the network bandwidth, and the medical institution can dynamically invoke the mobile terminal, which is beneficial to data migration and can save costs.

technical problem

[0004] A main object of the present invention is to provide an electronic medical record data migration system and method based on a mobile terminal, which aims to solve the technical problem that data migration cannot be invoked based on an existing medical information system.

Problem solution

Technical solution

[0005] In order to achieve the above object, the present invention provides an electronic medical record data migration system based on a mobile terminal, which is operated in a data migration matching terminal, and the data migration matching terminal passes through a network and a first medical database server and a second medical treatment. a database server communication connection, the network connection has multiple movements Terminal, the system includes:

[0006] a receiving module, configured to receive a data migration configuration file of the first medical database server;

[0007] an obtaining module, configured to acquire, from the data migration configuration file, a size of the electronic medical record data to be migrated in the first medical database server;

[0008] a search module, configured to search for a corresponding number of mobile terminals in the network according to the size of the electronic medical record data to be migrated;

a sending module, configured to send the data migration configuration file to each searched mobile terminal, so that each of the searched mobile terminals establishes a communication connection between the first medical database server and the second medical database server;

[0010] a notification module, configured to notify the first medical database server to send the electronic medical record data to be migrated to the second medical database server by using the searched mobile terminal.

[0011] Preferably, the first medical database server is installed with a first medical database, and the second medical database server is installed with a second medical database, wherein the first medical database is divided into a plurality of first partition databases, The second medical database is divided into a plurality of second partition databases, each of which is assigned a unique partition code, and each second partition database is assigned a unique partition code.

[0012] Preferably, the data migration configuration file includes an IP address of the first medical database server, a partition code of each first partition database in the first medical database server, and an electronic to be migrated in the first medical database server. Attribute information of the medical record data, a database configuration file of the first medical database server, an IP address of the second medical database server, a partition code of each second partition database in the second medical database server, and a database of the second medical database server Configuration file.

[0013] Preferably, after receiving the data migration configuration file, the searched mobile terminal communicates with the first medical database server according to an IP address of the first medical database server, according to the first medical database server. The database configuration file accesses the first partition database, communicates with the second medical database server according to the IP address of the second medical database server, and accesses the second partition according to the database configuration file of the second medical database server. database.

[0014] Preferably, the relationship between the size of the electronic medical record data to be migrated and the corresponding number of mobile terminals is: X=a*Y/Y0, where Y is the size of the electronic medical record data to be migrated , Y0 is the set order Bit data size, X is the number of mobile terminals, and a is a positive integer constant.

[0015] Another invention, the present invention further provides an electronic medical record data migration method based on a mobile terminal, which is applied to a data migration matching terminal, wherein the data migration matching terminal passes through a network and a first medical database server and a second medical database. A server communication connection, wherein the network is connected to a plurality of mobile terminals, and the method includes the following steps:

[0016] receiving a data migration configuration file of the first medical database server;

[0017] obtaining, from the data migration configuration file, a size of the electronic medical record data to be migrated in the first medical database server;

[0018] searching for a corresponding number of mobile terminals in the network according to the size of the electronic medical record data to be migrated; [0019] transmitting the data migration configuration file to each searched mobile terminal, so that the mobile of each search The terminal establishes a communication connection between the first medical database server and the second medical database server

; and

[0020] notifying the first medical database server to send the electronic medical record data to be migrated to the second medical database server through the searched mobile terminal.

[0021] Preferably, the first medical database server is installed with a first medical database, and the second medical database server is installed with a second medical database, wherein the first medical database is divided into a plurality of first partition databases, The second medical database is divided into a plurality of second partition databases, each of which is assigned a unique partition code, and each second partition database is assigned a unique partition code.

[0022] Preferably, the data migration configuration file includes an IP address of the first medical database server, a partition code of each first partition database in the first medical database server, and an electronic to be migrated in the first medical database server. Attribute information of the medical record data, a database configuration file of the first medical database server, an IP address of the second medical database server, a partition code of each second partition database in the second medical database server, and a database of the second medical database server Configuration file.

[0023] Preferably, after receiving the data migration configuration file, the searched mobile terminal communicates with the first medical database server according to an IP address of the first medical database server, according to the first medical database server. Database configuration file accessing the first partition database, communicating with the second medical database server according to an IP address of the second medical database server, according to the second medical The database configuration file of the database server accesses the second partition database.

[0024] Preferably, the relationship between the size of the electronic medical record data to be migrated and the corresponding number of mobile terminals is: X=a*Y/Y0, where Y is the size of the electronic medical record data to be migrated Y0 is the set unit data size, X is the number of mobile terminals, and a is a positive integer constant.

Advantageous effects of the invention

Beneficial effect

[0025] The present invention adopts the above technical solution, and brings the technical effects as follows: The present invention uses multiple mobile terminals to perform data migration on the electronic medical record, and utilizes the network bandwidth used by the mobile terminal, thereby saving the bandwidth cost of the medical institution.

Brief description of the drawing

DRAWINGS

1 is a schematic diagram of an application environment of an electronic medical record data migration system based on a mobile terminal according to the present invention;

2 is a schematic block diagram of a preferred embodiment of an electronic medical record data migration system based on a mobile terminal of the present invention;

3 is a flow chart of a preferred embodiment of an electronic medical record data migration method based on a mobile terminal of the present invention.

[0029] The objects, features, and advantages of the present invention will be further described in conjunction with the embodiments.

BEST MODE FOR CARRYING OUT THE INVENTION

The specific embodiments, structures, features and functions of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0031] Referring to FIG. 1, FIG. 1 is a schematic diagram of an application environment of an electronic medical record data migration system based on a mobile terminal according to the present invention. The mobile terminal-based electronic medical record data migration system 30 in the present invention runs on the data migration matching terminal 3. The data migration matching terminal 3 is communicably connected to the first medical database server 1 and the second medical database server 4 via the network 2. The data migration matching terminal 3 can access the first medical database server 1 (or the second medical database server 4) through the network 2, and from the first medical doctor The therapy database server 1 (or the second medical database server 4) acquires various types of electronic medical record data. The electronic medical record data includes, but is not limited to, a patient's name, a patient's name, a diseased day, a disease name, a disease cause, a disease diagnosis information, a drug name, a drug quantity, a doctor's name, a hospital and a department, a fee, and a patient. Contact information (for example, email address, mobile phone number, instant messaging account, etc.), disease encyclopedia, government medical policy documents, etc.

[0032] The first medical database server 1 is installed with a first medical database 10, wherein the medical database 10 is divided into a plurality of first partition databases 100, for example, N first partition databases 100, each of the first partitions. The database 100 is assigned a unique partition code, and a first partition database 100 stores one type of electronic medical record data. For example, the first partition database A stores text data in the electronic medical record data, the first partition database B stores image data in the electronic medical record data, the first partition database C stores the video data in the electronic medical record data, and the first partition database D stores Web page data in electronic medical record data.

[0033] The first medical database server 1 provides a data import interface (eg, an application program interface, an API), and a device or system that accesses the data import interface may be from the first medical database server. The first partition database 100 in 1 acquires electronic medical record data.

[0034] The second medical database server 4 is installed with a second medical database 40, wherein the medical database 40 is divided into a plurality of second partition databases 400, for example, N second partition databases 400, each of the second partitions. The database 400 is assigned a unique partition code, and a second partition database 400 stores one type of electronic medical record data. For example, the second partition database A1 stores text data in the electronic medical record data, the second partition database B1 stores image data in the electronic medical record data, and the second partition database C1 stores the video data in the electronic medical record data, the second partition database D1 Store web page data in electronic medical record data.

[0035] Specifically, the second medical database server 4 provides a data import interface (for example, an application program interface, an API), and the device or system that accesses the data import interface may be from the second The medical database server 4 acquires electronic medical record data.

[0036] It should be noted that the second medical database server 4 is a backup server of the first medical database server 1, and the electronic medical record data in the first medical database server 1 can be migrated to the second medical database server. Make a backup in 4.

[0037] In this embodiment, the network 2 may be a wired communication network or a wireless communication network. The network is excellent Selected as a wireless communication network, including but not limited to, GSM network, GPRS network, CDMA network, TD-S

A wireless transmission network such as a CDMA network, a WiMAX network, a TD-LTE network, or an FDD-LTE network. .

[0038] Further, the data migration matching terminal 3 is communicably connected to the plurality of mobile terminals 5 through the network 2, and is configured to migrate the electronic medical record data in the first medical database server 1 to the second medical treatment by the mobile terminal 5. Backup is performed in the database server 4.

[0039] In this embodiment, the network 2 may be a wired communication network or a wireless communication network. The network is preferably a wireless communication network, including but not limited to, a GSM network, a GPRS network, a CDMA network, and a TD-S.

A wireless transmission network such as a CDMA network, a WiMAX network, a TD-LTE network, or an FDD-LTE network.

[0040] The data migration matching terminal 3 may be, but not limited to, any other suitable mobile terminal device such as a smart phone, a tablet computer, a personal digital assistant (PDA), a personal computer, an electronic signboard, and the like.

[0041] The mobile terminal 5 may be, but is not limited to, any other suitable portable touch screen electronic device such as a smart phone, a tablet computer, a personal digital assistant (PDA), a personal computer, an electronic signboard, and the like.

[0042] Referring to FIG. 2, it is a block diagram of a preferred embodiment of an electronic medical record data migration system based on a mobile terminal of the present invention. In the embodiment, the mobile terminal-based electronic medical record data migration system 30 is applied to the data migration matching terminal 3. The data migration matching terminal 3 includes, but is not limited to, a mobile terminal based electronic medical record data migration system 30, a storage unit 31, a processing unit 32, and a communication unit 33.

[0043] The storage unit 31 may be a read only storage unit ROM, an electrically erasable storage unit EEPRO

M, flash memory unit FLASH or solid hard disk.

[0044] The processing unit 32 may be a central processing unit (CPU), a microcontroller (MCU), a data processing chip, or an information processing unit having a data processing function.

[0045] The communication unit 33 is a communication interface with a remote communication function, for example, supporting GSM, GPR.

The communication interface of wireless communication technologies such as S, WCDMA, CDMA, TD-SCDMA, WiMAX, TD-LTE, FDD-LTE, and the wired communication interface supporting USB and network cable.

[0046] The mobile terminal-based electronic medical record data migration system 30 includes, but is not limited to, a receiving module 31.

1. The acquisition module 312, the search module 313, the sending module 314, and the notification module 315, which are referred to in the present invention. A block refers to a series of computer program instruction segments that can be executed by the processing unit 32 of the data migration matching terminal 3 and that can perform a fixed function, which are stored in the storage unit 31 of the data migration matching terminal 3.

[0047] The receiving module 311 is configured to receive a data migration configuration file of the first medical database server 1.

In this embodiment, the data migration configuration file includes, but is not limited to, an IP address of the first medical database server 1, a partition code of each first partition data 100 in the first medical database server 1, and a first Attribute information (including data size, file directory, and the like) of the electronic medical record data to be migrated in the medical database server 1, a database configuration file of the first medical database server 1 (for example, database connection configuration information, etc.), the second medical The IP address of the database server 4, the partition code of each second partition data 400 in the second medical database server 4, the database configuration file of the second medical database server 4 (for example, database connection configuration information, etc.). It should be noted that the data migration configuration file may be pre-stored in the data migration matching terminal 3, and the data migration configuration file is periodically updated.

[0048] The obtaining module 312 is configured to obtain, from the data migration configuration file, a size of the electronic medical record data to be migrated in the first medical database server 1.

[0049] The search module 313 is configured to search the network 2 for a corresponding number of mobile terminals 5 according to the size of the electronic medical record data to be migrated. The relationship between the size of the electronic medical record data to be migrated and the corresponding number of mobile terminals 5 is: X=a*Y/Y0, where Y is the size of the electronic medical record data to be migrated, and Y0 is the setting Unit data size (for example, 1GB), X is the number of mobile terminals, and a is a positive integer constant. In addition, the search module 313 sends a network broadcast to the network 2, and if the mobile terminal 5 connected to the network 2 receives the network broadcast and agrees to be an intermediate device for data migration, the mobile terminal 5 is a searched mobile terminal. . For example, if the mobile terminal 5 receives the network broadcast, the mobile terminal 5 pops up an inquiry dialog box, which includes a confirmation button and a cancel button. When the user using the mobile terminal 5 clicks the OK button, the mobile terminal 5 is indicated. An intermediate device authorized to migrate data for the first medical database server 1 indicates that the mobile terminal 5 rejects the intermediate device that migrates data for the first medical database server 1 if the user using the mobile terminal 5 clicks the cancel button. In order to avoid the excessive rejection rate of the mobile terminal 5, the reward information may be embedded in the network broadcast. For example, if the mobile terminal 5 agrees to be an intermediate device for migrating data, an electronic money (for example, 1 yuan of electronic money) may be issued. Give the mobile end End 5. In addition, the mobile terminal of a worker in a medical institution (for example, a hospital) can also be used as an intermediate device for migrating data. In order to avoid affecting the work and life of the staff, the electronic medical record data of the first medical database server 1 is migrated, and the setting is made after 12 o'clock in the evening to 4 o'clock in the morning.

[0050] The sending module 314 is configured to send the data migration configuration file to each searched mobile terminal 5, so that each of the searched mobile terminals 5 is in the first medical database server 1 and the second medical database server 4 Establish a communication connection between them. After receiving the data migration configuration file, the searched mobile terminal 5 communicates with the first medical database server 1 according to the IP address of the first medical database server 1, according to the database of the first medical database server 1. The configuration file accesses the first partition database 100, communicates with the second medical database server 4 according to the IP address of the second medical database server 4, and accesses the database according to the database configuration file of the second medical database server 4. Two partition database 400.

[0051] The notification module 315 is configured to notify the first medical database server 1 to send the electronic medical record data to be migrated to the second medical database server 4 through the searched mobile terminal 5. Specifically, the notification module 315 notifies the first medical database server 1 to transfer the text data in the first partition database 100 from the searched mobile terminal 5 to the second partition database 400 (for example, the second partition database A1). storage.

[0052] Referring to FIG. 3, it is a flowchart of a preferred embodiment of the electronic medical record data migration method based on the mobile terminal of the present invention. In this embodiment, the mobile terminal-based electronic medical record data migration method is applied to the data migration matching terminal 3, and the method includes the following steps:

[0053] Step S11: The receiving module 311 receives the data migration configuration file of the first medical database server 1. In this embodiment, the data migration configuration file includes, but is not limited to, an IP address of the first medical database server 1, a partition code of each first partition data 100 in the first medical database server 1, and a first Attribute information (including data size, file directory, and the like) of the electronic medical record data to be migrated in the medical database server 1, a database configuration file of the first medical database server 1 (for example, database connection configuration information, etc.), the second medical The IP address of the database server 4, the partition code of each second partition data 400 in the second medical database server 4, the database configuration file of the second medical database server 4 (for example, database connection configuration information, etc.). It should be noted that the data The migration configuration file may be pre-stored in the data migration matching terminal 3, and the data migration configuration file is periodically updated.

[0054] Step S12: The obtaining module 312 obtains the size of the electronic medical record data to be migrated in the first medical database server 1 from the data migration configuration file.

[0055] Step S13: The search module 313 searches the mobile terminal 5 in the network 2 according to the size of the electronic medical record data to be migrated. The relationship between the size of the electronic medical record data to be migrated and the corresponding number of mobile terminals 5 is: X=a*Y/Y0, where Y is the size of the electronic medical record data to be migrated, and Y0 is the setting Unit data size (for example, 1GB), X is the number of mobile terminals, and a is a positive integer constant. In addition, the search module 313 sends a network broadcast to the network 2, and if the mobile terminal 5 connected to the network 2 receives the network broadcast and agrees to be an intermediate device for data migration, the mobile terminal 5 is a searched mobile terminal. . For example, if the mobile terminal 5 receives the network broadcast, the mobile terminal 5 pops up an inquiry dialog box, which includes a confirmation button and a cancel button. When the user using the mobile terminal 5 clicks the OK button, the mobile terminal 5 is indicated. An intermediate device authorized to migrate data for the first medical database server 1 indicates that the mobile terminal 5 rejects the intermediate device that migrates data for the first medical database server 1 if the user using the mobile terminal 5 clicks the cancel button. In order to avoid the excessive rejection rate of the mobile terminal 5, the reward information may be embedded in the network broadcast. For example, if the mobile terminal 5 agrees to be an intermediate device for migrating data, an electronic money (for example, 1 yuan of electronic money) may be issued. To the mobile terminal 5. In addition, the mobile terminal of a worker in a medical institution (for example, a hospital) can also be used as an intermediate device for migrating data. In order to avoid affecting the work and life of the staff, the electronic medical record data of the first medical database server 1 is migrated, and the setting is made after 12 o'clock in the evening to 4 o'clock in the morning.

[0056] Step S14: The sending module 314 sends the data migration configuration file to each of the searched mobile terminals 5, so that each of the searched mobile terminals 5 is in the first medical database server 1 and the second medical database server. Establish a communication connection between 4. After receiving the data migration configuration file, the searched mobile terminal 5 communicates with the first medical database server 1 according to the IP address of the first medical database server 1, according to the database of the first medical database server 1. The configuration file accesses the first partition database 100, communicates with the second medical database server 4 according to the IP address of the second medical database server 4, and accesses the database according to the database configuration file of the second medical database server 4. Two partition database 400. Step S15: The notification module 315 notifies the first medical database server 1 to send the electronic medical record data to be migrated to the second medical database server 4 through the searched mobile terminal 5. Specifically, the notification module 315 notifies the first medical database server 1 to transfer the text data in the first partition database 100 from the searched mobile terminal 5 to the second partition database 400 (for example, the second partition database A1) ) Storage.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the invention and the contents of the drawings, or indirectly or indirectly The technical field is equally included in the scope of patent protection of the present invention.

Industrial applicability

[0059] The present invention adopts the above technical solution, and brings the technical effects as follows: The present invention uses multiple mobile terminals to perform data migration on the electronic medical record, and utilizes the network bandwidth used by the mobile terminal, thereby saving the bandwidth cost of the medical institution.

Claims

Claim

[Claim 1] An electronic medical record data migration system based on a mobile terminal, running in a data migration matching terminal, wherein the data migration matching terminal communicates with a first medical database server and a second medical database server through a network Connecting, the network is connected to a plurality of mobile terminals, the system includes: a receiving module, configured to receive a data migration configuration file of the first medical database server; and an obtaining module, configured to migrate the configuration file from the data Obtaining a size of the electronic medical record data to be migrated in the first medical database server; searching a module, configured to search a network for a corresponding number of mobile terminals according to the size of the electronic medical record data to be migrated; and sending a module, configured to send And the data migration configuration file is sent to each of the searched mobile terminals, so that each of the searched mobile terminals establishes a communication connection between the first medical database server and the second medical database server; and the notification module is configured to notify the first a medical database server And transmitting the electronic medical record data to be migrated to the second medical database server through the searched mobile terminal.

[Claim 2] The mobile terminal-based electronic medical record data migration system according to claim 1, wherein the first medical database server is installed with a first medical database, and the second medical database server is installed with a second medical a database, wherein the first medical database is divided into a plurality of first partition databases, and the second medical database is divided into a plurality of second partition databases, each of which is assigned a unique partition code, each of which The second partition database is assigned a unique partition code.

[Claim 3] The mobile terminal-based electronic medical record data migration system according to claim 2, wherein the data migration configuration file includes an IP address of the first medical database server, and a first medical database server Partition code of each first partition database, attribute information of electronic medical record data to be migrated in the first medical database server, database configuration file of the first medical database server, IP address of the second medical database server, second medical The partition code of each second partition database in the database server and the database configuration file of the second medical database server.

[Claim 4] The mobile terminal-based electronic medical record data migration system according to claim 3, wherein the searched mobile terminal receives the data migration configuration file, according to the The IP address of the first medical database server is in communication connection with the first medical database server, and the first partition database is accessed according to the database configuration file of the first medical database server, according to the IP address of the second medical database server The second medical database server is in communication connection, and accesses the second partition database according to a database configuration file of the second medical database server.

The mobile terminal-based electronic medical record data migration system according to claim 1, wherein the relationship between the size of the electronic medical record data to be migrated and the corresponding number of mobile terminals is: X=a*Y/Y0 Y is the size of the electronic medical record data to be migrated, Y0 is the set unit data size, X is the number of mobile terminals, and a is a positive integer. A mobile terminal-based electronic medical record data migration method is applied. In the data migration matching terminal, the data migration matching terminal is communicably connected to the first medical database server and the second medical database server through the network, and the network is connected to the plurality of mobile terminals, and the method includes the following Step: receiving a data migration configuration file of the first medical database server; obtaining, from the data migration configuration file, a size of the electronic medical record data to be migrated in the first medical database server; according to the electronic medical record to be migrated The size of the data searches for a corresponding number of mobile terminals in the network; Transmitting a configuration file to each of the searched mobile terminals, causing each of the searched mobile terminals to establish a communication connection between the first medical database server and the second medical database server; and notifying the first medical database server The electronic medical record data to be migrated is transmitted to the second medical database server through the searched mobile terminal.

The mobile terminal-based electronic medical record data migration method according to claim 6, wherein the first medical database server is installed with a first medical database, and the second medical database server is installed with a second medical database, wherein The first medical database is divided into a plurality of first partition databases, and the second medical database is divided into a plurality of second partition databases, each of which is assigned a unique partition code, and each second partition database is allocated. There is a unique partition code.

The mobile terminal-based electronic medical record data migration method according to claim 7, characterized in that The data migration configuration file includes an IP address of the first medical database server, a partition code of each first partition database in the first medical database server, and an attribute of the electronic medical record data to be migrated in the first medical database server. Information, a database configuration file of the first medical database server, and an IP address of the second medical database server

And a partition code of each second partition database in the second medical database server and a database configuration file of the second medical database server.

[Claim 9] The mobile terminal-based electronic medical record data migration method according to claim 8, wherein the searched mobile terminal receives the data migration configuration file, according to the first medical database server The IP address is in communication with the first medical database server, accessing the first partition database according to a database configuration file of the first medical database server, according to an IP address of the second medical database server and the second medical database The server communication connection accesses the second partition database according to a database configuration file of the second medical database server.

[Claim 10] The mobile terminal-based electronic medical record data migration method according to claim 6, wherein the relationship between the size of the electronic medical record data to be migrated and the corresponding number of mobile terminals is: X= a*Y/Y0, where Y is the size of the electronic medical record data to be migrated, Y0 is the set unit data size, X is the number of mobile terminals, and a is a positive integer.