CN110472428A - Medical data sharing method and shared system based on block chain - Google Patents
Medical data sharing method and shared system based on block chain Download PDFInfo
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- CN110472428A CN110472428A CN201910713210.8A CN201910713210A CN110472428A CN 110472428 A CN110472428 A CN 110472428A CN 201910713210 A CN201910713210 A CN 201910713210A CN 110472428 A CN110472428 A CN 110472428A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
Abstract
Embodiments herein provides a kind of medical data sharing method and shared system based on block chain.The medical data sharing method includes: that the first patient will need the privacy information encrypted to be sent to privacy information authorization module, so that the privacy information authorization module is encrypted；The privacy information authorization module encrypts the privacy information to obtain encrypted information and sub-key string, and the encrypted information and the sub-key string are returned to first patient；The encrypted information is distributed in block platform chain by first patient, and the sub-key string is distributed to and has permission the node for obtaining the privacy information.The technical solution of the embodiment of the present application makes it possible to ensure by block chain network that the shared side of multiple medical datas realizes the shared of medical data, and the safety that can guarantee the medical data being distributed in block chain network realizes the safely controllable of medical data.
Description
The application be submit on 07 06th, 2018, application No. is 201810735589.8, entitled " medical numbers
According to sharing method, device, computer-readable medium and electronic equipment " divisional application.
Technical field
This application involves computer and fields of communication technology, in particular to a kind of medical data based on block chain
Sharing method and shared system.
Background technique
The shared treatment and analysis for disease of medical data has great meaning, and the shared of current medical data is led to
It is often by modes such as the systems, various social softwares or shared document of hospital internal come sharing data information, but it is this
There is very big barrier in mode, it is difficult to realize real data sharing, and also be difficult to solve the safety issue of data.
It should be noted that information is only used for reinforcing the reason to the background of the application disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
Embodiments herein provides a kind of medical data sharing method and shared system based on block chain, Jin Erzhi
Few sharing problem that can solve medical data to a certain extent.
Other characteristics and advantages of the application will be apparent from by the following detailed description, or partially by the application
Practice and acquistion.
According to the one aspect of the embodiment of the present application, a kind of medical data sharing method based on block chain is provided, is wrapped
Include: the first patient will need the privacy information encrypted to be sent to privacy information authorization module, so that the privacy information authorization mould
Block is encrypted；The privacy information authorization module encrypts the privacy information to obtain encrypted information and sub-key
String, and the encrypted information and the sub-key string are returned into first patient；First patient described will add
Information after close is distributed in block platform chain, and the sub-key string is distributed to and has permission the section for obtaining the privacy information
Point.
In some embodiments of the present application, it is based on aforementioned schemes, the shared side of the medical data based on block chain
Method further include: the first medical institutions obtain the encrypted information of the first patient publication from the block platform chain, and
The sub-key string of first patient distribution and the encrypted information are sent to the privacy information authorization module；It is described
The encrypted information is decrypted in the sub-key string that privacy information authorization module is distributed according to first patient, obtains
Information after decryption, and the information after the decryption is returned into first medical institutions.
In some embodiments of the present application, it is based on aforementioned schemes, the shared side of the medical data based on block chain
Method further include: the second medical institutions obtain the encrypted information of the first patient publication from the block platform chain, and
The encrypted information is sent to the privacy information authorization module；The privacy information authorization module is having not been obtained
When stating the sub-key string of the second medical institutions transmission distributed by first patient, determines and the encrypted information is decrypted
Failure, and the prompt information to fail is returned to second medical institutions.
In some embodiments of the present application, it is based on aforementioned schemes, the shared side of the medical data based on block chain
Method further include: third medical institutions send to block platform chain the medical data of the second patient being distributed to the block platform chain
Posting request；The block platform chain is according to the posting request by the medical data storage of second patient to intermediate account
In family, and authorization requests are sent to second patient, the block platform chain is receiving the second patient return really
After recognizing publication instruction, the medical data of second patient is distributed to the letter of the block platform chain from the intermediate account
It ceases in shared account.
In some embodiments of the present application, aforementioned schemes are based on, the intermediate account is according to the third therapeutic machine
The account that the public key of structure and the public key of second patient generate.
In some embodiments of the present application, aforementioned schemes are based on, sending in third medical institutions to block platform chain will
The medical data of second patient is distributed to before the posting request of the block platform chain, further includes: second patient is to institute
State the information that block platform chain issues second patient；Described in the third medical institutions are inquired from the block platform chain
The information of second patient；The information of second patient inquired is returned to the third therapeutic machine by the block platform chain
Structure.
In some embodiments of the present application, it is based on aforementioned schemes, the shared side of the medical data based on block chain
Method further include: the medical data of second patient is being distributed to the area by the block platform chain from the intermediate account
After in the information sharing account of block platform chain, the second patient of Xiang Suoshu, which returns, issues successful feedback information.
In some embodiments of the present application, it is based on aforementioned schemes, the shared side of the medical data based on block chain
Method further include: third patient issues the medical data of the third patient to the block platform chain；The block platform chain root
The medical data to match with the medical data of the third patient is searched according to the medical data of the third patient, and will be searched
To the medical data to match return to the third patient.
According to the two of the embodiment of the present application aspects, a kind of medical data shared system based on block chain, institute are provided
Stating medical data shared system includes block platform chain and privacy information authorization module, the block chain node of the block platform chain
Including first patient's node；Wherein, the first patient node will need the privacy information encrypted to be sent to the privacy information
Authorization module, so that the privacy information authorization module is encrypted；The privacy information authorization module is to the privacy information
It is encrypted to obtain encrypted information and sub-key string, and the encrypted information and the sub-key string is returned into institute
State first patient's node；The encrypted information is distributed in block platform chain by the first patient node, and will be described
Sub-key string distributes to the node for having permission and obtaining the privacy information.
In some embodiments of the present application, aforementioned schemes are based on, the block chain node further includes the first medical institutions
Node；Wherein, first medical institutions node obtains adding for the first patient node publication from the block platform chain
Information after close, and the sub-key string of the first patient node distribution and the encrypted information are sent to the privacy
Authorizing information module；The sub-key string that the privacy information authorization module is distributed according to the first patient node is to the encryption
Information afterwards is decrypted, the information after being decrypted, and the information after the decryption is returned to first medical institutions
Node.
In some embodiments of the present application, aforementioned schemes are based on, the block chain node further includes the second medical institutions
Node；Wherein, second medical institutions node obtains adding for the first patient node publication from the block platform chain
Information after close, and the encrypted information is sent to the privacy information authorization module；The privacy information authorization mould
Block is determined when the sub-key string of second medical institutions node transmission distributed by the first patient node has not been obtained
To the encrypted information decryption failure, and the prompt information to fail is returned to second medical institutions node.
In some embodiments of the present application, aforementioned schemes are based on, the block chain node further includes third medical institutions
Node and second patient's node；Wherein, third medical institutions node is sent to block platform chain by second patient's node
Medical data is distributed to the posting request of the block platform chain；The block platform chain is according to the posting request by described
The medical data storage of two patient's nodes sends authorization requests, the area into intermediate account, and to the second patient node
Block platform chain is after receiving the confirmation publication instruction that the second patient node returns, by the medical treatment of the second patient node
Data are from the information sharing account for being distributed to the block platform chain in the intermediate account.
In some embodiments of the present application, aforementioned schemes are based on, it is flat to block chain in third medical institutions node
The medical data of second patient's node is distributed to before the posting request of the block platform chain by platform transmission, further includes: described
Second patient's node issues the information of the second patient node to the block platform chain；Third medical institutions node from
The information of the second patient node is inquired in the block platform chain；The block platform chain is suffered from inquire described second
The information of person's node returns to third medical institutions node.
In some embodiments of the present application, aforementioned schemes are based on, the block platform chain is saved by second patient
The medical data of point is after in the information sharing account for being distributed to the block platform chain in the intermediate account, Xiang Suoshu the
Two patient's nodes, which return, issues successful feedback information.
In some embodiments of the present application, aforementioned schemes are based on, the block chain node further includes third patient's node；
Wherein, the third patient node issues the medical data of the third patient node to the block platform chain；The block
Platform chain matches according to the medical data of the lookup of the medical data of the third patient node and the third patient node
Medical data, and the medical data to match found is returned into the third patient node.
In the technical solution provided by some embodiments of the present application, pass through the privacy for needs being encrypted by the first patient
Information is sent to privacy information authorization module, so that privacy information authorization module is encrypted to obtain encrypted information and son is close
Key string, and encrypted information and sub-key string are returned into the first patient, and then first patient sends out encrypted information
Sub-key string is distributed to the node for having permission and obtaining privacy information into block platform chain by cloth, so that other nodes can be with
The privacy information of the first patient is obtained from block chain network, and is decrypted based on the sub-key string that the first patient distributes to obtain
Privacy information after taking decryption, improves the safety of privacy information.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.It should be evident that the accompanying drawings in the following description is only the application
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.In the accompanying drawings:
Fig. 1 is shown can be using medical data sharing method of the embodiment of the present application based on block chain or based on block
The schematic diagram of the exemplary system architecture of the medical data sharing means of chain；
Fig. 2 shows the structural schematic diagrams of the computer system of the electronic equipment suitable for being used to realize the embodiment of the present application；
Fig. 3 diagrammatically illustrates the medical data sharing method based on block chain of one embodiment according to the application
Flow chart；
Fig. 4 diagrammatically illustrates the medical data sharing method based on block chain of another embodiment according to the application
Flow chart；
Fig. 5 diagrammatically illustrates the medical data sharing method based on block chain of another embodiment according to the application
Flow chart；
Fig. 6 diagrammatically illustrates the medical data sharing method based on block chain of another embodiment according to the application
Flow chart；
Fig. 7 diagrammatically illustrates the medical data sharing method based on block chain of another embodiment according to the application
Flow chart；
Fig. 8 diagrammatically illustrates the medical data sharing method based on block chain of another embodiment according to the application
Flow chart；
Fig. 9 diagrammatically illustrates the system of the medical data secret sharing based on block chain according to an embodiment of the present application
Block diagram；
Figure 10 shows the schematic diagram of the block chain network formed according to multiple nodes of one embodiment of the application；
Figure 11 show according to each block chain node of one embodiment of the application and privacy information authorization module it
Between interactive process schematic diagram；
Figure 12 shows the schematic diagram of the privacy information empowerment management process according to one embodiment of the application；
Figure 13 is shown between each block chain node and entitlement management module according to one embodiment of the application
Interactive process schematic diagram；
Figure 14 shows the schematic diagram of the empowerment management process according to one embodiment of the application；
Figure 15 shows the schematic diagram of the intelligently pushing process according to one embodiment of the application；
Figure 16 diagrammatically illustrates the medical data sharing means based on block chain of one embodiment according to the application
Block diagram.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the application will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to embodiments herein.However,
It will be appreciated by persons skilled in the art that the technical solution of the application can be practiced without one or more in specific detail,
Or it can be using other methods, constituent element, device, step etc..In other cases, it is not shown in detail or describes known side
Method, device, realization or operation to avoid fuzzy the application various aspects.
Block diagram shown in the drawings is only functional entity, not necessarily must be corresponding with physically separate entity.
I.e., it is possible to realize these functional entitys using software form, or realized in one or more hardware modules or integrated circuit
These functional entitys, or these functional entitys are realized in heterogeneous networks and/or processor device and/or microcontroller device.
Flow chart shown in the drawings is merely illustrative, it is not necessary to including all content and operation/step,
It is not required to execute by described sequence.For example, some operation/steps can also decompose, and some operation/steps can close
And or part merge, therefore the sequence actually executed is possible to change according to the actual situation.
Fig. 1 is shown can be using medical data sharing method of the embodiment of the present application based on block chain or based on block
The schematic diagram of the exemplary system architecture 100 of the medical data sharing means of chain.
As shown in Figure 1, system architecture 100 may include equipment 101,102,103, network 104 and server 105.Network
104 between equipment 101,102,103 and server 105 to provide the medium of communication link.Network 104 may include various
Connection type, such as wired communications links, wireless communication link etc..
It should be understood that equipment, network shown in Fig. 1 and the number of server are only schematical.According to realization need
It wants, can have any number of equipment, network and server.For example server 105 can be the clothes of multiple server compositions
Business device cluster etc..
User can be used equipment 101,102,103 and be interacted by network 104 with server 105, be disappeared with receiving or sending
Breath etc..Equipment 101, equipment 102 and equipment 103 can be the server device etc. that medical data shares side.Wherein, equipment 101,
Equipment 102 and equipment 103 can form block chain network respectively as block chain link point, and then equipment 101, equipment 102 and set
Standby 103 can realize the shared of medical data based on block chain network.
Server 105 can be to provide the server of various services.For example server 105 can receive block link network
When the first medical data that the either block chain node in network is sent, searched and the first medical data phase from block chain network
Then second medical data is sent to the block chain node by matched second medical data, for block chain link click-through
Row reference.Wherein, which may include the illness information of certain patient, and the second medical data can be and the patient
The information such as the associated therapeutic scheme of illnesses.
For another example, server 105 can detecte the authenticity of the medical data stored in block chain network, if detecting block
There is false medical data in chain network, then the medical data of the falseness is identified, and can be with the limiting uploading void
The permission that the block chain node of false medical data releases news into block chain network again, or by the block chain node from
It is removed in block chain network.
For another example, server 105 can also provide the service of data encryption, and specifically, block chain node is by medical data
It is distributed to before block chain network, the medical data that the private key of itself and needs are issued can be sent to server 105, in turn
Server 105 can encrypt the medical data according to the private key of block chain node, then return to encrypted data
The block chain node is given, is distributed in block chain network by the block chain node.In addition, if other block chain nodes are from block chain
Encrypted data have been got in network, then encrypted data and corresponding decruption key can be sent to server
105, so that server 105 is decrypted.
Fig. 2 shows the structural schematic diagrams of the computer system of the electronic equipment suitable for being used to realize the embodiment of the present application.
It should be noted that Fig. 2 shows the computer system 200 of electronic equipment be only an example, should not be to this Shen
Please embodiment function and use scope bring any restrictions.
As shown in Fig. 2, computer system 200 includes central processing unit (Central Processing Unit, CPU)
201, it can be according to the program being stored in read-only memory (Read-Only Memory, ROM) 202 or from storage section
208 programs being loaded into random access storage device (Random Access Memory, RAM) 203 and execute various appropriate
Movement and processing.In RAM 203, it is also stored with various programs and data needed for system operatio.CPU 201, ROM 202 with
And RAM 203 is connected with each other by bus 204.Input/output (Input/Output, I/O) interface 205 is also connected to bus
204。
I/O interface 205 is connected to lower component: the importation 206 including keyboard, mouse etc.；It is penetrated including such as cathode
Spool (Cathode Ray Tube, CRT), liquid crystal display (Liquid Crystal Display, LCD) etc. and loudspeaker
Deng output par, c 207；Storage section 208 including hard disk etc.；And including such as LAN (Local Area Network, office
Domain net) card, modem etc. network interface card communications portion 209.Communications portion 209 via such as internet network
Execute communication process.Driver 210 is also connected to I/O interface 205 as needed.Detachable media 211, such as disk, CD,
Magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 210, in order to from the computer journey read thereon
Sequence is mounted into storage section 208 as needed.
Particularly, according to an embodiment of the present application, it may be implemented as computer below with reference to the process of flow chart description
Software program.For example, embodiments herein includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communications portion 209, and/or from detachable media
211 are mounted.When the computer program is executed by central processing unit (CPU) 201, executes and limited in the system of the application
Various functions.
It should be noted that computer-readable medium shown in the embodiment of the present application can be computer-readable signal media
Or computer readable storage medium either the two any combination.Computer readable storage medium for example can be with
System, device or the device of --- but being not limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, or it is any more than
Combination.The more specific example of computer readable storage medium can include but is not limited to: have one or more conducting wires
Electrical connection, portable computer diskette, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type are programmable
Read-only memory (Erasable Programmable Read Only Memory, EPROM), flash memory, optical fiber, Portable, compact
Disk read-only memory (Compact Disc Read-Only Memory, CD-ROM), light storage device, magnetic memory device or
The above-mentioned any appropriate combination of person.In this application, computer readable storage medium can be it is any include or storage program
Tangible medium, which can be commanded execution system, device or device use or in connection.And in this Shen
Please in, computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
In carry computer-readable program code.The data-signal of this propagation can take various forms, including but not limited to
Electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be computer-readable
Any computer-readable medium other than storage medium, the computer-readable medium can send, propagate or transmit for by
Instruction execution system, device or device use or program in connection.The journey for including on computer-readable medium
Sequence code can transmit with any suitable medium, including but not limited to: wireless, wired etc. or above-mentioned is any appropriate
Combination.
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the application, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of above-mentioned module, program segment or code include one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it wants
It is noted that the combination of each box in block diagram or flow chart and the box in block diagram or flow chart, can use and execute rule
The dedicated hardware based systems of fixed functions or operations is realized, or can use the group of specialized hardware and computer instruction
It closes to realize.
Being described in unit involved in the embodiment of the present application can be realized by way of software, can also be by hard
The mode of part realizes that described unit also can be set in the processor.Wherein, the title of these units is in certain situation
Under do not constitute restriction to the unit itself.
As on the other hand, present invention also provides a kind of computer-readable medium, which be can be
Included in electronic equipment described in above-described embodiment；It is also possible to individualism, and without in the supplying electronic equipment.
Above-mentioned computer-readable medium carries one or more program, when the electronics is set by one for said one or multiple programs
When standby execution, so that method described in electronic equipment realization as the following examples.For example, the electronic equipment can be real
Each step now as shown in Figures 3 to 8.
The realization details of the technical solution of the embodiment of the present application is described in detail below:
Fig. 3 diagrammatically illustrates the medical data sharing method based on block chain of one embodiment according to the application
Flow chart, the medical data sharing method are suitable for electronic equipment described in previous embodiment.Referring to shown in Fig. 3, the medical treatment
Data sharing method includes at least step S310 to step S330, is described in detail as follows:
In step s310, the shared side of multiple medical datas is constructed into block chain network as block chain node.
In one embodiment of the application, the shared side of medical data may include hospital, research institution, charity,
Individual etc..Wherein it is possible to which the shared one block chain node of each personal accomplishment of medical data will be participated in construct block link network
Network can also will participate in shared one entirety of all personal accomplishments of medical data to construct block chain network, such as setting one
A third-party platform participates in the shared all personal access third-party platforms of medical data to realize data sharing.
In step s 320, the medical data that the block chain node in the block chain network uploads is obtained.
It, can be for each block chain node (i.e. each doctor in block chain network in one embodiment of the application
Treat data sharing side) setting information typing interface, and then user can be distributed to based on the data input interface to upload needs
Medical data in block chain network.Wherein, medical data may include medical record information, treatment information, treatment mechanism information, master
Control information about doctor etc..
In step S330, by the medical data storage into the block chain network, in the block chain network
In share the medical data.
The technical solution of embodiment illustrated in fig. 3 makes it possible to ensure by block chain network the shared side of multiple medical datas
Realize the shared of medical data, simultaneously because the characteristics of the decentralization storage of block chain network, and can guarantee to be distributed to area
The safety of medical data in block chain network realizes the safely controllable of medical data.
As shown in figure 4, according to the medical data sharing method based on block chain of another embodiment of the application, including
Following steps:
Step S410, receives the data acquisition request that the first node in the block chain network is sent, and the data obtain
It includes first key that the second node in the block chain network is distributed to the first node and described for taking in request
The first medical data that the information via the second node that first node is obtained from the block chain network encrypts.
In one embodiment of the application, first node can obtain the first medical treatment from block chain network according to demand
Data, and then the first key for first medical data and the second node distribution that will acquire is uploaded to the shared dress of medical data
It sets, first medical data is decrypted with the first key distributed according to second node.
It should be noted that before this, the second key of the available second node of medical data sharing means and
Then the medical data that two nodes upload is encrypted according to the medical data that the second key pair second node uploads, is obtained
The first above-mentioned medical data and first key, and then first key and the first medical data are returned into second node, for
Second node carries out encryption key distribution, and by first medical data storage into block chain network.
In one embodiment of the application, the second above-mentioned key can be the private key of second node, and first key can
To be the sub-key obtained by threshold secret sharing scheme.Threshold secret sharing scheme is to be divided into the cipher-text information of encryption
N parts of meaningless sub-keys, cipher-text information could be restored by only possessing at least k one's share of expenses for a joint undertaking key, and the safety of data can be improved.
Step S420 is decrypted first medical data by the first key.
Step S430, if being back to the medical data obtained after decryption to the first medical data successful decryption
The first node.
The technical solution of embodiment illustrated in fig. 4 makes medical data sharing means can be realized encryption and decryption to data
Process improves the safety of medical data while guaranteeing to realize that medical data is shared.
As shown in figure 5, according to the medical data sharing method based on block chain of another embodiment of the application, including
Following steps:
Step S510, receives the data acquisition request that the first node in the block chain network is sent, and the data obtain
Taking in request includes first key that the second node in the block chain network is distributed to the first node, and is directed to
The querying condition of first medical data.
In one embodiment of the application, first node can be directed to the transmission of medical data sharing means according to demand
The querying condition of first medical data, and the first key that second node distributes is uploaded to medical data sharing means, so as to
The first medical data is got from block chain network according to the querying condition in medical data sharing means, and is based on the second section
First medical data is decrypted in the first key of point distribution.
It should be noted that before this, the second key of the available second node of medical data sharing means and
Then the medical data that two nodes upload is encrypted according to the medical data that the second key pair second node uploads, is obtained
The first above-mentioned medical data and first key, and then first key and the first medical data are returned into second node, for
Second node carries out encryption key distribution, and by first medical data storage into block chain network.
In one embodiment of the application, the second above-mentioned key can be the private key of second node, and first key can
To be the sub-key obtained by threshold secret sharing scheme.Threshold secret sharing scheme is to be divided into the cipher-text information of encryption
N parts of meaningless sub-keys, cipher-text information could be restored by only possessing at least k one's share of expenses for a joint undertaking key, and the safety of data can be improved.
Step S520 obtains first medical data based on the querying condition from the block chain network, and leads to
The first key is crossed first medical data is decrypted.
Step S530, if being back to the medical data obtained after decryption to the first medical data successful decryption
The first node.
The technical solution of embodiment illustrated in fig. 5 makes medical data sharing means can be realized encryption and decryption to data
Process improves the safety of medical data while guaranteeing to realize that medical data is shared.
As shown in fig. 6, according to the medical data sharing method based on block chain of another embodiment of the application, including
Following steps:
Step S610, if receiving the second medical treatment by second node that the first node in the block chain network is sent
Posting request of the data publication into the block chain network then sends authorization requests to the second node.
Step S620, if receiving the instruction for the confirmation publication that the second node is sent, by the described second medical number
According to being distributed in the block chain network.
In one embodiment of the application, the sending out second medical data of the first node transmission is being received
It, can be by first address of second medical data storage into block chain network when posting request of the cloth into block chain network
In corresponding memory space, which is the address not publicly issued.For example the corresponding memory space in the first address can
Think intermediate account, which only has first node and second node is able to access that, other nodes in block chain network
It cannot access.
In one embodiment of the application, it can be generated according to the public key of the public key of first node and second node
The first address stated.
In one embodiment of the application, when receiving the instruction of confirmation publication of second node transmission, it can incite somebody to action
The medical data being stored in the corresponding memory space in first address is distributed to the second address in the block chain network
In corresponding memory space, second medical data is distributed in the block chain network.Such as second address pair
The memory space answered can be shared account, then the accessible shared account of all nodes in block chain network.
The technical solution of embodiment illustrated in fig. 6 makes second medical treatment of the first node in block chain network by second node
Before data publication is into block chain network, need to get the authorization of second node, ensure that medical data privacy and
Safety.
As shown in fig. 7, according to the medical data sharing method based on block chain of another embodiment of the application, including
Following steps:
Step S710, if receiving the third medical data that the destination node in the block chain network is sent, basis
The third medical data searches the 4th medical data to match with the third medical data from the block chain network.
In one embodiment of the application, which such as can be the illness information of certain patient, and the 4th
Medical data can be the information such as therapeutic scheme associated with patient's illnesses.
4th medical data is sent to the destination node by step S720.
In one embodiment of the application, upload side's information of the 4th medical data can also be sent to described
Destination node；And/or notification message associated with the destination node is sent to the upload side of the 4th medical data.It should
Notification message such as can be that destination node obtains the 4th medical data, the destination node needs to carry out medical help etc. and disappears
Breath.
The technical solution of embodiment illustrated in fig. 7 makes it possible to realize automatically based on the medical data stored in block chain network
The push of medical data utmostly to be promoted the validity for the treatment of using existing medical data, and is mentioned for medical research
It is worth for reference.
As shown in figure 8, according to the medical data sharing method based on block chain of another embodiment of the application, including
Following steps:
Step S810 detects the authenticity of the medical data stored in the block chain network.
There is false medical data in the block chain network if detecting, in the block link network in step S820
The medical data of the falseness is identified in network.
It in this embodiment, can be in block chain by being identified in block chain network to false medical data
Node plays suggesting effect when obtaining data, is propagated in block chain network to avoid false medical data.
In one embodiment of the application, the target block chain node for uploading false medical data can also be determined,
Then the permission that the target block chain node releases news to the block chain network is limited, or by the target block chain node
It is removed from the block chain network, to ensure that the data in block chain network are accurate.
In one embodiment of the application, the block chain node in block chain network is distributed to the block chain network
Include block chain node identification and/or timestamp information in medical data, and then may insure the medical treatment in block chain network
Dates back realizes the safely controllable of medical data.
It is described in detail below in conjunction with specific implementation details of the Fig. 9 to Figure 15 to the technical solution of the embodiment of the present application:
Currently, (rare disease refers to the extremely low disease of disease incidence to especially rare disease, due to disease incidence for major disease
It is extremely low, therefore orphan disease is also known as " orphan's disease "), since the case that each area/mechanism contacts arrive is seldom, controlled
Lack effective reference data when treatment.Based on this, the technical solution of the embodiment of the present application can be made by building block chain network
Each focal pointe easily understands the treatment precedent of disease and the effective therapeutic scheme that can be referred to, and can be mutually beneficial mutual
It helps, by corresponding medical data storage into block chain network as the reference of medical field and research.Meanwhile when in block link network
After sharing medical data in network, due to being no longer limited to a specific social group and limited circle of friends, so that dispersion
Inner circle of people or individual can really link, the effect that realization a little issues Multipoint synchronous, obtains and broadcast simultaneously by all kinds of means
Fruit, and then can ensure farthest to promote the validity of disease treatment, and can be later doctor using medical data
It learns research and reference value is provided.Further, it is also possible to by the way that the medical data in block chain network is compared and is pushed, with
Therapeutic scheme is provided for the same patient for having similar successful case in short period, saves valuable treatment time.
Fig. 9 diagrammatically illustrates the system of the medical data secret sharing based on block chain according to an embodiment of the present application
Block diagram, specifically include that data input platform client 901, management backstage 902, external access layer 903, Business Logic 904,
Block chain accumulation layer 905, service database 906, account management module 907, privacy information authorization module 908, empowerment management mould
Block 909 and intelligently pushing module 910.
Wherein, data input platform client 901 is used to provide the typing service of the relevant informations such as medical data, for example suffers from
Person, medical institutions etc. can realize the typing of medical data by data input platform client 901.
Management backstage 902 is used to monitor and manage the working condition of entire block chain network, specifically, management backstage 902
When the information for detecting certain block chain link point typings is untrue, these nodes can be limited and issue letter into block chain network
These nodes are kicked out of block chain network by breath.
External access layer 903 is for providing API (the Application Programming based on https agreement
Interface, application programming interface) for periphery calling, each platform can also be unified interface with self-built management backstage
Cloud management backstage is accessed, to monitor and manage the working condition of entire block chain.Wherein, the private key of user can upload to private key
Trusteeship service is saved, and mailbox or code extraction can be used when extracting private key for user.
Business Logic 904 is for realizing service logic, for example can provide system interface as shown in table 1 to carry out
Corresponding information processing.
Table 1
Block chain accumulation layer 905 is for constructing block chain network to share medical data.It is specific as shown in Figure 10, node 1,
Node 2, node 3 and node 4 form the common recognition network of block chain, and the number of nodes in the figure is merely illustrative, the application's
Any number of block chain node can be set in other embodiments.Wherein, node 1 can be personal user's node, node 2 can
Be charity node, node 3 can be hospital's node, node 4 can be other medical institutions' nodes etc..
Service database 906 is used for the relevant data of storage service.
Account management module 907 is used to generate account address (such as generation intermediate account address, shared account address etc.),
Specifically, oneself public key and uid can be uploaded to account management module 907 by user, so that account management module 907 generates
Account address.
Privacy information authorization module 908 is for being encrypted, specifically, if patient A will protect personal information
It can be encrypted by privacy information authorization module 908, privacy information authorization module 908 can be based on threshold secret sharing side
Case encrypts information, then returns to N number of sub-key string, and patient A can distribute sub-key string, gets of sub-key string
People or medical institutions can decrypt the privacy information of patient A.Wherein, each block chain node and privacy information authorization module it
Between interactive process it is as shown in figure 11, i.e. encrypted information is distributed in block chain network (information cochain) by patient A, then
Patient B and hospital is authorized to consult by privacy information authorization module 908.
In one embodiment of the application, as shown in figure 12, awarded according to the privacy information of one embodiment of the application
Management process is weighed, is included the following steps:
Step S1201, patient A will need the privacy information encrypted to be sent to privacy information authorization module, by privacy information
Authorization module is encrypted.
Step S1202, after privacy information authorization module encrypts the privacy information of patient A, by encrypted letter
The sub-key string for ceasing and obtaining returns to patient A.Patient A can be distributed to patient B and medical treatment after receiving sub-key string
Mechanism A (merely illustrative).
Encrypted information is distributed in block platform chain by step S1203, patient A.
The information of step S1204, medical institutions A from block platform chain inquiry patient A.
The medical institutions A information inquired is returned to medical institutions A by step S1205, block platform chain.
Step S1206, medical institutions A are decrypted the encrypted information of patient A to the request of privacy information authorization module.
Specifically, the sub-key string that the encrypted information of patient A and patient A of acquisition are distributed can be sent to privacy by medical institutions A
Authorizing information module is decrypted.
Step S1207, privacy information authorization module return to the information after decryption to medical institutions A.
The information of step S1208, medical institutions B from block platform chain inquiry patient A.
The medical institutions B information inquired is returned to medical institutions B by step S1209, block platform chain.
Step S1210, medical institutions B are decrypted the encrypted information of patient A to the request of privacy information authorization module.
Specifically, the encrypted information of patient A of acquisition can be sent to privacy information authorization module to solve by medical institutions B
It is close.
Step S1211, since medical institutions B does not get the sub-key string of patient A distribution, privacy information authorization
Module returns to the prompt information of failure to medical institutions B.
Entitlement management module 909 is for carrying out empowerment management, and specifically, for example medical institutions A needs to issue the letter of patient A
Breath, then needing to obtain the authorization of A.It wherein, can be first by patient A if medical institutions A will issue the information of patient A
Information store the intermediate account into block chain network, intermediate account address is the public affairs of the public key and patient A by medical institutions A
The information of the address that key generates, this intermediate account can only be inquired by medical institutions A and patient A.If patient A authorizes medical institutions
A issues the information of patient A, then can be distributed to the information of patient A in information sharing account by intermediate account, information sharing account
Family is to open to inquire to all users, and then all nodes in block chain network can inquire these information, if account A
It is authorized without signature, then the information of patient A cannot be published, i.e., cannot go in shared account.In the reality of the application
It applies in example, the interactive process between each block chain node and entitlement management module 909 is as shown in figure 13, i.e. entitlement management module
909 are used for authorization of the managing patient A to hospital.
In one embodiment of the application, as shown in figure 14, according to the empowerment management stream of one embodiment of the application
Journey includes the following steps:
Personal information is distributed in block platform chain by step S1401, patient A.
Step S1402, medical institutions A inquire the information of patient A from block platform chain.
The medical institutions A information inquired is returned to medical institutions A by step S1403, block platform chain.
The medical record information of patient A is uploaded to the intermediate account in block platform chain by step S1404, medical institutions A.
Step S1405, block platform chain return to medical institutions A and upload successful feedback information.
Step S1406, block platform chain upload the notification message of its medical record information to patient A notice medical institutions A, need
Obtain the authorization of patient A.
Step S1407, patient A return to the instruction that its medical record information is issued in confirmation to block platform chain.
The medical record information of patient A is distributed to information sharing account from intermediate account by step S1408, block platform chain.
Step S1409, block platform chain return to patient A and issue successful feedback information.
Intelligently pushing module 910 is for carrying out information push, specifically, than if any patient or medical institutions' typing case
After information, intelligently pushing module 910 searches relevant case according to matching rule, feeds back suitable therapeutic scheme and medical treatment out
The information of mechanism and primary physician information etc..
In one embodiment of the application, as shown in figure 15, according to the intelligently pushing stream of one embodiment of the application
Journey includes the following steps:
Personal information is distributed in block platform chain by step S1501, patient A, to seek to treat help.
Step S1502, block platform chain are detected in information warehouse, inquire relevant medical data (such as related diseases
The therapeutic scheme etc. of example).
Step S1503, block platform chain retrieves the treatment successful case that medical institutions A has relevant case, to therapeutic machine
Structure A push requests help.
Step S1504, block platform chain is by the relevant information retrieved (such as information of therapeutic scheme information, medical institutions A
Deng) return to patient A.
In addition, in one embodiment of the application, the personal information of typing, medical institutions' letter in system shown in Fig. 9
The format of breath and medical record information is respectively as shown in table 2, table 3 and table 4.
Table 2
As shown in table 2, personal information may include: unique identification, entry time, personal information, state, description, public key
Etc. each field.
Table 3
As shown in table 3, medical institutions' information may include: unique identification, medical institutions' title, grade, address, state,
Each field such as description, public key.
Table 4
As shown in table 4, medical record information may include: unique identification, patient's unique identification, entry time, case information, shape
Each field such as state, description, public key.
The technical solution of the above embodiments of the present application makes second grade after node publication of the information in block chain network
All nodes in block chain network are passed to, each publication channel can be synchronized to obtain up-to-date information；Due to the record of information
Enter and more new capital is with private key signature and timestamp, therefore the more new historical of entire information can be traced；Simultaneously as any flat
For platform after striving to agree to, the node that can become in block chain is added to whole network (can such as construct alliance's chain network)
In, improve the shared opening of medical data.Further, since the characteristics of decentralization storage of block chain network is utilized,
Therefore data can be prevented to be tampered, effectively realizes the safely controllable of information.
The Installation practice of the application introduced below, can be used for executing in the above embodiments of the present application based on block chain
Medical data sharing method.For undisclosed details in the application Installation practice, please refer to the application it is above-mentioned based on
The embodiment of the medical data sharing method of block chain.
Figure 16 diagrammatically illustrates the medical data sharing means based on block chain of one embodiment according to the application
Block diagram.
Referring to Fig.1 shown in 6, according to the medical data sharing means based on block chain of one embodiment of the application
1600, comprising: construction unit 1601, first acquisition unit 1602 and storage unit 1603.
Wherein, construction unit 1601 is used to the shared side of multiple medical datas constructing block link network as block chain node
Network；First acquisition unit 1602 is used to obtain the medical data that the block chain node in the block chain network uploads；Storage is single
Member 1603 is used for by the medical data storage into the block chain network, to share the doctor in the block chain network
Treat data.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
First receiving unit, for receiving the data acquisition request of the transmission of the first node in the block chain network, the data are obtained
It includes first key that the second node in the block chain network is distributed to the first node and described for taking in request
The first medical data that the information via the second node that first node is obtained from the block chain network encrypts；First
Decryption unit, for first medical data to be decrypted by the first key；First transmission unit, for right
After the first medical data successful decryption, the medical data obtained after decryption is back to the first node.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
Second receiving unit, for receiving the data acquisition request of the transmission of the first node in the block chain network, the data are obtained
Taking in request includes first key that the second node in the block chain network is distributed to the first node, and is directed to
The querying condition of first medical data；Second decryption unit, for being obtained from the block chain network based on the querying condition
First medical data is taken, and first medical data is decrypted by the first key；Second transmission unit,
For after to the first medical data successful decryption, the medical data obtained after decryption to be back to the first segment
Point.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
Second acquisition unit, the medical data that the second key and the second node for obtaining the second node upload；Encryption
Unit, the medical data for being uploaded by second node described in second key pair are encrypted, and first doctor is obtained
Treat data and the first key；Third transmission unit, for returning to the first key and first medical data
The second node, so that the second node carries out encryption key distribution, and by first medical data storage to the block
In chain network.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
4th transmission unit, in the second medical treatment by second node for receiving the first node transmission in the block chain network
When posting request of the data publication into the block chain network, Xiang Suoshu second node sends authorization requests；Release unit is used
In when receiving the instruction for the confirmation publication that the second node is sent, second medical data is distributed to the block
In chain network.
In one embodiment of the application, the storage unit 1603 is also used to: receiving the block chain network
In first node send the posting request when, by second medical data storage into the block chain network the
In the corresponding memory space in one address, first address is the address not publicly issued；If receiving the second node hair
The medical data being stored in the corresponding memory space in first address, then be distributed to by the instruction for the confirmation publication sent
In the corresponding memory space in the second address in the block chain network, second medical data is distributed to the block
In chain network.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
Generation unit, for generating first address according to the public key of the first node and the public key of the second node.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
Searching unit, for when receiving the third medical data that destination node in the block chain network is sent, according to described
Third medical data searches the 4th medical data to match with the third medical data from the block chain network；5th
Transmission unit, for the 4th medical data to be sent to the destination node.
In one embodiment of the application, the 5th transmission unit is also used to: by the upper of the 4th medical data
Biography side's information is sent to the destination node；And/or it is sent and the destination node to the upload side of the 4th medical data
Associated notification message.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
Detection unit, for detecting the authenticity of the medical data stored in the block chain network；Unit is identified, for detecting
When there is false medical data in the block chain network, in the block chain network to the medical data of the falseness into
Line identifier.
In one embodiment of the application, the medical data sharing means 1600 based on block chain further include:
Determination unit, for determining the target block chain node for uploading the medical data of the falseness；Processing unit, it is described for limiting
The permission that target block chain node releases news to the block chain network, or by the target block chain node from the block
It is removed in chain network.
In one embodiment of the application, the block chain node in the block chain network is distributed to the block link network
It include block chain node identification and/or timestamp information in the medical data of network.
It should be noted that although being referred to several modules or list for acting the equipment executed in the above detailed description
Member, but this division is not enforceable.In fact, according to presently filed embodiment, it is above-described two or more
Module or the feature and function of unit can embody in a module or unit.Conversely, an above-described mould
The feature and function of block or unit can be to be embodied by multiple modules or unit with further division.
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can also be realized by software realization in such a way that software is in conjunction with necessary hardware.Therefore, according to the application
The technical solution of embodiment can be embodied in the form of software products, which can store non-volatile at one
Property storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in or network on, including some instructions are so that a calculating
Equipment (can be personal computer, server, touch control terminal or network equipment etc.) is executed according to the application embodiment
Method.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the application
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by following
Claim is pointed out.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (15)
1. a kind of medical data sharing method based on block chain characterized by comprising
First patient will need the privacy information encrypted to be sent to privacy information authorization module, so that the privacy information authorization mould
Block is encrypted；
The privacy information authorization module encrypts the privacy information to obtain encrypted information and sub-key string, and will
The encrypted information and the sub-key string return to first patient；
The encrypted information is distributed in block platform chain by first patient, and the sub-key string has been distributed to
The node of privacy information described in authority acquiring.
2. the medical data sharing method according to claim 1 based on block chain, which is characterized in that further include:
First medical institutions obtain the encrypted information of the first patient publication from the block platform chain, and will be described
The sub-key string of first patient distribution and the encrypted information are sent to the privacy information authorization module；
The sub-key string that the privacy information authorization module is distributed according to first patient carries out the encrypted information
Decryption, the information after being decrypted, and the information after the decryption is returned into first medical institutions.
3. the medical data sharing method according to claim 1 based on block chain, which is characterized in that further include:
Second medical institutions obtain the encrypted information of the first patient publication from the block platform chain, and will be described
Encrypted information is sent to the privacy information authorization module；
The privacy information authorization module is having not been obtained that second medical institutions send by first patient distribution
It when sub-key string, determines to the encrypted information decryption failure, and returns to the prompt of failure to second medical institutions
Information.
4. the medical data sharing method according to claim 1 based on block chain, which is characterized in that further include:
Third medical institutions send the hair that the medical data of the second patient is distributed to the block platform chain to block platform chain
Cloth request；
The block platform chain according to the posting request by the medical data storage of second patient into intermediate account, and
Authorization requests are sent to second patient, the block platform chain refers in the confirmation publication for receiving the second patient return
After order, the medical data of second patient is distributed to the information sharing account of the block platform chain from the intermediate account
In family.
5. the medical data sharing method according to claim 4 based on block chain, which is characterized in that the intermediate account
It is the account generated according to the public key of the third medical institutions and the public key of second patient.
6. the medical data sharing method according to claim 4 based on block chain, which is characterized in that in third therapeutic machine
Before the medical data of second patient is distributed to the posting request of the block platform chain to the transmission of block platform chain by structure, also wrap
It includes:
Second patient issues the information of second patient to the block platform chain；
The information of second patient is inquired from the block platform chain by the third medical institutions；
The information of second patient inquired is returned to the third medical institutions by the block platform chain.
7. the medical data sharing method according to claim 4 based on block chain, which is characterized in that further include:
The medical data of second patient is being distributed to the block chain by the block platform chain from the intermediate account
After in the information sharing account of platform, the second patient of Xiang Suoshu, which returns, issues successful feedback information.
8. the medical data sharing method according to any one of claim 1 to 7 based on block chain, which is characterized in that
Further include:
Third patient issues the medical data of the third patient to the block platform chain；
The block platform chain searches the medical data phase with the third patient according to the medical data of the third patient
The medical data matched, and the medical data to match found is returned into the third patient.
9. a kind of medical data shared system based on block chain, which is characterized in that the medical data shared system includes area
Block platform chain and privacy information authorization module, the block chain node of the block platform chain include first patient's node；
Wherein, the first patient node will need the privacy information encrypted to be sent to the privacy information authorization module, so that
The privacy information authorization module is encrypted；
The privacy information authorization module encrypts the privacy information to obtain encrypted information and sub-key string, and will
The encrypted information and the sub-key string return to the first patient node；
The encrypted information is distributed in block platform chain by the first patient node, and the sub-key string is distributed
To having permission the node for obtaining the privacy information.
10. the medical data shared system according to claim 9 based on block chain, which is characterized in that the block chain
Node further includes first medical institutions' node；
Wherein, first medical institutions node obtains the encryption of the first patient node publication from the block platform chain
Information afterwards, and the sub-key string of the first patient node distribution and the encrypted information are sent to the privacy and believed
Cease authorization module；
The sub-key string that the privacy information authorization module is distributed according to the first patient node is to the encrypted information
It is decrypted, the information after being decrypted, and the information after the decryption is returned into first medical institutions node.
11. the medical data shared system according to claim 9 based on block chain, which is characterized in that the block chain
Node further includes second medical institutions' node；
Wherein, second medical institutions node obtains the encryption of the first patient node publication from the block platform chain
Information afterwards, and the encrypted information is sent to the privacy information authorization module；
Being saved by first patient for second medical institutions node transmission is having not been obtained in the privacy information authorization module
When the sub-key string of point distribution, determine to the encrypted information decryption failure, and returned to second medical institutions node
Return the prompt information of failure.
12. the medical data shared system according to claim 9 based on block chain, which is characterized in that the block chain
Node further includes third medical institutions node and second patient's node；
Wherein, third medical institutions node sends to block platform chain the medical data of second patient's node being distributed to institute
State the posting request of block platform chain；
The block platform chain is according to the posting request by the medical data storage of the second patient node to intermediate account
In, and authorization requests are sent to the second patient node, the block platform chain is returned receiving the second patient node
After the confirmation publication instruction returned, the medical data of the second patient node is distributed to the block from the intermediate account
In the information sharing account of platform chain.
13. the medical data shared system according to claim 12 based on block chain, which is characterized in that in the third
Medical institutions' node sends the hair that the medical data of second patient's node is distributed to the block platform chain to block platform chain
Before cloth request, further includes:
The second patient node issues the information of the second patient node to the block platform chain；
Third medical institutions node inquires the information of the second patient node from the block platform chain；
The information of the second patient node inquired is returned to third medical institutions node by the block platform chain.
14. the medical data shared system according to claim 12 based on block chain, which is characterized in that further include:
The medical data of the second patient node is being distributed to the area by the block platform chain from the intermediate account
After in the information sharing account of block platform chain, Xiang Suoshu the second patient node, which returns, issues successful feedback information.
15. based on the medical data shared system of block chain according to any one of claim 9 to 14, feature exists
In the block chain node further includes third patient's node；
Wherein, the third patient node issues the medical data of the third patient node to the block platform chain；
The block platform chain searches the medical treatment with the third patient node according to the medical data of the third patient node
The medical data that data match, and the medical data to match found is returned into the third patient node.
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| CN201810735589.8A CN108959945B (en) | 2018-07-06 | 2018-07-06 | Medical data sharing method and device, computer readable medium and electronic equipment |
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| CN108959945B (en) | 2020-05-05 |
| CN110472428B (en) | 2021-09-10 |
| CN108959945A (en) | 2018-12-07 |
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