CN110289056A - A kind of medical data shared system and method based on block chain - Google Patents
A kind of medical data shared system and method based on block chain Download PDFInfo
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- CN110289056A CN110289056A CN201910404638.4A CN201910404638A CN110289056A CN 110289056 A CN110289056 A CN 110289056A CN 201910404638 A CN201910404638 A CN 201910404638A CN 110289056 A CN110289056 A CN 110289056A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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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
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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
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
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Abstract
The invention discloses a kind of medical data sharing methods based on block chain, this method comprises: the medical data owner, authorization uploads Personal medical data under the premise of desensitizing to private data；By the format of standard protocol layer uniform data data are written based on block chain intelligence contract standardized data, and store into block catenary system in the custodian of each medical institutions and hospital as data；By block chain establish medical industry ecological data share intercommunication mechanism, be added block chain allied member's equal rights shared data get through after equity；User's medical data of unified standardization is externally provided, the agency node on block chain realizes comprehensive data intercommunication, ensure that the effective use and secret protection of medical data.
Description
Technical field
The present invention relates to block chain technology more particularly to a kind of medical data shared systems and method based on block chain.
Background technique
Currently with the popularization of Hospital Electronic Medical Record, hospital has accumulated the medical treatment & health data of a large amount of patients, these medical treatment
Health data contains huge value.So medical treatment & health data share exchange platform has been set up in many local governments, collect
A large amount of medical treatment & health data.With the appearance of " network security method ", user's medical treatment & health file data belongs to the hidden of user
Private data, how to ensure medical treatment achieve data authenticity and integrity, how to ensure medical data exchange be all by with
Confidentiality that is family authorization and how ensuring data in data exchange process is current technical problem urgently to be solved.
Block chain technology block chain is substantially the database of a decentralization, is Distributed Storage, point-to-point
The new application mode of the computer technologies such as transmission, common recognition mechanism, Encryption Algorithm.For narrow sense, block chain be it is a kind of according to when
Between sequence by data block a kind of in such a way that sequence is connected linked data structure for being combined into, and guaranteed in a manner of cryptography
The distributed account book that can not be distorted and can not forge.Broadly, block chain technology is verified using block linked data structure
Algorithm know together with storing data, using distributed node to generate and more new data, guarantee that in the way of cryptography, data pass
Defeated and access safety is programmed using the intelligent contract being made of automatized script code and one kind of operation data is completely new
Distributed basis framework and calculation paradigm.The data stored on block chain need to be safeguarded jointly by the whole network node, can effectively exist
Lack and transmits value between the node trusted.
Compared to existing distributed data base technique, block chain is had the following characteristics that
1) decentralization
Traditional distributed data base, is chiefly used in calamity for scene, such as the three center framework of two places of financial institution, substantially according to
It is so the system of centralization.In contrast, block chain non-stop layer node, each node is owned by complete Transaction Information, any
The write-in of data requires to obtain the agreement of most of nodes.
2) it can not distort
Block chain uses Linked Storage Structure, and the chain that the ever-increasing block of maintenance one is constituted can only add new block
And data cannot be deleted or modified, that is, the Transaction Information having occurred and that can not be distorted.
3) secret protection
Ensure that process of exchange can not be denied and be destroyed by cryptography mechanism, and protects the privacy of user information and record
Property.
Decentralization, trackability based on the above block chain, can not the technical characteristics such as tamper make it in data sharing
System is naturally adapted to, and can be realized the secret protection of medical sensitive data, the data sharing of permission level control, individual subscriber letter
The functional characteristics such as the anti-leak of breath.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of medical data shared system and method based on block chain,
Using block chain technology, each insurance company and medical institutions are docked by standard agreement, pass through block chain bottom intelligence contract
Medical data low threshold is uniformly uploaded to medical data shared system, while ensuring that medical treatment & health data are hidden in exchange process
The confidentiality of private data；Using block chain multi-level encryption technology to by the clinical data of hospital and research institution data need
The privacy information of patient is shared but not exposed between the side of asking.
The specific technical solution of the present invention is as follows: a kind of medical data sharing method based on block chain, including walks as follows
It is rapid:
(1) obtain the medical data of data owner: the medical data owner arrives personal identity documents information preservation
Block chain medical data shared system after completing real name registration, uploads personal private key, carries out to individual's production medical data information
Ciphering signature, agreement license to either other medical institutions, hospital and share its medical data；Data producer and custodian use
The public key of the medical data owner encrypts medical data to it and is decrypted, and uploads medical data to block chain shared system, is
The Hash that system returns to upload information deposits card to user, uniquely deposits card as information.After follow-up distorts risk, use
Family can the information on hash value and block chain carry out Hash comparison, verify the authenticity of data.It successfully can verify that number if verifying
According to authenticity.
(2) system authorization and the medical institutions or insurance company of certification, pharmaceutical factory and research institution data sharing process: are obtained
Data and downloading data are checked in the medical data shared system based on block chain by having permission.The insurance company can check
Medical data user is based on medical data and carries out precisely price and efficiently Claims Resolution.System opens the identity information sum number of patient to it
According to processing result, specific medical detailed data is not opened to it；User name and passport NO. are handled by coding encrypting, are prevented
Privacy of user exposure.
The pharmaceutical factory and research institution can check the medical data after the desensitization in medical data shared system, system not to
The authentication information of its public data owner, its medical related data of open patient.
Above all of data disclose and share that need data be to have requestor to send data to check request to medical data
Data-sharing systems, medical data data-sharing systems push request message to data owner, and data owner, which authorizes, to be used in combination
After personal private key is signed, encrypted medical data is pushed to data requester by medical data data-sharing systems, is asked
The person of asking is decrypted it with public key and checks actual information.
Further, in the step (1), the data of acquisition include voucher sequence number, public key, user name, passport NO.
And the public key in medical data shared system；Wherein, user name and passport NO. are handled by coding encrypting, prevent user
Privacy exposure.
Further, in the step (2), all information uses step, and the block platform chain of bottom is pushed away using message
Applicable room application layer services PUSH message of the form sent to data.
The beneficial effects of the present invention are: passing through the format of standard protocol layer uniform data, it is based on block chain intelligence contract mark
Data are written in standardization data, and store into block catenary system；Medical industry ecological data, which is established, by block chain shares intercommunication
Mechanism, be added block chain allied member's equal rights shared data get through after equity；The user doctor of unified standardization is externally provided
Data are treated, the agency node on block chain realizes comprehensive data intercommunication, ensure that the effective use and secret protection of medical data.
Detailed description of the invention
Attached drawing 1 is the flow diagram of the medical data shared system based on block chain；
Attached drawing 2 is the system architecture diagram of the medical data shared system based on block chain；
Attached drawing 3 is the block chain architecture diagram of the medical data shared system based on block chain.
Specific embodiment
The technical problem to be solved in the present invention be how to realize the authenticity of medical treatment & health data, medical treatment & health data it is hidden
How the confidentiality of private protection and data exchange process realizes that data can check result but not expose data source side
Privacy information.Using block chain technology to data owners' open standard interfaces such as each medical institutions, medical data is stored, it is real
Existing data can not distort；Carry out permission control by block chain, into system other medical institutions or insurance company, pharmaceutical factory and
What the open medical data of the user of the data such as research institution was shared checks the permissions such as permission and data acquisition；It is based on system simultaneously
Big data, expand traditional medical insurance, realize service extension, provide data analysis, data processing, data-privacy protection etc. take
Business；
Referring to Figure of description and specific embodiment to a kind of medical data shared system based on block chain of the invention
It is described in detail below with method.
A kind of medical data sharing method based on block chain, includes the following steps:
(1) obtain the medical data of data owner: the medical data owner arrives personal identity documents information preservation
Block chain medical data shared system after completing real name registration, uploads personal private key, carries out to individual's production medical data information
Ciphering signature, agreement license to either other medical institutions, hospital and share its medical data；Data producer and custodian use
The public key of the medical data owner encrypts medical data to it and is decrypted, and uploads medical data to block chain shared system, is
The Hash that system returns to upload information deposits card to user, uniquely deposits card as information.After follow-up distorts risk, use
Family can the information on hash value and block chain carry out Hash comparison, verify the authenticity of data.It successfully can verify that number if verifying
According to authenticity.
(2) system authorization and the medical institutions or insurance company of certification, pharmaceutical factory and research aircraft data sharing process: are obtained
Structure, which will have permission, checks data and downloading data in the medical data shared system based on block chain.The insurance company can look into
See that medical data user is based on medical data and carries out precisely price and efficiently Claims Resolution.System to its open patient identity information and
Data processed result does not open specific medical detailed data to it；User name and passport NO. are handled by coding encrypting, are prevented
Only privacy of user exposure.
The pharmaceutical factory and research institution can check the medical data after the desensitization in medical data shared system, system not to
The authentication information of its public data owner, its medical related data of open patient.
Above all of data disclose and share that need data be to have requestor to send data to check request to medical data
Data-sharing systems, medical data data-sharing systems push request message to data owner, and data owner, which authorizes, to be used in combination
After personal private key is signed, encrypted medical data is pushed to data requester by medical data data-sharing systems, is asked
The person of asking is decrypted it with public key and checks actual information.
Further, in the step (1), the data of acquisition include voucher sequence number, public key, user name, passport NO.
And the public key in medical data shared system；Wherein, user name and passport NO. are handled by coding encrypting, prevent user
Privacy exposure.
Further, in the step (2), all information uses step, and the block platform chain of bottom is pushed away using message
Applicable room application layer services PUSH message of the form sent to data.
By medical data shared system, insurance company obtains from block chain obtains true patient's information, real
It is now straight to pay for, pay for fastly, the processing cost of Claims Resolution is reduced, customer experience is promoted
By the state of an illness situation of medical data shared system real-time tracking user, realize that the clinical data of new drug development is total
It enjoys, is shared the clinical data of hospital and research institution by block chain technology, pharmacy corporation uses data, scientific research with compensation
Personnel obtain reasearch funds excitation.
Claims (3)
1. a kind of medical data sharing method based on block chain, which comprises the steps of:
(1) obtain the medical data of data owner: the medical data owner is by personal identity documents information preservation to block
Chain medical data shared system after completing real name registration, uploads personal private key, encrypts to individual's production medical data information
Signature, agreement license to either other medical institutions, hospital and share its medical data；Data producer and custodian's medical treatment
The public key of data owner encrypts medical data to it and is decrypted, and uploads medical data to block chain shared system, system is returned
The Hash for returning upload information deposits card to user, uniquely deposits card as information.After follow-up distorts risk, Yong Huke
Information on hash value and block chain carries out Hash comparison, verifies the authenticity of data.It successfully can verify data if verifying
Authenticity.
(2) data sharing process: the medical institutions or insurance company of system authorization and certification are obtained, pharmaceutical factory and research institution will have
Permission checks data and downloading data in the medical data shared system based on block chain.The insurance company can check medical treatment
Data user is based on medical data and carries out precisely price and efficiently Claims Resolution.System opens at the identity information and data of patient to it
Reason to it as a result, do not open specific medical detailed data；User name and passport NO. are handled by coding encrypting, prevent user
Privacy exposure.
The pharmaceutical factory and research institution can check the medical data after the desensitization in medical data shared system, system not Xiang Qigong
The authentication information of data owner is opened, only its medical related data of open patient.
Above all of data disclose and share that need data be to have requestor to send data to check request to medical data data
Shared system, medical data data-sharing systems push request message to data owner, and data owner authorizes and uses individual
After private key is signed, encrypted medical data is pushed to data requester, requestor by medical data data-sharing systems
It is decrypted with public key and checks actual information.
2. a kind of medical data sharing method based on block chain according to claim 1, which is characterized in that the step
(1) in, the data of acquisition include voucher sequence number, public key, user name, passport NO. and in medical data shared system
Public key；Wherein, user name and passport NO. are handled by coding encrypting, prevent privacy of user exposure.
3. a kind of medical data sharing method based on block chain according to claim 1, which is characterized in that the step
(2) in, all information uses step, applicable room application of the block platform chain of bottom using the form of message push to data
Layer service PUSH message.
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Cited By (22)
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| CN110797099A (en) * | 2019-10-28 | 2020-02-14 | 河北北方学院 | Medical data sharing method and system based on block chain |
| CN111106941A (en) * | 2019-11-29 | 2020-05-05 | 中国电信股份有限公司云南分公司 | Distributed chained data sharing authorization method based on time sequence and encryption |
| CN111179067A (en) * | 2019-12-31 | 2020-05-19 | 杭州趣链科技有限公司 | Block chain-based customer information exchange system between banks |
| CN111294210A (en) * | 2020-01-22 | 2020-06-16 | 腾讯科技（深圳）有限公司 | Medical information management method and related equipment |
| CN111312378A (en) * | 2020-02-17 | 2020-06-19 | 吉林大学 | Paid sharing method for medical information based on block chain |
| CN111666345A (en) * | 2020-06-29 | 2020-09-15 | 深圳技术大学 | Financial derivative transaction information sharing method, distributed system and electronic terminal |
| CN111768824A (en) * | 2020-06-23 | 2020-10-13 | 中国工商银行股份有限公司 | Health information auxiliary medical treatment method, node and system based on block chain |
| CN111881481A (en) * | 2020-08-05 | 2020-11-03 | 杭州翔毅科技有限公司 | Block chain-based medical data processing method, device, equipment and storage medium |
| CN111986764A (en) * | 2020-09-03 | 2020-11-24 | 平安国际智慧城市科技股份有限公司 | Block chain-based medical data sharing method and device, terminal and storage medium |
| CN112380543A (en) * | 2020-10-23 | 2021-02-19 | 重庆大学 | Electronic medical data privacy protection and safety sharing system based on block chain |
| CN112597545A (en) * | 2020-12-28 | 2021-04-02 | 山西云时代研发创新中心有限公司 | Medical electronic contract evidence storing method based on block chain technology |
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| CN111666345A (en) * | 2020-06-29 | 2020-09-15 | 深圳技术大学 | Financial derivative transaction information sharing method, distributed system and electronic terminal |
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| CN111986764A (en) * | 2020-09-03 | 2020-11-24 | 平安国际智慧城市科技股份有限公司 | Block chain-based medical data sharing method and device, terminal and storage medium |
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| CN112597545B (en) * | 2020-12-28 | 2024-04-12 | 山西云时代研发创新中心有限公司 | Medical electronic contract evidence-preserving method based on blockchain technology |
| CN112669921A (en) * | 2020-12-29 | 2021-04-16 | 航天科工网络信息发展有限公司 | Medical data management method for realizing safety privacy |
| CN112883411A (en) * | 2020-12-29 | 2021-06-01 | 杭州趣链科技有限公司 | Data processing method and system based on block chain, electronic device and storage medium |
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| CN113890891A (en) * | 2021-10-11 | 2022-01-04 | 国网电子商务有限公司 | Data sharing interaction method and device of energy cloud network |
| CN113886499A (en) * | 2021-10-19 | 2022-01-04 | 赛维森(广州)医疗科技服务有限公司 | Patch chain based pathological data sharing method, sharing system and computing device |
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| CN114866288A (en) * | 2022-04-12 | 2022-08-05 | 平安国际智慧城市科技股份有限公司 | Private information protection method and device based on block chain and storage medium |
| CN116978502A (en) * | 2023-06-21 | 2023-10-31 | 中山大学肿瘤防治中心（中山大学附属肿瘤医院、中山大学肿瘤研究所） | Blockchain-based paperless examination and approval method, system and storage medium for clinical trial |
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