WO2023246400A1 - 一种区块链智慧医疗系统 - Google Patents

一种区块链智慧医疗系统 Download PDF

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WO2023246400A1
WO2023246400A1 PCT/CN2023/095477 CN2023095477W WO2023246400A1 WO 2023246400 A1 WO2023246400 A1 WO 2023246400A1 CN 2023095477 W CN2023095477 W CN 2023095477W WO 2023246400 A1 WO2023246400 A1 WO 2023246400A1
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data
blockchain
layer
node
medical
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French (fr)
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赵杰
何贤英
陈昊天
石金铭
崔芳芳
李陈晨
王文超
陈保站
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郑州大学第一附属医院
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/182—Distributed file systems
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

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  • Blockchain is an accounting technology that is jointly maintained by multiple parties, uses cryptography to ensure transmission and access security, and can achieve consistent storage of data, difficulty in tampering, and placement of denials. It is also called distributed ledger technology.
  • all participating parties will find ways to implement the agreed rules to jointly store information and reach a consensus.
  • the system stores data in blocks.
  • the blocks form a chained data structure in chronological order and combined with cryptographic algorithms.
  • the recording node is selected through the consensus mechanism, and the node determines the data of the latest block. Other nodes jointly participate in the verification, storage and maintenance of the latest block data. Once the data is confirmed, it is difficult to delete and change, and only authorized query operations can be performed.
  • the purpose of this invention is to provide a blockchain smart medical system, which solves the problem of distributed medical data storage and data privacy protection through blockchain, and realizes the security of medical data. Technical issues of access control and trusted sharing.
  • a blockchain smart medical system including an application layer, a data governance layer, a blockchain infrastructure layer and a node layer, an application layer, a data governance layer, a blockchain foundation
  • the facility layer and node layer communicate with each other through the Internet;
  • the node layer includes the underlying node servers of each hospital, regulatory agency or external node;
  • the blockchain infrastructure layer is a distributed network layer, including the medical alliance chain network and distributed file storage network;
  • the data governance layer includes a data governance platform based on the infrastructure layer, which is used for secure access control and trusted sharing of medical data within the node organization.
  • the blockchain infrastructure layer manages the network of the infrastructure layer based on the blockchain cloud service platform BaaS.
  • the facility data management platform includes a data collection system for collecting hospital subject data, a certificate storage system for collecting and storing medical certificates, a security access control system for secure access to data, and a system for identifying personnel involved in medical events.
  • a distributed identity system for identity for identity.
  • the underlying node server obtains the underlying resources of the node where it is located, and serves as a blockchain network node to provide underlying support for the upper layer.
  • both the blockchain infrastructure layer and the node layer use the Zig-Ledger permissioned chain network for underlying blockchain communication.
  • the data governance platform provides full life cycle services, and uses the blockchain network to build a unified data standard process, data standard construction, data update mechanism, secure data sharing and security for multi-party collaboration between different departments of the hospital and different hospital entities.
  • Data access control services are provided.
  • the full life cycle services include hospital subject data collection, transmission, certificate storage, access control, transactions, privacy protection, and security sharing and supervision.
  • the distributed identity system includes a distributed identity DID management system, a verifiable statement VC management system and a control server platform.
  • the distributed identity DID management system is used to provide identity authentication for hospitals, doctors and patients. Functional interfaces for adding, canceling, modifying and querying, and verifiable claims.
  • the VC management system is used to generate medical data based on the identity authentication of hospitals, doctors and patients, and provides functional interfaces for adding, canceling, modifying and querying medical data.
  • the data collection system is used to perform data hash calculation on the collected hospital subject data, and then upload the data or data hash to the certificate storage system through the blockchain oracle for certificate storage, and provide data query. Serve.
  • the blockchain smart medical system of the present invention solves the technical problems of realizing distributed medical data storage and data privacy protection through blockchain, and realizing safe access control and trusted sharing of medical data.
  • the invention is The distributed application and collaboration of telemedicine provide underlying support and improve the efficiency of telemedicine.
  • Figure 1 is a system architecture diagram of the present invention.
  • a blockchain smart medical system shown in Figure 1 includes an application layer, a data governance layer, a blockchain infrastructure layer and a node layer.
  • the application layer, data governance layer, blockchain infrastructure layer and node layer are communicate with each other through the Internet;
  • the node layer includes the underlying node servers of each hospital, regulatory agency or external node;
  • the blockchain infrastructure layer is a distributed network layer, including the medical alliance chain network and distributed file storage network;
  • the data governance layer includes a data governance platform based on the infrastructure layer, which is used for secure access control and trusted sharing of medical data within the node organization.
  • the blockchain infrastructure layer manages the infrastructure layer network based on the blockchain cloud service platform BaaS, including creation, expansion, monitoring, service deployment and invocation, etc.
  • the facility data governance platform includes a data collection system for collecting hospital subject data, a certificate storage system for collecting and storing medical certificates, a secure access control system for secure access to data, and a distribution system for identifying people involved in medical events.
  • the facility data management platform implements secure access control of medical data within the scope of the node organization. control and trusted sharing.
  • Zig-Ledger permission chain network is based on the commercial-grade consortium chain bottom layer and supporting tool set of Hyperledger Fabric1.x. It is an existing technology, so it will not be described in detail.
  • the data governance platform provides full life cycle services and uses the blockchain network to build data standard processes, data standard construction, data update mechanisms, secure data sharing and secure data access control that unify different departments of the hospital and multi-party collaboration between different hospital entities. services.
  • the full life cycle services include hospital subject data collection, transmission, certificate storage, access control, transactions, privacy protection and security sharing and supervision.
  • the distributed identity identification system includes a distributed identity identification DID management system, a verifiable statement VC management system and a control server platform.
  • the distributed identity identification DID management system is used to provide new additions and cancellations of identity authentication for hospitals, doctors and patients.
  • modification and query functional interface, verifiable statement VC management system is used to generate medical data based on the identity authentication of hospitals, doctors and patients, and provides functional interfaces for adding, canceling, modifying and querying medical data.
  • permission rule management sets what type of personnel can access what type of data.
  • the blockchain smart medical system of the present invention solves the technical problems of realizing distributed medical data storage and data privacy protection through blockchain, and realizing safe access control and trusted sharing of medical data.
  • the invention is The distributed application and collaboration of telemedicine provide underlying support and improve the efficiency of telemedicine.

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Abstract

本发明公开了一种区块链智慧医疗系统，属于区块链技术领域，包括应用层、数据治理层、区块链基础设施层和节点层，解决了通过区块链实现分布式的医疗数据存储与数据隐私保护，实现医疗数据的安全访问控制和可信共享的技术问题，本发明为远程医疗的分布式应用和协同提供了底层支撑，提高了远程医疗的效率。

Description

一种区块链智慧医疗系统 技术领域
本发明属于区块链技术领域，尤其涉及一种区块链智慧医疗系统。
背景技术
目前在医疗系统中，医院之间存在严重的数据孤岛问题，在持续推进医院信息化建设的背景下，暴露出无法实现数据标准化、数据安全与监管、数据协同等问题，而采用传统的互联网系统架构不能解决以上问题。
区块链是一种多方共同维护，使用密码学保证传输和访问安全，能够实现数据一致存储、难以篡改、放置抵赖的记账技术，也称为分布式账本技术，典型的区块链系统中，各参与方咱找实现约定的规则共同存储信息并达成共识。为了防止共识篡改，系统以区块为单位存储数据，区块之间按照时间顺序、结合密码学算法构成链式数据结构，通过共识机制选出记录节点，由该节点决定最新区块的数据，其他节点共同参与最新区块数据的验证、存储和维护，数据一经确认，就难以删除和更改，只能进行授权查询操作。
如何将区块链与医疗系统结合在一起是目前医疗系统中面临的重大难题。
发明内容
本发明的目的是提供一种区块链智慧医疗系统，解决了通过区块链实现分布式的医疗数据存储与数据隐私保护，实现医疗数据的安全 访问控制和可信共享的技术问题。
为实现上述目的，本发明采用如下技术方案：一种区块链智慧医疗系统，包括应用层、数据治理层、区块链基础设施层和节点层，应用层、数据治理层、区块链基础设施层和节点层之间通过互联网相互通信；
在应用层搭建应用客户端，应用客户端用于实现应用层的业务服务器；
节点层包括各个医院、监管机构或外部节点的底层节点服务器；
区块链基础设施层为分布式网络层，包括医疗联盟链网络和分布式文件存储网络；
数据治理层包括基于基础设施层搭建的数据治理平台，用于医疗数据在节点组织范围内的安全访问控制和可信共享。
优选的，区块链基础设施层基于区块链云服务平台BaaS对基础设施层的网络进行管理。
优选的，设施数据治理平台包括用于采集医院主体数据的数据采集系统、用于采集和存储医疗证明的存证系统、用于数据安全访问的安全访问控制系统和用于标识参与医疗事件人员的身份的分布式身份标识系统。
优选的，所述底层节点服务器获取所在节点的底层资源，并作为区块链网络节点，为上层提供底层支持。
优选的，区块链基础设施层和节点层均采用Zig-Ledger许可链网络进行区块链底层通信。
优选的，数据治理平台提供全生命周期服务，并通过区块链网络构建统一医院不同部门以及不同医院主体之间的多方协作的数据标准流程、数据标准构建、数据更新机制、安全数据共享和安全数据访问控制的服务。
优选的，所述全生命周期服务包括医院主体数据采集、传输、存证、访问控制、交易、隐私保护和安全共享与监管。
优选的，所述分布式身份标识系统包括分布式身份标识DI D管理系统、可验证声明VC管理系统和控制服务器平台，分布式身份标识DID管理系统用于提供医院、医生和病人的身份认证的新增、注销、修改和查询的功能接口，可验证声明VC管理系统用于根据医院、医生和病人的身份认证生成医疗数据，并提供医疗数据的新增、注销、修改和查询的功能接口。
优选的，数据采集系统用于对采集到的医院主体数据进行数据哈希计算后，再通过区块链预言机，将数据或数据哈希上链到存证系统进行存证，并提供数据查询服务。
优选的，安全访问控制系统对数据文件的权限、人员权限和权限规则进行管理，并提供设置权限服务，同时通过智能合约判断数据能否提供访问，并相应的提供数据访问接口。
本发明所述的一种区块链智慧医疗系统，解决了通过区块链实现分布式的医疗数据存储与数据隐私保护，实现医疗数据的安全访问控制和可信共享的技术问题，本发明为远程医疗的分布式应用和协同提供了底层支撑，提高了远程医疗的效率。
附图说明
图1是本发明的系统架构图。
具体实施方式
由图1所示的一种区块链智慧医疗系统，包括应用层、数据治理层、区块链基础设施层和节点层，应用层、数据治理层、区块链基础设施层和节点层之间通过互联网相互通信；
在应用层搭建应用客户端，应用客户端用于实现应用层的业务服务器；
本实施例中，应用客户端可以对接医院内系统数据，实现应用层的业务落地，如远程医疗数据交互平台等，其实现的功能包括医疗数据链上存证、分布式的电子病历存储、医疗自动报销等。
节点层包括各个医院、监管机构或外部节点的底层节点服务器；
区块链基础设施层为分布式网络层，包括医疗联盟链网络和分布式文件存储网络；
数据治理层包括基于基础设施层搭建的数据治理平台，用于医疗数据在节点组织范围内的安全访问控制和可信共享。
区块链基础设施层基于区块链云服务平台BaaS对基础设施层的网络进行管理，包括创建、扩容、监控、服务部署与调用等。
设施数据治理平台包括用于采集医院主体数据的数据采集系统、用于采集和存储医疗证明的存证系统、用于数据安全访问的安全访问控制系统和用于标识参与医疗事件人员的身份的分布式身份标识系统，设施数据治理平台实现医疗数据在节点组织范围内的安全访问控 制与可信共享。
所述底层节点服务器获取所在节点的底层资源，并作为区块链网络节点，为上层提供底层支持。本实施例中，节点层包括区块链网络的底层节点组织，一般为大医院、集成医院、监管机构或外部节点，每一个组织提供各自的底层资源作为区块链网络节点，底层节点服务器部署在各个底层节点组织内，用于采集底层资源。
区块链基础设施层和节点层均采用Zig-Ledger许可链网络进行区块链底层通信。Zig-Ledger许可链网络基于Hyperledger Fabric1.x的商用级联盟链底层及配套工具集，为现有技术，故不详细叙述。
数据治理平台提供全生命周期服务，并通过区块链网络构建统一医院不同部门以及不同医院主体之间的多方协作的数据标准流程、数据标准构建、数据更新机制、安全数据共享和安全数据访问控制的服务。
所述全生命周期服务包括医院主体数据采集、传输、存证、访问控制、交易、隐私保护和安全共享与监管。
所述分布式身份标识系统包括分布式身份标识DID管理系统、可验证声明VC管理系统和控制服务器平台，分布式身份标识DID管理系统用于提供医院、医生和病人的身份认证的新增、注销、修改和查询的功能接口，可验证声明VC管理系统用于根据医院、医生和病人的身份认证生成医疗数据，并提供医疗数据的新增、注销、修改和查询的功能接口。
数据采集系统用于对采集到的医院主体数据进行数据哈希计算 后，再通过区块链预言机，将数据或数据哈希上链到存证系统进行存证，并提供数据查询服务。
安全访问控制系统对数据文件的权限、人员权限和权限规则进行管理，并提供设置权限服务，同时通过智能合约判断数据能否提供访问，并相应的提供数据访问接口。
本实施例中，权限规则管理为设置什么类型的人员访问什么类型的数据。
本发明所述的一种区块链智慧医疗系统，解决了通过区块链实现分布式的医疗数据存储与数据隐私保护，实现医疗数据的安全访问控制和可信共享的技术问题，本发明为远程医疗的分布式应用和协同提供了底层支撑，提高了远程医疗的效率。

Claims (10)

  1. 一种区块链智慧医疗系统，其特征在于：包括应用层、数据治理层、区块链基础设施层和节点层，应用层、数据治理层、区块链基础设施层和节点层之间通过互联网相互通信；
    在应用层搭建应用客户端，应用客户端用于实现应用层的业务服务器；
    节点层包括各个医院、监管机构或外部节点的底层节点服务器；
    区块链基础设施层为分布式网络层，包括医疗联盟链网络和分布式文件存储网络；
    数据治理层包括基于基础设施层搭建的数据治理平台，用于医疗数据在节点组织范围内的安全访问控制和可信共享。
  2. 如权利要求1所述的一种区块链智慧医疗系统，其特征在于：区块链基础设施层基于区块链云服务平台BaaS对基础设施层的网络进行管理。
  3. 如权利要求1所述的一种区块链智慧医疗系统，其特征在于：设施数据治理平台包括用于采集医院主体数据的数据采集系统、用于采集和存储医疗证明的存证系统、用于数据安全访问的安全访问控制系统和用于标识参与医疗事件人员的身份的分布式身份标识系统。
  4. 如权利要求1所述的一种区块链智慧医疗系统，其特征在于：所述底层节点服务器获取所在节点的底层资源，并作为区块链网络节点，为上层提供底层支持。
  5. 如权利要求1所述的一种区块链智慧医疗系统，其特征在于： 区块链基础设施层和节点层均采用Zig-Ledger许可链网络进行区块链底层通信。
  6. 如权利要求1所述的一种区块链智慧医疗系统，其特征在于：数据治理平台提供全生命周期服务，并通过区块链网络构建统一医院不同部门以及不同医院主体之间的多方协作的数据标准流程、数据标准构建、数据更新机制、安全数据共享和安全数据访问控制的服务。
  7. 如权利要求1所述的一种区块链智慧医疗系统，其特征在于：所述全生命周期服务包括医院主体数据采集、传输、存证、访问控制、交易、隐私保护和安全共享与监管。
  8. 如权利要求3所述的一种区块链智慧医疗系统，其特征在于：所述分布式身份标识系统包括分布式身份标识DID管理系统、可验证声明VC管理系统和控制服务器平台，分布式身份标识DID管理系统用于提供医院、医生和病人的身份认证的新增、注销、修改和查询的功能接口，可验证声明VC管理系统用于根据医院、医生和病人的身份认证生成医疗数据，并提供医疗数据的新增、注销、修改和查询的功能接口。
  9. 如权利要求3所述的一种区块链智慧医疗系统，其特征在于：数据采集系统用于对采集到的医院主体数据进行数据哈希计算后，再通过区块链预言机，将数据或数据哈希上链到存证系统进行存证，并提供数据查询服务。
  10. 如权利要求3所述的一种区块链智慧医疗系统，其特征在于：安全访问控制系统对数据文件的权限、人员权限和权限规则进行管 理，并提供设置权限服务，同时通过智能合约判断数据能否提供访问，并相应的提供数据访问接口。
PCT/CN2023/095477 2022-06-24 2023-05-22 一种区块链智慧医疗系统 WO2023246400A1 (zh)

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