Sharing query method of electronic medical records based on block chain technology

A technology of electronic medical records and query methods, applied in the field of medical information sharing, can solve the problems of user loss, waste of historical medical record information, and users cannot query anytime and anywhere, so as to prevent misinformation or random uploading and protect against illegal attacks , the effect of ensuring safety

Inactive Publication Date: 2018-01-12
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the current electronic medical records are only stored in the archives or reference rooms of various hospitals, and users th...

Method used

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  • Sharing query method of electronic medical records based on block chain technology
  • Sharing query method of electronic medical records based on block chain technology
  • Sharing query method of electronic medical records based on block chain technology

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Embodiment

[0026] like Figure 1 to Figure 3 As shown, the present invention provides a method for sharing and querying electronic medical records based on blockchain technology, which aims to integrate and reuse electronic medical record data, prevent data waste, and facilitate the query of historical electronic medical records by legal nodes. At the same time, judging the changing trend of the user's physical health status provides a basic guarantee for doctors to make an accurate and effective diagnosis plan. Therefore, the specific implementation of the method includes the following steps:

[0027] In the first step, the user node applies to join the blockchain and sends the identity authentication information for user identity verification; if the user node is authenticated legally, it registers its identity information and assigns a pair of secret keys, namely public key and private key, which are used for electronic Encryption of medical record information, and allow user node inf...

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Abstract

The invention discloses a sharing query method of electronic medical records based on block chain technology. The method comprises the following steps: a user node applies to join a block chain and sends identity authentication information, registers the identity information and allocates a pair of keys for encrypting electronic medical record information after legal authentication; meanwhile performing bidirectional verification on the encrypted electronic medical record information, and uploading the electronic medical record information passing the bidirectional verification to the block chain for the sharing query of the whole electronic medical record information; performing SHA256 hash algorithm secondary encryption on the real electronic medical record information by a trusted server to generate a segment of uploaded digital fingerprint of electronic evidence, and adding a corresponding timestamp for preventing electronic medical record tampering or information leakage; and storing the electronic medical records after twice encryption in the sharing query block chain, and uploading the same to the cloud; and providing a key by a remote node for identity proving, obtaining the electronic medical records in the sharing query block chain, and decrypting the electronic medical records by the trusted server.

Description

technical field [0001] The invention relates to the technical field of medical information sharing, in particular to an electronic medical record sharing query method based on block chain technology. Background technique [0002] With the continuous development of technologies such as big data and cloud storage, the requirements for data sharing and query are getting higher and higher. The sharing of electronic medical records and medical information has pushed the medical industry into the era of data sharing. All hospitals use electronic medical records to record the user's medical information, including outpatient medical records, inpatient medical records and some graphic image information. The production process of electronic medical records includes user information collection, transmission, statistical sorting and storage. Electronic medical record information can not only meet the requirements of traditional paper medical records, but also save paper, which is more ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/32G06F19/00
Inventor 刘明哲杨昆杨雅茗何明富蒋鑫柳炳琦
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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