CN207216621U

CN207216621U - A kind of medical data tamper resistant device based on block chain technology

Info

Publication number: CN207216621U
Application number: CN201721197778.1U
Authority: CN
Inventors: 张磊; 熊志海; 王志刚; 汪振林; 徐丽娟; 张警予
Original assignee: Chongqing University of Post and Telecommunications
Current assignee: Chongqing University of Post and Telecommunications
Priority date: 2017-09-19
Filing date: 2017-09-19
Publication date: 2018-04-10
Anticipated expiration: 2027-09-19

Abstract

The utility model discloses a kind of medical data tamper resistant device based on block chain technology, including information collection module to carry out corresponding data input processing to different types of information after classification；Whether the certification inputted by Authority Verification checked operation personnel instructs correct；By the default block chain interface of data memory module, receive information command；Carry out ensuing data mart modeling；Data mart modeling module can be respectively written into its affiliated block according to the fixed length and significance level attribute of information；The packing category information of combination producing two simultaneously connects medical data output port respectively, sends the instruction that case history is browsed, prints or exported as desired.The utility model can effectively mitigate the working strength of medical personnel, ensure the true, credible of medical data, there is the function of preventing from illegally distorting medical data, it is safe, Fundamentals of Law are provided to mitigate the tight relationship between doctors and patients, and then promote the development of whole Medical Informalization.

Description

A kind of medical data tamper resistant device based on block chain technology

Technical field

The utility model belongs to medical data field, more particularly to a kind of medical data based on block chain technology is anti-tamper Device.

Background technology

Medical data is having of being formed after collecting, arrange, process of medical personnel, managing medical information personnel Logicality, science, the medical document of authenticity, it is the true record to the whole medical treatment process curative activity of patient.Therefore, cure It is quality of medical care, technical merit, the foundation of managerial skills overall merit to treat data, is the first of the teaching and scientific research of medical science Hand data；Once producing medical tangle and accident, medical data is to solve medical tangle, carry out medical-accident appraisal, judge again Causal important evidence between medical personnel's mistake and curative activity and Factual Damage.

Corpsman,hospital, it is necessary to carry university degree file to preserve conventional patient history, carries during making the rounds of the wards Inconvenience and papery is not easy to maintain is easily stained, while also bring substantial amounts of memory to bear to staff.At present, most of the country The information-based medical data of hospital is also all that such method is simultaneously come the relevant information of medical data using the field value of database It cannot be guaranteed that the validity of medical data, security and non-repudiation, so being typically all the medical number finally submitted According to final version print, have physician identification signature after send Record room to preserve again, with prevent medical tangle occur after put to the proof It is ineffective and bring himself into passive position.

With the development of Internet technology, block chain technology is arisen at the historic moment, and this is a kind of internet database technology, is had Decentralization, it is open and clear the characteristics of.Specifically, the essence of block chain technology is decentralization and resides in the volume of distributed frame The method of data storage, transmission and proof, substitute dependence of the current internet to central server with data block so that all The change of data or trading item are all recorded on a cloud system.Data operation, management is greatly improved, safeguards effect Rate, while the block chain for carrying asymmetric encryption techniques possesses high security, can effectively prevent leaking data or illegally distort.On The feature of stating causes block chain technology particularly suitable for the big data computing field with highly confidential requirement.At present, block Chain technology has caused the highest attention of financial institution, national governments and capital market, how effectively by block chain technology It is effectively combined with medical data, so as to prevent illegally distorting medical data, ensures true, the credible tool of medical data There is long-range Research Significance.

The content of the invention

Based on above-mentioned, the utility model provides a kind of medical data tamper resistant device based on block chain technology, will cure Treat data effectively combine with region block chaining, it is ensured that medical data it is true, credible, have prevent illegally Distort the function of medical data.

The utility model embodiment provides a kind of medical data tamper resistant device based on block chain technology, including：

Information collection module, described information collection module, collect the information from information source and collect, according to the category of information Property described information is classified, and corresponding data input processing is carried out to different types of described information after classification；

Data input module, the data input module, there is provided the medical data application system of interface function and hospital is entered Row calls；

Authority Verification module, the power Authority Verification module, after being verified with data input pin, checked operation personnel are defeated The certification instruction entered, if the correct instruction for then providing data to data memory module, travels further into sick bed record data Memory, course of disease data are inquired about, are being shown by course of disease data output end by data output, and by display screen；If It is incorrect, then need return to re-enter；Now system judges abnormal, now data interference module meeting present in data storage Disturbance variable is sent to the course of disease data of progress note data storage storage, prevents the illegal course of disease number distorted in electronic health record According to, and user is reminded by user's prompting module.

Data memory module, the data memory module, block chain interface is preset with, and each interface is corresponding one Unique patient's ID number；Specifically the data of a patient are stored on same chain, and each record data is corresponding The node distributed on chain；According to preparatory condition, at least one block elementary cell information of tissue enters new block, And the previous block for linking to the block in block chain.

Data mart modeling processing module, the data mart modeling processing module, fixed length and significance level attribute can be identified Information is type I information, and writes the basic block belonging to type I information；Identify non-fixed length type and insignificant degree The information of attribute is the second category information, and writes the basic block belonging to the second category information.

Packing generation module, the packing generation module, can write type I information and the second category information, and combine Both described block informations of generation, connect medical data output port, and send case history as desired and browse, print or export Instruction.Packing have been written into the block elementary cell information the type I information and fixed length calculate after second class Information, and block elementary cell information described in combination producing.

The utility model has the advantages that：Block chain technology is effectively combined with medical data, can be effective Prevent from illegally distorting medical data, ensure the true, credible of medical data.

Brief description of the drawings

Medical data tamper resistant device structural representations of the Fig. 1 based on block chain technology

Medical data tamper resistant devices of the Fig. 2 based on block chain technology is applied to the flow chart of Medically Oriented Data System

Embodiment

Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete Site preparation describes, it is clear that described following embodiments are only preferred embodiment of the present utility model, rather than whole implementation Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made The every other embodiment obtained, belong to the scope of the utility model protection.

Such as Fig. 1, shown in 2, with standard interface by the medical data anti-tamper dress of the present utility model based on block chain technology Put and connected with the Medically Oriented Data System of hospital, doctor has write patient file in Hospital medical data system and confirmed defeated After the content that enters is errorless, electronic health record is formed, input authentication instruction carries out purview certification, hence into Tthe utility model system, Electronic medical data is converted into the layout files form that can not be distorted by the system by layout files generating means, ensures electronics Validity, the security of medical data information, the digital signature journey that computer meeting pop-up dialogue box is entered in entry data memory afterwards Sequence, it is digitally signed using the utility model digital signature device on the inverted good layout files that can not be distorted, Ensure the authenticity of electronic medical data information.If any the modification in case history content, it will require that input authentication instructs first, if logical Cross certification instruction and concise unlocked rule enters modification program, there is digital signature confirmation in the place of all modifications；It is random to enter Data mart modeling module, because type I information has the attribute of fixed length type, block chain technology can directly handle the category information, Therefore the type I information can be write direct to the block elementary cell information；Because the second category information has non-fixed length class The attribute of type and insignificant degree, block chain technology can not directly handle the category information, it is necessary to believe second class comprehensively Breath carries out fixed length calculating, and second category information writes the block elementary cell information after fixed length is calculated.Wherein, it is described The second category information carry out fixed length calculate can carry out in the following manner：Second category information passes through Hash as an entirety (Hash) after algorithm computing, the existence proof of all second category informations after exportable merging, and the existence proof Hash will write block elementary cell information, the part as block elementary cell information.Finally can be as desired by end End device output, browse or print case history.

Claims

A kind of 1. medical data tamper resistant device based on block chain technology, it is characterised in that：Including information collection module；Data Input module；Authority Verification module；Data memory module；Data mart modeling processing module, generation module of packing, wherein data are beaten Medical data output end is connected after bag generation.
2. medical data tamper resistant device as claimed in claim 1, it is characterised in that：Described medical data tamper resistant device It is mainly used in the anti-tamper of electronic health record.
3. medical data tamper resistant device as claimed in claim 2, it is characterised in that：Information collection module is according to the category of information Property described information is classified, and corresponding data input processing is carried out to different types of described information after classification.
4. medical data tamper resistant device as claimed in claim 3, it is characterised in that：Input module provides interface function and doctor The medical data application system of institute is called.
5. medical data tamper resistant device as claimed in claim 4, it is characterised in that：Authority Verification module check operating personnel The certification instruction of input, if the correct instruction for then providing data to data memory module；If incorrect, need to return again Input.
6. medical data tamper resistant device as claimed in claim 5, it is characterised in that：Data memory module is preset with block Chain interface, and the corresponding unique patient's ID number of each interface；The data of a patient are specifically stored in same chain On bar, and the node that each record data is correspondingly distributed on chain.
7. medical data tamper resistant device as claimed in claim 1, it is characterised in that：Described data mart modeling processing module can To identify the information of fixed length and significance level attribute as type I information, and write the basic block belonging to type I information； The information for identifying non-fixed length type and insignificant degree attribute is the second category information, and is write basic belonging to the second category information Block.
8. medical data tamper resistant device as claimed in claim 7, it is characterised in that：Packing generation module can write first Category information and the second category information.
9. medical data tamper resistant device as claimed in claim 8, it is characterised in that：The input of medical data and output End all uses standard interface.