CN112418890A - Block chain-based medicine anti-counterfeiting traceability system and method - Google Patents
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Abstract
The invention discloses a block chain-based medical anti-counterfeiting traceability system and a block chain-based medical anti-counterfeiting traceability method, and relates to the technical field of block chains. The invention comprises a Fabric network environment module, an intelligent contract module and a Web service and client development module; the Fabric network environment module comprises a data layer and a network layer; the intelligent contract module refers to a contract layer; the Web service and client development module comprises an application layer and a user layer, so that the interaction between consumers and each participant in the drug circulation process and the Fabric blockchain platform is realized, and a simple interaction interface is provided for the users. The invention records and tracks the data of the processes of medicine production and processing, logistics transportation, retail use and the like, further improves the performance of the medicine anti-counterfeiting traceability system, ensures the reliability of medicine data by utilizing the characteristics of block chain technology for decentralization, difficult data falsification and transaction traceability and realizes the traceability of the whole process of the medicine.
Description
Technical Field
The invention belongs to the technical field of block chains, and particularly relates to a block chain-based medical anti-counterfeiting traceability system and a block chain-based medical anti-counterfeiting traceability method.
Background
The block chain is a block chain type data structure which is not fakeable, falsifiable and traceable and is constructed through transparent and credible rules under a peer-to-peer network environment, a transaction processing mode is realized and managed, and a basic data structure of the block chain is composed of a block part and a chain part; the transaction and execution results are completely recorded in the 'block'; the blocks are connected in series according to the generation time to form a chain, and the state change of the account book is reflected in detail; the method has the advantages of decentralization, distrustation, openness and transparency, credible database and traceability.
Medicine traceability refers to the recording and tracking of the processes of production and processing, logistics transportation, retail use and the like of medicines, and the work needs the wide participation of upstream and downstream parties of a medicine supply chain. The current medical anti-counterfeiting traceability system has two defects: firstly, the stored data information is incomplete, and a consumer cannot obtain logistics information and use information of the medicine by inquiring the medicine source tracing code; secondly, the privacy of the data information cannot be guaranteed, the participants and the final consumer can obtain the same information in the drug circulation process, and the personal information of the consumer is easy to leak.
Disclosure of Invention
The invention provides a block chain-based medicine anti-counterfeiting traceability system and a block chain-based medicine anti-counterfeiting traceability method, which solve the problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a block chain-based medicine anti-counterfeiting traceability system, which comprises a Fabric network environment module, an intelligent contract module and a Web service and client development module;
the Fabric network environment module comprises a data layer and a network layer, and has the function of storing the medicine data acquired by the data acquisition part; the data layer is a core part of the block chain and is used for encrypting data generated in the medicine circulation process and uploading the encrypted data to the block chain; the network layer is the basis of the information transmission of the Fabric Block Link platform, and comprises a consensus mechanism, a P2P network and a data verification mechanism in the network;
the intelligent contract module refers to a contract layer, is the core of the system, and encapsulates the intelligent contract which can realize the system function;
the Web service and client development module comprises an application layer and a user layer, so that a consumer and each participant in the drug circulation process interact with the Fabric blockchain platform, and a simple interaction interface is provided for the user; the application layer comprises an input interface and various information query entries; the user layer faces to users or merchants and comprises all participants in the drug circulation process.
Furthermore, the data to be collected by the data collection part comprises production information, logistics information and use information of the medicine, and the information is obtained by uploading and inquiring the system.
A block chain-based medicine anti-counterfeiting tracing method comprises the following steps:
s01, multi-machine deployment and chain code development in the Fabric environment: deploying a Fabric environment according to the functional requirements of the system, wherein the system environment is provided with three organizations which respectively correspond to three practical scenes of a pharmaceutical factory, a dealer and a hospital, nodes of the three organizations are added into the same channel, and different chain codes are installed on the nodes of each organization so as to meet the requirements of different organizations on different operation functions of medicines;
s02, uploading medicine information: the medicines are produced and packaged in a pharmaceutical factory, and when the medicines leave the factory, unique medicine traceability codes exist on the medicine packages; when the medicine is circulated to three organizations, namely a medical factory, a distributor and a hospital, according to the function of installing chain codes on each organization node, the medicine tracing code is used as a key, and the production information, the circulation information and the use information of the medicine are uploaded to a Fabric block chain by using the authenticated user account number in each organization at a terminal or a client.
S03, drug traceability information query: after a consumer purchases or uses a medicine, the consumer logs in a block chain medicine anti-counterfeiting traceability platform by using an user account authenticated in an organization, inputs a medicine traceability code, can jump to a medicine traceability information display interface to obtain traceability information of the medicine from production to use in each stage, and the process is still realized by the chain code.
Compared with the prior art, the invention has the following beneficial effects:
the block chain medicine traceability system takes medicines as traceability objects and a Fabric block chain platform as a basis, and records and tracks data of the processes of medicine production and processing, logistics transportation, retail use and the like. The drug traceability code is used by the client for inquiring to obtain the traceability information of the drug, and the Fabric response time is averagely 22ms, so that the feasibility and the effectiveness of the design scheme are verified. The block chain technology and the traceability technology are combined and applied, the performance of the medicine anti-counterfeiting traceability system is further improved, the reliability of medicine data is guaranteed by the aid of the characteristics that the block chain technology is decentralized, data are difficult to tamper, and transaction traceability is realized, traceability of the whole process of medicines is realized, each participant in the chain can be traced, transparency of medicine anti-counterfeiting traceability information is improved, and a consumer can know all information of the medicines from production to use by inquiring traceability codes of the medicines.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a block chain-based medical anti-counterfeiting traceability system of the present invention;
fig. 2 is a flowchart of a medical anti-counterfeiting tracing method based on a blockchain according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the block chain-based medical anti-counterfeiting traceability system of the present invention includes a Fabric network environment module, an intelligent contract module, and a Web service and client development module;
the Fabric network environment module comprises a data layer and a network layer, and has the function of storing the medicine data acquired by the data acquisition part; the data layer is a core part of the block chain and is used for encrypting data generated in the medicine circulation process and uploading the encrypted data to the block chain; the network layer is the basis of the information transmission of the Fabric Block Link platform, and comprises a consensus mechanism, a P2P network and a data verification mechanism in the network;
the intelligent contract module refers to a contract layer, is the core of the system and encapsulates the intelligent contract which can realize the functions of the system;
the Web service and client development module comprises an application layer and a user layer, so that the interaction between consumers and each participant in the drug circulation process and the Fabric blockchain platform is realized, and a simple interaction interface is provided for the users. The application layer comprises an input interface and various information query entries; the user layer faces to users or merchants and comprises all participants in the drug circulation process.
The data required to be collected by the data collection part comprises production information, logistics information and use information of the medicine, and the information is obtained by uploading and inquiring the system.
As shown in fig. 2, a block chain-based medical anti-counterfeiting tracing method includes the following steps:
s01, multi-machine deployment and chain code development in the Fabric environment: deploying a Fabric environment according to the functional requirements of the system, wherein the system environment is provided with three organizations which respectively correspond to three practical scenes of a pharmaceutical factory, a dealer and a hospital, nodes of the three organizations are added into the same channel, and different chain codes are installed on the nodes of each organization so as to meet the requirements of different organizations on different operation functions of medicines;
s02, uploading medicine information: the medicines are produced and packaged in pharmaceutical factories, and unique medicine traceability codes exist on the medicine packages when the medicines leave a factory. When the medicine is circulated to three organizations, namely a medical factory, a distributor and a hospital, according to the function of installing chain codes on each organization node, the medicine tracing code is used as a key, and the production information, the circulation information and the use information of the medicine are uploaded to a Fabric block chain by using the authenticated user account number in each organization at a terminal or a client.
S03, drug traceability information query: after a consumer purchases or uses a medicine, the consumer logs in a block chain medicine anti-counterfeiting traceability platform by using an user account authenticated in an organization, inputs a medicine traceability code, can jump to a medicine traceability information display interface to obtain traceability information of the medicine from production to use in each stage, and the process is still realized by the chain code.
The beneficial effects of the invention compared with the prior art comprise:
the block chain medicine traceability system takes medicines as traceability objects and a Fabric block chain platform as a basis, and records and tracks data of the processes of medicine production and processing, logistics transportation, retail use and the like. The drug traceability code is used by the client for inquiring to obtain the traceability information of the drug, and the Fabric response time is averagely 22ms, so that the feasibility and the effectiveness of the design scheme are verified. The block chain technology and the traceability technology are combined and applied, the performance of the medicine anti-counterfeiting traceability system is further improved, the reliability of medicine data is guaranteed by the aid of the characteristics that the block chain technology is decentralized, data are difficult to tamper, and transaction traceability is realized, traceability of the whole process of medicines is realized, each participant in the chain can be traced, transparency of medicine anti-counterfeiting traceability information is improved, and a consumer can know all information of the medicines from production to use by inquiring traceability codes of the medicines.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A medicine anti-counterfeiting traceability system based on a block chain is characterized by comprising a Fabric network environment module, an intelligent contract module and a Web service and client development module;
the Fabric network environment module comprises a data layer and a network layer, and has the function of storing the medicine data acquired by the data acquisition part; the data layer is a core part of the block chain and is used for encrypting data generated in the medicine circulation process and uploading the encrypted data to the block chain; the network layer is the basis of the information transmission of the Fabric Block Link platform, and comprises a consensus mechanism, a P2P network and a data verification mechanism in the network;
the intelligent contract module refers to a contract layer, is the core of the system, and encapsulates the intelligent contract which can realize the system function;
the Web service and client development module comprises an application layer and a user layer, so that a consumer and each participant in the drug circulation process interact with the Fabric blockchain platform, and a simple interaction interface is provided for the user; the application layer comprises an input interface and various information query entries; the user layer faces to users or merchants and comprises all participants in the drug circulation process.
2. The system and the method for medical anti-counterfeiting traceability based on block chains as claimed in claim 1, wherein the data to be collected by the data collection part comprises production information, logistics information and use information of the medicine, and the information is obtained by uploading and querying the system.
3. The medical anti-counterfeiting tracing method based on the blockchain as claimed in claims 1-2, characterized by comprising the following steps:
s01, multi-machine deployment and chain code development in the Fabric environment: deploying a Fabric environment according to the functional requirements of the system, wherein the system environment is provided with three organizations which respectively correspond to three practical scenes of a pharmaceutical factory, a dealer and a hospital, nodes of the three organizations are added into the same channel, and different chain codes are installed on the nodes of each organization so as to meet the requirements of different organizations on different operation functions of medicines;
s02, uploading medicine information: the medicines are produced and packaged in a pharmaceutical factory, and when the medicines leave the factory, unique medicine traceability codes exist on the medicine packages; when the medicine is circulated to three organizations, namely a medical factory, a distributor and a hospital, according to the function of installing chain codes on each organization node, taking the medicine tracing code as a key, and uploading production information, circulation information and use information of the medicine to a Fabric block chain by using authenticated user account numbers in each organization at a terminal or a client respectively;
s03, drug traceability information query: after a consumer purchases or uses a medicine, the consumer logs in a block chain medicine anti-counterfeiting traceability platform by using an user account authenticated in an organization, inputs a medicine traceability code, can jump to a medicine traceability information display interface to obtain traceability information of the medicine from production to use in each stage, and the process is still realized by the chain code.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113657909A (en) * | 2021-08-05 | 2021-11-16 | 宁波大学 | Blue crab quality traceability system based on block chain |
| CN113762982A (en) * | 2021-08-11 | 2021-12-07 | 成都华药共享网络科技有限公司 | Medical product chain traceability system based on block chain |
| CN113762983A (en) * | 2021-08-11 | 2021-12-07 | 成都华药共享网络科技有限公司 | Block chain-based medical product chain tracing method |
| CN114331481A (en) * | 2022-03-15 | 2022-04-12 | 北京伊甸之尘科技有限公司 | Product anti-counterfeiting traceability system based on Ether house beacon chain system |
| EP4318369A4 (en) * | 2021-03-26 | 2024-10-02 | Ntt Comm Corp | Medication information management system and management control device, terminal device and management method for same, and program storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305083A (en) * | 2018-02-11 | 2018-07-20 | 张国忠 | A kind of commodity source tracing method and system based on block chain |
| CN109214830A (en) * | 2018-08-07 | 2019-01-15 | 北京药良心信息科技有限公司 | A kind of The Quality of Sliced Herbal Medicine traceability system based on block chain technology |
| CN109523349A (en) * | 2018-10-28 | 2019-03-26 | 北京工业大学 | A kind of agricultural product electric business platform traced to the source based on block chain and implementation method |
| CN109545301A (en) * | 2018-11-23 | 2019-03-29 | 浙江工商大学 | Shared electronic health record method based on block chain Hyperledger Fabric |
| CN110716988A (en) * | 2019-10-21 | 2020-01-21 | 安徽强晟物联信息科技有限公司 | Anti-counterfeiting traceability system based on block chain |
| US20200043001A1 (en) * | 2018-08-01 | 2020-02-06 | Smart Brand Limited | Pet Food Traceability System and Method Therefor |
| CN111221568A (en) * | 2020-01-10 | 2020-06-02 | 杭州趣链科技有限公司 | Fabric chain code life cycle management system based on physical machine deployment |
| CN111539750A (en) * | 2020-04-27 | 2020-08-14 | 中山大学 | Commodity traceability system based on block chain and big data technology |
| CN111861515A (en) * | 2020-07-31 | 2020-10-30 | 重庆文理学院 | Organic agricultural product security traceability system and method based on cloud computing |
-
2020
- 2020-11-27 CN CN202011355629.XA patent/CN112418890A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305083A (en) * | 2018-02-11 | 2018-07-20 | 张国忠 | A kind of commodity source tracing method and system based on block chain |
| US20200043001A1 (en) * | 2018-08-01 | 2020-02-06 | Smart Brand Limited | Pet Food Traceability System and Method Therefor |
| CN109214830A (en) * | 2018-08-07 | 2019-01-15 | 北京药良心信息科技有限公司 | A kind of The Quality of Sliced Herbal Medicine traceability system based on block chain technology |
| CN109523349A (en) * | 2018-10-28 | 2019-03-26 | 北京工业大学 | A kind of agricultural product electric business platform traced to the source based on block chain and implementation method |
| CN109545301A (en) * | 2018-11-23 | 2019-03-29 | 浙江工商大学 | Shared electronic health record method based on block chain Hyperledger Fabric |
| CN110716988A (en) * | 2019-10-21 | 2020-01-21 | 安徽强晟物联信息科技有限公司 | Anti-counterfeiting traceability system based on block chain |
| CN111221568A (en) * | 2020-01-10 | 2020-06-02 | 杭州趣链科技有限公司 | Fabric chain code life cycle management system based on physical machine deployment |
| CN111539750A (en) * | 2020-04-27 | 2020-08-14 | 中山大学 | Commodity traceability system based on block chain and big data technology |
| CN111861515A (en) * | 2020-07-31 | 2020-10-30 | 重庆文理学院 | Organic agricultural product security traceability system and method based on cloud computing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4318369A4 (en) * | 2021-03-26 | 2024-10-02 | Ntt Comm Corp | Medication information management system and management control device, terminal device and management method for same, and program storage medium |
| CN113657909A (en) * | 2021-08-05 | 2021-11-16 | 宁波大学 | Blue crab quality traceability system based on block chain |
| CN113762982A (en) * | 2021-08-11 | 2021-12-07 | 成都华药共享网络科技有限公司 | Medical product chain traceability system based on block chain |
| CN113762983A (en) * | 2021-08-11 | 2021-12-07 | 成都华药共享网络科技有限公司 | Block chain-based medical product chain tracing method |
| CN114331481A (en) * | 2022-03-15 | 2022-04-12 | 北京伊甸之尘科技有限公司 | Product anti-counterfeiting traceability system based on Ether house beacon chain system |
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