CN112420206A - User nursing information query method and system - Google Patents
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Abstract
The application discloses a user nursing information query method and a system, wherein a nursing block chain system comprises a nursing block chain, a user nursing information query platform, a nursing mechanism device and a user terminal, wherein the nursing block chain stores nursing information of a user; the method comprises the following steps: the nursing mechanism device responds to the operation of a nursing staff and sends a user nursing information inquiry request to the user nursing information inquiry platform; the user nursing information inquiry platform sends a user nursing information inquiry request to the user terminal according to the user identification; the user terminal is used for verifying the nursing mechanism corresponding to the nursing mechanism identifier; after the verification is passed, sending verification passing information signed by the private key of the user to a user nursing information inquiry platform; and the user nursing information inquiry platform sends the user nursing information corresponding to the user identification to the nursing mechanism device after confirming the authorization of the user terminal. The method and the system ensure the safety and the privacy of the user nursing information through the block chain technology.
Description
Technical Field
The present application relates to the field of block chain technology, and in particular, to a method and a system for querying user care information.
Background
At present, a block chain, the internet of things and artificial intelligence are listed as three major technologies of future technologies. The block chain technology is based on a decentralized peer-to-peer network, and open source software is used for combining a cryptography principle, time sequence data and a consensus mechanism to ensure the consistency and the persistence of each node in a distributed database, so that information can be immediately verified and traceable, but is difficult to tamper and cannot be shielded, and a private, efficient and safe shared value system is created.
With the trend of slowly entering an aging society, more and more nursing institutions are provided. Similar to the case of hospitals, the medical information storage of patients (i.e., users) should ensure privacy and security, and cannot be revealed unless authorized by the person; in order to ensure safety, the user information between different hospitals in the same city cannot be communicated in the prior art; the user information of the same hospital in the courtyards of different cities cannot be communicated; thereby avoiding the leakage caused by the intercommunication of user information. But nursing information sharing can let nursing institution obtain user's historical nursing information, and can carry out identity information and check, and convenience of customers nurses in different cities, has promoted user experience.
At this time, if the care information (i.e., the user information) is directly shared, the user information may be leaked, and the user cannot directly manage the care information of the user; if sharing is carried out, if the information of city A fails, city B cannot verify the nursing information of user a (user a registers in city A), or the network is attacked, the nursing information data is stolen, and the safety of the nursing information data is poor; the care facility itself is also at risk of tampering with the care data. In general, different care institutions, in different cities, risk the sharing, storage, and use of care information for users; this can cause problems with the security and privacy of the care information.
In addition to the security and privacy of the user care information, when the user is nursing at another branch office of the same care institution, the branch office cannot directly view the care history information of the user, and the care effect on the user is also affected. In other words, it is also important that the branch office directly view the user care history information.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
Disclosure of Invention
In order to solve the above problems, the present application provides a method and a system for querying user care information, where the method is applied to a care block chain system, the care block chain system includes a care block chain, a user care information query platform, a care mechanism device, and a user terminal, the care block chain includes a plurality of block chain nodes, and stores care information of a user; the method comprises the following steps:
the nursing mechanism device responds to the operation of a nursing staff and sends a user nursing information inquiry request to the user nursing information inquiry platform; the user nursing information inquiry request comprises a user identifier and a nursing mechanism identifier;
the user nursing information inquiry platform sends the user nursing information inquiry request to a user terminal after addressing according to the user identification; the user terminal is a user terminal corresponding to the user identifier; the user nursing information inquiry platform stores the corresponding relation between the user identification and the user terminal;
the user terminal responds to user operation and verifies a nursing mechanism corresponding to the nursing mechanism identification; after the verification is passed, sending a verification passing message signed by a private key of the user to the user nursing information inquiry platform; the verification passing message comprises the user terminal public key;
the user nursing information inquiry platform verifies the verification passing message according to the user terminal public key, and sends the user nursing information corresponding to the user identification to the nursing mechanism device after the authorization of the user terminal is confirmed; and the user nursing information inquiry platform stores the user nursing information corresponding to the user identification.
At this time, in the above framework, the nursing blockchain has a plurality of blockchain nodes, each blockchain node stores complete user nursing information, and the addition or exit of any one blockchain node does not affect the stability of the blockchain system; the probability of all block links going down is very low. In addition, only the user nursing information inquiry platform can access the nursing block chain, so that the access pressure of the nursing block chain can be reduced; meanwhile, the speed of a nursing mechanism directly accessing the nursing information query platform of the user is far higher than the speed of directly accessing the nursing block chain, and the query efficiency of the nursing information of the user is improved.
In one possible embodiment, the method further comprises: the user nursing information inquiry platform sends user nursing information inquiry requests encrypted by the private key to the block chain link points in the nursing block chain at intervals of preset time; the user nursing information inquiry request comprises a platform self public key and a time interval; the time interval is the time interval of the current inquiry of the user nursing information, the time interval corresponds to the preset time interval; and the nursing block chain checks the user nursing information inquiry request according to the self public key of the platform, traverses the blocks in the time interval after the checking is passed, and sends at least one piece of user nursing information in the blocks to the user nursing information inquiry platform.
At this time, the user care information in the block in the last time block is already stored in the user care information query platform; therefore, all history blocks do not need to be traversed, and the time for traversing the blocks is further saved. The user information query platform can query the nursing block chain at intervals of preset time, so that the preset time can correspond to the time block, the number of times of accessing the nursing block chain is reduced, and the access pressure of the nursing block chain is relieved.
In one possible embodiment, the method further comprises: the user nursing information inquiry platform establishes a corresponding relation between a user identifier and a user terminal, a corresponding relation between a nursing mechanism identifier and a nursing mechanism, and a corresponding relation between the user identifier and user nursing information according to the at least one piece of user nursing information; the user nursing information inquiry platform stores various corresponding relations through the relation table and stores user nursing information.
At the moment, the user nursing information inquiry platform stores the user nursing information, and the user terminal and the nursing mechanism only relate to the confirmation of the authority of the user nursing information, so that the safety of the user nursing information is further ensured, and the requirements on equipment hardware of the user terminal and the user nursing mechanism are also reduced.
In one possible embodiment, any one of the at least one piece of user care information includes a user identifier, a user terminal, a care institution identifier, a care institution, and a user care detail including a current number of times the user cares, a total number of accumulated care times, a caregiver of the current care institution, current care content, and a current care recommendation.
In a possible implementation manner, the nursing institution and the user terminal access the user nursing information query platform in a client or web page manner.
It should be noted that, in order to improve the user experience, the user terminal only stores some simple nursing process information; if the user needs detailed nursing information, a query request needs to be sent to the user nursing information query platform, and the query process is similar to the query process of the nursing institution.
The system comprises a nursing block chain, a user nursing information inquiry platform, a nursing mechanism device and a user terminal, wherein the nursing block chain comprises a plurality of block chain nodes and stores nursing information of users; wherein the content of the first and second substances,
the nursing mechanism device responds to the operation of a nursing staff and sends a user nursing information inquiry request to the user nursing information inquiry platform; the user nursing information inquiry request comprises a user identifier and a nursing mechanism identifier;
the user nursing information inquiry platform sends the user nursing information inquiry request to a user terminal after addressing according to the user identification; the user terminal is a user terminal corresponding to the user identifier; the user nursing information inquiry platform stores the corresponding relation between the user identification and the user terminal;
the user terminal responds to user operation and verifies a nursing mechanism corresponding to the nursing mechanism identification; after the verification is passed, sending a verification passing message signed by a private key of the user to the user nursing information inquiry platform; the verification passing message comprises the user terminal public key;
the user nursing information inquiry platform verifies the verification passing message according to the user terminal public key, and sends the user nursing information corresponding to the user identification to the nursing mechanism device after the authorization of the user terminal is confirmed; and the user nursing information inquiry platform stores the user nursing information corresponding to the user identification.
In a possible implementation manner, the user care information query platform sends a user care information query request encrypted by a private key to a block link point in the care block chain at intervals of preset time; the user nursing information inquiry request comprises a platform self public key and a time interval; the time interval is the time interval of the current inquiry of the user nursing information, the time interval corresponds to the preset time interval;
and the nursing block chain checks the user nursing information inquiry request according to the self public key of the platform, traverses the blocks in the time interval after the checking is passed, and sends at least one piece of user nursing information in the blocks to the user nursing information inquiry platform.
In a possible implementation manner, the user care information query platform establishes a corresponding relationship between a user identifier and a user terminal, a corresponding relationship between a care institution identifier and a care institution, and a corresponding relationship between a user identifier and user care information according to the at least one piece of user care information;
the user nursing information inquiry platform stores various corresponding relations through the relation table and stores user nursing information.
In one possible embodiment, any one of the at least one piece of user care information includes a user identifier, a user terminal, a care institution identifier, a care institution, and a user care detail including a current number of times the user cares, a total number of accumulated care times, a caregiver of the current care institution, current care content, and a current care recommendation.
In a possible implementation manner, the nursing institution and the user terminal access the user nursing information query platform in a client or web page manner.
According to the method and the system, the user a registered in the nursing institution A can go out to other cities or other places in the same city and can perform information verification in the nursing institution B, and nursing can be performed after the verification; the system is convenient for users, and the safety of the user nursing information is guaranteed through the block chain technology; only under the condition of user authorization, the nursing institution can carry out nursing, so that the privacy of the nursing information of the user is also ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Fig. 1 is a schematic structural diagram of a user care information query system according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a user care information query method according to an embodiment of the present application.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the order of such use may be interchanged under appropriate circumstances such that embodiments of the invention described herein may be practiced in other orders than those illustrated or described herein.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The node referred to in the embodiment of the present application may be understood as an abstract machine that responds to an external specific trigger condition and performs state conversion according to a certain rule, and may be a device that can be networked according to application software, such as a mobile phone, a tablet computer, a palm computer, a personal PC, and the like.
The user nursing information stored in the nursing block chain in the application is the information of the same nursing institution, and the nursing institution comprises a plurality of nursing branch institutions. Meanwhile, the person skilled in the art can also easily think that different nursing institutions can also store the user nursing information on the nursing block chain in the manner of the present application; however, in practical application, different nursing institutions have practical difficulty in information integration, so that the main application scenario of the system is a branch institution which is not available in the same nursing institution.
The specification discloses a user nursing information query method, which is applied to a nursing blockchain system, wherein the nursing blockchain system comprises a nursing blockchain, a user nursing information query platform, a nursing mechanism device and a user terminal, the nursing blockchain comprises a plurality of blockchain nodes and stores nursing information of users; the method comprises steps S201-S204.
S201, a nursing mechanism device responds to the operation of a nursing staff and sends a user nursing information inquiry request to a user nursing information inquiry platform; the user care information query request comprises a user identification and a care institution identification.
S202, the user nursing information inquiry platform sends the user nursing information inquiry request to a user terminal after addressing according to the user identification; the user terminal is a user terminal corresponding to the user identifier; and the user nursing information inquiry platform stores the corresponding relation between the user identification and the user terminal.
S203, the user terminal responds to the user operation and verifies the nursing mechanism corresponding to the nursing mechanism identification; after the verification is passed, sending a verification passing message signed by a private key of the user to the user nursing information inquiry platform; the verification passing message comprises the user terminal public key.
S204, the user nursing information inquiry platform verifies the verification passing message according to the user terminal public key, and sends the user nursing information corresponding to the user identification to the nursing mechanism device after the authorization of the user terminal is confirmed; and the user nursing information inquiry platform stores the user nursing information corresponding to the user identification.
At this time, in the above framework, the nursing blockchain has a plurality of blockchain nodes, each blockchain node stores complete user nursing information, and the addition or exit of any one blockchain node does not affect the stability of the blockchain system; the probability of all block links going down is very low. In addition, only the user nursing information inquiry platform can access the nursing block chain, so that the access pressure of the nursing block chain can be reduced; meanwhile, the speed of a nursing mechanism directly accessing the nursing information query platform of the user is far higher than the speed of directly accessing the nursing block chain, and the query efficiency of the nursing information of the user is improved.
In one example, the method further comprises: the user nursing information inquiry platform sends user nursing information inquiry requests encrypted by the private key to the block chain link points in the nursing block chain at intervals of preset time; the user nursing information inquiry request comprises a platform self public key and a time interval; the time interval is the time interval of the current inquiry of the user nursing information, the time interval corresponds to the preset time interval; and the nursing block chain checks the user nursing information inquiry request according to the self public key of the platform, traverses the blocks in the time interval after the checking is passed, and sends at least one piece of user nursing information in the blocks to the user nursing information inquiry platform.
At this time, the user care information in the block in the last time block is already stored in the user care information query platform; therefore, all history blocks do not need to be traversed, and the time for traversing the blocks is further saved. The user information query platform can query the nursing block chain at intervals of preset time, so that the preset time can correspond to the time block, the number of times of accessing the nursing block chain is reduced, and the access pressure of the nursing block chain is relieved.
In one example, the method further comprises: the user nursing information inquiry platform establishes a corresponding relation between a user identifier and a user terminal, a corresponding relation between a nursing mechanism identifier and a nursing mechanism, and a corresponding relation between the user identifier and user nursing information according to the at least one piece of user nursing information; the user nursing information inquiry platform stores various corresponding relations through the relation table and stores user nursing information.
At the moment, the user nursing information inquiry platform stores the user nursing information, and the user terminal and the nursing mechanism only relate to the confirmation of the authority of the user nursing information, so that the safety of the user nursing information is further ensured, and the requirements on equipment hardware of the user terminal and the user nursing mechanism are also reduced.
In one example, any one of the at least one piece of user care information includes a user identifier, a user terminal, a care institution identifier, a care institution, and a user care detail including a current number of times the user cared, a total number of accumulated cares, a caregiver of the current care institution, current care content, and a current care recommendation.
In one example, the care institution and the user terminal access the user care information query platform in a client or web page manner.
It should be noted that, in order to improve the user experience, the user terminal only stores some simple nursing process information; if the user needs detailed nursing information, a query request needs to be sent to the user nursing information query platform, and the query process is similar to the query process of the nursing institution.
According to the method and the system, the user a registered in the nursing institution A can go out to other cities or other places in the same city and can perform information verification in the nursing institution B, and nursing can be performed after the verification; the system is convenient for users, and the safety of the user nursing information is guaranteed through the block chain technology; only under the condition of user authorization, the nursing institution can carry out nursing, so that the privacy of the nursing information of the user is also ensured.
The specification also discloses a system for inquiring the user nursing information, which comprises a nursing block chain, a user nursing information inquiry platform, a nursing mechanism device and a user terminal, wherein the nursing block chain comprises a plurality of block chain nodes and stores the nursing information of the user.
S101, a nursing mechanism device responds to the operation of a nursing teacher and sends a user nursing information inquiry request to a user nursing information inquiry platform; the user care information query request comprises a user identification and a care institution identification.
S102, the user nursing information inquiry platform sends the user nursing information inquiry request to a user terminal after addressing according to the user identification; the user terminal is a user terminal corresponding to the user identifier; and the user nursing information inquiry platform stores the corresponding relation between the user identification and the user terminal.
S103, the user terminal responds to user operation and verifies a nursing mechanism corresponding to the nursing mechanism identification; after the verification is passed, sending a verification passing message signed by a private key of the user to the user nursing information inquiry platform; the verification passing message comprises the user terminal public key.
S104, the user nursing information inquiry platform verifies the verification passing message according to the user terminal public key, and sends the user nursing information corresponding to the user identification to the nursing mechanism device after the authorization of the user terminal is confirmed; and the user nursing information inquiry platform stores the user nursing information corresponding to the user identification.
In one example, as in fig. 2, S105, the user care information query platform sends a user care information query request encrypted by its private key to a block link point in the care block chain at preset time intervals; the user nursing information inquiry request comprises a platform self public key and a time interval; the time interval is the time interval of the current inquiry of the user nursing information, the time interval corresponds to the interval preset time, and the time periods of the time interval and the interval preset time correspond to each other.
S106, the nursing block chain verifies the user nursing information inquiry request according to the self public key of the platform, after the verification is passed, the blocks in the time interval are traversed, and at least one piece of user nursing information in the blocks is sent to the user nursing information inquiry platform.
In one example, the user care information query platform establishes a corresponding relationship between a user identifier and a user terminal, a corresponding relationship between a care institution identifier and a care institution, and a corresponding relationship between a user identifier and user care information according to the at least one piece of user care information; the user nursing information inquiry platform stores various corresponding relations through the relation table and stores user nursing information.
In one example, any one of the at least one piece of user care information includes a user identifier, a user terminal, a care institution identifier, a care institution, and a user care detail including a current number of times the user cared, a total number of accumulated cares, a caregiver of the current care institution, current care content, and a current care recommendation.
In one example, the care institution and the user terminal access the user care information query platform in a client or web page manner.
According to the method and the system, the user a registered in the nursing institution A can go out to other cities or other places in the same city and can perform information verification in the nursing institution B, and nursing can be performed after the verification; the system is convenient for users, and the safety of the user nursing information is guaranteed through the block chain technology; only under the condition of user authorization, the nursing institution can carry out nursing, so that the privacy of the nursing information of the user is also ensured.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A user nursing information query method is applied to a nursing blockchain system, the nursing blockchain system comprises a nursing blockchain, a user nursing information query platform, a nursing mechanism device and a user terminal, the nursing blockchain comprises a plurality of blockchain nodes and stores nursing information of users; the method comprises the following steps:
the nursing mechanism device responds to the operation of a nursing staff and sends a user nursing information inquiry request to the user nursing information inquiry platform; the user nursing information inquiry request comprises a user identifier and a nursing mechanism identifier;
the user nursing information inquiry platform sends the user nursing information inquiry request to a user terminal after addressing according to the user identification; the user terminal is a user terminal corresponding to the user identifier; the user nursing information inquiry platform stores the corresponding relation between the user identification and the user terminal;
the user terminal responds to user operation and verifies a nursing mechanism corresponding to the nursing mechanism identification; after the verification is passed, sending a verification passing message signed by a private key of the user to the user nursing information inquiry platform; the verification passing message comprises the user terminal public key;
the user nursing information inquiry platform verifies the verification passing message according to the user terminal public key, and sends the user nursing information corresponding to the user identification to the nursing mechanism device after the authorization of the user terminal is confirmed; and the user nursing information inquiry platform stores the user nursing information corresponding to the user identification.
2. The method of querying user care information according to claim 1, further comprising:
the user nursing information inquiry platform sends user nursing information inquiry requests encrypted by the private key to the block chain link points in the nursing block chain at intervals of preset time; the user nursing information inquiry request comprises a platform self public key and a time interval; the time interval is the time interval of the current inquiry of the user nursing information, the time interval corresponds to the preset time interval;
and the nursing block chain checks the user nursing information inquiry request according to the self public key of the platform, traverses the blocks in the time interval after the checking is passed, and sends at least one piece of user nursing information in the blocks to the user nursing information inquiry platform.
3. The method of querying user care information according to claim 2, further comprising:
the user nursing information inquiry platform establishes a corresponding relation between a user identifier and a user terminal, a corresponding relation between a nursing mechanism identifier and a nursing mechanism, and a corresponding relation between the user identifier and user nursing information according to the at least one piece of user nursing information;
the user nursing information inquiry platform stores various corresponding relations through the relation table and stores user nursing information.
4. The method according to claim 2, wherein any one of the at least one item of user care information includes a user identifier, a user terminal, a care institution identifier, a care institution, and a user care detail including a current number of times of user care, a total number of accumulated care times, a caregiver of the current care institution, current care contents, and a current care recommendation.
5. The method according to claim 1, wherein the care institution and the user terminal access the user care information query platform by means of a client or a web page.
6. A user nursing information inquiry system is characterized by comprising a nursing block chain, a user nursing information inquiry platform, a nursing mechanism device and a user terminal, wherein the nursing block chain comprises a plurality of block chain nodes and stores nursing information of a user; wherein the content of the first and second substances,
the nursing mechanism device responds to the operation of a nursing staff and sends a user nursing information inquiry request to the user nursing information inquiry platform; the user nursing information inquiry request comprises a user identifier and a nursing mechanism identifier;
the user nursing information inquiry platform sends the user nursing information inquiry request to a user terminal after addressing according to the user identification; the user terminal is a user terminal corresponding to the user identifier; the user nursing information inquiry platform stores the corresponding relation between the user identification and the user terminal;
the user terminal responds to user operation and verifies a nursing mechanism corresponding to the nursing mechanism identification; after the verification is passed, sending a verification passing message signed by a private key of the user to the user nursing information inquiry platform; the verification passing message comprises the user terminal public key;
the user nursing information inquiry platform verifies the verification passing message according to the user terminal public key, and sends the user nursing information corresponding to the user identification to the nursing mechanism device after the authorization of the user terminal is confirmed; and the user nursing information inquiry platform stores the user nursing information corresponding to the user identification.
7. The user care information query system of claim 6,
the user nursing information inquiry platform sends user nursing information inquiry requests encrypted by the private key to the block chain link points in the nursing block chain at intervals of preset time; the user nursing information inquiry request comprises a platform self public key and a time interval; the time interval is the time interval of the current inquiry of the user nursing information, the time interval corresponds to the preset time interval;
and the nursing block chain checks the user nursing information inquiry request according to the self public key of the platform, traverses the blocks in the time interval after the checking is passed, and sends at least one piece of user nursing information in the blocks to the user nursing information inquiry platform.
8. The user care information query system of claim 7,
the user nursing information inquiry platform establishes a corresponding relation between a user identifier and a user terminal, a corresponding relation between a nursing mechanism identifier and a nursing mechanism, and a corresponding relation between the user identifier and user nursing information according to the at least one piece of user nursing information;
the user nursing information inquiry platform stores various corresponding relations through the relation table and stores user nursing information.
9. The system of claim 7, wherein any one of the at least one item of user care information comprises a user identifier, a user terminal, a care institution identifier, a care institution, and a user care detail comprising a current number of user care, a total number of cumulative care, a caregiver of the current care institution, current care content, and current care advice.
10. The system of claim 6, wherein the care institution and the user terminal access the user care information query platform by means of a client or a web page.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180060496A1 (en) * | 2016-08-23 | 2018-03-01 | BBM Health LLC | Blockchain-based mechanisms for secure health information resource exchange |
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2020
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| US20180060496A1 (en) * | 2016-08-23 | 2018-03-01 | BBM Health LLC | Blockchain-based mechanisms for secure health information resource exchange |
| CN109948367A (en) * | 2019-03-27 | 2019-06-28 | 南京星链高科技发展有限公司 | A kind of medical data authorization method based on block chain technology |
| CN110197707A (en) * | 2019-05-23 | 2019-09-03 | 泰康保险集团股份有限公司 | Medical record information processing method, device, medium and electronic equipment based on block chain |
| CN110414253A (en) * | 2019-08-05 | 2019-11-05 | 深圳市网心科技有限公司 | A kind of electronic health record management method, device, system and equipment based on block chain |
| CN111916217A (en) * | 2020-08-07 | 2020-11-10 | 上海交通大学医学院附属第九人民医院 | Block chain-based medical data management method, system, storage medium and terminal |
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