CN114143351A - Information transmission method and system for medical aid - Google Patents
Information transmission method and system for medical aid Download PDFInfo
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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
- H04L67/12—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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
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- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
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- 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
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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Abstract
The invention provides an information transmission method for medical aid, an information processing device divides medical information into a plurality of data packets according to the information capacity of graphs, generates recognizable graphs respectively, displays the recognizable graphs in sequence, an information reading and transmitting device reads and decodes the displayed recognizable graphs in sequence to obtain a plurality of information segments, then splices the information segments into medical information which is transmitted to an ambulance through a department network, and the real-time performance and the automation degree of the information transmission are high. Because the information processing device is only connected with the internal network of a confidential unit, the information reading and transmitting device is only connected with the external network, and a direct physical path is not arranged between the information processing device and the external network, the information reading and transmitting device can not carry out intrusion attack on the internal network of the information processing device or the medical facility, and because the machine-recognizable graph is displayed, the information is prevented from being stolen and seen artificially, therefore, the high-efficiency information transmission function is realized, and simultaneously, the good data security and confidentiality are provided.
Description
Technical Field
The invention belongs to the technical field of information transmission, and particularly relates to an information transmission method and system for medical aid.
Background
At present, in order to avoid problems of information stealing, hacking and the like, some devices with high confidentiality requirements and internal networks in secret-related units are often not communicated with external networks, and when data exchange is required to be carried out with the external networks and the external devices, a manual intervention mode or special data exchange devices are mainly adopted. The manual intervention mode adopts a storage device to transfer data, and the special data exchange device has corresponding designs of unidirectional transmission, attack prevention and the like.
Although the existing method can achieve the purpose of information transmission, a plurality of problems still exist: firstly, a manual intervention mode is adopted, the workload of operators is large, the manual medium-speed rotation is slow, and the information transmission efficiency is low; secondly, a data exchange device is adopted, so that a physical connection channel is arranged between an internal network and an external network, and although the design of anti-attack and the like is provided, the possibility of information stealing and attack still exists; and thirdly, the special data exchange equipment has higher cost and more complex deployment and maintenance due to the special design.
In particular, the above-mentioned devices with high security requirements include some medical devices installed in military medical institutions, which need to be able to send medical information to a plurality of ambulances in time, and since most of the ambulances are critically ill patients, the transmission of the medical information has high requirements on security and real-time performance of the information, and the information transmission method in the prior art is difficult to meet the application requirements of this scenario. Therefore, there is a strong need for a new method for information transmission that can be applied between a confidential medical device and an ambulance.
Disclosure of Invention
In order to solve the problems, the invention provides a medical aid information transmission method based on recognizable graphs, which adopts the following technical scheme:
the invention provides an information transmission method for medical aid, which is used for transmitting medical information from medical equipment with confidentiality requirement to an ambulance, and is characterized by comprising the following steps: step S1, the information processing apparatus divides the medical information into a plurality of packets according to a predetermined graphic information capacity; step S2, the information processing apparatus converts the plurality of packets into a plurality of recognizable patterns, respectively, according to a predetermined algorithm; step S3, the information processing apparatus sequentially displays a plurality of recognizable patterns; step S4, the information reading and transmitting device reads a plurality of recognizable patterns in sequence and decodes the recognizable patterns to obtain a plurality of information segments; step S5, splicing the plurality of information fragments into medical information by the information reading and transmitting device; and step S6, the information reading and transmitting device transmits the medical information to the ambulance through the external network, wherein the information processing device is only connected with the medical equipment through the internal network in a communication way, and the information reading and transmitting device is only connected with the external network in a communication way and is connected with the ambulance through the external network in a communication way.
The information transmission method for medical aid provided by the present invention may further have the technical feature that the step S1 includes the following substeps: step S1-1, acquiring the number of bytes of the medical information; step S1-2, dividing the medical information into a plurality of information segments according to the byte number and the graphic information capacity of the medical information; and step S1-3, packing the information fragment, the corresponding sequence number information and the verification information into a data packet.
The medical aid information transmission method provided by the invention can also have the technical characteristics that the information reading and transmitting device comprises a camera and a graphic decoder, and the step S4 comprises the following substeps: step S4-1, shooting the displayed recognizable figure through a camera to obtain an image containing the recognizable figure; and step S4-2, recognizing and decoding the recognizable patterns in the image through the pattern decoder to obtain corresponding data packets.
The medical aid information transmission method provided by the invention can also have the technical characteristics that the recognizable graph is a two-dimensional code, and the graph decoder is a two-dimensional code decoder.
The information transmission method for medical aid provided by the present invention may further have the technical feature that the step S5 includes the following substeps: step S5-1, reading the sequence number information in each data packet; step S5-2, judging whether all data packets are acquired according to the sequence number information; step S5-3, when the judgment in step S5-2 is yes, reading the check information in each data packet; step S5-4, judging whether all data packets are valid according to the check information; and S5-5, when the judgment of the step S5-4 is yes, reading the information segments in the data packets, and splicing the information segments into the medical information according to the sequence number information.
The information transmission method for medical aid provided by the invention can also have the technical characteristics that the external network is a 5G network, and the information transmission device is in communication connection with the ambulance in a wireless mode.
The invention provides an information transmission system for medical aid based on recognizable figure, which is used for transmitting medical information from medical equipment with confidential requirements to an ambulance, and is characterized by comprising the following components: an information processing device which is connected to the internal network of the medical equipment only; an information reading transmission device which is connected with the external network only in communication and is connected with the ambulance through the external network in communication, wherein the information processing device comprises: the data processing module divides the medical information into a plurality of data packets according to the preset graphic information capacity; the graph generation module generates recognizable graphs for all the data packets according to a preset algorithm; and a graphic display module for sequentially displaying each recognizable graphic, the information reading and transmitting device comprising: the figure reading module is used for sequentially reading the recognizable figures displayed by the figure display module; the image decoding module is used for decoding the read identifiable image to obtain information segments, and the information splicing module is used for splicing the plurality of information segments into medical information; and the information transmission module transmits the medical information to the ambulance through an external network.
Action and Effect of the invention
According to the information transmission method for medical aid, the information processing device divides the medical information into a plurality of data packets according to the preset graphic information capacity, and then the data packets respectively generate recognizable graphs and display the recognizable graphs in sequence, the information reading and transmitting device sequentially reads and decodes the displayed recognizable graphs to obtain a plurality of corresponding information segments, and then the information segments are spliced and restored into the medical information and transmitted to the ambulance through a department network, so that compared with the data importing and exporting mode of manual intervention in the prior art, the real-time performance and the automation degree of information transmission are greatly improved. Meanwhile, the information processing device is only connected to the internal network of the medical equipment, and the information reading and transmitting device is only connected to the external network, so that a direct physical path does not exist between the information processing device and the external network, the information reading and transmitting device cannot carry out intrusion attack on the internal network of the information processing device or the medical facility, and the machine-recognizable graph is displayed, and the original data is not displayed, so that the information is prevented from being stolen and seen by people. Therefore, the information transmission method for medical aid of the invention provides good data security and confidentiality while realizing the function of high-efficiency information transmission.
Drawings
FIG. 1 is a schematic structural diagram of an information transmission system for medical aid according to an embodiment of the present invention;
fig. 2 is a block diagram showing the construction of the information transmission system for medical aid in the embodiment of the present invention.
FIG. 3 is a flow chart of a method for transmitting information for medical aid in an embodiment of the present invention;
fig. 4 is a flowchart of step S1 of the information transmission method for medical aid according to the embodiment of the present invention;
FIG. 5 is a flowchart illustrating the step S4 of the method for transmitting information for medical aid according to the embodiment of the present invention;
fig. 6 is a flowchart of step S5 of the information transmission method for medical aid according to the embodiment of the present invention; reference numerals:
a medical aid information transmission system 10; an information processing device 11; a data processing module 111; a graphics generation module 112; a graphic display module 113; a processing-side control module 114; an information reading transmission device 12; a graphic reading module 121; a graphics decoding module 122; an information splicing module 123; an information transmission module 124; a transmission-side control module 125; a military medical facility 20; an internal network 21; a medical device 22; an external network 30; an ambulance 40.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the invention easy to understand, the method and system for transmitting information for medical aid of the invention are specifically described below with reference to the embodiments and the accompanying drawings.
< example >
The embodiment provides a medical aid information transmission method based on recognizable graphs.
Fig. 1 is a schematic structural diagram of an information transmission system for medical aid in an embodiment of the present invention.
Fig. 2 is a block diagram showing the construction of the information transmission system for medical aid in the embodiment of the present invention.
As shown in fig. 1 and 2, the information transmission system 10 for medical care of the present embodiment is applied to a medical care scene for transmitting medical information from a military medical institution 20 having confidentiality requirements to a corresponding one or more ambulances 40 in a timely manner.
The military medical institution 20 is located on an island, a plurality of ambulances 40 are distributed on the continent, and the military medical institution 20 is provided with an internal network 21 which is not connected to an external network, medical equipment 22 (internal server group) in which confidential information is stored, an information processing device 11, and an information reading and transmitting device 12. The medical device 22 and the information processing apparatus 11 are connected only to the internal network 21, the information reading and transmitting apparatus 12 is connected only to the external network 30, and there is no physical connection between the information processing apparatus 11 and the information reading and transmitting apparatus 12.
The information processing device 11 is used for converting the medical information into a recognizable figure and displaying the recognizable figure. In this embodiment, the recognizable pattern is a two-dimensional code, specifically, a QR code, Version 30, ECC level L, and the pattern information capacity, that is, the number of bytes that can be accommodated in each two-dimensional code, is about 13 KB. The information processing apparatus 11 is connected to the internal network 21 only for communication, and acquires the medical information from the medical device 22 via the internal network 21.
The information reading and transmitting device 12 is used for reading the recognizable figure displayed by the information processing device 11, restoring the recognizable figure into the medical information, and further transmitting the restored medical information to the ambulance 40 through the treatment module network 30. The information reading and transmitting device 12 is connected only to the external network 30 and not to the internal network 21.
FIG. 3 is a flow chart of a method for transmitting information for medical aid in an embodiment of the present invention;
as shown in fig. 3, based on the medical information transmission system 10, in this embodiment, the medical information transmission method specifically includes the following steps:
in step S1, the information processing apparatus divides the medical information into a plurality of packets according to a predetermined graphic information capacity.
Fig. 4 is a flowchart of step S1 of the method for transmitting medical aid information according to the embodiment of the present invention.
As shown in fig. 4, step S1 specifically includes the following sub-steps:
and step S1-1, acquiring the number of bytes of the medical information.
In this embodiment, the medical information includes text and voice, and the number of bytes is about 2M.
Step S1-2 is to divide the medical information into a plurality of information pieces according to the number of bytes of the medical information and the volume of the graphic information.
In this embodiment, the number of bytes of the medical information is about 2M, and each data packet includes an information fragment of the medical information and additional information such as serial number information and verification information, and therefore when the medical information is divided, the number of bytes of each information fragment is smaller than the graphic information capacity. In this embodiment, the graphic information capacity is 13K, and for convenience of description, each information segment is set to 10K, and a space of 3K is reserved for the additional information. Therefore, the medical information is sequentially divided into 200 pieces of information.
And step S1-3, packing the information fragment, the corresponding sequence number information and the verification information into a data packet.
That is, 200 data packets containing the above information fragment, sequence number information and check information are generated by packaging.
In step S2, the information processing apparatus converts the plurality of packets into a plurality of recognizable patterns, respectively, according to a predetermined algorithm.
In this embodiment, the 200 data packets are respectively generated into 200 QR codes by a standard QR code generation algorithm, and the detailed description of the prior art is omitted. The 200 QR codes can be ordered according to their file names and the generation time.
In step S3, the information processing apparatus displays a plurality of recognizable patterns in sequence.
In this embodiment, the information processing apparatus 11 has one display, and 200 QR codes are sequentially displayed by the display, and the display of each QR code is maintained for a certain period of time, thereby avoiding a reading failure.
In step S4, the information reading and transmitting device sequentially reads and decodes the plurality of recognizable patterns to obtain a plurality of data packets.
In this embodiment, the information reading and transmitting device 12 includes a camera and a two-dimensional code decoder.
Fig. 5 is a flowchart of step S4 of the method for transmitting medical aid information according to the embodiment of the present invention.
As shown in fig. 5, step S4 specifically includes the following steps:
and step S4-1, shooting the displayed recognizable pattern through a camera to obtain an image containing the recognizable pattern.
That is, the two-dimensional code displayed by the display is shot by the camera to obtain an image containing the two-dimensional code.
And step S4-2, recognizing and decoding the recognizable patterns in the image to obtain a data packet.
That is, the two-dimensional code decoder identifies and decodes the two-dimensional code in the image, so as to obtain the data packet, which is not described in detail in the prior art.
And step S5, splicing the data packets into medical information by the information reading and transmitting device.
Fig. 6 is a flowchart of step S5 of the method for transmitting medical aid information according to the embodiment of the present invention.
As shown in fig. 6, step S5 specifically includes the following sub-steps:
and step S5-1, reading the sequence number information in each data packet.
And step S5-2, judging whether all the data packets are acquired according to the sequence number information.
That is, the maximum and minimum values in the sequence numbers are checked, and whether the sequence numbers are continuous or not is judged, wherein the maximum and minimum values are consistent, and the sequence numbers are continuous and have no omission, which means that all data packets corresponding to the medical information are obtained.
And step S5-3, when the judgment of the step S5-2 is yes, reading the verification information in each data packet.
In this embodiment, the check information is a CRC check code.
And S5-2a, generating corresponding warning information when the judgment of the step S5-2 is negative.
And step S5-4, judging whether all the data packets are valid according to the verification information.
That is, whether the corresponding data packet is correctly and completely transmitted is determined according to the read CRC check code, which is not described in detail in the prior art.
And S5-5, when the judgment of the step S5-4 is yes, reading the information segments in the data packets, and splicing the information segments into the medical information according to the sequence number information.
And S5-4a, generating corresponding warning information when the judgment of the step S5-4 is negative.
In the above steps, when the determination in step S5-2 or step S5-4 is negative, that is, when the data packet is missing or damaged and the complete medical information cannot be restored by the data packet, the information reading and transmitting device 12 generates corresponding warning information, and after observing the warning information, the manager can operate the information processing device 11 and the information reading and transmitting device 12 to redisplay and reread the corresponding two-dimensional code, so that the information is completely transmitted.
In step S6, the information reading and transmitting device transmits the medical information to the ambulance via the external network.
In this embodiment, the external network 30 is a 5G communication network, and therefore, the information reading and transmitting device 12 transmits the restored medical information to the ambulance 40 through the 5G communication network, that is, wirelessly. The ambulance 40 is provided with corresponding information receiving means and display means, and in particular the prior art will not be described in detail.
The embodiment also provides an information transmission system for medical aid based on recognizable patterns.
As shown in fig. 1 and 2, the information transmission system 10 for medical care includes the information processing device 11 and the information reading and transmitting device 12 described above.
The information processing apparatus 11 includes a data processing module 111, a graphic generation module 112, a graphic display module 113, and a processing-side control module 114.
The data processing module 111 processes the medical information to be transmitted by using the method in step S1, and divides the medical information into a plurality of data packets; the pattern generation module 112 generates a plurality of recognizable patterns from the plurality of packets by using the method in step S2; the graphic display module 113 sequentially displays the generated recognizable graphics by the method of the above-described step S3; the processing-side control module 114 controls operations of the data processing module 111, the graphics generation module 112, and the graphics display module 113.
The information reading and transmitting device 12 includes an image reading module 121, an image decoding module 122, an information splicing module 123, an information transmitting module 124, and a transmission side control module 125.
The graphic reading module 121 reads the recognizable graphic displayed by the graphic display module 113 by using the method in step S4; the graphics decoding module 122 decodes the recognizable graphics by the method in step S4 to obtain a plurality of data packets; the information splicing module 123 splices and restores the plurality of decoded data packets to the original medical information by using the method in the step S5; the information transmission module 124 transmits the restored medical information to the ambulance 40 using the method of step S6 described above.
Examples effects and effects
According to the information transmission method and system for medical aid provided by the embodiment, the information processing device 11 divides the medical information into a plurality of data packets according to the preset graphic information capacity, and then generates recognizable graphics for each data packet respectively, and displays the recognizable graphics in sequence, the information reading and transmitting device 12 reads and decodes the displayed recognizable graphics in sequence to obtain a plurality of corresponding information fragments, and then splices and restores the information fragments into the medical information, and transmits the medical information to the ambulance 40 through the treatment module network 30, so that compared with the data importing and exporting mode of manual intervention in the prior art, the real-time performance and the automation degree of information transmission are greatly improved. Since the information processing apparatus 11 is connected only to the internal network 21 of the military medical institution 20 and the information reading and transmitting apparatus 12 is connected only to the external network 30, there is no direct physical path therebetween, so that information theft or intrusion attack cannot be performed on the information processing apparatus 11 or the internal network 21 of the medical facility 20 by the information reading and transmitting apparatus 12, and at the same time, since a machine-recognizable figure is displayed without displaying original data, human-made information theft and stealing are also avoided. Therefore, the information transmission method and the system for medical aid realize the information transmission function and provide good data safety and confidentiality.
Specifically, the information processing apparatus 11 divides the medical information into a plurality of information pieces according to the number of bytes of the medical information and the number of bytes that the two-dimensional code can accommodate, and reserves a space for additional information, then packs each information piece, a corresponding serial number and a CRC check code into one data packet, converts each data packet into a two-dimensional code, and sequentially displays a plurality of two-dimensional codes through the display. The information reading and transmitting device 12 sequentially shoots and acquires a plurality of displayed two-dimensional codes through the camera, decodes the acquired two-dimensional codes through the two-dimensional code decoder to obtain each data packet, and then splices and restores the plurality of data packets into original medical information. Because each data packet contains a sequence number, splicing reduction can be carried out according to the sequence number to obtain original information; because each data packet also contains a CRC code, the information reading and transmitting device 12 can check whether the data packet is transmitted correctly and completely after obtaining the data packet, thereby ensuring the reliability of information transmission.
In addition, the information reading and transmitting device 12 of the present embodiment can implement the above functions by using a general-purpose camera and a graphic decoder, and does not need any special equipment with special design, so that the cost is low, the deployment is easy, and the maintenance is easy.
The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.
In the above embodiment, the recognizable pattern is a two-dimensional code, specifically a QR code, and accordingly, the information reading and transmitting device 12 includes a two-dimensional code decoder.
In the above embodiment, the information processing apparatus 11 is in communication connection with the internal server group through the internal network 21, so as to obtain the medical information to be transmitted.
Claims (7)
1. A medical rescue information transmission method for transmitting medical information from a medical device having a need for confidentiality to an ambulance, comprising:
a step S1 in which the information processing apparatus divides the medical information into a plurality of packets according to a predetermined graphic information capacity;
step S2, the information processing apparatus converts the plurality of packets into a plurality of recognizable patterns, respectively, according to a predetermined algorithm;
step S3, the information processing apparatus sequentially displays the plurality of recognizable graphics;
step S4, the information reading and transmitting device reads the plurality of recognizable graphs in sequence and decodes the recognizable graphs to obtain a plurality of data packets;
step S5, the information reading and transmitting device splices the data packets into the medical information;
step S6, the information reading and transmitting device transmits the medical information to the ambulance through the external network,
wherein the information processing apparatus is in communication connection with the medical device only through an internal network,
the information reading and transmitting device is only in communication connection with the external network and is in communication connection with the ambulance through the external network.
2. The information transmission method for medical care according to claim 1, characterized in that:
wherein, step S1 includes the following substeps:
step S1-1, acquiring the number of bytes of the medical information;
step S1-2, dividing the medical information into a plurality of information segments according to the byte number of the medical information and the graphic information capacity;
and step S1-3, packaging the information fragment, the corresponding sequence number information and the verification information into the data packet.
3. The information transmission method for medical care according to claim 1, characterized in that:
wherein, the information reading and transmitting device comprises a camera and a graphic decoder,
step S4 includes the following substeps:
step S4-1, shooting the displayed recognizable figure through the camera to obtain an image containing the recognizable figure;
step S4-2, recognizing and decoding the recognizable graphics in the image by the graphics decoder to obtain the corresponding data packet.
4. The information transmission method for medical care according to claim 3, characterized in that:
wherein the recognizable figure is a two-dimensional code,
the graphics decoder is a two-dimensional code decoder.
5. The information transmission method for medical care according to claim 2, characterized in that:
wherein, step S5 includes the following substeps:
step S5-1, reading the sequence number information in each data packet;
step S5-2, judging whether all the data packets are acquired according to the sequence number information;
step S5-3, when the judgment in step S5-2 is yes, reading the verification information in each data packet;
step S5-4, judging whether all the data packets are valid according to the check information;
and S5-5, when the judgment in the step S5-4 is yes, reading the information segments in the data packets, and splicing the information segments into the medical information according to the sequence number information.
6. The information transmission method for medical care according to claim 1, characterized in that:
wherein the external network is a 5G network,
the information transmission device is in communication connection with the ambulance in a wireless mode.
7. An information transmission system for medical aid for transmitting medical information from a medical facility having a confidential requirement to an ambulance, comprising:
an information processing device which is connected to the internal network communication of the medical facility only;
an information reading and transmitting device which is only connected with the communication of an external network and is connected with the ambulance through the external network,
wherein the information processing apparatus includes:
the data processing module is used for dividing the medical information into a plurality of data packets according to the preset graphic information capacity;
the graph generation module is used for generating recognizable graphs for the data packets according to a preset algorithm; and
a graphic display module for sequentially displaying each of the recognizable graphics,
the information reading and transmitting device comprises:
the figure reading module is used for sequentially reading the recognizable figures displayed by the figure display part;
an information analysis module for decoding the read recognizable pattern to obtain information segments,
the information splicing module splices the information segments into the medical information; and
and the information transmission module is used for transmitting the medical information to the ambulance through the external network.
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