CN117436469B - Medical consumable management method and system based on time division multi-frequency coexistence RFID - Google Patents
Medical consumable management method and system based on time division multi-frequency coexistence RFID Download PDFInfo
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- 238000000034 method Methods 0.000 claims abstract description 21
- 239000003550 marker Substances 0.000 claims abstract description 7
- 230000011218 segmentation Effects 0.000 claims abstract description 4
- 230000000172 allergic effect Effects 0.000 claims description 28
- 208000010668 atopic eczema Diseases 0.000 claims description 28
- 231100000419 toxicity Toxicity 0.000 claims description 12
- 230000001988 toxicity Effects 0.000 claims description 12
- 206010070834 Sensitisation Diseases 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 230000008313 sensitization Effects 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 9
- 206010002198 Anaphylactic reaction Diseases 0.000 claims description 4
- 230000036783 anaphylactic response Effects 0.000 claims description 4
- 208000003455 anaphylaxis Diseases 0.000 claims description 4
- 206010020751 Hypersensitivity Diseases 0.000 claims description 3
- 239000013566 allergen Substances 0.000 claims description 3
- 208000026935 allergic disease Diseases 0.000 claims description 3
- 230000007815 allergy Effects 0.000 claims description 3
- 206010002091 Anaesthesia Diseases 0.000 claims description 2
- 238000001949 anaesthesia Methods 0.000 claims description 2
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- 238000005516 engineering process Methods 0.000 description 5
- 238000001647 drug administration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
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- 230000002457 bidirectional effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
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- G06K17/0029—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 provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
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- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- 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
- G16H40/20—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 for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
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Abstract
The invention belongs to a method or a device for realizing cooperative operation among devices, and particularly relates to a medical consumable management method and a system based on time division multi-frequency coexistence RFID; the method comprises the steps of S1, RFID pairing of medical consumables; s2, establishing a medical consumable RFID special marker bit matrix; s3, establishing a patient RFID special tag matrix; s4, medical RFID frequency segmentation; s5, medical RFID communication; aiming at single-mode RFID communication, a multi-frequency and time-division coexisting RFID communication mode is provided, and the special purpose and the reliability of multi-frequency RFID communication are utilized to avoid cross-line interference and avoid accidents caused by using special consumables to a wrong patient; aiming at multi-mode RFID communication, a medical consumable RFID special zone bit matrix and a patient RFID special tag matrix are established, any medical consumable specificity is rapidly determined through rectangular multiplication and determinant calculation, special frequency is provided, and judging efficiency is improved.
Description
Technical Field
The invention belongs to a method or a device for realizing cooperative operation among devices, and particularly relates to a medical consumable management method and a system based on time division multi-frequency coexistence RFID.
Background
Medical consumables are consumable device equipment for diagnosis, treatment, health care, rehabilitation and the like, and are not carefully classified in China; the current state has no unified classification standard for medical consumables, and the medical consumables are classified by middle and small hospitals according to working experience; secondly, classifying according to manufacturer standards, wherein the manufacturer standards are different; thirdly, classifying according to the registration certificate names issued by the national drug administration and the local drug administration; fourth, the hospital staff refers to the classification catalog of the national drug administration, gathers all the registered names of the products, adds personal working experience and general consumable material calling for clinicians, and carries out secondary classification coding on all the products again for the product names of the products by factories.
Radio frequency identification (Radio FrequencyIdentification, RFID), which is one of automatic identification technologies, performs non-contact bidirectional data communication in a Radio frequency manner, and reads and writes a recording medium (an electronic tag or a Radio frequency card) in a Radio frequency manner, so as to achieve the purposes of identification targets and data exchange, and is considered as one of the information technologies with the most development potential in the 21 st century.
The radio frequency identification technology realizes non-contact two-way communication by combining radio wave with a rapid information exchange and storage technology and combining radio communication with a data access technology and then connecting a database system, thereby achieving the purpose of identification, being used for data exchange and being connected in series to form a very complex system. In the identification system, reading, writing and communication of the electronic tag are realized through electromagnetic waves. The communication distance can be divided into near field and far field, and for this purpose, the data exchange pattern between the read/write device and the electronic tag is correspondingly divided into load modulation and backscatter modulation.
Each communication mode requires a protocol: a protocol on how to exchange information. The protocol must address what kind of signals will be used, what kind of symbols will be used, how they are combined to generate meaningful data, and how channels are allocated reasonably to avoid collisions.
RFID protocols can be divided into tag-based protocols and reader-based protocols. These protocols define communication specifications between wireless devices that enable efficient communication between the devices. The tag-based protocol is a tag-based communication protocol that defines a communication specification between a tag and a reader to ensure that the tag can be read and tracked. Such protocols include ISO15693, ISO18000-3, and the like. The reader-based protocol is a reader-based communication protocol that defines a communication specification between the reader and the tag to ensure that the tag can be read and tracked. Such protocols include ISO14443, ISO 18000-6, and the like.
In the prior art, there are management methods for medical consumables:
chinese patent with bulletin number of CN115985479B discloses an RFID medical consumable intelligent shelf warehouse management system, method and device; specifically disclosed is: the application of medical consumables is electronic, and the applicant automatically matches with approvers after completing the consumable lead application; after each approver passes the approval, the special label of the applicant is modified according to the applied medical consumable information, and the medical consumable container identifies the special label to finish the leading of medical consumables; the procedure for receiving medical consumables is simplified; according to the method, the consumption of the medical consumable is analyzed by combining the environmental data at regular time, so that the consumable replenishment quantity is predicted and obtained, and the consumable replenishment bill is automatically generated according to the consumable replenishment quantity, so that automatic replenishment of the medical consumable is completed.
Chinese patent publication No. CN116912202a discloses a medical consumable supply management method, a mobile terminal and a computer readable storage medium, and specifically discloses: comprising the following steps: receiving hospital order application information based on an SPD medical consumable supply system, and generating an order; checking the stock quantity of the medical consumables in the order, and judging whether the stock quantity of the medical consumables is sufficient; and if the stock quantity of the medical consumables is sufficient, executing a shipping instruction on the medical consumables in the order, and storing the ex-warehouse information of the order. The medical consumable supply system has the advantages that order information of medical consumables of a hospital is received through the unified platform, all medical consumables are uniformly distributed to the hospital through the order information, the hospital and each medical consumable supplier or manufacturer are not required to order related medical consumables respectively, qualification examination is conducted on each supplier or manufacturer, all medical consumables are supplied through the same supply platform, the cost of medical consumable purchase management is reduced, the purchase efficiency is improved, and the quality and safety risk of medical consumable purchase is reduced.
The Chinese patent with publication number of CN116230191A discloses a medical high-value consumable management method and system, and specifically discloses: the method comprises the following steps: extracting sample feature sequences of each high-value consumable sample; according to the sample feature sequences of the high-value consumable samples, sample feature sequences of various high-value consumables are obtained; collecting images of the consumable cabinet according to preset time intervals; dividing the consumable cabinet image to obtain a plurality of image areas; classifying each image area according to the sample feature sequences of various high-value consumables; according to the area of each image area, calculating the stock quantity of various high-value consumables; according to the difference of the stock quantity of each high-value consumable in the two adjacent image acquisitions, calculating the historical loss quantity of each high-value consumable in each historical time period; calculating estimated loss according to the historical loss average value and the loss estimated value of the target value consumable; and when the current stock quantity of the target high-value consumable is difficult to meet the estimated loss quantity, initiating a replenishment application.
Chinese patent publication No. CN116313007a discloses a full life cycle management system for medical high-value consumables; specifically disclosed is: the system comprises a software system arranged on a cloud platform, and a computer and an intelligent cabinet which are distributed everywhere and connected with the software system through the Internet so that different people can log in the software system, wherein the software system is provided with a plurality of different modules, the authority of each module corresponds to the person using the module one by one, a management module is used for configuring and managing the management system, a database module is used for storing data generated by the full life cycle of consumable, the management system provides unique RFID codes for each consumable and is adhered on a consumable package, and the software system is provided with a notification module for timely notifying updated information to the corresponding person. The management system adopts RFID coding to code each consumable, so that each consumable has unique identification, thereby establishing a full life cycle management system from production to admission, and then to use and discard of the consumable, and realizing full flow information tracing of warehousing, ex-warehouse, leading and use of the consumable.
Chinese patent publication No. CN113409929a discloses a medical consumable data management platform; specifically disclosed is: the medical consumable data management system is applied to a hospital and is respectively in butt joint with a hospital HIS system and a supplier logistics system; the medical consumable data management system comprises an SPD central library and a plurality of secondary intelligent warehouses which are set up in a hospital; the supplier logistics system is used for acquiring shipping information provided by a supplier side according to the purchase order to be shipped to the SPD center library when receiving the purchase order of the medical consumable data management system; the medical consumable data management system is also used for binding the acquired medical consumable with the identity information of the leading person; when the retrieved medical consumable is used for a patient, the identity information of the patient is bound with the retrieved medical consumable. The invention solves the problems of poor information tracing effect and low working efficiency of the existing medical consumable.
The prior art also has some technical problems which are not solved yet:
1. the medical RFID communication in the prior art is either single frequency division communication or single time division communication; frequency division communication is inefficient, and time division communication involves the risk of crosstalk and chain scission.
2. The existing multi-mode RFID communication can not select a targeted RFID mode according to the specificity of medical consumables, including the control property, the sensitization property and the like, and can not be matched with the special communication requirements in the medical RFID field.
Disclosure of Invention
The invention provides a medical consumable management method based on time division multi-frequency coexistence RFID, which comprises the following steps:
s1, RFID pairing of medical consumables;
pasting medical RDIF labels on the outer package of the medical consumable and the consumable cabinet, and reading and writing the medical RDIF labels of the medical consumable and the consumable cabinet by a medical RDIF reader-writer and matching the medical RDIF labels to finish RFID matching of the medical consumable;
the medical RDIF reader-writer can simultaneously transmit a plurality of frequenciesThe medical RDIF tag has a multi-frequency coil capable of identifying a plurality of frequencies emitted by the medical RDIF reader/writer>Is a carrier signal of (a); wherein (1)>Representing a set of carrier frequencies,ithe number of the carrier frequency is expressed and is a natural number;
s2, establishing a medical consumable RFID special marker bit matrix;
establishing a medical consumable RFID special tag matrix according to the control property, toxicity and tingling property, sensitization property, prescription property and specificity of the medical consumableThe method comprises the following steps:
wherein,the medical consumable material comprises a control flag bit, a toxicity and tingling flag bit, a sensitization flag bit, a prescription flag bit and a special flag bit which respectively represent medical consumable materials, wherein the value is 0 or 1, positive is represented when the value is 1, and negative is represented when the value is 0; wherein,jis the serial number of the medical consumable,
s3, establishing a patient RFID special tag matrix;
establishing a patient RFID special tag matrix according to the use right of the patient to the medical consumable tube product, toxicity and tingling intolerance, anaphylaxis, prescription authority and special medicine use rightThe method comprises the following steps:
wherein,kfor the patient serial number,respectively represent the firstkPatient pair 1jA control product use right label, a toxin-anaesthesia intolerance label, an allergic label, a prescription authority label and a special medicine use right label of the medical consumable, wherein the value is 0 or 1, the value is 1, the control product use right label is authorized or positive, and the value is 0, the control product use right label is unauthorized or negative;
s4, medical RFID frequency segmentation;
according to the medical consumable RFID special tag bit matrix and the patient RFID special tag matrix, a plurality of frequencies are generatedSplitting into dedicated frequencies +.>And a time division frequency->；
Wherein the subscriptcSequence number, subscript indicating special frequencydThe sequence numbers of the time division frequency are represented, c and d are natural numbers and the value ranges are differentAs same as
S5, medical RFID communication;
according to a specific frequencyAnd a time division frequency->RFID communication, the RFID communication of many consumptive materials, many patients based on the multifrequency passageway is realized.
Further, the step S4 specifically includes:
s41, determining a patient allergic tag; if the patient is allergic to a certain medical consumable, setting the allergic label of the patient to the medical consumable to be 1, otherwise, setting the allergic label to be 0;
s42, calculating the specificity of the medical consumable by matrix multiplication, and determining whether to use the special frequency or the time division frequency according to the specificity of the medical consumable.
Further, step S41 specifically includes:
s411, determining a required medical consumable set of the kth patientAllergen Congress->；
S412, judging the required medical consumable setAllergen Congress->Whether the intersection of (a) is an empty set, i.e., whether:
wherein x represents the serial number of the medical consumable required by the patient and y represents the allergen of the patient;
if yes, setting all allergy tags of the patient to 0;
if not, determining an allergic medical consumable set through intersection operation, setting an allergic tag of the allergic medical consumable to be 1, and setting a non-allergic tag to be 0.
Further, step S42 specifically includes:
s421, RFID special label matrix for patientTranspose to obtain->The method comprises the following steps:
s422, calculating determinant of matrix multiplicationThe method comprises the following steps:
s423, determining determinant of matrix multiplicationWhether 0 is determined, namely whether the following conditions are satisfied:
if yes, determine the firstjMedical consumable pairkThe patient has no special property and is provided with the firstkPatient pair 1jThe RFID communication of the medical consumables uses time division frequency;
if not, determine thejMedical consumable pairkThe patient has specificity and is provided withkPatient pair 1jThe RFID communication of medical consumables uses a dedicated frequency.
Furthermore, for medical consumables with specificity, a special frequency is independently occupied from successful matching to completion of use, so that single-person single-consumable single-frequency continuous communication is realized.
Further, for the medical consumables without specificity, from successful matching to finishing, a plurality of medical consumables without specificity occupy the same time division frequency, and different time periods are sequentially distributed to the medical consumables without specificity by the time division frequency, so that intermittent and circulating communication is realized.
Further, for medical consumables with specificity, after the use is completed, the occupied special frequency is released, and the frequency continues to serve as the special frequency for RFID communication of other medical consumables with specificity.
Furthermore, for medical consumables with specificity, after the medical consumables are used, the occupied special frequency is released, and when the RFID communication requirement of other medical consumables with specificity does not exist, the special frequency is converted into time division frequency.
The invention also provides a medical consumable management system based on the time-division multi-frequency coexisting RFID, which is used for executing the medical consumable management method based on the time-division multi-frequency coexisting RFID and comprises a multi-frequency medical RDIF reader and a multi-frequency medical RDIF tag;
the multi-frequency medical RDIF reader comprises a specificity judging module and a frequency dividing module;
the specificity judging module is used for calculating the specificity of the medical consumable according to the medical consumable RFID special marker bit matrix and the patient RFID special tag matrix;
the frequency division module is used for dividing a plurality of frequencies into special frequencies and time division frequencies according to the specificity of medical consumables.
Advantageous effects
1. Aiming at single-mode RFID communication in the prior art, the invention provides a multi-frequency and time-division coexisting RFID communication mode, and special consumables including special line communication of control consumables, toxic and hemp consumables, sensitization consumables, special consumables and prescription consumables can be ensured by utilizing the specificity and reliability of multi-frequency RFID communication, so that cross-line interference is avoided, and accidents caused by using the special consumables to patients with errors can be effectively avoided.
2. Aiming at multi-mode RFID communication in the prior art, the invention establishes a medical consumable RFID special zone bit matrix and a patient RFID special tag matrix, can quickly determine whether any medical consumable has specificity through rectangular multiplication and determinant calculation, then judges whether special frequency is required to be provided according to the specificity, and improves the judging efficiency, namely, the invention particularly provides a unique creative idea that the specificity of the medical consumable is judged by a matrix algorithm instead of other algorithms.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution of the embodiments of the present invention will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
Embodiment one:
a medical consumable management method based on time division multi-frequency coexistence RFID comprises the following steps:
s1, RFID pairing of medical consumables;
pasting medical RDIF labels on the outer package of the medical consumable and the consumable cabinet, and reading and writing the medical RDIF labels of the medical consumable and the consumable cabinet by a medical RDIF reader-writer and matching the medical RDIF labels to finish RFID matching of the medical consumable;
the medical RDIF reader-writer can simultaneously transmit a plurality of frequenciesThe medical RDIF tag has a multi-frequency coil capable of identifying a plurality of frequencies emitted by the medical RDIF reader/writer>Is a carrier signal of (a); wherein (1)>Representing a set of carrier frequencies,ithe number of the carrier frequency is expressed and is a natural number;
s2, establishing a medical consumable RFID special marker bit matrix;
establishing a medical consumable RFID special tag matrix according to the control property, toxicity and tingling property, sensitization property, prescription property and specificity of the medical consumableThe method comprises the following steps:
wherein,the medical consumable material comprises a control flag bit, a toxicity and tingling flag bit, a sensitization flag bit, a prescription flag bit and a special flag bit which respectively represent medical consumable materials, wherein the value is 0 or 1, positive is represented when the value is 1, and negative is represented when the value is 0; wherein,jis the serial number of the medical consumable,
s3, establishing a patient RFID special tag matrix;
establishing a patient RFID special tag matrix according to the use right of the patient to the medical consumable tube product, toxicity and tingling intolerance, anaphylaxis, prescription authority and special medicine use rightThe method comprises the following steps:
wherein,kfor the patient serial number,respectively represent the firstkPatient pair 1jTube product use right label, toxin-and-hemp intolerance label, anaphylaxis label, prescription authority label and special medicine use right label of medical consumableWhen the value is 0 or 1, the value is 1, the right or positive is indicated, and when the value is 0, the non-right or negative is indicated;
s4, medical RFID frequency segmentation;
according to the medical consumable RFID special tag bit matrix and the patient RFID special tag matrix, a plurality of frequencies are generatedSplitting into dedicated frequencies +.>And a time division frequency->；
Wherein the subscriptcSequence number, subscript indicating special frequencydThe serial numbers of the time division frequency are represented, c and d are natural numbers and the value ranges are different
S5, medical RFID communication;
according to a specific frequencyAnd a time division frequency->RFID communication, the RFID communication of many consumptive materials, many patients based on the multifrequency passageway is realized.
The step S4 specifically comprises the following steps:
s41, determining a patient allergic tag; if the patient is allergic to a certain medical consumable, setting the allergic label of the patient to the medical consumable to be 1, otherwise, setting the allergic label to be 0;
s42, calculating the specificity of the medical consumable by matrix multiplication, and determining whether to use the special frequency or the time division frequency according to the specificity of the medical consumable.
The step S41 specifically includes:
s411, determining a required medical consumable set of the kth patientAllergen Congress->；
S412, judging the required medical consumable setAllergen Congress->Whether the intersection of (a) is an empty set, i.e., whether:
wherein x represents the serial number of the medical consumable required by the patient and y represents the allergen of the patient;
if yes, setting all allergy tags of the patient to 0;
if not, determining an allergic medical consumable set through intersection operation, setting an allergic tag of the allergic medical consumable to be 1, and setting a non-allergic tag to be 0.
The step S42 specifically includes:
s421, RFID special label matrix for patientTranspose to obtain->The method comprises the following steps:
s422, calculating determinant of matrix multiplicationThe method comprises the following steps:
s423, determining determinant of matrix multiplicationWhether 0 is determined, namely whether the following conditions are satisfied:
if yes, determine the firstjMedical consumable pairkThe patient has no special property and is provided with the firstkPatient pair 1jThe RFID communication of the medical consumables uses time division frequency;
if not, determine thejMedical consumable pairkThe patient has specificity and is provided withkPatient pair 1jThe RFID communication of medical consumables uses a dedicated frequency.
The medical consumable RFID special tag matrix is provided with 5 flag bits, namely a control flag bit, a toxicity and tingling flag bit, a sensitization flag bit, a prescription flag bit and a special flag bit, when one medical consumable has control, toxicity and tingling, sensitization, prescription and special properties, the value of the corresponding flag bit is 1, otherwise, the value of the corresponding flag bit is 0.
For a patient RFID special tag matrix, the patient RFID special tag matrix is provided with 5 tags, namely a control product use right tag, a toxicity and tingling intolerance tag, an allergic tag, a prescription authority tag and a special medicine use right tag; when the patient is not authorized to use the tube product, the toxic and spicy product, the prescription product and the special medicine, the corresponding label takes a value of 1, and when the patient is allergic to a certain medicine, the value of 1 is taken.
Thus, the first and second substrates are bonded together,if the flag bit and the tag group with the value of 1 do not exist, the value of the arithmetic expression is 0, namely the special feature is not provided, otherwise the special feature is provided.
For medical consumables with specificity, a special frequency is occupied independently from successful matching to completion of use, so that single-person single-consumable single-frequency continuous communication is realized.
For medical consumables without specificity, from successful matching to finishing of use, the medical consumables without specificity occupy the same time division frequency, and the time division frequency sequentially distributes different time periods to the medical consumables without specificity to realize intermittent and circulating communication.
For medical consumables with specificity, after the medical consumables are used, the occupied special frequency is released, and the frequency continues to serve as the special frequency for RFID communication of other medical consumables with specificity.
For medical consumables with specificity, after the medical consumables are used, the occupied special frequency is released, and when the RFID communication requirement of other medical consumables with specificity does not exist, the special frequency is converted into time division frequency.
Example two
A medical consumable management system based on time division multi-frequency coexisting RFID is used for executing the medical consumable management method based on time division multi-frequency coexisting RFID and comprises a multi-frequency medical RDIF reader and a multi-frequency medical RDIF label;
the multi-frequency medical RDIF reader comprises a specificity judging module and a frequency dividing module;
the specificity judging module is used for calculating the specificity of the medical consumable according to the medical consumable RFID special marker bit matrix and the patient RFID special tag matrix;
the frequency division module is used for dividing a plurality of frequencies into special frequencies and time division frequencies according to the specificity of medical consumables.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present invention after reading the present specification, and these modifications and variations do not depart from the scope of the invention as claimed in the pending claims.
Claims (9)
1. A medical consumable management method based on time division multi-frequency coexistence RFID is characterized by comprising the following steps:
s1, RFID pairing of medical consumables;
pasting medical RDIF labels on the outer package of the medical consumable and the consumable cabinet, and reading and writing the medical RDIF labels of the medical consumable and the consumable cabinet by a medical RDIF reader-writer and matching the medical RDIF labels to finish RFID matching of the medical consumable;
the medical RDIF reader-writer can simultaneously transmit a plurality of frequenciesThe medical RDIF tag has a multi-frequency coil capable of identifying a plurality of frequencies emitted by the medical RDIF reader/writer>Is a carrier signal of (a); wherein (1)>Representing a set of carrier frequencies,ithe number of the carrier frequency is expressed and is a natural number;
s2, establishing a medical consumable RFID special marker bit matrix;
establishing a medical consumable RFID special tag matrix according to the control property, toxicity and tingling property, sensitization property, prescription property and specificity of the medical consumableThe method comprises the following steps:
；
wherein,the medical consumable material comprises a control flag bit, a toxicity and tingling flag bit, a sensitization flag bit, a prescription flag bit and a special flag bit which respectively represent medical consumable materials, wherein the value is 0 or 1, positive is represented when the value is 1, and negative is represented when the value is 0; wherein,jis a medical consumable serial number;
s3, establishing a patient RFID special tag matrix;
establishing a patient RFID special tag matrix according to the use right of the patient to the medical consumable tube product, toxicity and tingling intolerance, anaphylaxis, prescription authority and special medicine use rightThe method comprises the following steps:
；
wherein,kfor the patient serial number,respectively represent the firstkPatient pair 1jA control product use right label, a toxin-anaesthesia intolerance label, an allergic label, a prescription authority label and a special medicine use right label of the medical consumable, wherein the value is 0 or 1, the value is 1, the control product use right label is authorized or positive, and the value is 0, the control product use right label is unauthorized or negative;
s4, medical RFID frequency segmentation;
according to the medical consumable RFID special tag bit matrix and the patient RFID special tag matrix, a plurality of frequencies are generatedSplitting into dedicated frequencies +.>And a time division frequency->；
Wherein the subscriptcSequence number, subscript indicating special frequencydThe sequence numbers of the time division frequency are represented, c and d are natural numbers and the value ranges are different;
s5, medical RFID communication;
according to a specific frequencyAnd a time division frequency->RFID communication, the RFID communication of many consumptive materials, many patients based on the multifrequency passageway is realized.
2. The medical consumable management method based on time-division multi-frequency coexistence RFID according to claim 1, wherein step S4 specifically comprises:
s41, determining a patient allergic tag; if the patient is allergic to a certain medical consumable, setting the allergic label of the patient to the medical consumable to be 1, otherwise, setting the allergic label to be 0;
s42, calculating the specificity of the medical consumable by matrix multiplication, and determining whether to use the special frequency or the time division frequency according to the specificity of the medical consumable.
3. The medical consumable management method based on time-division multiple frequency coexistence RFID according to claim 2, wherein step S41 specifically comprises:
s411, determining a required medical consumable set of the kth patientAllergen Congress->；
S412, judging the required medical consumable setAllergen Congress->Whether the intersection of (a) is an empty set, i.e., whether:
；
wherein x represents the serial number of the medical consumable required by the patient and y represents the allergen of the patient;
if yes, setting all allergy tags of the patient to 0;
if not, determining an allergic medical consumable set through intersection operation, setting an allergic tag of the allergic medical consumable to be 1, and setting a non-allergic tag to be 0.
4. A medical consumable management method based on time-division multiple frequency co-existence RFID according to claim 2 or 3, wherein step S42 specifically comprises:
s421, RFID special label matrix for patientTranspose to obtain->The method comprises the following steps:
；
s422, calculating determinant of matrix multiplicationThe method comprises the following steps:
；
s423, determining determinant of matrix multiplicationWhether 0 is determined, namely whether the following conditions are satisfied:
；
if yes, determine the firstjMedical consumable pairFirst, thekThe patient has no special property and is provided with the firstkPatient pair 1jThe RFID communication of the medical consumables uses time division frequency;
if not, determine thejMedical consumable pairkThe patient has specificity and is provided withkPatient pair 1jThe RFID communication of medical consumables uses a dedicated frequency.
5. The medical consumable management method based on the time-division multi-frequency coexistence RFID according to claim 4, wherein for medical consumables with specificity, a special frequency is independently occupied from successful matching to complete use, and single-person single-consumable single-frequency continuous communication is realized.
6. The medical consumable management method based on the time-division multi-frequency coexistence RFID according to claim 4, wherein for medical consumables without specificity, a plurality of medical consumables without specificity occupy the same time-division frequency from successful matching to completion of use, and the time-division frequency sequentially distributes different time periods to the plurality of medical consumables without specificity to realize intermittent and cyclic communication.
7. The method for managing medical consumables based on time-division multiple frequency coexistence RFID according to claim 5, wherein the special frequency occupied by the medical consumables with specificity is released after the medical consumables with specificity are used, and the special frequency is continuously used as the special frequency for RFID communication of other medical consumables with specificity.
8. The medical consumable management method based on time-division multiple frequency coexistence RFID according to claim 5, wherein the special frequency occupied by the medical consumable with specificity is released after the medical consumable with specificity is used, and the special frequency is converted into time-division frequency when the RFID communication requirement of other medical consumables with specificity does not exist.
9. A medical consumable management system based on time-division multiple frequency coexistence RFID for executing the medical consumable management method based on time-division multiple frequency coexistence RFID according to any one of claims 1-8, wherein:
comprises a multi-frequency medical RDIF reader and a multi-frequency medical RDIF label;
the multi-frequency medical RDIF reader comprises a specificity judging module and a frequency dividing module;
the specificity judging module is used for calculating the specificity of the medical consumable according to the medical consumable RFID special marker bit matrix and the patient RFID special tag matrix;
the frequency division module is used for dividing a plurality of frequencies into special frequencies and time division frequencies according to the specificity of medical consumables.
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