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RESUMEN Objetivo: Desarrollar una revisión de artículos para evaluar la evidencia sobre la tecnología blockchain aplicada en la medicina. Métodos: El estudio es de tipo documental, diseño bibliográfico, enmarcado en una revisión sistemática. La recolección de los artículos se realizó en las bases de datos Scopus, Web of Sciences, Pro Quest y SienceDirect, desde el 1 de enero de 2018 hasta el 31 de julio de 2023. Los descriptores fueron blockchain, tecnología y medicina. Se elaboró el diagrama PRISMA y se consideró los criterios de inclusión: artículos originales, con acceso abierto que aborden el tema y en cualquier idioma. Se hallaron 70 artículos, de los cuales 11 conformaron la muestra. Resultados: Se analizaron las diversas aplicaciones de la tecnología blockchain en la medicina, entre ellas su integración con inteligencia artificial (IA) para el análisis centrado en datos; en cuanto al desarrollo de sistemas de trazabilidad, sin embargo, su mayor aplicabilidad está en el registro de historias médicas de pacientes, cuya aplicación fue exitosa. A pesar de esto, se comprobó su uso incipiente, en la medicina, debido a la ausencia de estudios al respecto. Conclusiones: La aplicación de la tecnología blockchain en la medicina es muy escasa, a pesar del potencial que posee para el registro y resguardo de datos médicos; por lo tanto, se debe profundizar el estudio de la misma.
ABSTRACT Objective: Develop an articles review to evaluate the existing evidence on blockchain technology applied in medicine. Methods: The study was of a documentary type, bibliographic design, framed in a systematic review. The harvest of articles was carried out in the Scopus, Web of Sciences, Pro Quest and ScienceDirect databases from January 1, 2018 to July 31, 2023. The descriptors were blockchain, technology and medicine. The PRISMA diagram was prepared considering the inclusion criteria: original articles, with open access; that address the subject and in any language. The search yielded 70 articles, of which 11 formed the sample. Results: The various applications of blockchain technology in medicine were discussed, including its integration with artificial intelligence (AI) for data-centric analysis; regarding the development of traceability systems, however, its greatest applicability is in the registration of medical records of patients, whose application was successful. Despite this, its incipient use in medicine was verified due to the lack of studies in this regard. Conclusions: The application of blockchain technology in medicine is very scarce, despite the potential it has for the registration and safeguarding of medical data, therefore, its study should be deepened.
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As a Chinese saying goes, "good Chinese medicinal material makes good medicine", the quality of Chinese herbal medicines is related to the development prospect of Chinese medicine industry in China. With the rapid development of new technologies such as traceability methods and monitoring instruments, it is imperative to integrate and innovate traditional Chinese herbal medicines with new-generation information technology in view of the quality problems existing in the current production and circulation of Chinese herbal medicines, and it is of great significance for the construction of traceability system to ensure the quality and safety of Chinese herbal medicines and to promote the industry of Chinese herbal medicines to move towards high-quality development. This paper reviews the development history of the traceability system of Chinese herbal medicines in China, takes the influencing factors of the quality of Chinese herbal medicines as the entry point, and proposes that the construction of the traceability system should satisfy the traceability requirements of the characteristics of Chinese herbal medicines and their traditional medication experience. By analyzing the influencing factors of the quality of Chinese herbal medicines, it is pointed out that focusing on the influencing factors to build a traceability system is of great significance for targeting the problematic links at a later stage and exploring the interrelationship between environmental factors and the quality of Chinese herbal medicines. Based on the previous explorations, the author summarizes the system framework, functional modules and practical applications of the traceability system of Chinese herbal medicines, and looks forward to the development of a traceability system with risk early warning function and expert decision-making function in its functional development. Finally, based on the factors affecting the quality of Chinese herbal medicines, the author puts forward several thoughts on construction of the traceability system, and makes an in-depth analysis and puts forward a solution for the current situation that a unified, standardized and universal traceability system has not yet been built, with a view to providing ideas and references for the construction of traceability system of Chinese herbal medicines.
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@#COVID-19 is a respiratory disease caused by SARS-CoV-2 infection,which has strong infectivity and seriously threatens human health all over the world. Vaccination is the most effective means to prevent SARS-CoV-2 infection. World Health Organization(WHO)has required the use of Global Standard 1(GS1)for the tracking and traceability of COVID-19vaccines and therapeutics. Traceability identification system is the basis and core of traceability system,as well as the premise of implementation of traceability,throughout the whole product traceability process. By carrying out unique global coding for all levels of packaging and logistics units of export vaccine products,and establishing vaccine traceability codes and logistics unit traceability codes,we can help export vaccine manufacturers establish traceability systems,realize the traceability of product information in production,circulation,use and other links,strengthen the quality and safety supervision of export vaccine products,strengthen the risk monitoring,early warning and effective disposal,as well as strengthen the recall of defective products and analysis of causes,so as to enhance the international market's trust and recognition of Chinese vaccine safety. This paper summarizes the importance of establishing traceability system for export vaccine products,the application of GS1 system in medical field at home and abroad,the traceability identification coding,barcode representation and quality requirements of export vaccine products,in order to provide a reference for establishing traceability identification system for export vaccine products in China and meeting the requirements of international standards and regulations.
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【Objective】 To investigate whether the current retention methods in blood stations can fully meet the traceability requirements of blood test results by analyzing the traceability of retained samples for syphilis antibody testing. 【Methods】 Thirty-four one-assay-positive deep-well plate retention samples, 68 double-assay-positive deep-well plate retention samples and 263 negative retention blood braids and corresponding deep-well plate retention samples that expired retention period for syphilis antibody testing from 2014 to 2020 in our center were collected. The TP-ELISA assays of two manufacturers were used for retesting, and the results were recorded and compared with the original results statistically. 【Results】 The concordance rate of the double-assay-positive and single-assay-positive samples with their corresponding deep-well plate samples was 98.53%(67/68) and 67.65%(23/34), respectively(P<0.05). Specific results for single-assay-positive syphilis antibody samples and their corresponding deep-well plate retention samples were as follows: 1) Single positive (reagent A): 13 out of 14 original samples were 0.65
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Smart manufacturing still remains critical challenges for pharmaceutical manufacturing. Here, an original data-driven engineering framework was proposed to tackle the challenges. Firstly, from sporadic indicators to five kinds of systematic quality characteristics, nearly 2,000,000 real-world data points were successively characterized from Ginkgo Folium tablet manufacturing. Then, from simplex to the multivariate system, the digital process capability diagnosis strategy was proposed by multivariate Cpk integrated Bootstrap-t. The Cpk of Ginkgo Folium extracts, granules, and tablets were discovered, which was 0.59, 0.42, and 0.78, respectively, indicating a relatively weak process capability, especially in granulating. Furthermore, the quality traceability was discovered from unit to end-to-end analysis, which decreased from 2.17 to 1.73. This further proved that attention should be paid to granulating to improve the quality characteristic. In conclusion, this paper provided a data-driven engineering strategy empowering industrial innovation to face the challenge of smart pharmaceutical manufacturing.
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OBJECTIVE To establish a drug batch number traceability management mode in intelligent anesthesia pharmacy of operating room, improve the management level of batch number traceability in anesthesia pharmacy of operating room and ensure the safety of surgical medication. METHODS The problems encountered in the application of batch number traceability management mode in intelligent anesthesia pharmacy of operating room were analyzed to implement the optimization measure and summarize the optimization effect. RESULTS In view of the incompatibility of multiple batch numbers on the dosing track, the insufficient number of drugs in the automated dispensing cabinet, the long replenishment time, the low stability of the automated dispensing cabinet, and the tedious management of drugs with a near-expiration period, the following measures were implemented, including changing the minimum unit of dosing, adjusting the drug base number and surgery schedule, optimizing the supplementary drug delivery order, repairing dosing tracks of the automated dispensing cabinet, adding the batch number correction function, improving the screening function of drugs with a near-expiration period, and configuring the automated dispensing cabinet in the recovery room. It realized the coexistence of multiple batch numbers on the dosing track, the sufficient number of drugs in the automated dispensing cabinet, the shortening of the replenishment time, the improvement in the stability of the automated dispensing cabinet, and the efficient management of drugs with a near-expiration period. CONCLUSIONS The batch number traceability management mode is established in intelligent anesthesia pharmacy of operating room in our hospital, which improves the system function module, optimizes the work process, increases the stability of the automated dispensing cabinet, improves the work efficiency, and realizes the refined management of surgical medication.
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By combing the development of tongue image,this paper analyzes the image features,advantages and disadvantages of different stages,and makes it clear that tongue image is an important carrier of clinical information of tongue diagnosis.It has been regarded as an important way to understand tongue image since the first monograph on tongue diagnosis.The article also analyzes the formation and development of modern digital and standardized tongue image,and explains the role and value of tongue image in the development of TCM tongue diagnosis terminology,providing reference for the formulation of international standards of TCM diagnosis terminology and the consensus reached by international experts.
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Objective To establish a quality traceability evaluation method for the whole honeysuckle oral solution process by identifying and screening its anti-inflammatory quality markers.Methods UPLC/-TOF-MS was used to analyze the iridoids and phenolic acids in oral solution,and the correlations were constructed by molecular network technology.The HPLC fingerprints of multiple batches of oral solution were established,and similarity analyses were performed to identify key pharmacodynamic molecules.The key anti-inflammatory quality markers were confirmed by the NF-κB dual luciferase assay system.Further,the quantification of 12 quality markers of iridoids and phenolic acids in oral solution was established separately based on the dual-wavelength HPLC technique.The quality of the oral solution was evaluated by examining the extraction and transfer rate of quality markers during the processing of raw materials and preparations and thermal stability.Results A total of 9 iridoids and 6 phenolic acids were identified in the oral solution,and the possible conversion relationships between their components were depicted.Fingerprint analysis of 11 batches of oral liquids showed that the composition of their main peaks was the same,with a similarity of more than 90%.Among them,6 iridoids(loganic acid,secologanoside,secologanic acid,sweroside,secoxyloganin,secologanin)and 6 phenolic acids(neochlorogenic acid,chlorogenic acid,cryptochlorogenic acid,isochlorogenic B,isochlorogenic A,isochlorogenic C)exhibited NF-κB inhibitory activity,which were the main pharmacological components and could be used as quality markers.The traceability of the above 12 quality markers was investigated in a multi-batch process based on the dual-wavelength HPLC method.The thermal stability studies of the raw materials revealed that the contents of their total iridoids and phenolic acids remained stable.Still,some of them would be transformed between components.The production process of the oral solution was stable,and the transfer rates of the iridoids and phenolic acids during the extraction,concentration and preparation were over 76%and 63%,respectively.Conclusion The method is stable,reliable,easy to operate and can evaluate the full honeysuckle oral solution process,which provides an effective means for the quality control of honeysuckle herbs and preparations.
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Objective To design a blockchain-based child growth and development data traceability system.Methods A blockchain-based child growth and development data traceability system was designed with B/S architecture,programmed with PHP,HTML5 and JavaScript languages and constructed with the technologies of blockchain data structure,digital signature,hash function and peer-to-peer network,which was composed of five functional modules for user management,patient management,medical examination management,blockchain management and system log.Results The system recorded and shared child growth and development data,realizing traceability of child growth and development data.Conclusion The system developed gains advantages in easy operation,decentralization,high security and privacy,solves the problems in child growth and development data traceability and provides assistance to pediatricians effectively.[Chinese Medical Equipment Journal,2023,44(10):38-43]
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This study explored three molecular typing methods for Vibrio parahaemolyticus(VP)in Liaoning Province in 2020,to assess the correlation among the three methods and the genetic relationships among between strains;analyze the epi-demic trends and distribution patterns of VPin Liaoning Province;and provide reliable technical support for the prevention and control of foodborne diseases.Serum typing,PFGE,REP-PCR,and ERIC-PCR molecular typing and cluster analysis were performed on 44 VP isolates from Liaoning Province in 2020.A total of 44 isolated strains were divided into 15 serotypes,and 8 isolated strains could not be classified.The serotypes were primarily O3 group,O1 group,and O2 group.Clinical isolates had high molecular similarity,whereas food isolates had low molecular similarity.The resolution(DI)of PFGE was 0.986,that of REP-PCR was 0.947,and that of ERIC-PCR was 0.935.The molecular similarity between serotype O3 and O1 group strains was high.The epidemic serotypes of isolated VP strains in Liaoning Province in 2020 were consistent with those from the past 5 years.The resolution of the PFGE typing method was better than that of REP-PCR and ERIC-PCR;moreover,REP-PCR had better resolution than ERIC-PCR.These three typing methods showed good intercorrelation.The O3 group strains are likely to originate from the O1 group strains.When a foodborne disease outbreak is caused by VP,laboratories with conditions can apply these three methods to trace the source of the pathogenic bacteriaquickly and effectively.
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ZHANG Zhongjing's Zhenwutang is a classic formula for warming Yang and excreting water. It is composed of Aconiti Lateralis Radix Praeparata, Poria, Atractylodis Macrocephalae Rhizoma, Paeoniae Radix Alba, and Zingiberis Rhizoma Recens. Physicians of later generations have inherited and developed this formula by detailed recording and application. This paper adopted bibliometrics method to analyze Zhenwutang in terms of history, indications, dosage, drug processing, usage, and modification. The results showed that Zhenwutang was most widely used in Ming and Qing dynasties. Many physicians have inherited ZHANG Zhongjing's theory regarding the application of Zhenwutang in disease treatment, and a few physicians have used it to treat diphtheria and water-related diseases. Some physicians modified this formula to treat maculae, intermittent dysentery, jaundice and so on. Zhenwutang was mainly used to treat diseases of the circulatory system, respiratory system and urinary system in modern clinical practice. The processing of herbal medicines in this formula was clear. Specifically, the raw material of Aconiti Lateralis Radix Praeparata needed to be processed and peeled, while those of Poria, Atractylodis Macrocephalae Rhizoma, Paeoniae Radix Alba, and Zingiberis Rhizoma Recens can be used directly. Although being different, most of the dosages were consistent with those in Treatise on Febrile Diseases. According to the textual research, it is suggested that the reference dosage of this prescription in clinical practice is 41.25 g for Poria, Paeoniae Radix Alba, and Zingiberis Rhizoma Recens, respectively, 27.5 g for Atractylodes macrocephala, and 15 g for Aconiti Lateralis Radix Praeparata. The medicinal materials should be decocted in 1 600 mL water to reach a volume of 600 mL. After removal of the residues, the decoction should be taken warm with 140 mL each time, three times a day. The textual research of Zhenwutang is expected to provide a theoretical reference for the clinical application and formulation of Zhenwutang.
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OBJECTIVES@#To explore the possibility of using human skin and oral microorganisms to estimate the geographic origin of an individual through the sequencing analysis of bacterial 16S rRNA gene.@*METHODS@#Microbial DNA was extracted from the palm and oral microorganisms of the Han population in Shanghai and Chifeng, Inner Mongolia, and the composition and diversity of the microbiota were analyzed by full-length 16S rRNA gene sequencing. Then, differential species were screened and a geographic location prediction model was constructed.@*RESULTS@#The compositions of palm and oral microorganisms between Shanghai and Chifeng samples were both different. The abundance and uniformity of palm side skin microorganisms were higher in Chifeng samples than in Shanghai samples, while there was no significant difference in oral microorganisms. Permutational multivariate analysis of variance (PERMANOVA) confirmed that the β-diversity between the samples from the two places were statistically significant, and the coefficients of determination (R2) for skin and oral samples were 0.129 and 0.102, respectively. Through principal co-ordinates analysis (PCoA), the samples from the two places could be preliminarily distinguished. The predictive model had the accuracies of 0.90 and 0.83 for the geographic origin using the skin and oral samples, respectively.@*CONCLUSIONS@#There are differences in the compositions of palm and oral microbiota between Han populations in Shanghai and Chifeng. The prediction model constructed by the random forest algorithm can trace the unknown individuals from the above two places.
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Humans , China , DNA, Bacterial/genetics , Microbiota/genetics , RNA, Ribosomal, 16S/genetics , Skin/microbiology , Forensic Genetics , High-Throughput Nucleotide Sequencing , Mouth/microbiologyABSTRACT
In order to solve the problems of quality control and traceability of medical test lung for meeting the calibration conditions of JJF 1234-2018 Calibration Specification for Ventilators, the calibration device and method are researched for compliance and airway resistance of medical test lung in this paper. A calibration device for medical test lung is designed using constant volume active piston technology to simulate human breathing. Through comparison experiment, the deviation between this device and the similar foreign device can be found. The deviation is lower than 0.4% for lung compliance and lower than 0.7% for airway resistance. The calibration of lung compliance and airway resistance can be completed by this device. This device has a clear and complete traceability path to ensure quality control from the source. The calibration of ventilator is improved. This paper provides a reference for related metrology departments and medical institutions to study on quality inspection of respiratory medical instruments.
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Humans , Calibration , Ventilators, Mechanical , Respiration , Quality Control , LungABSTRACT
Resumo Introdução O Ministério da Saúde (MS) é responsável pela vigilância da qualidade da água de consumo humano. A confiabilidade nos resultados do monitoramento de parâmetros analíticos minimiza riscos à saúde pública. Objetivo Retratar aspectos funcionais, a aplicação de ferramentas da qualidade e a aderência dos laboratórios públicos que atuam no monitoramento da água de consumo humano aos requisitos da norma ABNT NBR ISO/IEC 17025. Método A pesquisa foi realizada com 30 laboratórios públicos de todas as regiões do país, respondendo a um questionário elaborado com 49 perguntas sobre a formação e capacidade dos profissionais, garantia da validade dos resultados e sobre a determinação de parâmetros da qualidade da água. Resultados Dos 161 profissionais, 46% possuem mais de 10 anos de experiência e 65% têm formação superior. Capacitações específicas foram requeridas por todos. A validação dos métodos analíticos não foi realizada por 59%. Materiais de referência certificados são acessados por 41% e apenas 18% têm facilidade em adquiri-los. A participação em ensaios de proficiência foi reportada por 68% dos laboratórios, mas com poucos parâmetros avaliados e dificuldades em contratar provedores. Conclusão Evidenciou-se a necessidade de ações para fortalecimento da metrologia em laboratórios públicos que atuam na vigilância da qualidade da água.
Abstract Background The Ministry of Health (MS) is responsible for drinking water quality surveillance. Reliability in the results of monitoring analytical parameters minimizes public health risks. Objective To present functionals aspects and the application of quality tools by public laboratories that work to monitor the quality of drinking water. Method A survey was conducted with 30 public laboratories from all regions of the country, answering a questionnaire elaborated with 49 questions about the training and capacity of professionals, guaranteeing the validity of the results and about the determination of basic parameters of water quality. Results Of the 161 professionals, 46% have more than 10 years of experience and 65% have higher education. Specific training was required by everyone. The validation of the analytical methods was not performed by 59%. Reference materials are accessed by 41% and only 18% can acquire them easily. Participation in proficiency tests was reported by 68% of the laboratories, but with few parameters evaluated and difficulties in hiring providers. Conclusion The need for actions to strengthen metrology in public laboratories that work in water quality surveillance was highlighted.
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In the perspective of technical evaluation, the pre-marketing regulatory requirements of allergen detection reagents in China, America, European Union were compared, and the regulatory risks and performance requirements of this product were analyzed based on the monitoring of post-marketing adverse events, reference standards and domestic and foreign regulatory documents. In view of the "neck-stuck" problems such as the difficulty of clinical trials, the difficulty of finding comparable contrast reagents and the lack of clinical diagnostic gold standards, this paper discusses and gives regulatory suggestions, with a view to providing technical reference for product R&D, production, evaluation, approval and supervision in this field.
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Allergens , European Union , Indicators and Reagents , Marketing , Reference StandardsABSTRACT
Objective:To observe the epidemiological characteristics and transmission chain of COVID-19 in Harbin, and to provide epidemiological evidence for improving the COVID-19 preventive measures and optimizing prevention and control strategies.Methods:The epidemic situation of COVID-19 in Harbin in January 2021 was analyzed by using the Infectious Disease Report Information Management System and the Public Health Emergency Management Information System of the China Disease Prevention and Control Information System, the epidemic situation information publicly released by the Heilongjiang Provincial Health Commission, and the epidemiological report of Heilongjiang Province Certer for Disease Control and Prevention and Harbin Center for Disease Control and Prevention. The main transmission chains were sorted out through combination of epidemiological field investigation, serological testing, gene sequencing, big data and other means.Results:From January 12 to February 4, 2021, 295 cases of COVID-19 infection (including confirmed cases and asymptomatic infections) were reported in Harbin, which affected 6 districts of Harbin and were concentrated in 41 of the 274 townships in the city. The sex ratio of male to female was 1.00∶1.12 (139∶156); the age ranged from 1 to 86 years old, and the median age was 45 years old. The proportion of confirmed cases and asymptomatic infection was 1.00 ∶ 1.02 (146 ∶ 149), and there was a significant difference in the distribution of different ages between them ( P = 0.042). The cases were mainly found through the health screening of the centralized isolation personnel (178 cases, 60.3%). Other detection methods included active screening (87 cases, 29.5%), screening of the home isolation personnel (26 cases, 8.8%), and medical treatment in medical institutions (4 cases, 1.4%). The main transmission chain of the outbreak was the case associated with a food processing enterprise, with a total of 259 cases, accounting for 87.8% of the total cases. The gene sequencing results showed that the case sequence was homologous with that of Wangkui County, Suihua City, Heilongjiang Province. Conclusions:A food processing enterprise is involved in the main transmission chain, which indicates that the epidemic prevention and control measures needs to be further optimized. Specifically, the supervision and management of food processing enterprises, cold chain storage companies and other enterprises should be strengthened. High attention should be paid to the hidden dangers of COVID-19 in large and medium sized enterprises with hermetic space in Harbin.
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Las mediciones confiables, trazables metrológicamente y comparables proporcionan la base racional para la evaluación de la calidad de un resultado y el fortalecimiento de las redes de laboratorios clínicos, lo cual permite mejorar la calidad de atención y la seguridad del paciente. En este documento se revisan los principios básicos que deben seguirse para garantizar la trazabilidad de las mediciones del laboratorio clínico, las ventajas de utilizar métodos trazables, el impacto de no hacerlo, y se discuten las principales limitaciones para relacionar las mediciones con los estándares de medición de referencia apropiados
Reliable, metrologically traceable, and comparable measurements provide the rationale for evaluating the quality of a result and strengthening clinical laboratory networks, thereby improving quality of care and patient safety. This document reviews the basic principles that must be followed to ensure the traceability of clinical laboratory results, the advantages of using traceable methods, the impact of not doing so, and the main limitations in relating measurements to appropriate reference standards
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Data Accuracy , Reagent Kits, Diagnostic , Reference Standards , Calibration , Equipment and Supplies , International System of UnitsABSTRACT
RESUMEN La semilla es el insumo principal para el establecimiento de sistemas productivos agrícolas, por lo cual, durante la producción de semilla, una condición indispensable es que se mantenga la calidad del material en todo el proceso incremental. El Departamento de Semillas de la Corporación Colombiana de Investigación Agropecuaria-Agrosavia, comprometido con el cumplimiento de los requisitos establecidos en la Resolución ICA 3168 de 2015 y en el Decreto del MADR 931 de 2018, en todos sus procesos productivos, ha desarrollado e implementado un Sistema Interno de Trazabilidad (SIT) para la producción de semilla y, específicamente, en una de sus estrategias denominada Plan de Mínimos para cultivos semestrales soya, algodón, arroz, maíz y sorgo en los valles interandinos. Los resultados mostraron que esta herramienta tecnológica facilitó, en el proyecto, realizar el monitoreo y el seguimiento de las labores, el registro de eventos climáticos, el manejo eficiente de inventarios y el análisis de costos. Esta reflexión es un trabajo pionero en Colombia, que contribuye a la toma de decisiones, a mejorar la productividad y a fortalecer el Sistema Nacional de Semillas.
ABSTRACT Seed is the main input for the establishment of agricultural production systems, so during seed production an indispensable condition is that the quality of the material is maintained throughout the incremental process. The Seed Department of Colombian Agricultural Research Corporation- Agrosavia, committed to complying with the requirements established in Resolution ICA 3168 of 2015 and Decree MADR 931 of 2018in all its production processes, has developed and implemented an Internal Traceability System (SIT) for the production of seed and specifically in one of its strategies called Minimum Plan for semi-annual crops of soybean, cotton, rice, corn and sorghum in the inter-Andean valleys. The results show that this technological tool facilitated in the project carried out the monitoring and tracing of the crops work, the registry of climatic events, the efficient management of inventories and the analysis of costs. This is a pioneering work in Colombia, which contributes to decision making, improve productivity and strengthen the National Seed System.
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As a Chinese saying goes, "good Chinese medicinal material makes good medicine", the traceability of Chinese medicinal materials is closely related to the high-quality development of Chinese medicine industry. This article intends to analyze the "new era of smarter food safety blueprint" and Proposed Rule for Food Traceability related to food traceability of the U.S. Food and Drug Administration (FDA), including food traceability list, critical tracking events, and examples of exemptions. By studying the process and consideration of the construction of the FDA food traceability system, as well as the specific traceability requirements of fresh herbs, vegetables and fruits in the FDA food traceability system that are related to Chinese medicinal materials, on the one hand, it provides research materials for the communication and discussion of Chinese medicinal materials traceability, on the other hand, it also provides reference for the construction of food traceability system in China. To sort out the idea of constructing a traceability system for Chinese medicinal materials suitable for the current development status of traditional Chinese medicine, the contents to be considered are as follows:①To determine the traceability list of Chinese medicinal materials based on the risk control of Chinese medicinal materials. ②Determine the critical tracking links and information in the Chinese medicinal materials industry chain, and standardize the traceability information of Chinese medicinal materials. ③The quality information of Chinese medicinal materials should be reflected in the traceability of Chinese medicinal materials. ④Within the scope of the traceability list of Chinese medicinal materials, enterprises should be encouraged to make voluntary traceability by selecting Chinese medicinal materials with a good foundation of traceability work.
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Aiming at the shortcomings of traditional medical device tracking and supervision mode, such as delayed feedback of medical device positioning information, poor visual tracking effect of medical device, and missing early warning of medical device working state supervision, a medical device visual tracking and supervision system based on wireless Local Area Network (LAN) real-time positioning system is developed. Introduction of wireless LAN real-time positioning system, using standard coding algorithm generating device object ID tags, with the only attribute based on RFID read-write terminal complete physical mapping of medical equipment and material ID label, we realize a real-time positioning and traceability of medical equipment, with the help of active warning algorithm based on depth of learning medical equipment working state supervision for early warning, with the help of indoor map generation and trajectory playback medical equipment to realize visualization back regulation. Choose equipment of hospital of Linyi Central Hospital for performance evaluation of the carrier, the evaluation model of engineering practice and clinical statistical analysis, the results show that the system has a complete real-time positioning, visible trace, abnormal warning function. In medical equipment real-time positioning information visual tracing feedback, abnormal state warning etc, medical equipment has obvious advantages.