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La ceremonia de lanzamiento de "Promoción de salud bucal al oeste" se celebró en Xi'an
La ceremonia de lanzamiento de "Promoción de salud bucal al oeste" se celebró en Xi'an
Celebrada por la Asociación Estomatológica de China, la Asociación Estomatológica Provincial de Shaanxi, Guangzhou Colgate Palmolive Co., Ltd., la Cuarta Escuela de Estomatología de la Facultad de Medicina Militar, la Oficina de Control de Enfermedades del Ministerio de Salud y el Departamento de Asuntos Médicos apoyaron el desarrollo de la promoción de la salud oral y la estomatología. La ceremonia de lanzamiento de "Western Line y la nueva tecnología de la tecnología médica oral". El objetivo principal de esta actividad es llevar salud y educación oral a la provincia de Shaanxi. Respaldado por la Oficina de Control y Prevención de Enfermedades del Ministerio de Salud y patrocinado por la Asociación Estomatológica de China, el programa de actividades "Línea Oral de Desarrollo de Estomatología y Promoción de la Salud Oral" ha estado en funcionamiento durante cuatro años desde 2007 y está activo en 2-3 provincias occidentales cada año. La Asociación Estomatológica de China lanzó el "Desarrollo de la Salud Bucal y el Desarrollo de la Estomatología en la Región Occidental". El objetivo principal es cambiar la conciencia sobre la salud bucal de la población de la región occidental a través de la publicidad y la educación, la promoción de la salud y mejorar la Región Occidental mediante la capacitación de expertos y la capacitación avanzada. Cultive un grupo de esqueletos médicos orales para resolver aún más los problemas prácticos de las dificultades dentales en la región occidental y, finalmente, lograr el objetivo de promover el desarrollo de la estomatología occidental y mejorar la salud bucal de las masas. "La promoción de la salud bucal y el desarrollo de la medicina oral en el oeste" es un evento importante para que los estomatólogos chinos promuevan la mejora de la salud bucal en la región occidental de China, promuevan la conciencia de la salud bucal para todos y promuevan el desarrollo de la medicina bucal en China. La estación West Line Shaanxi es la tercera parada del evento. El programa de actividades "Stomp Medical New Technology Sanqin Line", patrocinado por la Asociación Estomatológica Provincial de Shaanxi y la Cuarta Escuela de Estomatología de la Universidad de Medicina Militar, continuará durante 2 años a partir de 2008. En 3-4 provincias y ciudades de Shaanxi para llevar a cabo actividades, "Dental Medical New Technology Sanqinxing" es la Asociación Estomatológica Provincial de Shaanxi y la Cuarta Escuela de Estomatología de la Universidad de Medicina Militar para promover el desarrollo efectivo de la medicina oral en la provincia de Shaanxi. El proyecto incluye el desarrollo de educación masiva en salud oral, capacitación de personal médico oral y construcción de redes médicas orales. En las áreas donde se lleva a cabo el proyecto, se realizará un chequeo de salud oral gratuito de manera específica, y se llevarán a cabo cursos de capacitación en tecnología clínica y oral para promover tecnologías avanzadas como el cierre de fosas y fisuras para mejorar la salud oral de las masas. En la ceremonia de lanzamiento, el Presidente Wang Xing de la Asociación de Estomatología de China, el Secretario General Wang Wei de la Asociación de Estomatología de China, el Director Li Qiang de Especialidad de Cuidado Bucal de Guangzhou Colgate Palmolive Co., Ltd., el Magistrado del Condado de Li Jinbin de la Provincia de Shaanxi, Provincia de Shaanxi, y el Presidente de la Asociación Estomatológica Provincial de Shaanxi, El Director Liu Shaoming del Departamento de Salud Provincial de Shaanxi, el Presidente Fan Daiming de la Cuarta Universidad Médica Militar y el Vicepresidente Li Dongyu de la Conferencia Consultiva Política Provincial de Shaanxi dieron un discurso. El presidente Wang Xing de la Asociación Estomatológica China transfirió la pancarta de "Desarrollo de la Promoción de la Salud Oral y la Estomatología al Oeste" al presidente de la Asociación Estomatológica Provincial de Shaanxi. El presidente de la Asociación de Estomatología de China, Wang Xing, y el vicepresidente Zhao Minmin presentaron más de 40 máquinas de tratamiento integral dental donadas por la Asociación de Estomatología de China a 10 hospitales de la provincia de Shaanxi. El presidente de la Asociación Estomatológica China Wang Xing, Director del Departamento de Cuidado Oral de Guangzhou Colgate Palmolive Co., Ltd. Li Qiang, el Presidente de la Asociación Estomatológica Provincial de Shaanxi, Zhao Yimin, y el Vicepresidente de la Conferencia Consultiva Política Provincial de Shaanxi, Li Dongyu, lanzaron conjuntamente el "Desarrollo Occidental de la Promoción de la Salud Oral y la Estomatología". "Stomatology New Technology Sanqin Line", patrocinada por la Escuela de Estomatología y la Escuela de Estomatología de la Cuarta Universidad de Medicina Militar, con el líquido blanco que contiene el negocio de salud bucal llenando el mapa de la provincia de Shaanxi, "Desarrollo de Estomatología y Estomatología Dental Western Line and Oral La
Ver detalles
Celebrada por la Asociación Estomatológica de China, la Asociación Estomatológica Provincial de Shaanxi, Guangzhou Colgate Palmolive Co., Ltd., la Cuarta Escuela de Estomatología de la Facultad de Medicina Militar, la Oficina de Control de Enfermedades del Ministerio de Salud y el Departamento de Asuntos Médicos apoyaron el desarrollo de la promoción de la salud oral y la estomatología. La ceremonia de lanzamiento de "Western Line y la nueva tecnología de la tecnología médica oral". El objetivo principal de esta actividad es llevar salud y educación oral a la provincia de Shaanxi. Respaldado por la Oficina de Control y Prevención de Enfermedades del Ministerio de Salud y patrocinado por la Asociación Estomatológica de China, el programa de actividades "Línea Oral de Desarrollo de Estomatología y Promoción de la Salud Oral" ha estado en funcionamiento durante cuatro años desde 2007 y está activo en 2-3 provincias occidentales cada año. La Asociación Estomatológica de China lanzó el "Desarrollo de la Salud Bucal y el Desarrollo de la Estomatología en la Región Occidental". El objetivo principal es cambiar la conciencia sobre la salud bucal de la población de la región occidental a través de la publicidad y la educación, la promoción de la salud y mejorar la Región Occidental mediante la capacitación de expertos y la capacitación avanzada. Cultive un grupo de esqueletos médicos orales para resolver aún más los problemas prácticos de las dificultades dentales en la región occidental y, finalmente, lograr el objetivo de promover el desarrollo de la estomatología occidental y mejorar la salud bucal de las masas. "La promoción de la salud bucal y el desarrollo de la medicina oral en el oeste" es un evento importante para que los estomatólogos chinos promuevan la mejora de la salud bucal en la región occidental de China, promuevan la conciencia de la salud bucal para todos y promuevan el desarrollo de la medicina bucal en China. La estación West Line Shaanxi es la tercera parada del evento. El programa de actividades "Stomp Medical New Technology Sanqin Line", patrocinado por la Asociación Estomatológica Provincial de Shaanxi y la Cuarta Escuela de Estomatología de la Universidad de Medicina Militar, continuará durante 2 años a partir de 2008. En 3-4 provincias y ciudades de Shaanxi para llevar a cabo actividades, "Dental Medical New Technology Sanqinxing" es la Asociación Estomatológica Provincial de Shaanxi y la Cuarta Escuela de Estomatología de la Universidad de Medicina Militar para promover el desarrollo efectivo de la medicina oral en la provincia de Shaanxi. El proyecto incluye el desarrollo de educación masiva en salud oral, capacitación de personal médico oral y construcción de redes médicas orales. En las áreas donde se lleva a cabo el proyecto, se realizará un chequeo de salud oral gratuito de manera específica, y se llevarán a cabo cursos de capacitación en tecnología clínica y oral para promover tecnologías avanzadas como el cierre de fosas y fisuras para mejorar la salud oral de las masas. En la ceremonia de lanzamiento, el Presidente Wang Xing de la Asociación de Estomatología de China, el Secretario General Wang Wei de la Asociación de Estomatología de China, el Director Li Qiang de Especialidad de Cuidado Bucal de Guangzhou Colgate Palmolive Co., Ltd., el Magistrado del Condado de Li Jinbin de la Provincia de Shaanxi, Provincia de Shaanxi, y el Presidente de la Asociación Estomatológica Provincial de Shaanxi, El Director Liu Shaoming del Departamento de Salud Provincial de Shaanxi, el Presidente Fan Daiming de la Cuarta Universidad Médica Militar y el Vicepresidente Li Dongyu de la Conferencia Consultiva Política Provincial de Shaanxi dieron un discurso. El presidente Wang Xing de la Asociación Estomatológica China transfirió la pancarta de "Desarrollo de la Promoción de la Salud Oral y la Estomatología al Oeste" al presidente de la Asociación Estomatológica Provincial de Shaanxi. El presidente de la Asociación de Estomatología de China, Wang Xing, y el vicepresidente Zhao Minmin presentaron más de 40 máquinas de tratamiento integral dental donadas por la Asociación de Estomatología de China a 10 hospitales de la provincia de Shaanxi. El presidente de la Asociación Estomatológica China Wang Xing, Director del Departamento de Cuidado Oral de Guangzhou Colgate Palmolive Co., Ltd. Li Qiang, el Presidente de la Asociación Estomatológica Provincial de Shaanxi, Zhao Yimin, y el Vicepresidente de la Conferencia Consultiva Política Provincial de Shaanxi, Li Dongyu, lanzaron conjuntamente el "Desarrollo Occidental de la Promoción de la Salud Oral y la Estomatología". "Stomatology New Technology Sanqin Line", patrocinada por la Escuela de Estomatología y la Escuela de Estomatología de la Cuarta Universidad de Medicina Militar, con el líquido blanco que contiene el negocio de salud bucal llenando el mapa de la provincia de Shaanxi, "Desarrollo de Estomatología y Estomatología Dental Western Line and Oral La
La detección temprana, el examen fino, el tratamiento rápido de las enfermedades dentales no pueden retrasarse
La detección temprana, el examen fino, el tratamiento rápido de las enfermedades dentales no pueden retrasarse
Long-term unexplained toothache should not be taken care of. In this issue of "Medical Interview", Sun Degang, deputy chief physician of the Department of Endodontics, Qingdao Stomatological Hospital, was invited to visit the Health Channel on some related problems of endodontic diseases and periodontosis. Netizens conducted online communication and achieved good results.
Ver detalles
Long-term unexplained toothache should not be taken care of. In this issue of "Medical Interview", Sun Degang, deputy chief physician of the Department of Endodontics, Qingdao Stomatological Hospital, was invited to visit the Health Channel on some related problems of endodontic diseases and periodontosis. Netizens conducted online communication and achieved good results.
Equipos médicos - mantenimiento de la fuente de alimentación.
Equipos médicos - mantenimiento de la fuente de alimentación.
Tiempo de emisión : 2019-05-18 14:34:00
Today's medical instrument technology is developing at a rapid pace. New medical devices are emerging one after another. No matter how advanced and complex the new device functions, one thing is indispensable. That is the power supply. It is the source of power for the entire instrument's energy conversion. Although the principles of various devices are different, the principle of the power supply is similar. The power failure rate is relatively high because the power supply often works in harsh environments. Next, especially the switching power supply, it is subjected to the impact of high current and high voltage of the whole machine. Therefore, in the substantial failure of component damage, the proportion of power supply failure is large. According to statistics, it accounts for more than 50%. Therefore, as long as the power supply, especially the maintenance of the switching power supply, can be carried out well, the medical equipment maintenance work can be carried out well. The following focuses on how to change the same - from the power supply. As a breakthrough to face the fault machine, to eliminate all kinds of complex fault switching power supply mainly by the full bridge rectifier circuit, start circuit, switching tube excitation circuit, stable The voltage control circuit, the output rectification and filtering circuit, and various protection circuits are composed. 1 Full-bridge rectifier circuit Full-bridge rectifier circuit input is 220 V AC. The output is 300 V DC high-voltage. The wearing parts are full-bridge rectifier diodes. As long as there is a damage, the entire bridge stack needs to be replaced. Because other diodes are definitely It has passed. There is also an electrolytic capacitor with a withstand voltage of 450 V. When the capacity of the capacitor is insufficient, many special faults will occur. For example, the computer system repeatedly crashes. The screen appears 50 Hz AC interference, etc. 2 Start circuit self-excited switching power supply f switch tube It acts as a switch. It is also the core component of the switching power supply gap oscillator. It consists of a resistor current limiting method: one end of the resistor is connected to 300 V DC high voltage. The other end is connected to the base of the switching tube. Due to the large resistance of the starting resistor (above 100 kΩ), the power is small. Therefore, it is a wearing part. After the resistor is disconnected, the switching power supply does not vibrate. There is no bleed circuit 300 V DC high voltage power can not be discharged for a long time. Therefore, pay attention to the discharge of the capacitor during maintenance. Its excitation switching power supply (the switching power supply of the switching power supply only acts as a switch. It does not participate in the formation of the oscillation pulse). There are two main ways: (1) 300 V voltage is limited by the resistor, and the voltage is reduced to supply the Vee of the integrated circuit: (2) The mains is stepped down by the resistor, the diode is rectified, and the Vcc power supply is the integrated block that participates in the oscillation and the step-down resistor. 3 The switch excitation circuit is composed of a switch tube, a switching transformer and a positive feedback loop. The consumables are the capacitors and resistors on the positive feedback loop. The excitation switching power supply consists of an oscillator, a logic processor, and an amplifier. Such a circuit is generally implemented by an integrated circuit or even a single thick film integrated block to realize a consumable part. The switch tube is generally composed of N-channel high-power FET. The method should be mastered. 4 The voltage-stabilized control circuit is divided into indirect error sampling and direct error sampling circuit according to the error sampling method. A sampling winding is arranged on the switching transformer. After rectifying and filtering, a voltage proportional to the output is obtained. This voltage is used to control the conduction degree of the switching tube. Therefore, the voltage regulation effect. When repairing such a switching power supply, it is necessary to pay attention to the dummy load to be repaired. The wearing parts are filter capacitors and potentiometers. The direct error sampling circuit refers to directly sampling the output voltage of the switching power supply. Therefore, the primary and secondary isolation components of the switching power supply should be added. Generally, the optocoupler is used. The wearing parts are the optocouplers. The output voltage rises significantly. 5 Voltage output circuit refers to the circuit of the switching transformer secondary through high frequency diode and capacitor filtering. The wearing parts are various current limiting resistors and filter capacitors. 6 Protection circuits generally have the following types: (1) spike absorbing circuit, Prevent the breakdown of the switch tube; (2) O
Ver detalles
Today's medical instrument technology is developing at a rapid pace. New medical devices are emerging one after another. No matter how advanced and complex the new device functions, one thing is indispensable. That is the power supply. It is the source of power for the entire instrument's energy conversion. Although the principles of various devices are different, the principle of the power supply is similar. The power failure rate is relatively high because the power supply often works in harsh environments. Next, especially the switching power supply, it is subjected to the impact of high current and high voltage of the whole machine. Therefore, in the substantial failure of component damage, the proportion of power supply failure is large. According to statistics, it accounts for more than 50%. Therefore, as long as the power supply, especially the maintenance of the switching power supply, can be carried out well, the medical equipment maintenance work can be carried out well. The following focuses on how to change the same - from the power supply. As a breakthrough to face the fault machine, to eliminate all kinds of complex fault switching power supply mainly by the full bridge rectifier circuit, start circuit, switching tube excitation circuit, stable The voltage control circuit, the output rectification and filtering circuit, and various protection circuits are composed. 1 Full-bridge rectifier circuit Full-bridge rectifier circuit input is 220 V AC. The output is 300 V DC high-voltage. The wearing parts are full-bridge rectifier diodes. As long as there is a damage, the entire bridge stack needs to be replaced. Because other diodes are definitely It has passed. There is also an electrolytic capacitor with a withstand voltage of 450 V. When the capacity of the capacitor is insufficient, many special faults will occur. For example, the computer system repeatedly crashes. The screen appears 50 Hz AC interference, etc. 2 Start circuit self-excited switching power supply f switch tube It acts as a switch. It is also the core component of the switching power supply gap oscillator. It consists of a resistor current limiting method: one end of the resistor is connected to 300 V DC high voltage. The other end is connected to the base of the switching tube. Due to the large resistance of the starting resistor (above 100 kΩ), the power is small. Therefore, it is a wearing part. After the resistor is disconnected, the switching power supply does not vibrate. There is no bleed circuit 300 V DC high voltage power can not be discharged for a long time. Therefore, pay attention to the discharge of the capacitor during maintenance. Its excitation switching power supply (the switching power supply of the switching power supply only acts as a switch. It does not participate in the formation of the oscillation pulse). There are two main ways: (1) 300 V voltage is limited by the resistor, and the voltage is reduced to supply the Vee of the integrated circuit: (2) The mains is stepped down by the resistor, the diode is rectified, and the Vcc power supply is the integrated block that participates in the oscillation and the step-down resistor. 3 The switch excitation circuit is composed of a switch tube, a switching transformer and a positive feedback loop. The consumables are the capacitors and resistors on the positive feedback loop. The excitation switching power supply consists of an oscillator, a logic processor, and an amplifier. Such a circuit is generally implemented by an integrated circuit or even a single thick film integrated block to realize a consumable part. The switch tube is generally composed of N-channel high-power FET. The method should be mastered. 4 The voltage-stabilized control circuit is divided into indirect error sampling and direct error sampling circuit according to the error sampling method. A sampling winding is arranged on the switching transformer. After rectifying and filtering, a voltage proportional to the output is obtained. This voltage is used to control the conduction degree of the switching tube. Therefore, the voltage regulation effect. When repairing such a switching power supply, it is necessary to pay attention to the dummy load to be repaired. The wearing parts are filter capacitors and potentiometers. The direct error sampling circuit refers to directly sampling the output voltage of the switching power supply. Therefore, the primary and secondary isolation components of the switching power supply should be added. Generally, the optocoupler is used. The wearing parts are the optocouplers. The output voltage rises significantly. 5 Voltage output circuit refers to the circuit of the switching transformer secondary through high frequency diode and capacitor filtering. The wearing parts are various current limiting resistors and filter capacitors. 6 Protection circuits generally have the following types: (1) spike absorbing circuit, Prevent the breakdown of the switch tube; (2) O
La ceremonia de lanzamiento de "Promoción de salud bucal al oeste" se realizó en Xi'an.
La ceremonia de lanzamiento de "Promoción de salud bucal al oeste" se realizó en Xi'an.
Held by the China Stomatological Association, the Shaanxi Provincial Stomatological Association, Guangzhou Colgate Palmolive Co., Ltd., the Fourth Military Medical University School of Stomatology, the Ministry of Health's Disease Control Bureau, and the Department of Medical Affairs supported the development of oral health promotion and stomatology The launching ceremony of the “Western Line and the New Technology of Oral Medical Technology”. The main purpose of this activity is to bring oral health and education to Shaanxi Province. Supported by the Ministry of Health's Disease Prevention and Control Bureau and sponsored by the China Stomatological Association, the “Oral Health Promotion and Stomatology Development Western Line” activity program has been in operation for four years since 2007 and is active in 2-3 western provinces each year. The Chinese Stomatological Association launched the "Development of Oral Health and the Development of Stomatology in the Western Region". The main purpose is to change the oral health awareness of the population in the western region through publicity and education, health promotion, and to improve the western region through expert training and advanced training. Cultivate a group of oral medical backbones to further solve the practical problems of dental difficulties in the western region, and finally achieve the goal of promoting the development of western stomatology and improving the oral health of the masses. "Oral health promotion and the development of oral medicine in the west" is a major event for Chinese stomatologists to further promote the improvement of oral health in the western region of China, promote the awareness of oral health care for all, and promote the development of oral medicine in China. The West Line Shaanxi Station is the third stop of the event. The “Stomp Medical New Technology Sanqin Line” activity program sponsored by the Shaanxi Provincial Stomatological Association and the Fourth Military Medical University School of Stomatology will continue for 2 years from 2008. In 3-4 Shaanxi provinces and cities to carry out activities, "Dental Medical New Technology Sanqinxing" is the Shaanxi Provincial Stomatological Association and the Fourth Military Medical University School of Stomatology to promote effective development of oral medicine in Shaanxi Province. The project includes the development of mass oral health education, oral medical personnel training and oral medical network construction. In the areas where the project is carried out, free oral health check will be carried out in a targeted manner, and oral clinical clinical technology training courses will be held to promote advanced technologies such as pit and fissure closure to effectively improve the oral health of the masses. At the launching ceremony, President Wang Xing of the Chinese Stomatological Association, Secretary-General Wang Wei of the Chinese Stomatological Association, Director Li Qiang of Oral Care Specialty of Guangzhou Colgate Palmolive Co., Ltd., Li Jinbin County Magistrate of Jia County, Shaanxi Province, and Zhao Yimin, President of Shaanxi Provincial Stomatological Association, Director Liu Shaoming of the Shaanxi Provincial Health Department, President Fan Daiming of the Fourth Military Medical University, and Vice Chairman Li Dongyu of the Shaanxi Provincial Political Consultative Conference made a speech. President Wang Xing of the Chinese Stomatological Association transferred the banner of "Development of Oral Health Promotion and Stomatology to the West" to the president of Shaanxi Provincial Stomatological Association.
Ver detalles
Held by the China Stomatological Association, the Shaanxi Provincial Stomatological Association, Guangzhou Colgate Palmolive Co., Ltd., the Fourth Military Medical University School of Stomatology, the Ministry of Health's Disease Control Bureau, and the Department of Medical Affairs supported the development of oral health promotion and stomatology The launching ceremony of the “Western Line and the New Technology of Oral Medical Technology”. The main purpose of this activity is to bring oral health and education to Shaanxi Province. Supported by the Ministry of Health's Disease Prevention and Control Bureau and sponsored by the China Stomatological Association, the “Oral Health Promotion and Stomatology Development Western Line” activity program has been in operation for four years since 2007 and is active in 2-3 western provinces each year. The Chinese Stomatological Association launched the "Development of Oral Health and the Development of Stomatology in the Western Region". The main purpose is to change the oral health awareness of the population in the western region through publicity and education, health promotion, and to improve the western region through expert training and advanced training. Cultivate a group of oral medical backbones to further solve the practical problems of dental difficulties in the western region, and finally achieve the goal of promoting the development of western stomatology and improving the oral health of the masses. "Oral health promotion and the development of oral medicine in the west" is a major event for Chinese stomatologists to further promote the improvement of oral health in the western region of China, promote the awareness of oral health care for all, and promote the development of oral medicine in China. The West Line Shaanxi Station is the third stop of the event. The “Stomp Medical New Technology Sanqin Line” activity program sponsored by the Shaanxi Provincial Stomatological Association and the Fourth Military Medical University School of Stomatology will continue for 2 years from 2008. In 3-4 Shaanxi provinces and cities to carry out activities, "Dental Medical New Technology Sanqinxing" is the Shaanxi Provincial Stomatological Association and the Fourth Military Medical University School of Stomatology to promote effective development of oral medicine in Shaanxi Province. The project includes the development of mass oral health education, oral medical personnel training and oral medical network construction. In the areas where the project is carried out, free oral health check will be carried out in a targeted manner, and oral clinical clinical technology training courses will be held to promote advanced technologies such as pit and fissure closure to effectively improve the oral health of the masses. At the launching ceremony, President Wang Xing of the Chinese Stomatological Association, Secretary-General Wang Wei of the Chinese Stomatological Association, Director Li Qiang of Oral Care Specialty of Guangzhou Colgate Palmolive Co., Ltd., Li Jinbin County Magistrate of Jia County, Shaanxi Province, and Zhao Yimin, President of Shaanxi Provincial Stomatological Association, Director Liu Shaoming of the Shaanxi Provincial Health Department, President Fan Daiming of the Fourth Military Medical University, and Vice Chairman Li Dongyu of the Shaanxi Provincial Political Consultative Conference made a speech. President Wang Xing of the Chinese Stomatological Association transferred the banner of "Development of Oral Health Promotion and Stomatology to the West" to the president of Shaanxi Provincial Stomatological Association.

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