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With the rapid development of medical technology, the accuracy and reliability of medical equipment are becoming more and more critical. However, the complex electromagnetic environment can easily interfere with the signal transmission of medical equipment and affect the diagnosis and treatment effect. Shanghai Fengchuang Industrial Co., Ltd. has been deeply involved in the field of electrical equipment for many years. With its strong R&D strength, it has successfully developed a high-performance filter. After practical application, it can improve the signal purity of medical equipment by 50% and successfully pass the medical-grade electromagnetic compatibility (EMC) test, which has brought new technological breakthroughs to the medical industry.

Since its establishment in 2010, Shanghai Fengchuang Industrial Co., Ltd. has always focused on the research and development, production, sales and maintenance services of industrial electrical equipment, and has gradually grown into a comprehensive national high-tech enterprise. Its "Fengyun-Fonyun" brand has outstanding performance in switching power supply, filters, transformers and other products, and has won market recognition with innovative technology and reliable quality. Faced with the strict requirements of medical equipment for electromagnetic compatibility, Fengchuang R&D team deeply studied the pain points of electromagnetic interference in the medical industry, invested a lot of resources in technical research, and committed to creating professional filter products suitable for medical scenes.

The sources of electromagnetic interference in medical environment are extensive and complex. There are many kinds of electronic equipment in the hospital, such as magnetic resonance imaging (MRI) equipment, ECG monitor, high-frequency electrotome, etc., which will produce electromagnetic signals of different frequency bands and interfere with each other during operation; At the same time, communication base stations and radio and television transmission towers in the external environment will also cause electromagnetic interference to medical equipment. These interferences will lead to signal distortion and data error of medical equipment, and even lead to equipment failure, which seriously threatens patients' life and health and medical safety. For example, if the ECG monitor is disturbed by electromagnetic interference, it may output wrong heart rate and blood pressure data, misleading doctors to diagnose.

In order to solve this problem, the medical special filter developed by Fengchuang has achieved many innovations in technology. In the circuit design, the unique multi-stage composite filtering topology and adaptive filtering algorithm are adopted. Multi-stage composite filtering topology combines common-mode choke, differential-mode inductor and high-performance capacitor to construct an efficient filtering network, which can accurately filter all kinds of electromagnetic interference signals from low frequency to high frequency. Adaptive filtering algorithm can monitor the electromagnetic environment changes of medical equipment in real time, automatically adjust filtering parameters, dynamically suppress sudden interference and ensure stable signal transmission. In terms of material selection, the filter is made of nanocrystalline soft magnetic material with high permeability, and the ceramic capacitor with low ESR is used as the filter capacitor. The shell is made of medical-grade plastic with high strength and good insulation, and it is fully enclosed with electromagnetic shielding treatment. The shielding efficiency is as high as 98dB, which can effectively resist external electromagnetic interference and prevent internal electromagnetic radiation from affecting patients and medical staff.

In the manufacturing process, Fengchuang adopts high-precision automatic production equipment and strict quality inspection process. Before leaving the factory, each filter has to undergo a number of strict tests, such as electrical performance test, mechanical performance test, environmental adaptability test, etc., especially for the needs of medical environment, biocompatibility test and disinfection resistance test have been added to ensure that the products meet the high standards of the medical industry. With excellent performance, Fengchuang filter successfully passed the medical-grade electromagnetic compatibility (EMC) test (YY0505 standard), and performed well in key indicators such as anti-electrostatic discharge and radio frequency electromagnetic field radiation immunity.

In practical application, the front filter has achieved remarkable results. After the introduction of the filter, several medical equipments in a 3A hospital were upgraded. The data show that the signal clutter of ECG machine is reduced by 60%, the image clarity of imaging equipment is obviously improved, the number of equipment failures caused by electromagnetic interference is reduced by 70%, and the signal purity of medical equipment is increased by 50% on average, which effectively improves the accuracy of medical diagnosis and the stability of equipment operation. The director of the equipment department of the hospital said: "The application of the front filter has greatly improved the electromagnetic compatibility of medical equipment in our hospital and provided a more reliable guarantee for clinical diagnosis and treatment."

With excellent performance and reliable quality, Shanghai Fengchuang Industrial Co., Ltd. has established cooperative relations with many medical equipment manufacturers and hospitals. In the future, Fengchuang will continue to increase R&D investment, keep up with the development trend of medical technology, continuously optimize the performance of filter products, introduce more innovative products to meet the needs of the medical industry, and contribute more to the high-quality development of the medical industry.

http://www.fonchuang.com
Shanghai Fonchuang Industrial Co.,Ltd.

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