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Testing method for electromagnetic field induced by electrical potential therapy equipment

Chinese Medical Equipment Journal.2015;36(5):127-129. doi:10.7687/J.ISSN1003-8868.2015.05.127

The testing conditions and devices in the standards of China and foreign countries were summarized. The testing method was analyzed for the electromagnetic field induced by electrical potential therapy equipment. The safety range was proposed for the electromagnetic field of the tester, and then the risk was reduced greatly to the patient.

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Hospital medical equipment purchase demonstration based on cost-benefit analysis

Jianfei PANG ; Shangjun LI ; Liang WEI

Chinese Medical Equipment Journal.2015;36(5):119-121. doi:10.7687/J.ISSN1003-8868.2015.05.119

Objective To establish an optimization model of hospital medical equipment purchase based on cost-benefit analysis to enhance equipment purchase demonstration.Methods An integer programming model for the types and amount of purchased hospital medical equipment was constructed with the cost benefit parameters based on market survey and the hospital annual purchase plan. LINGO optimization software was used to determine the optimal purchase scheme.Results The model acquired was applied to medical equipment purchase demonstration in some hospital, so that the purchase scheme was formed rapidly as desired.Conclusion The model may promote hospital medical equipment purchase demonstration and provide references for equipment selection.

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Automation of hyperbaric oxygen chamber

Haidong WANG ; Dunxiao ZHANG ; Lin LI ; Xiao WEI ; Shuyi PAN

Chinese Medical Equipment Journal.2015;36(5):116-118. doi:10.7687/J.ISSN1003-8868.2015.05.116

The structure of the hyperbaric oxygen chamber was introduced, and the application of automatic control system to the chamber was discussed from the aspects of the function and information system. The automatic control system can be used for monitoring and control of equipment condition, operation flow and performance data during hyperbaric oxygen therapy, which enhances the efficiency and safety of hyperbaric oxygen chamber.

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Development overview and suggestions of the US armed forces' medical electronic health record system

Kai ZHANG ; Lijun GUO ; Ruichang WU ; Ze ZHANG

Chinese Medical Equipment Journal.2015;36(5):112-115. doi:10.7687/J.ISSN1003-8868.2015.05.112

The development overview of the US armed forces' medical electronic health record system was described, including its emergence background, development process, block deployment, battlefield application, recent development and future trends, etc. Meantime, the related systems of the PLA were explained. Then, some suggestions on the development of the PLA health informatization were put forward, including emphasis on top-level design and overall planning, stepwise implementation and sequential advance, combined utilization during war and peacetime and integrated development, civil-military integration and technology outsourcing, etc.

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Researchprogress of radar for non-contact medical monitoring

Bingwen LIU ; Mi HE

Chinese Medical Equipment Journal.2015;36(5):107-111. doi:10.7687/J.ISSN1003-8868.2015.05.107

The advantages of non-contact medical monitoring radar were introduced compared with the traditional medical monitoring devices. The state of art of three kinds of typical medical monitoring radar schemes over the past decade was reviewed. Researches on breathing and heartbeat signal extraction, isolation and clutter suppression algorithms were summarized. The advantages and disadvantages of these algorithms were also pointed out. The prospects of non-contact medical monitoring radar were explored finally.

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Factors affecting digital image white balance of biological microscope

Chao YUAN ; Tong ZHAO ; Yujian AO ; Huan CHENG

Chinese Medical Equipment Journal.2015;36(5):95-97. doi:10.7687/J.ISSN1003-8868.2015.05.095

Objective To study the influencing factors of digital image white balance of the biological microscope and the way to obtain optimized image.Methods Color temperature meter was used to measure the influences of the factors and their correlations, and SASS software was employed for statistical analysis.Results Object lens might increase the color temperature by 200 to 300 K, LBD color filter could enhance it by 400 to 1 800 K. Reducing field stop by 90% might decrease color temperature by 400 K. ND6 filter, ND25 filter and aperture diaphragm had no influences on color temperature.Conclusion The electric and optical parameters of biological microscope have to be adjusted to gain proper white balance for digital image.

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Testing of full-field digital mammography

Qiang CHEN ; Ping NI ; Hua CAI

Chinese Medical Equipment Journal.2015;36(5):92-94. doi:10.7687/J.ISSN1003-8868.2015.05.092

Objective To test the key indexes of full-field digital mammography to keep it in good condition.Methods The testing was carried out based on clinical experiences and GBZ 186—2007 Mammography Quality Control Testing Specification.Results The testing items and indexes were proposed to facilitate the staff to check and operate the machine.Conclusion Clinical safety of full-field digital mammography and image quality are both enhanced greatly.

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Power interference and its restraining in ECG machine testing

Wenpo YAO ; Jingning MAO ; Tiebing LIU

Chinese Medical Equipment Journal.2015;36(5):89-91. doi:10.7687/J.ISSN1003-8868.2015.05.089

Objective To analyze the power interference during ECG machine testing and to propose countermeasures.Methods Some measures in power supply stability, shielding, grounding and wire winding were carried out to reduce the influences of 50 Hz interference on ECG machine testing.Results The influences of the power interference were reduced greatly on ECG machine.Concluslon The performances of ECG machine can be ensured by restraining the power interference.

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Application value of MINI-VIDAS automated multiparametric analyzer for immunoanalysis of acute chest pain in military hospital

Jiaxing JIANG ; Ziyang ZOU ; Junshuang LIU

Chinese Medical Equipment Journal.2015;36(5):76-78. doi:10.7687/J.ISSN1003-8868.2015.05.076

Objective To apply MINI-VIDAS automated multiparametric analyzer to auxiliary diagnosis of the serviceman in order to evaluate its clinical value.Methods Totally 1 528 servicemen complaining of acute chest pain were divided into group A and group B equally; the ones in group A went through conventional examination, and the ones in group B underwent conventional examination combined with instant examination with MINI-VIDAS automated multiparametric analyzer. The differences between the two groups were compared for the interval from hospitalization to definite diagnosis, diagnosis correctness, hospitalization rate, length of stay, recovery rate, improvement rate and etc, and then statistical analysis was carried out.Results The two groups had significant differences in the interval from hospitalization to definite diagnosis and diagnosis correctness (P<0.05), while no statistical differences in hospitalization time, recovery rate and improvement rate (P>0.05).Conclusion MINI-VIDAS automated multiparametric analyzer can be used for the instant examination of cardiac marker to improve the diagnosis of the acute chest pain, and thus can be popularized in military hospital.

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Design and application of real-time settlement system for medical insurance based on Outpatient One Card Solution

Xiaoling GUO ; Xiaokun WANG ; Xiaoguang CAO ; Weiwei YE

Chinese Medical Equipment Journal.2015;36(5):63-65. doi:10.7687/J.ISSN1003-8868.2015.05.063

Objective To realize real-time medical insurance settlement system of Xi'an based on Outpatient One Card Solution to reduce the errors due to artificial accounting.Methods The system was developed with C# language and Oracle 10g, based on interface function dynamic library calling rule and HIS data structure requirements provided by Xi'an municipal medical insurance center.Results The system realized real-time settlement of the patient with medical insurance card.Conclusion The system simplifies medical insurance outpatient treatment flow and implements data communication.

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