<原著>近畿大学医学部附属病院中央手術部及びその周辺の環境衛生と安全性第2報ME機器の安全性について(1)

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We have investigated on the grounding resistance and the leakage current from the electrical instruments in the surgical operation ward of Kinki University Hospital from the point of view of the electrical safety. For the measurement of grounding resistance, we have put Safety Analyser, Dempsey, Model 431 to use. The measurements were done on 1) the resistances of earth lines from the receptacles in the operating room to the power distribution panel, 2) the resistance between two outlets and 3) the power cord resistances. These grounding resistances have influences on the electrical stability of apparatus and the safety against electrical shock in the occasion of large leakage current flow. In these measurements, we have found the variety of the valuesof contact resistance at receptacles because of the deformity and the wear owing to the use for many years. The leakage currents were also measured by Safety Analyzer, Model 431. The leakage currents from the metal cases of apparatus and in the earth line through the patient were within the limit of safety margin. From these series of investigations, we suppose that the additional safe guard grounding and the introduction of the equipotential patient reference (EPR) system are recommendable for more safety of patients. Furthermore, we would like to propose the periodic inspection on the subjects which we have investigated and the educational programme on the electrical safety prepared for the medical and nursing staff of the surgical operation ward.
近畿大学の論文
1981-06-25

<原著>近畿大学医学部附属病院中央手術部及びその周辺の環境衛生と安全性第2報ME機器の安全性について(1)

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