著者
高島 征助 信江 康弘 岡村 高幸 木下 久雄 清水 紘 小川 尚徳 村山 良介
出版者
日本医療機器学会
雑誌
医科器械学 (ISSN:0385440X)
巻号頁・発行日
vol.50, no.6, pp.300-305, 1980-06-01

On the examination of the disturbance of skin from residusal ethylene oxide (EO) in the operating gloves, the patch test on bilateral anterior antebrachial regions of 30 volunteers (male) was done with fixing small pieces of natural rubber (NR) sorbing EO. Even in the case of the residual EO concentration in the NR pieces below 100 ppm, the redness was detected for a few volunteers. For above 200 ppm, this symptom was more considerable. For preventing the disturbance, it is necessary to keep the residual EO concentration in the gloves low enough.
著者
高島 征助 新 太喜治 加見谷 将人
出版者
日本医療機器学会
雑誌
医科器械学 (ISSN:0385440X)
巻号頁・発行日
vol.66, no.1, pp.15-22, 1996-01-01
被引用文献数
23

An attempt to estimate the radicals numbers formed from hydrogenperoxide by plasma discharging technique in the apparatus (STERRAD 100, Johnson & Johnson Med. Co.) has been done using ascorbic acid (A. A) and diphenyl picryl hydrazyl (DPPH) as radical indicator. Then, the radical numbers were reduced from the adsorbance difference at λ max. on the spectra (on A. A : ultraviolet, on DPPH : visible ray) between before and after sterilizing using the Loschmidt's number, respectively. In result, it was found that the radical numbers were similar to the molecule numbers of H_2O_2 fed into the sterilizer before sterilizing. Moreover, it was guessed that ・O radical mainly reacted on A. A and ・OH radical mainly reacted on DPPH by the spectroscopic and gas chromatographic techniques.