新生儿黄疸仪设备原理与参数简介

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                    <section><section powered-by="gulangu"><section><section><p><img src="image/20201019/7363afddb2b0b47ab52e6cdd4818e30c_1.gif" /></p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>黄疸仪的物理现象</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; 黄疸又称黄胆，俗称黄病，是一种人体血液（血清）中的胆红素浓度增高，所引起的皮肤、黏膜和眼球巩膜等部分发黄的症状。某些肝脏病、胆囊病和血液病经常会引发黄疸的症状。通常，血液的胆红素浓度高于2~3mg/dl时，这些部分便会出现肉眼可辨别的颜色。</p><p>&nbsp; &nbsp; &nbsp; &nbsp;新生儿高胆红素血症是新生儿常见疾病，2~3天出现黄疸，4~6天达到高峰，由于血红素代谢的特点，约50%足月儿和80%的早产儿会出现肉眼可见的黄疸，严重者可导致核黄疸，引起新生儿脑部损伤，严重的影响其智力发育。</p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>黄疸仪的设备原理</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;黄疸仪运用光纤技术、光电子技术，电子及信息处理技术等进行测量，将探头轻压新生儿前额即可瞬间测定经皮胆红素浓度，并显示血清总胆红素浓度数值。</p><p>&nbsp; &nbsp; &nbsp; &nbsp;在测试过程中，启动疝闪光管发出强光，经探头内的光导纤维的外芯射到皮下组织，其反射光经探头的内芯光导纤维传到仪器内置的分光片上。风光片具有反射蓝光和透过绿光的特点，这样就把反射光分解成两条光路，其中一路蓝光（460nm），另一路绿光（550nm）。蓝光光路再经过最大透光率460nm的滤光片虑光后，照射到硅光电池的受光端面进行光电变换，绿光光路再经过最大透光率550nm的滤光片滤光后，照射到硅光电池的受光端面进行光电变换。通过对上述两信号放大，比较，计算差值，最终显示结果，这个结果就是经皮胆红素值。</p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>黄疸仪参数简介（仅供参考）</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>1、检测方式 &nbsp;&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 光反射式</p><p>2、光源</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;疝闪光</p><p>3、显示</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Mg/dl、umol/L可随时切换滚动显示。</p><p>4、校正功能</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;自动校正</p><p>5、显示误差</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0~15为±1,16~25为±1.5</p><p>6、准确度</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;不大于预定值的6%</p><p>7、重复性</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 不大于3%</p><p>8、平均测量功能</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 可设置2~5次平均测量方式</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><section><p>欢</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>迎</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>注</p></section></section></section> </section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><section><p><img src="image/20201019/069f4caef2b16935d49b2533c019f5af_2.jpg" /></p></section></section></section> </section><section> <section powered-by="gulangu"><section><section> </section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section> </section></section></section></section>