CN106176054A - 具有尿液检测功能的儿童纸尿裤及抗生素检测方法 - Google Patents
具有尿液检测功能的儿童纸尿裤及抗生素检测方法 Download PDFInfo
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Abstract
本发明公开了一种具有尿液检测功能的儿童纸尿裤,从内到外包括隔尿层、吸收芯层及外层裤体;隔尿层和吸收芯层之间设有尿液检测装置;隔尿层具有揭口端,揭口端嵌入在设置于吸收芯层的卡套内。尿液检测装置包括:检测电路和检测试纸。检测试纸包括:微量元素检测试纸、抗生素检测试纸和尿常规检测试纸。检测试纸由若干不同检测项目的试纸拼合而成;各一颜色识别块对应各一试纸之检测结果,所述抗生素检测试纸包括样品吸收垫、样品结合垫、反应膜和吸水垫。本发明还公开了一种抗生素检测方法。本发明的儿童纸尿裤,结构简单,成本低,能够具有尿液检测功能,从而获得儿童的健康信息,结合移动端使用能够对儿童进行长期的健康状态监控。
Description
技术领域
本发明涉及一种具有尿液检测功能的儿童纸尿裤,以及一种尿液中抗生素检测方法。
背景技术
目前婴儿普遍使用纸尿裤代替传统的尿布,具有方便卫生等优点,但是父母需要经常检查纸尿裤是否需要更换,因为更换不及时带有尿液的纸尿裤就会造成婴儿臀部皮肤的灼伤。改进的纸尿裤具有尿显的功能,例如专利申请号为201310469895.9的发明专利公开了一种用于纸尿裤的尿湿显色热熔胶适合一次性卫生用品使用,但是带尿显的纸尿裤通常应用了化学原理,仅在使用后有颜色提醒,父母仍需要定时经常观测,对于夜间使用就不是很方便。
复旦大学一项针对江苏、浙江、上海逾千名儿童尿液检验研究显示,79.6%的上海学龄儿童尿液中检出21种抗生素中的一种或几种,1种以上抗生素在尿中被发现的频率为58.3%,至少两种及以上抗生素或抗生素类别在尿中同时发现的频率分别为26.7%和23.5%,而且在一份尿样中最多能同时检测出4类6种抗生素;尿中抗生素总浓度之和在每毫升0.1-20纳克之间的尿样占47.8%,部分尿样抗生素浓度超过每毫升1000纳克。这种广泛暴露状态可能加重细菌耐药,从而威胁临床治疗,也可能对儿童的生长发育与人群健康造成潜在的危害。世界卫生组织(WHO)曾发布报告表示,抗生素耐药性细菌正蔓延至全球各地。(4月17日《参考消息》)。抗生素耐药像糟糕的雾霾天气一样,会逐渐衍变成一种环境危机,威胁到每个人。药物使用不当引起和加剧细菌等微生物发生改变,最后导致使用于治疗感染的药物变得无效,这就是抗生素耐药性的来源。在畜牧业,广泛使用抗生素会造成抗生素耐药性的发展。抗生素耐药性在家畜中传播后,又会通过食源性疾病和其他感染途径在人群中蔓延。儿童的尿液中检测出畜牧业常用抗生素就是一个典型的例子。而在人体身上对药物使用不当,也会造成抗生素耐药性。目前没有便捷的方式检测孩子尿液的抗生素含量。
目前,对抗生素的检测主要在食品领域以及环境领域,用于抗生素检测的方法主要有高效液相色谱技术、微生物法、免疫分析法,这些方法需要昂贵的检测仪器或专业的检测人员,不适合家庭使用,还没有针对儿童尿液中抗生素的快速检测方法。现有的纸尿裤不能对尿液等排泄物进行检测从而分析使用者等健康状态,所以有待于进一步改进研究。
发明内容
本发明所要解决的技术问题是提供一种儿童纸尿裤,能够具有尿液检测功能,包括体温、微量元素、抗生素、及尿常规检测,从而获得使用者的健康信息。
为了解决以上技术问题,本发明提供了一种具有尿液检测功能的儿童纸尿裤,从内到外包括隔尿层、吸收芯层及外层裤体;所述隔尿层和吸收芯层之间设有尿液检测装置;所述隔尿层具有揭口端,所述揭口端嵌入在设置于吸收芯层的卡套内。
优选地,本发明的具有尿液检测功能的儿童纸尿裤,所述的尿液检测装置包括:检测电路和检测试纸。
进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的检测电路包括:控制器、分别与所述控制器连接的用于检测儿童体温的温度传感器、用于检测吸收芯层是否有尿液的湿度传感器、供电模块及用于向外部移动终端传输检测信号的无线传输模块。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的无线传输模块的无线传输方式为蓝牙或WI-FI。
进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的检测试纸包括:微量元素检测试纸、抗生素检测试纸和尿常规检测试纸。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的微量元素检测试纸、抗生素检测试纸和尿常规检测试纸由多种不同检测项目的试纸拼合而成,各一颜色识别块对应各一检测项目试纸的检测结果。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的各一检测项目试纸的长度为5-30mm,宽度为5-20mm,厚度为1-5mm。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的尿常规检测试纸测试项目包括:尿比重、PH值、白细胞、亚硝酸盐、蛋白质、尿糖、酮体、尿胆原、胆红素、红血球及维生素C。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述抗生素检测试纸包括样品吸收垫、样品结合垫、反应膜和样品吸水垫。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的样品吸水垫为滤纸块。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的样品结合垫包被有β-内酰胺特异性抗体-胶体金标记物、四环素特异性抗体-胶体金标记物、喹诺酮特异性抗体-胶体金标记物、大环内脂特异性抗体-胶体金标记物、磺胺特异性抗体-胶体金标记物和头孢特异性抗体-胶体金标记物。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的反应膜为硝酸纤维素膜,其上面依此包被有大环内脂类抗生素检测线、β-内酰胺类抗生素检测线、四环素类抗生素检测线、喹诺酮类抗生素检测线、磺胺类抗生素检测线、头孢类抗生素检测线和羊抗鼠质控线。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的大环内脂类抗生素检测线与所述的β-内酰胺抗生素检测线并排、所述的四环素类抗生素检测线与所述的喹诺酮类抗生素检测线并排、所述的磺胺类抗生素检测线与所述的头孢类抗生素检测线并排。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的大环内脂类抗生素检测线为大环内脂类抗生素-载体蛋白,所述的β-内酰胺类抗生素检测线为β-内酰胺类抗生素-载体蛋白,所述的四环素类抗生素检测线为四环素类抗生素-载体蛋白,所述的喹诺烷酮类抗生素检测线为喹诺烷酮类抗生素-载体蛋白,所述的磺胺类抗生素检测线为磺胺类抗生素-载体蛋白,所述的头孢类抗生素检测线为头孢类抗生素检测线。
更进一步地,本发明的具有尿液检测功能的儿童纸尿裤,所述的载体蛋白为牛血清白蛋白。
本发明还提供了一种抗生素检测方法,在儿童纸尿裤内的隔尿层和吸收芯层之间设有尿液检测装置,所述尿液检测装置与移动终端无线连接,检测步骤包括:
(4)移动端扫描纸尿裤上的二维码,进行配对;
(5)实时监测湿度,判断纸尿裤是否已经尿湿,如果是进行下一步;
(6)移动端提示更换尿布,根据所述的尿液检测装置中的微量元素检测试纸浸泡尿液后显示的不同色块判断是否有微量元素异常。
优选地,本发明的抗生素检测方法,步骤(1)和步骤(2)之间还包括:纸尿裤的尿液检测装置实时检测体温,移动端显示体温并设定体温报警值,当有温度异常进行移动端报警提示。
进一步地,本发明的抗生素检测方法,步骤(3)所述根据所述的尿液检测装置中的微量元素检测试纸浸泡尿液后显示的不同色块判断是否有微量元素异常,包括如下步骤:
(1)揭开隔尿层,用移动端拍摄检测试纸;
(2)检测试纸图像识别,分块检测是否出现检测线,如果是表示异常,如果否表示正常;
(3)判断试纸检测是否有异常,如果是进行移动端报警提示。
本发明的儿童纸尿裤,结构简单,成本低,能够具有尿液检测功能,包括体温、微量元素、多种抗生素、及尿常规检测,从而获得使用者(儿童)的健康信息,结合移动端使用能够对儿童进行长期的健康状态监控。操作简单,不需要专业人员,可供家庭使用,检测灵敏度高,可帮助初步判断儿童尿液中抗生素的含量。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明。
图1是本发明的具有尿液检测功能的儿童纸尿裤结构示意图;
图2是本发明的尿液检测装置电路结构示意图;
图3是本发明的具有尿液检测功能的儿童纸尿裤外部示意图;
图4是本发明揭开隔尿层的尿液检测装置结构示意图;
图5是本发明的尿液检测方法的流程图。
图中的附图标记为:1、吸收芯层;2、后腰部;3、裆部;4、前腰部;5、翼侧;6、粘结带;7、粘结扣;8、检测试纸;9、检测电路;10、隔尿层揭口端卡套;11、防漏挡边;12、弹性收缩带。
具体实施方式
如图1所示,本发明的具有尿液检测功能的儿童纸尿裤,从内到外包括隔尿层、吸收芯层1及外层裤体;所述的外侧裤体包括后腰部2、裆部3、前腰部4、所述的后腰部2的两侧分别设置有侧翼5上分别固定有粘结带6的一端,所述的粘结带6的另一端为自由端且设置有粘结扣7,所述的所述隔尿层和吸收芯层1之间设有尿液检测装置,所述的尿液检测装置包括:检测电路9和检测试纸8。所述隔尿层具有揭口端,所述揭口端嵌入在设置于吸收芯层的卡套内10。所述的外层裤体的内侧设置有两条收缩性防漏挡边11,两条收缩性防漏挡边11位于所述吸收芯层1的两侧,使得婴儿的便液保持在吸收芯层1上,不会从两侧漏出。所述后腰部2的内侧横向设置有弹性收缩带12,所述弹性收缩带12的两端分别与所述后腰部2内侧的两侧相固定连接,防止便液漏出。
如图2和图4所示,本发明的具有尿液检测功能的儿童纸尿裤,所述的检测电路包括:控制器、分别与所述控制器连接的用于检测儿童体温的温度传感器、用于检测吸收芯层是否有尿液的湿度传感器、供电模块及用于向外部移动终端传输检测信号的无线传输模块,所述的无线传输模块的无线传输方式为蓝牙或WI-FI。
本发明的具有尿液检测功能的儿童纸尿裤,所述的检测试纸包括:微量元素检测试纸、抗生素检测试纸和尿常规检测试纸。所述的微量元素检测试纸、抗生素检测试纸和尿常规检测试纸由若干不同检测项目的试纸拼合而成;各一颜色识别块对应各一试纸之检测结果。所述的各一检测项目试纸的长度为5-30mm,宽度为5-20mm,厚度为1-5mm。
所述的尿常规检测试纸测试项目包括:尿比重、PH值、白细胞、亚硝酸盐、蛋白质、尿糖、酮体、尿胆原、胆红素、红血球及维生素C。
所述抗生素检测试纸包括样品吸收垫、样品结合垫、反应膜和样品吸水垫。所述的样品吸水垫为滤纸块。所述的样品结合垫包被有β-内酰胺特异性抗体-胶体金标记物、四环素特异性抗体-胶体金标记物、喹诺酮特异性抗体-胶体金标记物、大环内脂特异性抗体-胶体金标记物、磺胺特异性抗体-胶体金标记物和头孢特异性抗体-胶体金标记物。所述的反应膜为硝酸纤维素膜,其上面依此包被有大环内脂类抗生素检测线、β-内酰胺类抗生素检测线、四环素类抗生素检测线、喹诺酮类抗生素检测线、磺胺类抗生素检测线、头孢类抗生素检测线和羊抗鼠质控线。所述的大环内脂类抗生素检测线与所述的β-内酰胺抗生素检测线并排、所述的四环素类抗生素检测线与所述的喹诺酮类抗生素检测线并排、所述的磺胺类抗生素检测线与所述的头孢类抗生素检测线并排。所述的大环内脂类抗生素检测线为大环内脂类抗生素-载体蛋白,所述的β-内酰胺类抗生素检测线为β-内酰胺类抗生素-载体蛋白,所述的四环素类抗生素检测线为四环素类抗生素-载体蛋白,所述的喹诺烷酮类抗生素检测线为喹诺烷酮类抗生素-载体蛋白,所述的磺胺类抗生素检测线为磺胺类抗生素-载体蛋白,所述的头孢类抗生素检测线为头孢类抗生素检测线。所述的载体蛋白为牛血清白蛋白。
一种胶体金的制备方法:
用双蒸去离子水将质量分数5%氯金酸稀释成质量分数至0.01%,置磁力加热棒搅拌器上搅拌煮沸,煮沸后每100ml氯金酸加入5ml质量分数3%柠檬酸三钠,溶液的颜色会由浅黄变兰色,然后变深兰,最后变为红色,当溶液的颜色完全变为透明的红色时,继续回流,10min后停止加热,冷却至室温后用双蒸去离子水补充至原体积并于4℃避光保存。
一种β-内酰胺类抗生素特异性抗体-胶体金标记物制备方法:
(1)以目测法确定胶体金与待标记抗体用量比例,用0.1mol/L的碳酸钾调节胶体金溶液至7.2,将抗体用pH为7.6,0.1mol/L的磷酸盐缓冲液逐级稀释为5~40μg/ml,各取0.1ml按顺序加入一系列装有1ml胶体金的试管中,5min后在上述试管内分别加入0.1ml质量分数1%氯化钠,混匀,静置2h后观察结果。从加入抗体浓度为10μg/ml的试管开始,胶体金溶液的颜色基本一致,因此稳定1ml胶体金最适抗体量是10μg/ml。
(2)在磁力搅拌下,在10ml胶体金中加入β-内酰胺类抗生素特异性隆抗体10ml,继续搅拌混匀10min,加入0.2ml 10%BSA,静置30min。4℃离心30min,弃上清液,沉淀物用含质量分数0.1%的牛血清白蛋白、0.5%的表面活性剂,pH为7.2的0.2mol/L磷酸盐缓冲液洗涤两次,即可得到已纯化的金标抗体溶液,置4℃备用。按同样的方法制备其他金标抗体溶液。
抗生素检测试纸条的灵敏度试验
大环内脂类抗生素、β-内酞胺类抗生素、四环素类抗生素、喹诺烷酮类抗生素、头孢类抗生素和磺胺类抗生素分别用pH为7的0.2mol/L的磷酸盐缓冲液稀释成不同浓度,然后用本发明的试纸条进行检测,将不同浓度的抗生素滴加到试纸条的样品垫。结果表明,本试纸条的检测灵敏度分别为:红霉素10μg/L、螺旋霉素8μg/L、青霉素G 4μg/L,阿莫西林4μg/L、金霉素15μg/L、土霉素30μg/L、诺氟沙星60μg/L、氧氟沙星100μg/L、磺胺多辛100μg/L、磺胺嚓咤100μg/L、头抱哇诺20μg/L、头抱洛宁20μg/L。
如图3所示为本发明的具有尿液检测功能的儿童纸尿裤外部示意图。
如图5所示,本发明还公开了一种抗生素检测方法,在儿童纸尿裤内的隔尿层和吸收芯层之间设有尿液检测装置,所述尿液检测装置与移动终端无线连接,检测步骤包括:
(1)移动端扫描纸尿裤上的二维码(如图3所示),进行配对;
(2)纸尿裤的尿液检测装置实时检测体温,移动端显示体温,设定体温报警值,当有温度异常进行移动端报警提示,如果否进行下一步;
(3)实时监测湿度,判断纸尿裤是否已经尿湿,如果是进行下一步,如果否返回步骤(2);
(4)移动端提示更换尿布,根据所述的尿液检测装置中的抗生素检测试纸浸泡尿液后是否出现各种检测线判断是否有微量元素异常。进一步包括:
(4.1)揭开隔尿层,用移动端拍摄检测试纸(如图4所示);
(4.2)检测试纸图像识别,分块检测是否出现检测线,如果是表示异常,如果否表示正常;
(4.3)判断试纸检测是否有异常,如果是进行移动端报警提示。
本发明的儿童纸尿裤,结构简单,成本低,能够具有尿液检测功能,包括体温、微量元素、抗生素、及尿常规检测,从而获得使用者(儿童)的健康信息,结合移动端使用能够对儿童进行长期的健康状态监控。操作简单,不需要专业人员,可供家庭使用,检测灵敏度高,可帮助初步判断儿童尿液中抗生素的含量。
Claims (18)
1.一种具有尿液检测功能的儿童纸尿裤,其特征在于,从内到外包括隔尿层、吸收芯层及外层裤体;所述隔尿层和吸收芯层之间设有尿液检测装置;所述隔尿层具有揭口端,所述揭口端嵌入在设置于吸收芯层的卡套内。
2.如权利要求1所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的尿液检测装置包括:检测电路和检测试纸。
3.如权利要求2所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的检测电路包括:控制器、分别与所述控制器连接的用于检测儿童体温的温度传感器、用于检测吸收芯层是否有尿液的湿度传感器、供电模块及用于向外部移动终端传输检测信号的无线传输模块。
4.如权利要求3所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的无线传输模块的无线传输方式为蓝牙或WI-FI。
5.如权利要求2所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的检测试纸包括:微量元素检测试纸、抗生素检测试纸和尿常规检测试纸。
6.如权利要求5所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的微量元素检测试纸、抗生素检测试纸和尿常规检测试纸由多种不同检测项目的试纸拼合而成,各一颜色识别块对应各一检测项目试纸的检测结果。
7.如权利要求6所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的各一检测项目试纸的长度为5-30mm,宽度为5-20mm,厚度为1-5mm。
8.如权利要求6所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的尿常规检测试纸测试项目包括:尿比重、PH值、白细胞、亚硝酸盐、蛋白质、尿糖、酮体、尿胆原、胆红素、红血球及维生素C。
9.如权利要求6所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述抗生素检测试纸包括样品吸收垫、样品结合垫、反应膜和样品吸水垫。
10.如权利要求9所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的样品吸水垫为滤纸块。
11.如权利要求9所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的样品结合垫包被有β-内酰胺特异性抗体-胶体金标记物、四环素特异性抗体-胶体金标记物、喹诺酮特异性抗体-胶体金标记物、大环内脂特异性抗体-胶体金标记物、磺胺特异性抗体-胶体金标记物和头孢特异性抗体-胶体金标记物。
12.如权利要求9所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的反应膜为硝酸纤维素膜,其上面依此包被有大环内脂类抗生素检测线、β-内酰胺类抗生素检测线、四环素类抗生素检测线、喹诺酮类抗生素检测线、磺胺类抗生素检测线、头孢类抗生素检测线和羊抗鼠质控线。
13.如权利要求12所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的大环内脂类抗生素检测线与所述的β-内酰胺抗生素检测线并排、所述的四环素类抗生素检测线与所述的喹诺酮类抗生素检测线并排、所述的磺胺类抗生素检测线与所述的头孢类抗生素检测线并排。
14.如权利要求12所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的大环内脂类抗生素检测线为大环内脂类抗生素-载体蛋白,所述的β-内酰胺类抗生素检测线为β-内酰胺类抗生素-载体蛋白,所述的四环素类抗生素检测线为四环素类抗生素-载体蛋白,所述的喹诺烷酮类抗生素检测线为喹诺烷酮类抗生素-载体蛋白,所述的磺胺类抗生素检测线为磺胺类抗生素-载体蛋白,所述的头孢类抗生素检测线为头孢类抗生素检测线。
15.如权利要求14所述的具有尿液检测功能的儿童纸尿裤,其特征在于,所述的载体蛋白为牛血清白蛋白。
16.一种抗生元素检测方法,其特征在于,在儿童纸尿裤内的隔尿层和吸收芯层之间设有尿液检测装置,所述尿液检测装置与移动终端无线连接,检测步骤包括:
(1)移动端扫描纸尿裤上的二维码,进行配对;
(2)实时监测湿度,判断纸尿裤是否已经尿湿,如果是进行下一步;
(3)移动端提示更换尿布,根据所述的尿液检测装置中的抗生素检测试纸浸泡尿液后是否出现各种检测线判断是否有微量元素异常。
17.如权利要求16所述的抗生素检测方法,其特征在于,步骤(1)和步骤(2)之间还包括:纸尿裤的尿液检测装置实时检测体温,移动端显示体温并设定体温报警值,当有温度异常进行移动端报警提示。
18.如权利要求17所述的抗生素检测方法,其特征在于,步骤(3)所述根据所述的尿液检测装置中的微量元素检测试纸浸泡尿液后显示的不同色块判断是否有微量元素异常,包括如下步骤:
(1)揭开隔尿层,用移动端拍摄检测试纸;
(2)检测试纸图像识别,分块检测是否出现检测线,如果是表示异常,如果否表示正常;
(3)判断试纸检测是否有异常,如果是进行移动端报警提示。
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