CN107788595A - 一种防雾霾的纳米口罩 - Google Patents

一种防雾霾的纳米口罩 Download PDF

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CN107788595A
CN107788595A CN201610812426.6A CN201610812426A CN107788595A CN 107788595 A CN107788595 A CN 107788595A CN 201610812426 A CN201610812426 A CN 201610812426A CN 107788595 A CN107788595 A CN 107788595A
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孙利
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Abstract

本发明属于运用传统中药结合现代材料技术共同对付雾霾天气的保健用品领域。本发明的技术方案为一种防雾霾的纳米口罩,包括内外无纺布层、由纳米纤维构成的中间层,以及位于一侧贯穿所述口罩内外层的单向呼气阀,另一侧中间层内还包括装有中药的药袋。构成中间层的纳米纤维的直径为500nm‑800nm,药袋中的中药为夏枯草、野菊花、川芎、白芷、防风、辛夷、黄芪、桔梗、金荞麦、薄荷、冰片、甘草,各中药成分的重量比为1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1。本发明不但解决了传统口罩佩戴时感觉闷气、难以有效过滤PM2.5颗粒、存在银粒子吸入肺里造成二次伤害的风险的技术问题,而且经实验证实还有治疗慢性咽炎的功效。

Description

一种防雾霾的纳米口罩
技术领域
本发明属于医疗保健器材领域,尤其是运用传统中药结合现代材料技术共同对付雾霾天气的保健用品领域。
背景技术
随着工业的发展和环境保护的相对滞后,雾霾越来越多地进入我们的日常生活。大气中各种悬浮颗粒物含量超标,尤其是PM2.5(空气动力学当量直径小于等于2.5微米的颗粒物)被认为是造成雾霾天气的“元凶”。雾霾中细小粉粒状的飘浮颗粒物可直接通过呼吸系统进入支气管,甚至肺部。所以,霾影响最大的就是人的呼吸系统,造成的疾病如呼吸道疾病、脑血管疾病、咽喉炎症。同时,灰霾天气时,气压降低、空气中可吸入颗粒物骤增、空气流动性差,有害细菌和病毒向周围扩散的速度变慢,导致空气中病毒浓度增高,疾病传播的风险很高,如今人们自我保护的方式为佩戴口罩。传统的口罩一般采用无纺布等材料形成过滤网,当空气通过时,空气中的气体分子以碰撞的方式通过;采用缝隙透风的方式过滤颗粒。申请号为CN200910035297.4的中国发明专利申请公开了一种预防H1N1的纳米口罩,其创新点在于使用纳米银涂层来消灭病原微生物。该发明的缺点也很明显,佩戴该口罩后,呼气阻力大不舒适,有将银粒子吸入肺里造成二次伤害的风险。
发明内容
发明解决的技术问题
解决了传统口罩佩戴时感觉闷气、难以有效过滤PM2.5颗粒、存在银粒子吸入肺里造成二次伤害的风险、治疗的技术问题,同时还可治疗慢性咽炎。
技术方案
一种防雾霾的纳米口罩,包括内层1、外层2、中间层5,以及位于一侧贯穿所述口罩内外层的单向呼气阀2,所述中间层由纳米纤维构成,其特征在于所述单向呼气阀的另一侧还设置有装有中药的药袋4。
进一步,构成中间层5的纳米纤维的直径为500nm-800nm。
更进一步,药袋4中的中药为夏枯草、野菊花、川芎、白芷、防风、辛夷、黄芪、桔梗、金荞麦、薄荷、冰片、甘草。
更进一步,各中药成分的重量比为1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1。
有益效果
本发明的口罩,在气体分子通过口罩由内外层、中间层构成的过滤网时,由于中间层的纤维长度为纳米级非常细,因此气体分子与其碰撞减少,能够以更加顺滑的方式通过,从而大大减少了空气分子过网阻力,其好处是让人的呼吸更加通畅,解决了戴传统口罩后呼吸不畅的问题。本发明口罩的纳米纤维具有固有静电吸附性能,能将微尘牢牢抓俘到纤维上,通过对被纳米纤维捕捉到的烟雾粒子实验证明,本发明口罩的纳米纤维对PM2.5抓浮率可达99.9%。本发明口罩纳米纤维庞大的比表面造成键态严重失配,出现许多活性中心,使得纳米纤维对氧原子、氧自由基具有极强的抓浮能力,从而根本上实现灭菌抑菌。
本发明采用的中药组合物中夏枯草清肝散结为君药;野菊花清热解毒为臣药;川芎、白芷、防风、辛夷、黄芪扶正祛邪,利窍通塞为佐药,其中黄芪可增强免疫力,巩固疗效,防止复发;桔梗、金荞麦、薄荷、冰片、甘草为使药,其中桔梗、金荞麦清热解毒,宣肺,利咽消痈,薄荷、疏风散热,清热解毒,清利咽喉,疏肝解郁的功效,冰片醒脑开窍,清热消肿止痛,甘草益气生肌。
附图说明
图1本发明的口罩正面展开图,其中1为外层,2为呼气阀。
图2本发明的口罩背面展开图,其中3为内层,4为药袋。
图3本发明的口罩沿A-A的剖视图,其中5为中间层。
具体实施方式
具体结构如附图所示,其中图1为一种防雾霾的纳米口罩的正面展开图,有外层1、位于一侧贯穿所述口罩内外层的单向呼气阀2,外层1的材料可以采用无纺布。
图2为纳米口罩的背面展开图,有内层3、位于单向呼气阀2另一侧的药袋4,药袋内装有中药,内层3的材料可以采用无纺布,药袋以可拆卸的方式与口罩内层相连接。
图3为纳米口罩的沿A-A的剖视图,在内外层之间为中间层,中间层由纳米纤维构成,其直径优选为500nm-800nm。
单向呼气阀2主要起到快速将呼吸道内气体排放的作用,减小呼气相的阻力,从而使得佩戴更为舒适。
在本发明中药袋中的中药组合物成分为夏枯草、野菊花、川芎、白芷、防风、辛夷、黄芪、桔梗、金荞麦、薄荷、冰片、甘草。
慢性咽炎患者选取标准:
参照《中医病证诊断疗效标准》,①咽部干燥或疼痛,局部灼热或有异物感、胀紧感等为主要症状;可伴有呛咳无痰,频频求饮而饮量不多;舌红,苔薄,脉细数。②病程较长,咽部不适症状时轻时重,午后及黄昏时症状明显。③常有反复发作史,多于多言之后症状加重。④咽部检查见黏膜弥漫性充血呈暗红色,黏膜干燥、或有萎缩,或小血管扩张,黏膜增厚,双侧咽侧索肥厚,或咽后壁淋巴滤泡增生。
按以上标准选取90例慢性咽炎患者,均来自门诊,随机分为2组,其中女59例,男41例。治疗组45例,年龄17~60岁,平均41岁;病程最长7年,最短5个月;对照组45例,年龄16~60岁,平均40岁;病程最长6年,最短5个月。两组病例一般资料比较差异无统计学差异,具有可比性。
疗效评价采用《中医病证诊断疗效标准》中相关内容制订如下:
临床治愈:咽部症状消失,检查正常者。
显效:咽部症状体征明显改善,咽后壁淋巴滤泡消失或基本消失者。
有效:咽部症状体征减轻者。
无效:咽部症状稍有减轻或无减轻,体征无明显改善者。
选用的药物及服(使)用方法:
单纯药物治疗组:夏枯草、野菊花、川芎、白芷、防风、辛夷、黄芪、桔梗、金荞麦、薄荷、冰片、甘草混合煎药,每日3次,每次150ml,;连续服用21天。
药物联合口罩组:使用装有夏枯草、野菊花、川芎、白芷、防风、辛夷、黄芪、桔梗、金荞麦、薄荷、冰片、甘草的药袋的防雾霾口罩,各成分的重量比为1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1,每3天换一次新药袋。
治疗结果见以下表1
表1 治疗结果
从表1中可以看出,根据治疗结果数据显示,在显效率方面,药物联合口罩组对单纯药物治疗组为88.03%比75%,P<0.05;药物联合口罩组对单纯药物治疗组为有效率96.0%比82.0%,P<0.05。
由以上统计结果可知,药物联合口罩组对比单纯药物治疗组,有显著提升,具备统计显著差异。
因此,本发明的防雾霾的纳米口罩,不仅可以过滤PM2.5颗粒,配合对应的中药组合物后还具有治疗慢性咽炎的功效。

Claims (4)

1.一种防雾霾的纳米口罩,包括内层(1)、外层(2)、中间层(5),以及位于一侧贯穿所述口罩内外层的单向呼气阀(2),所述中间层由纳米纤维构成,其特征在于所述单向呼气阀的另一侧还设置有装有中药的药袋(4)。
2.如权利要求1所述的一种防雾霾的纳米口罩,其特征为构成中间层(5)的纳米纤维的直径为500nm-800nm。
3.如权利要求1所述的一种防雾霾的纳米口罩,其特征为所述药袋(4)中的中药为夏枯草、野菊花、川芎、白芷、防风、辛夷、黄芪、桔梗、金荞麦、薄荷、冰片、甘草。
4.如权利要求1所述的一种防雾霾的纳米口罩,其特征为各中药成分的重量比为1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1∶1。
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Citations (6)

* Cited by examiner, † Cited by third party
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Application publication date: 20180313