CN107789659A - 一种医用防护垫 - Google Patents
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Abstract
本发明主要涉及医疗产品技术领域,公开了一种医用防护垫,由以下原料制成:木棉纤维、棉纤维、壳聚糖纤维、竹纤维、海藻纤维、聚乳酸纤维、碳纤维、抗菌剂;由多种纤维制成,柔软舒适,不滑动,安全无毒,无刺激,抑菌率达到92.8%;将碳纤维浸于抗菌液中浸泡后进行冷冻干燥,提高碳纤维的抗菌性和透气性,抑制病菌滋生,保证患者健康;将木棉纤维和棉纤维混纺成较细的纤维,能够均匀分布于防护垫上,使防护垫柔软舒适,提高防护垫的吸水性和锁水性;将壳聚糖纤维和竹纤维混纺成较粗的纤维,能够保持壳聚糖的稳定性,增加防护垫的吸水和抗菌性能,避免防护垫脱毛和起球,提高耐用性。
Description
技术领域
本发明主要涉及医疗产品技术领域,尤其涉及一种医用防护垫。
背景技术
防护垫是医院的常用材料之一,现在医院一般使用的都是普通无纺布防护垫,通常是由化学纤维包括聚酯、聚酰胺、聚四氟乙烯、聚丙烯、碳纤维和玻璃纤维制成,化学制品容易导致过敏,而且吸湿性较差,虽然对细菌和尘埃的过滤性强,但是在人体直接使用时的抑菌性能较差,而且化学纤维对病患伤口产生分泌物的吸收能力较弱,需要进行频繁更换,否则极易滋生病菌,导致过敏;现有专利文件CN 101112339 A公开的一种用木棉纤维制备的卫生巾、护垫、尿布、裤垫、各类人用医用防护垫,安全健康,无刺激,柔软亲肤,但是抑菌性较弱,爽滑感和悬垂感较强,使用时极易滑脱,给患者造成很大的不便。
发明内容
为了弥补已有技术的缺陷,本发明的目的是提供一种医用防护垫。
一种医用防护垫,由以下重量份的原料制成:木棉纤维66~68、棉纤维58~60、壳聚糖纤维44~46、竹纤维37~39、海藻纤维16~18、聚乳酸纤维13~15、碳纤维7~9、抗菌剂1.3~1.5。
所述的抗菌剂,由以下重量份的原料组成:马尾连37~39、黄柏23~25、秦皮13~15、黄栌叶7~9,将所有原料粉碎,加入所有原料重量80~90倍量的体积分数为72~74%的酒精溶液,于30~32kHz超声提取25~30分钟,过滤,向滤渣中加入滤渣重量60~70倍量的水,煎煮至体积为原来的1/10,过滤,合并所有滤液,旋转蒸发至无酒精,过D型大孔树脂进行纯化,收集纯化液,冷冻干燥至无水分,能够抑制病菌生长,避免防护垫与皮肤接触处出现过敏现象,得抗菌剂。
一种医用防护垫的制备方法,包括以下步骤:
(1)向抗菌剂中加水,搅拌均匀,使抗菌剂的质量浓度为0.12~0.15%,得抗菌液;
(2)将碳纤维浸于抗菌液中,完全吸收后,将碳纤维冷冻干燥至含水量为0~3%,提高碳纤维的抗菌性和透气性,抑制病菌滋生,保证患者健康,得抗菌碳纤维;
(3)将木棉纤维和棉纤维进行混纺,号数为1.2~1.4tex,能够均匀分布于防护垫上,使防护垫柔软舒适,提高防护垫的吸水性和锁水性,得混合纤维A;
(4)将壳聚糖纤维和竹纤维进行混纺,号数为1.5~1.7tex,能够保持壳聚糖的稳定性,增加防护垫的吸水和抗菌性能,避免防护垫脱毛和起球,提高耐用性,得混合纤维B;
(5)将海藻纤维、聚乳酸纤维和抗菌碳纤维进行混纺,号数为1.3~1.5tex,能够增加在防护垫上的分布率,节约原料成分,增加防护垫的锁水和抗菌性能,促进防护部位微循环,促进伤口愈合,避免产生过敏现象,得混合纤维C;
(6)将混合纤维A、混合纤维B和混合纤维C充分混合,进行水刺,得医用防护垫。
所述步骤(2)的冷冻干燥,温度为-38~-36℃。
本发明的优点是:本发明提供的医用防护垫,由多种纤维制成,柔软舒适,不滑动,安全无毒,无刺激,抑菌率达到92.8%;将碳纤维浸于抗菌液中浸泡后进行冷冻干燥,提高碳纤维的抗菌性和透气性,抑制病菌滋生,保证患者健康;抗菌液中的抗菌成分由纯中药提取,能够抑制病菌生长,避免防护垫与皮肤接触处出现过敏现象;将木棉纤维和棉纤维混纺成较细的纤维,能够均匀分布于防护垫上,使防护垫柔软舒适,提高防护垫的吸水性和锁水性;将壳聚糖纤维和竹纤维混纺成较粗的纤维,能够保持壳聚糖的稳定性,增加防护垫的吸水和抗菌性能,避免防护垫脱毛和起球,提高耐用性;将海藻纤维、聚乳酸纤维和抗菌碳纤维混纺成较细的纤维,能够增加在防护垫上的分布率,节约原料成分,增加防护垫的锁水和抗菌性能,促进防护部位微循环,促进伤口愈合,避免产生过敏现象;最后将所有原料混合后进行水刺纺织,方法简单,节约生产成本。
具体实施方式
下面用具体实施例说明本发明。
实施例1
一种医用防护垫,由以下重量份的原料制成:木棉纤维66、棉纤维58、壳聚糖纤维44、竹纤维37、海藻纤维16、聚乳酸纤维13、碳纤维7、抗菌剂1.3。
所述的抗菌剂,由以下重量份的原料组成:马尾连37、黄柏23、秦皮13、黄栌叶7,将所有原料粉碎,加入所有原料重量80倍量的体积分数为72%的酒精溶液,于30kHz超声提取25分钟,过滤,向滤渣中加入滤渣重量60倍量的水,煎煮至体积为原来的1/10,过滤,合并所有滤液,旋转蒸发至无酒精,过D型大孔树脂进行纯化,收集纯化液,冷冻干燥至无水分,能够抑制病菌生长,避免防护垫与皮肤接触处出现过敏现象,得抗菌剂。
一种医用防护垫的制备方法,包括以下步骤:
(1)向抗菌剂中加水,搅拌均匀,使抗菌剂的质量浓度为0.13%,得抗菌液;
(2)将碳纤维浸于抗菌液中,完全吸收后,将碳纤维冷冻干燥至含水量为0~3%,温度为-37℃,提高碳纤维的抗菌性和透气性,抑制病菌滋生,保证患者健康,得抗菌碳纤维;
(3)将木棉纤维和棉纤维进行混纺,号数为1.3tex,能够均匀分布于防护垫上,使防护垫柔软舒适,提高防护垫的吸水性和锁水性,得混合纤维A;
(4)将壳聚糖纤维和竹纤维进行混纺,号数为1.7tex,能够保持壳聚糖的稳定性,增加防护垫的吸水和抗菌性能,避免防护垫脱毛和起球,提高耐用性,得混合纤维B;
(5)将海藻纤维、聚乳酸纤维和抗菌碳纤维进行混纺,号数为1.4tex,能够增加在防护垫上的分布率,节约原料成分,增加防护垫的锁水和抗菌性能,促进防护部位微循环,促进伤口愈合,避免产生过敏现象,得混合纤维C;
(6)将混合纤维A、混合纤维B和混合纤维C充分混合,进行水刺,得医用防护垫。
实施例2
一种医用防护垫,由以下重量份的原料制成:木棉纤维67、棉纤维59、壳聚糖纤维45、竹纤维38、海藻纤维17、聚乳酸纤维14、碳纤维8、抗菌剂1.4。
所述的抗菌剂,由以下重量份的原料组成:马尾连38、黄柏24、秦皮14、黄栌叶8,将所有原料粉碎,加入所有原料重量85倍量的体积分数为73%的酒精溶液,于31kHz超声提取28分钟,过滤,向滤渣中加入滤渣重量65倍量的水,煎煮至体积为原来的1/10,过滤,合并所有滤液,旋转蒸发至无酒精,过D型大孔树脂进行纯化,收集纯化液,冷冻干燥至无水分,能够抑制病菌生长,避免防护垫与皮肤接触处出现过敏现象,得抗菌剂。
制备方法同实施例1。
实施例3
一种医用防护垫,由以下重量份的原料制成:木棉纤维68、棉纤维60、壳聚糖纤维46、竹纤维39、海藻纤维18、聚乳酸纤维15、碳纤维9、抗菌剂1.5。
所述的抗菌剂,由以下重量份的原料组成:马尾连39、黄柏25、秦皮15、黄栌叶9,将所有原料粉碎,加入所有原料重量90倍量的体积分数为74%的酒精溶液,于32kHz超声提取30分钟,过滤,向滤渣中加入滤渣重量70倍量的水,煎煮至体积为原来的1/10,过滤,合并所有滤液,旋转蒸发至无酒精,过D型大孔树脂进行纯化,收集纯化液,冷冻干燥至无水分,能够抑制病菌生长,避免防护垫与皮肤接触处出现过敏现象,得抗菌剂。
制备方法同实施例1。
对比例1
去除壳聚糖纤维,其余制备方法,同实施例1。
对比例2
去除竹纤维,其余制备方法,同实施例1。
对比例3
去除海藻纤维,其余制备方法,同实施例1。
对比例4
去除聚乳酸纤维,其余制备方法,同实施例1。
对比例5
去除碳纤维,其余制备方法,同实施例1。
对比例6
去除抗菌剂,其余制备方法,同实施例1。
对比例7
去除步骤(2)中的冷冻干燥,其余制备方法,同实施例1。
对比例8
去除步骤(3),木棉纤维和棉纤维在步骤(3)中加入,其余制备方法,同实施例1。
对比例9
去除步骤(4),壳聚糖纤维和竹纤维在步骤(3)中加入,其余制备方法,同实施例1。
对比例10
去除步骤(5),海藻纤维、聚乳酸纤维和抗菌碳纤维在步骤(3)中加入,其余制备方法,同实施例1。
对比例11
现有传统普通医用无纺布防护垫。
实施例和对比例防护垫的防护效果:
分别取各组防护垫,参照GB/T22799-2009对实施例和对比例的防护垫进行吸水性测定,每种防护垫测定5次,结果为5次测定值的平均值,检测时间分别为3min、10min、30min,并向各组的防护垫接种金黄色葡萄球菌,计算防护垫的抑菌率,实施例和对比例防护垫的防护效果见表1。
表1:实施例和对比例防护垫的防护效果
项目 | 3min/(cm) | 10min/(cm) | 30min/(cm) | 抑菌率/(%) |
实施例1 | 5.5 | 7.9 | 18.4 | 92.6 |
实施例2 | 5.9 | 8.4 | 19.1 | 92.8 |
实施例3 | 5.7 | 8.2 | 18.7 | 91.7 |
对比例1 | 4.5 | 6.2 | 15.9 | 84.5 |
对比例2 | 4.2 | 5.9 | 15.5 | 85.2 |
对比例3 | 4.6 | 6.3 | 16.2 | 86.1 |
对比例4 | 4.3 | 5.8 | 15.6 | 84.3 |
对比例5 | 3.9 | 5.5 | 15.1 | 88.6 |
对比例6 | 5.3 | 6.8 | 17.7 | 60.9 |
对比例7 | 3.7 | 5.4 | 14.6 | 89.8 |
对比例8 | 5.2 | 7.4 | 16.7 | 91.2 |
对比例9 | 5.0 | 7.3 | 16.3 | 90.5 |
对比例10 | 5.5 | 7.8 | 16.5 | 89.8 |
对比例11 | 3.4 | 5.1 | 14.2 | 25.8 |
从表1的结果表明,实施例的医用防护垫,黏连程度明显较对比例小,毛细效应的高度明显较对比例大,表明实施例中防护垫的吸水性明显较对比例强,抑菌率明显较对比例大,说明本发明提供的医用防护垫具有很好的防护效果。
Claims (4)
1.一种医用防护垫,其特征在于,由以下重量份的原料制成:木棉纤维66~68、棉纤维58~60、壳聚糖纤维44~46、竹纤维37~39、海藻纤维16~18、聚乳酸纤维13~15、碳纤维7~9、抗菌剂1.3~1.5。
2.根据权利要求1所述医用防护垫,其特征在于,所述的抗菌剂,由以下重量份的原料组成:马尾连37~39、黄柏23~25、秦皮13~15、黄栌叶7~9,将所有原料粉碎,加入所有原料重量80~90倍量的体积分数为72~74%的酒精溶液,于30~32kHz超声提取25~30分钟,过滤,向滤渣中加入滤渣重量60~70倍量的水,煎煮至体积为原来的1/10,过滤,合并所有滤液,旋转蒸发至无酒精,过D型大孔树脂进行纯化,收集纯化液,冷冻干燥至无水分,得抗菌剂。
3.一种根据权利要求1所述医用防护垫的制备方法,其特征在于,包括以下步骤:
(1)向抗菌剂中加水,搅拌均匀,使抗菌剂的质量浓度为0.12~0.15%,得抗菌液;
(2)将碳纤维浸于抗菌液中,完全吸收后,将碳纤维冷冻干燥至含水量为0~3%,得抗菌碳纤维;
(3)将木棉纤维和棉纤维进行混纺,号数为1.2~1.4tex,得混合纤维A;
(4)将壳聚糖纤维和竹纤维进行混纺,号数为1.5~1.7tex,得混合纤维B;
(5)将海藻纤维、聚乳酸纤维和抗菌碳纤维进行混纺,号数为1.3~1.5tex,得混合纤维C;
(6)将混合纤维A、混合纤维B和混合纤维C充分混合,进行水刺,得医用防护垫。
4.根据权利要求3所述医用抗菌纱布的制备方法,其特征在于,所述步骤(2)的冷冻干燥,温度为-38~-36℃。
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