CN109568567A - 一种微针减肥贴片及其制备方法 - Google Patents
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- CN109568567A CN109568567A CN201910035864.XA CN201910035864A CN109568567A CN 109568567 A CN109568567 A CN 109568567A CN 201910035864 A CN201910035864 A CN 201910035864A CN 109568567 A CN109568567 A CN 109568567A
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Abstract
本发明涉及一种微针减肥贴片及其制备方法,该微针减肥贴片包括基座和立于基座上的并可穿刺皮肤角质层的微针阵列,微针阵列是由纳米颗粒原料液制成的矩阵,纳米颗粒原料液包括功效剂和可降解材料液,功效剂通过与可降解材料液共浇注的方式负载于微针的针体内。本发明提供的微针减肥贴片含有微米级可溶性针头,可刺穿皮肤的角质层,使有效成分能避开角质层屏障缓慢释放直达活性表皮,从而发挥除去脂肪、除去赘肉和瘦身塑形的功效;无需专业人员操作,不存在技术风险,对白色脂肪密集部位进行局部、可控、无痛的缓慢释放给药,可以在任何肥胖的部位粘贴,对皮肤无刺激副作用。该微针减肥贴片与吸脂手术相比,价格低廉,安全可靠。
Description
技术领域
本发明涉及医疗美容领域,具体涉及一种微针减肥贴片及其制备方法。
背景技术
随着现代社会的经济发展和生活方式的改变,肥胖的发病率呈逐年递增趋势,世界卫生组织预计到2020年,我国肥胖人数可能超过美国,而2030年全球超重人口将突破21.6亿。肥胖症是由于机体热量摄人大于消耗而造成体内白色脂肪组织积聚过多,形成局部脂肪堆积部位。白色脂肪组织以甘油三脂的形式储存体内新陈代谢所多余的能量,当甘油三酯沉积到一定程度,就会形成肥胖。而脂肪的另一种形式—褐色脂肪组织,其中含有大量的线粒体,更容易发生脂肪酸β氧化,产生更多的能量,用于生命代谢活动。
对于减肥,常采用的方法有药物减肥和手术减肥两种方法。服用减肥药是常用的方法,市面上的减肥药质量参差不齐,很多都没有生产许可证,且长期服用减肥药会对肠胃造成一定的副作用,更严重的,会使人们食欲不振,最后患上厌食症。对于手术减肥,吸脂往往是利用超声波的能量选择性地破坏脂肪细胞,然后用器械通过皮肤小切口伸入皮下脂肪层将脂肪碎块脂抽出,以达到抽出脂肪的目的。但这种外科方法具有一定的技术难度和风险,容易导致出血过多或麻药中毒,要在无菌条件下进行,具有适用范围窄、风险高、价格昂贵和不良反应等缺点。
发明内容
针对现有技术中存在的技术问题,本发明的目的在于提供一种微针减肥贴片及其制备方法,该微针减肥贴片可以刺穿皮肤的角质层,使以纳米颗粒形式存在的有效成分能避开角质层屏障,缓慢释放直至到达活性表皮,将体内白色脂肪组织转变为褐色脂肪组织,从而发挥功效,能够有效的除去肥胖部位的脂肪,达到减肥塑身的功效。且这一种微针减肥贴片面积较大,可作用于更多的肥胖部位。
为了实现上述目的,本发明是通过以下技术方案实现的:
本发明的第一个目的在于提出一种微针减肥贴片,包括基座和立于基座上的并可穿刺皮肤角质层的微针阵列,所述微针阵列是由纳米颗粒原料液制成的矩阵,所述纳米颗粒原料液包括功效剂和可降解材料液,每毫升所述纳米颗粒原料液中包含0.1-100IU功效剂,所述功效剂为葡萄糖氧化酶、过氧化氢酶、罗格列酮、三碘甲状腺原氨酸(T3)、β3-肾上腺素受体激动剂中的至少一种。
进一步地,所述微针阵列中包括1000-10000根微针,每根微针针体为菱锥体或圆锥体。
进一步地,每根微针相对靠近阵列基座的底面的直径为50-500微米,每根微针的高度为100-1000微米,相邻微针之间间隔100~1000微米。
进一步地,所述可降解材料液包括可降解材料和无菌水,所述可降解材料质量占所述可降解材料液质量的5-20%。
更进一步地,所述可降解材料选自丝素蛋白、明胶、羧甲基纤维素钠、聚丙烯酸铵、纤维蛋白、葡聚糖、壳聚糖、琼脂糖、海藻糖、右旋糖、山梨糖醇、聚乳酸、乳果糖、阿拉伯胶、环糊精和马来酸中的至少一种。
进一步地,所述阵列基座包括依次连接的胶合层和背衬膜层,所述胶合层与微针阵列连接。
更进一步地,所述胶合层内含有促渗透剂,所述促渗透剂占胶合层的质量百分比为1-20%,所述促渗透剂成分选自薄荷醇、冰片、精油、当归提取物中的至少一种。
更进一步地,所述胶合层内含有吸汗剂,所述吸汗剂占胶合层的质量百分比为1-20%,所述吸汗剂成分选自藻酸钙、辛烯基琥珀酸淀粉钠、交联琥珀酸淀粉脂中的至少一种。
本发明的第二个目的在于提出上述任一项所述的一种微针减肥贴片的制备方法,包括:
(1)将纳米颗粒功效剂和可降解材料液充分混合制得模液,将模液注入具有微孔阵列的模腔内,离心让模液填满微孔,除去多余的溶液,干燥除去溶剂,形成固定成型的微针阵列;
(2)制备形成胶合层的第二模液,并将第二模液摊平在背衬膜上,再将固定成型的微针阵列粘合在附有第二模液的背衬膜层上;所述胶合层一面粘合微针阵列,另一面粘合背衬膜层;粘合完成后,将微针阵列从模具内取出得到微针减肥贴片。
与现有技术相比,本发明的有益效果在于:
(1)本发明提供的微针减肥贴片含有微米级可溶性针头,可以刺穿皮肤的角质层,使纳米颗粒有效成分能避开角质层屏障缓慢释放直达活性表皮,从而发挥功效。通过功效剂和可降解材料液能够有效的除去脂肪、除去赘肉和瘦身塑形。同时,该微针减肥贴片与吸脂手术相比,不仅价格低廉,而且安全可靠。
(2)微针减肥贴片不需要专业人员操作使用,不存在技术上的风险,对白色脂肪密集部位进行局部、可控、无痛的缓慢释放给药,不会对皮肤有任何刺激副作用,是一种可以让普通消费者都能使用的产品。且其为一次性消费品,独立包装使用,使用简单,可以在任何肥胖的部位粘贴。
(3)同时,微针减肥贴片结合了现代美容技术和活性有效成分,是美容应用技术上的一种新突破,使其应用效果优于普通的减肥贴剂和一般的抽脂手术。
(4)本发明的微针减肥贴片中可降解材料为微针阵列提供相当的机械强度,便于微针可以刺穿角质层,继而在皮肤表面以及内部形成微孔,便于活性成分直接进入皮肤内,同时,可降解材料自身具有补水功效,可以与功效剂协同作用,提升其减肥效果。
(5)本发明的微针减肥贴片中胶合层内含有促渗透剂和吸汗剂成分,促渗透剂兴奋神经中枢,促进毛细血管扩张,产生热量,增强汗液的分泌,促进纳米颗粒功效剂被吸收到皮肤内;吸汗剂可以吸收分泌的汗液,进一步诱使热量继续产生,继而实现其减肥功能。同时,将减肥成分和微针贴片进行结合,进一步提升微针减肥贴片的效果。
附图说明
图1为本发明的微针减肥贴片的结构示意图。
图2为本发明的微针减肥贴片的使用示意图。
具体实施方式
展示一下实例来具体说明本发明的某些实施例,且不应解释为限制本发明的范围。对本发明公开的内容可以同时从材料、方法和反应条件进行改进,所有这些改进,均应落入本发明的的精神和范围之内。
本发明实施例提供的一种微针减肥贴片,微针减肥贴片包括可穿刺皮肤角质层的微针阵列和阵列基座,微针阵列和阵列基座连接。其中微针阵列可以刺穿皮肤的角质层使得微针阵列内的纳米颗粒有效成分能避开角质层屏障缓慢释放,直达活性表皮,同时,微针可在皮肤表面形成微小通道,将减肥成份缓慢释放到皮内,保证活性成分的吸收。同时,微针刺入皮肤的深度以及面积有限,皮肤自动愈合的能力完全能够将微针形成的微创愈合,防止微针刺伤皮肤。
微针阵列包括多根微针(1000-10000根),多根微针在阵列基座上呈阵列排布,每根微针为菱形或者圆锥形,每根微针相对靠近阵列基座的底面的直径为50-500微米,每根微针的高度为100-1000微米,相邻微针之间间隔100~1000微米。每根微针采用上述规格能够控制微针刺入皮肤的深度和皮肤受损面积,继而既能够保证活性表皮对有效成分的吸收,又能够防止刺入深度过深或者受损面积过大而造成皮肤不易自动愈合,防止微针刺伤皮肤,降低微针减肥贴片的副作用。
微针阵列是由纳米颗粒原料液制成的矩阵,微针原料液包括功效剂和可降解材料液,即每根微针均是采用上述物质制成;每毫升微针原料液包括0.1-100IU功效剂。采用上述比例的功效剂能够保证皮肤对功效剂的吸收,且功效剂能够最大发挥其功效,减少功效剂的浪费。功效剂为葡萄糖氧化酶、过氧化氢酶、罗格列酮、三碘甲状腺原氨酸(T3)、β3-肾上腺素受体激动剂中的任意一种或几种。上述功效剂均为具有对应的功效的物质,继而可以实现减肥、降脂、降糖、塑身等功效。可降解材料液包括可降解材料和无菌水,可降解材料的质量占可降解材料液质量的5-20%;可降解材料为丝素蛋白、明胶、羧甲基纤维素钠、聚丙烯酸铵、纤维蛋白、葡聚糖、壳聚糖、琼脂糖、海藻糖、右旋糖、山梨糖醇、聚乳酸、乳果糖、阿拉伯胶、环糊精和马来酸的任意一种或几种。可降解材料为微针阵列提供相当的机械强度,便于微针可以刺穿角质层,继而在皮肤表面以及内部形成微孔,便于活性成分直接进入皮肤内,同时,可降解材料自身具有补水功效,可以与功效剂协同作用,提升其效果。
阵列基座包括依次连接的胶合层和背衬膜层,胶合层与微针阵列连接。胶合层对微针阵列进行粘结,保证微针阵列刺入皮肤,且逐渐被皮肤吸收后,仍可以贴服与皮肤表面,也可以对微针阵列进行支撑和固定,防止微针被部分吸收后从皮肤内滑出,保证微针均能被皮肤吸收。胶合层内含有促渗透剂和吸汗剂成分,二者占胶合层的质量百分比均为1-20%。促渗透剂兴奋神经中枢,促进毛细血管扩张,产生热量,增强汗液的分泌,促进纳米颗粒功效剂被吸收到皮肤内;吸汗剂可以吸收分泌的汗液,进一步诱使热量继续产生,继而实现其减肥功能。同时,将减肥成分和微针贴片进行结合,进一步提升微针减肥贴片的效果。本发明中的促渗透剂成分选自薄荷醇、冰片、精油、当归提取物中的至少一种,吸汗剂成分选自藻酸钙、辛烯基琥珀酸淀粉钠、交联琥珀酸淀粉脂中的至少一种。背衬膜层为聚乙烯-铝-聚/乙烯-乙酸乙烯复合膜、多层聚酯膜、聚酯-乙烯醋酸乙烯复合膜中的任意一种。
本发明实施例还提供一种上述微针减肥贴片的制备方法,包括以下步骤:
S1、制备微针阵列
将可降解材料和无菌水进行混合得到可降解材料液,将纳米颗粒功效剂和可降解材料液混合均匀得到第一模液,而后将第一模液注入具有微孔阵列的模腔内,除去多余的第一模液,干燥除去溶剂,同时将模具放入干燥器内进行干燥,得到固定成型的微针阵列。
S2、制备微针减肥贴片
将促渗透剂和吸汗剂成分与溶剂胶加热混合均匀得到第二模液,在模具上依次添加第二模液和背衬膜,凝固后形成胶合层和背衬膜层,胶合层一面与微针阵列作用,继而实现微针阵列的粘合,另一面粘合背衬膜层。粘合完成后,将微针阵列从模具内取出得到微针减肥贴片。该微针减肥贴片的形状可为椭圆形、V形、泪滴形、弯月形、矩形、蝴蝶兰形。微针减肥贴片的功效为减肥、降脂、降糖、塑身等功效。
本发明实施例还提供一种减肥方法,其将将微针垂直面部快速压入皮肤,并作用至少4h后才能移去。
以下结合实施例对本发明的特征和性能作进一步的详细描述。
实施例1
微针阵列包括1000根微针,每根微针相对靠近阵列基座的底面的直径为50微米,每根微针的高度为100微米。可降解材料的质量占可降解材料液质量的5%,相邻两根微针之间的间距为100微米。每毫升微针原料液包括0.1IU功效剂。功效剂为过氧化氢酶和罗格列酮的混合物,可降解材料为明胶。
胶合层是由聚异丁烯压敏胶、水凝胶型压敏胶、聚硅氧烷烷压敏胶和热熔压敏胶制成的连接层;胶合层内含有促渗透剂和吸汗剂,成分分别为冰片和藻酸钙的混合物;背衬膜层为多层聚酯膜。
上述微针减肥贴片的制备方法,包括以下步骤:
将0.05mg过氧化氢氧化酶和0.05mg罗格列酮溶于1ml无菌H2O中,混匀后再加入50mg的明胶,充分混匀得到第一模液,继而,可降解材料的质量占所述可降解材料液质量的5%。将第一模液置于微针聚二甲基硅氧烷(PDMS)模具中,离心,使混合物分布均匀,用棉拭子擦去模具表面多余的明胶,收集备用,将模具置于干燥器中干燥;再添加聚丙烯酸胺和医用无毒水乳胶,覆盖多孔聚丙烯膜,将微针阵列取出。
将冰片1g、藻酸钙2g与医用热敏胶97g加热混匀得到第二模液,将第二模液摊平在多孔聚丙烯膜上,再将取出的微针阵列压在附有第二模液的背衬膜层上。
实施例2
微针阵列包括2000根微针,每根微针相对靠近阵列基座的底面的直径为200微米,每根微针的高度为400微米。可降解材料的质量占可降解材料液质量的10%,相邻两根微针之间的间距为600微米。每毫升微针原料液包括20IU功效剂。功效剂为葡萄糖氧化酶和罗格列酮的混合物,可降解材料为丝素蛋白。
胶合层是由聚异丁烯压敏胶、水凝胶型压敏胶、聚硅氧烷烷压敏胶和热熔压敏胶制成的连接层;胶合层内含有促渗透剂和吸汗剂,成分为薄荷醇和藻酸钙的混合物;背衬膜层为聚乙烯-铝-聚/乙烯-乙酸乙烯复合膜。
上述微针减肥贴片的制备方法,包括以下步骤:
将10mg葡萄糖氧化酶和10mg罗格列酮溶于1ml无菌H2O中,混匀后再加入150mg的丝素蛋白,充分混匀得到第一模液,继而,可降解材料的质量占所述可降解材料液质量的15%。将第一模液置于微针聚二甲基硅氧烷(PDMS)模具中,离心,使混合物分布均匀,用棉拭子擦去模具表面多余的丝素蛋白,收集备用,将模具置于干燥器中干燥;再添加聚丙烯酸胺和医用无毒水乳胶,覆盖多孔聚丙烯膜,将微针取出。
将薄荷醇20g、藻酸钙1g与医用热敏胶79g加热混匀得到第二混模液,将第二模液摊平在多孔聚丙烯膜上,再将取出的微针压在附有第二模液的背衬膜层上。
实施例3
微针阵列包括4000根微针,每根微针相对靠近阵列基座的底面的直径为300微米,每根微针的高度为500微米。可降解材料的质量占可降解材料液质量的20%,相邻两根微针之间的间距为900微米。每毫升微针原料液包括10IU功效剂。功效剂为过氧化氢酶和三碘甲状腺原氨酸的混合物,可降解材料为山梨糖醇。
胶合层是由聚异丁烯压敏胶、水凝胶型压敏胶、聚硅氧烷烷压敏胶和热熔压敏胶制成的连接层;胶合层内含有促渗透剂和吸汗剂,成分为当归提取物和辛烯基琥珀酸淀粉钠的混合物;背衬膜层为聚酯-乙烯醋酸乙烯复合膜。
本实施例提供一种微针减肥贴片的制备方法,包括以下步骤:
将10mg过氧化氢酶和三碘甲状腺原氨酸的混合物溶于1ml无菌H2O中,混匀后再加入200mg的山梨糖醇,充分混匀得到第一混合物,继而,可降解材料的质量占所述可降解材料液质量的20%。将第一混合物置于微针聚二甲基硅氧烷(PDMS)模具中,在-0.09MPa的真空度条件下抽真空处理,将模具置于干燥器中干燥;再添加聚丙烯酸胺和医用无毒水乳胶,覆盖多孔聚丙烯膜,将微针取出。
将当归提取物10g、辛烯基琥珀酸淀粉钠10g与医用热敏胶80g加热混匀得到第二模液,将第二模液摊平在多孔聚丙烯膜上,再将取出的微针压在附有第二混合物的背衬膜层上。
实施例4
微针阵列包括10000根微针,每根微针相对靠近阵列基座的底面的直径为500微米,每根微针的高度为1000微米。可降解材料的质量占可降解材料液质量的20%,相邻两根微针之间的间距为1000微米。每毫升微针原料液包括100IU功效剂。功效剂为过氧化氢酶和三碘甲状腺原氨酸的混合物,可降解材料为环糊精。
胶合层是由聚异丁烯压敏胶、水凝胶型压敏胶、聚硅氧烷烷压敏胶和热熔压敏胶制成的连接层;胶合层内含有促渗透剂和吸汗剂,成分为当归提取物和辛烯基琥珀酸淀粉钠的混合物;背衬膜层为多层聚酯膜。
本实施例提供一种微针减肥贴片的制备方法,包括以下步骤:
将100mg过氧化氢酶和三碘甲状腺原氨酸的混合物溶于1ml无菌H2O中,混匀后再加入200mg的环糊精,充分混匀得到第一混合物,继而,可降解材料的质量占所述可降解材料液质量的20%。将第一混合物置于微针聚二甲基硅氧烷(PDMS)模具中,在-0.09MPa的真空度条件下抽真空处理,将模具置于干燥器中干燥;再添加聚丙烯酸胺和医用无毒水乳胶,覆盖多孔聚丙烯膜,将微针取出。
将当归提取物10g、辛烯基琥珀酸淀粉钠20g与医用热敏胶70g加热混匀得到第二模液,将第二模液摊平在多孔聚丙烯膜上,再将取出的微针压在附有第二模液的背衬膜层上。
实施例5
下面以实施例1-4中制备的产品示例性的介绍本发明产品的应用实例。本发明从众多的志愿者中,选择了年龄段为20-50岁,均患有不同程度的肥胖的150名志愿者,其中男女各75名,进行对比试验。将150名志愿者随机分为5组,每组中的男女志愿者人数相同,且各年龄段的人数基本相同;其中4组分别采用实施例1-4中制备的产品,第5组的志愿者加强运动。跟踪一年之后,其结果如下:
表1
根据上表可知,本发明实施例1中的产品疗效优于运动减肥。运动可以达到减肥的效果,但是并不适用于所有人,且减肥效果不明显。
综上所述,本发明实提供微针减肥贴片含有微米级可溶性针头,可以刺穿皮肤的角质层,使纳米颗粒有效成分能避开角质层屏障缓慢释放,直达活性表皮,从而实现低剂量给药和降低药物对其他器官的副作用。通过功效剂和可降解材料液能够有效的减肥、降脂、降糖、塑身。同时,该微针减肥贴片与吸脂相比,不仅价格低廉,而且安全可靠。微针贴片不需要专业人员操作使用,不存在技术上的风险,对白色脂肪密集部位进行局部、可控、无痛的缓慢释放给药,不会对皮肤有任何刺激副反应,是一种可以让普通消费者都能使用的产品。且其为一次性消费品,独立包装使用,使用简单,可以在任何肥胖的部位粘贴。同时,微针减肥贴片结合了现代美容技术和活性有效成分,是美容应用技术上的一种新突破,使其应用效果优于普通的减肥贴剂和一般的抽脂手术。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (9)
1.一种微针减肥贴片,包括基座和立于基座上的并可穿刺皮肤角质层的微针阵列,其特征在于,所述微针阵列是由纳米颗粒原料液制成的矩阵,所述纳米颗粒原料液包括功效剂和可降解材料液,每毫升所述纳米颗粒原料液中包含0.1-100IU功效剂,所述功效剂为葡萄糖氧化酶、过氧化氢酶、罗格列酮、三碘甲状腺原氨酸(T3)、β3-肾上腺素受体激动剂中的至少一种。
2.根据权利要求1所述一种微针减肥贴片,其特征在于,所述微针阵列中包括1000-10000根微针,每根微针针体为菱锥体或圆锥体。
3.根据权利要求1所述一种微针减肥贴片,其特征在于,每根微针相对靠近阵列基座的底面的直径为50-500微米,每根微针的高度为100-1000微米,相邻微针之间间隔100~1000微米。
4.根据权利要求1所述一种微针减肥贴片,其特征在于,所述可降解材料液包括可降解材料和无菌水,所述可降解材料质量占所述可降解材料液质量的5-20%。
5.根据权利要求1或4任一项所述一种微针减肥贴片,其特征在于,所述可降解材料选自丝素蛋白、明胶、羧甲基纤维素钠、聚丙烯酸铵、纤维蛋白、葡聚糖、壳聚糖、琼脂糖、海藻糖、右旋糖、山梨糖醇、聚乳酸、乳果糖、阿拉伯胶、环糊精和马来酸中的至少一种。
6.根据权利要求1所述一种微针减肥贴片,其特征在于,所述阵列基座包括依次连接的胶合层和背衬膜层,所述胶合层与微针阵列连接。
7.根据权利要求6所述的一种微针减肥贴片,其特征在于,所述胶合层内含有促渗透剂,所述促渗透剂占胶合层的质量百分比为1-20%,所述促渗透剂成分选自薄荷醇、冰片、精油、当归提取物中的至少一种。
8.根据权利要求6所述的一种微针减肥贴片,其特征在于,所述胶合层内含有吸汗剂,所述吸汗剂占胶合层的质量百分比为1-20%,所述吸汗剂成分选自藻酸钙、辛烯基琥珀酸淀粉钠、交联琥珀酸淀粉脂中的至少一种。
9.如权利要求1-8任一项所述的一种微针减肥贴片的制备方法,其特征在于,包括:
(1)将纳米颗粒功效剂和可降解材料液充分混合制得模液,将模液注入具有微孔阵列的模腔内,离心让模液填满微孔,除去多余的溶液,干燥除去溶剂,形成固定成型的微针阵列;
(2)制备形成胶合层的第二模液,并将第二模液摊平在背衬膜上,再将固定成型的微针阵列粘合在附有第二模液的背衬膜层上;所述胶合层一面粘合微针阵列,另一面粘合背衬膜层;粘合完成后,将微针阵列从模具内取出得到微针减肥贴片。
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