The invention discloses a 3D printing gastrointestinal sustained release tablet, including a 3D printing multilayer controlled release tablet produced by a 3D printer through a printed material. The layers of the multilayer controlled release tablets are 2~7 layers, the outer layer thickness of the multilayer controlled release tablets is 4 to 6mm, the inner layer is 2 to 7mm, and the concentration of the 3D printing multilayer controlled release tablets is in the outer layer. The concentration of drug in 3D printing multilayer controlled-release tablets is lower than that in the inner layer. The concentration ratio of the outer layer to the inner layer is 0.35:1 to 0.8:1. The 3D printed gastrointestinal sustained-release tablets of the invention can be used to print out the dosage suitable for the treatment of the patients, especially for the elderly and the children, according to the difference of the patient's condition, by changing the thickness of each layer and the amount of drug loading.
【技术实现步骤摘要】
一种3D打印胃肠缓释药片
本专利技术涉及一种医疗用药,具体涉及一种缓释药片。
技术介绍
有的控释制剂是通过控释衣膜定时、定量、匀速地向外释放药物的一种剂型,使血药浓度恒定,从而更好地发挥疗效。传统的控释制剂一般都要经过包衣或者制成缓释微球,不仅工艺复杂,而且载药量低。3D打印作为一种新型的加工制作方式,其在药物制剂领域的应用已经初露头角。3D打印以数字化为基础,可以很好的控制加工制作的过程及结果。包括控制填充率、比表面积、质地均匀度等,在制作控释缓释药物制剂领域有很高的潜力。
技术实现思路
专利技术目的:本专利技术的目的在于针对现有技术的不足,提供一种3D打印胃肠缓释药片,方便使用。技术方案:本专利技术的一种3D打印胃肠缓释药片,包括3D打印机通过打印材料制得的3D打印多层控释药片,所述多层控释药片的层数为2~7层,多层控释药片的外层厚度为4~6mm,内层厚度为2~7mm,所述3D打印多层控释药片载药的浓度为外层浓度相对内层载药浓度低,所述3D打印多层控释药片载药的浓度,外层与内层浓度比为0.35:1~0.8:1。所述3D打印多层控释药片的形状为月牙形、六角形或球形。所述打印材料为1~3wt%羟丙基甲基纤维素、5~10wt%海藻酸盐和0.15~0.2wt%氯化钙。所述3D打印机的打印压强为0.6~0.8kpa,制药的3D打印机喷头移动速度为10~20mm/s,打印温度10~15℃。所述打印材料与载药药物通过乳化机融合。所述3D打印机为以气压为动力的打印机。有益效果:本专利技术的3D打印胃肠缓释药片从外层到内层各层的厚度及载药量递增,通过调控参数,实现药物控制释 ...
【技术保护点】
1.一种3D打印胃肠缓释药片,其特征在于:包括3D打印机通过打印材料制得的3D打印多层控释药片,所述多层控释药片的层数为2~7层,多层控释药片的外层(1)厚度为4~6mm,内层(2)厚度为2~7mm,所述3D打印多层控释药片载药的浓度为外层(1)浓度相对内层(2)载药浓度低,所述3D打印多层控释药片载药的浓度,外层(1)与内层(2)浓度比为0.35:1~0.8:1。
【技术特征摘要】
1.一种3D打印胃肠缓释药片,其特征在于:包括3D打印机通过打印材料制得的3D打印多层控释药片,所述多层控释药片的层数为2~7层,多层控释药片的外层(1)厚度为4~6mm,内层(2)厚度为2~7mm,所述3D打印多层控释药片载药的浓度为外层(1)浓度相对内层(2)载药浓度低,所述3D打印多层控释药片载药的浓度,外层(1)与内层(2)浓度比为0.35:1~0.8:1。2.根据权利要求1所述的3D打印胃肠缓释药片,其特征在于:所述3D打印多层控释药片的形状为月牙形、六角形或球形。3.根据权利要求2所述...
【专利技术属性】
技术研发人员:曾伟宏,
申请(专利权)人:芜湖启泽信息技术有限公司,
类型:发明
国别省市:安徽,34
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