CN1070367C - 注射贴及其制备方法 - Google Patents

注射贴及其制备方法 Download PDF

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CN1070367C
CN1070367C CN97107625A CN97107625A CN1070367C CN 1070367 C CN1070367 C CN 1070367C CN 97107625 A CN97107625 A CN 97107625A CN 97107625 A CN97107625 A CN 97107625A CN 1070367 C CN1070367 C CN 1070367C
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injection
binding agent
injection adhesion
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CN1168793A (zh
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刘明蓉
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DEYANG HUAKANG PHARMACEUTICAL Co Ltd
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DEYANG HUAKANG PHARMACEUTICAL Co Ltd
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Abstract

本发明的注射贴在衬底上涂复有含扩血管剂,局部镇痛剂,粘合剂的物料层,物料层上有覆盖层,其制备方法是将扩血管剂用有机容剂稀释,将局部镇痛剂用水配制成饱和溶液后用碱液调成pH8.5,加入有机溶剂萃取,得萃取液与上述稀释液混合加入粘合剂搅拌均匀后铺在衬底上,贴上覆盖层即成。

Description

注射贴及其制备方法
本发明与将药品制成特殊的物理形式的方法和产品有关,尤其与注射用的药贴有关。
静脉注射,肌肉注射,皮下注射是医院诊冶疾病最主要的方法。静脉注射失败常见的原因有:寒冷的季节正常血管收缩变细,儿科患者血管细小,癌症化疗期血管内膜受损使血管腔变窄甚至闭塞。年老体衰慢性病人血管条件较差等。肌肉注射,皮下注射往往伴有硬结形成,影响药物吸收。各种注射均伴有机械性损伤疼痛。以上三种不良因素的克服是医患双方共同的需要。
本发明的目的是提供一种使用方便,安全,提高静脉注射成功率,减少肌肉注射、皮下注射形成的硬结,减轻甚至去除注射引起的疼痛的注射贴及其制备方法。
本发明是这样实现的:
本发明含有扩血管剂,局部镇痛剂,粘合剂的物料层涂复在衬底上,物料层上有复盖层。
本发明的物料层的组分和用量如下:重量%
扩血管剂      1-3
局部镇痛剂    30-60
粘结剂        38-68
本发明的扩血管剂为硝酸甘油,所说的局部镇痛剂为脂溶性丁卡因,所说的粘结剂为丙烯酸。
本发明的物料层的组分和用量如下:重量%
硝酸甘油        1.8
脂溶性丁卡因    43.2
丙烯酸          55
本发明的注射贴的制备方法,由如下工序组成:
(1)将扩血管剂用有机溶剂稀释至5mg/ml,得稀释剂(Ⅰ)。
(2)将局部镇痛剂用水配制成饱和溶液后,用碱溶液调成pH8.5,加入有机溶剂萃取,得萃取液(Ⅱ)。
(3)将(Ⅰ),(Ⅱ)液混合加入粘合剂搅拌均匀后,均匀铺在衬底上,贴上复盖层即成。
本发明只需进行静脉注射,肌肉注射,皮下注射的病人在注射前自行将本发明注射贴贴于注射部位30分钟以上揭去,消毒后即可进针。
本发明的注射贴由于具有确切的局部扩血管作用,能改善局部微循环,提高局部血流灌注管,故在临床上能达到提高血管充盈度,提高静脉注射成功率而保护了血管,增强药物吸收速度,减少肌注和皮下注射形成的硬结,减轻甚至去除所有注射疼痛。无任何毒副作用,使全安全、方便。制作工艺简单,成本低廉。
如下是本发明的实施例:
本发明的扩血管剂可为中国药典中的下述药物:
己酮可可碱
戊四硝酯粉
环扁桃酯
桂利嗪
盐酸尼卡地平
盐酸氟桂利嗪
盐酸倍他可汀
盐酸罂粟碱
硝普钠
硝酸甘油溶液
硝酸异山梨酯
尼莫地平。
本发明的局部镇痛剂可为中国药典中的下述药物:
盐酸丁卡因,
环苯甲醇,
萃佐卡因
盐酸可卡因
盐酸利多卡因
盐酸普鲁卡因。
本例中扩血管剂为硝酸甘油,局部镇痛剂为脂溶性丁卡因,粘结剂为医用亚敏胶,其配方如下:
Figure C9710762500051
本例中取配方1。其制备方法如下:
将盐酸丁卡因用水配成饱和溶液后,用Na2O3溶液调至pH8.5,加入乙酸乙酯萃取,静止后弃萃余液,得乙酸乙酯萃取液(Ⅰ)。
将硝酸甘油用乙醇稀释至5mg/ml,得硝酸甘油乙醇液(Ⅱ)。
将Ⅰ和Ⅱ液混合加入丙烯酸(医用亚敏胶)搅拌均匀后,将混合液均匀铺在衬底(如腊光纸,聚乙烯薄膜等)上,用防粘纸复盖,按每片4×4cm2切割,即得成品。
本发明的注射贴经急性毒性实验,致敏实验,局部刺激实验证实无毒副作用。
本发明经功效试验(扩血管试验,对家兔耳部微循环的影响试验,对免耳灌流的影响试验,镇痛实验),证实有明显扩血管作用,改善由肾上腺素所致的微循环障碍,增加兔耳灌流量和镇痛效应。
本发明经临床实验、临床验证结果表明:注射贴局部扩张血管和局部镇痛作用确切,性能安全可靠,值得临床广泛推广。

Claims (5)

1、注射贴,其特征在于含有扩血管剂,局部镇痛剂,粘合剂的物料层涂复在衬底上,物料层上有复盖层。
2、根据权利要求1所述的注射贴,其特征在于物料层的组分和用量如下:重量%
扩血管剂      1-3
局部镇痛剂    30-60
粘结剂        38-68
3、根据权利要求1或2所述的注射贴,其特征在于所说的扩血管剂为硝酸甘油,所说的局部镇痛剂为脂溶性丁卡因,所说的粘结剂为丙烯酸。
4、根据权利要求1或2所述的注射贴,其特征在于物料层的组分和用量如下:重量%
硝酸甘油       1.8
脂溶性丁卡因   43.2
丙烯酸         55
5、注射贴的制备方法,由如下工序组成:
(1)将扩血管剂用有机溶剂稀释至5mg/ml,得稀释剂(Ⅰ)。
(2)将局部镇痛剂用水配制成饱和溶液后,用碱溶液调成pH8.5,加入有机溶剂萃取,得萃取液(Ⅱ)。
(3)将(Ⅰ),(Ⅱ)液混合加入粘合剂搅拌均匀后,均匀铺在衬底上,贴上复盖层即成。
CN97107625A 1997-08-07 1997-08-07 注射贴及其制备方法 Expired - Fee Related CN1070367C (zh)

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Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1072093A (zh) * 1991-06-10 1993-05-19 舒沃茨药物股份公司 硝酸甘油橡皮膏及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1072093A (zh) * 1991-06-10 1993-05-19 舒沃茨药物股份公司 硝酸甘油橡皮膏及其制备方法

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