CN106110381A - 一种壳聚糖止血粉及其制备方法 - Google Patents

一种壳聚糖止血粉及其制备方法 Download PDF

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CN106110381A
CN106110381A CN201610509210.2A CN201610509210A CN106110381A CN 106110381 A CN106110381 A CN 106110381A CN 201610509210 A CN201610509210 A CN 201610509210A CN 106110381 A CN106110381 A CN 106110381A
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chitosan
styptic powder
preparation
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sodium alginate
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刘洁
崔景强
徐鹏乐
牛利卫
郝国梁
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Henan Tuoren Beisite Medical Instrument Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L26/00Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
    • A61L26/0009Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form containing macromolecular materials
    • A61L26/0052Mixtures of macromolecular compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L26/00Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
    • A61L26/0061Use of materials characterised by their function or physical properties
    • A61L26/0066Medicaments; Biocides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/402Anaestetics, analgesics, e.g. lidocaine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/418Agents promoting blood coagulation, blood-clotting agents, embolising agents

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  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

本发明涉及一种壳聚糖止血粉及其制备方法,所述的壳聚糖止血粉由羧甲基壳聚糖、海藻酸钠、凝血酶混合制得,其重量份配比为:羧甲基壳聚糖0.1‑10份、海藻酸钠0.1‑10份、凝血酶0.0004‑0.0005份,本发明在传统的止血效果基础上增加止痛效果,且止血止痛效果有明显提高;在制备工艺上,采用交联法,交联环境均为纯化水,不涉及任何有机试剂,在后期处理过程中亦采用纯化水,不涉及任何有机试剂,大大简化了处理工艺,同时极大地提高了产品的安全性。

Description

一种壳聚糖止血粉及其制备方法
技术领域
本发明属于生物医用材料技术领域,具体涉及一种壳聚糖止血粉及其制备方法。
背景技术
出血是战伤中第一位的死亡原因,是创伤中第二位的死亡原因,出血也是创伤病人手术室死亡的主要原因,快速、有效地控制出血可明显减少因出血过多导致的死亡;及时、快速镇痛能够明显减少疼痛给受伤患者带来的痛苦,止血对术中减少失血、保持术野清晰、防止重要组织损伤、保证手术安全以及术后创口愈合、减少感染、缩短手术时间、对患者预后等均具有重要意义;疼痛是机体受到伤害性刺激后产生的一种保护性反应,常伴有恐惧、紧张、不安等情绪活动,使人感到痛苦。剧烈疼痛除反映在感觉上的痛苦和情绪上的不安外,且可导致生理功能紊乱,引起失眠,甚至诱发休克而危及生命,因此,临床上适当使用镇痛药以缓解剧痛并预防休克是必要的,在治疗疾病和创伤救护中有重要意义。因此止血镇痛,成为创伤护理的必要的紧急的措施。
粉状止血制剂不受创面大小及部位的限制,有其独到的优点,增加生物相容性特性后将进一步拓宽其使用范围。目前国外研制的可生物降解止血粉如ARISTATM,是一种用土豆淀粉提纯加工的、具有多微孔表面结构的多聚糖微球,粒径为10-200μm,其能快速吸收血液中的水份,浓缩凝血因子和血小板,促进血液凝结。止血效果较好,但价格昂贵且无镇痛效果。国内注册的几家,多采用壳聚糖单一成分原料。在制备工艺上多采用乳化交联法,使用有机试剂较繁杂,对于后期样品处理过程来说,工序繁杂,易造成环境方面的污染。总体成本较高,价格昂贵,而止血效果相差不多,镇痛效果亦不明显或没有该效果。
发明内容
本发明的目的在于克服现有技术的不足,而提供一种可迅速止血的壳聚糖止血粉及其制备方法。
本发明的目的是这样实现的:一种壳聚糖止血粉,所述的壳聚糖止血粉由羧甲基壳聚糖、海藻酸钠、凝血酶混合制得,其重量份配比为:羧甲基壳聚糖0.1-10份、海藻酸钠0.1-10份、凝血酶0.0004-0.0005份。
一种壳聚糖止血粉的制备方法,所述的制备方法包括如下步骤:
步骤1:依次将壳聚糖0.1-10g和海藻酸钠0.1-10g分别溶解于50ml蒸馏水中制成混合溶液,将羧甲基壳聚糖溶液和海藻酸钠溶液,充分搅拌滴加混和,制成水相溶液;
步骤2:制备氯化钙溶液:将氯化钙0.5-5g溶于100mL蒸馏水中,搅拌均匀后制得氯化钙水溶液;
步骤3:将氯化钙水溶液滴加到步骤1中所得到的溶液中,边滴加边搅拌,静置得到沉淀物;
步骤4:洗涤脱水,制备干粉:将步骤3中得到的沉淀物用蒸馏水洗涤,去除体系中的氯化钠,至pH为5.0-7.0,最后经干燥、研磨、过筛制得粉状止血粉;
步骤5:在粉状止血粉中加入0.4-0.5mg的凝血酶,研磨混合均匀,灭菌包装。
所述的步骤4中过筛选用400目筛。
所述的步骤2中氯化钙溶液的质量分数为0.5-5%。
本发明的有益效果:本发明在传统的止血效果基础上增加止痛效果,且止血止痛效果有明显提高;在制备工艺上,采用交联法,交联环境均为纯化水,不涉及任何有机试剂,在后期处理过程中亦采用纯化水,不涉及任何有机试剂,大大简化了处理工艺,同时极大地提高了产品的安全性。
具体实施方式
下面结合实施例对本发明做进一步的说明。
实施例1
将2g海藻酸钠和0.5g羧甲基壳聚糖分别溶入60mL和50mL蒸馏水中,将羧甲基壳聚糖溶液加入海藻酸钠溶液,充分搅拌混合,再加入1.0g氯化钙溶液40mL,充分搅拌,交联形成水凝胶体系,静置沉淀,弃上清液,用蒸馏水洗涤3次,至pH为5.0-7.0,真空干燥,研磨、过筛、成粉,该粉状固体物中加入凝血酶0.4mg,混合均匀,研磨成粉,辐照灭菌包装,成为止血止痛粉。
将制成的止血粉在大鼠股动脉和肝脏出血模型中,止血效果明显优于云南白药及其他类似产品,小鼠甩尾测试,证明镇痛效果良好。
实施例2
将5g海藻酸钠和1g羧甲基壳聚糖分别溶入150mL和100mL蒸馏水中,将羧甲基壳聚糖溶液加入海藻酸钠溶液,充分搅拌混合,再加入2.5g氯化钙溶液80mL,充分搅拌,交联形成水凝胶体系,静置沉淀,弃上清液,用蒸馏水洗涤3次,至pH为5.0-7.0,真空干燥,研磨、过筛、成粉,该粉状固体物中加入凝血酶1mg,混合均匀,辐照灭菌包装,成为止血止痛粉。
将制成的止血止痛粉在大鼠股动脉和肝脏出血模型中,止血效果明显优于云南白药及其他类似产品,小鼠甩尾测试,证明镇痛效果良好。

Claims (4)

1.一种壳聚糖止血粉,其特征在于:所述的壳聚糖止血粉由羧甲基壳聚糖、海藻酸钠、凝血酶混合制得,其重量份配比为:羧甲基壳聚糖0.1-10份、海藻酸钠0.1-10份、凝血酶0.0004-0.0005份。
2.一种如权利要求1所述的壳聚糖止血粉的制备方法,其特征在于:所述的制备方法包括如下步骤:
步骤1:依次将壳聚糖0.1-10g和海藻酸钠0.1-10g分别溶解于50ml蒸馏水中制成混合溶液,将羧甲基壳聚糖溶液和海藻酸钠溶液,充分搅拌滴加混和,制成水相溶液;
步骤2:制备氯化钙溶液:将氯化钙0.5-5g溶于100mL蒸馏水中,搅拌均匀后制得氯化钙水溶液;
步骤3:将氯化钙水溶液滴加到步骤1中所得到的溶液中,边滴加边搅拌,静置得到沉淀物;
步骤4:洗涤脱水,制备干粉:将步骤3中得到的沉淀物用蒸馏水洗涤,去除体系中的氯化钠,至pH为5.0-7.0,最后经干燥、研磨、过筛制得粉状止血粉;
步骤5:在粉状止血粉中加入0.4-0.5mg的凝血酶,研磨混合均匀,灭菌包装。
3.如权利要求2所述的一种壳聚糖止血粉的制备方法,其特征在于:所述的步骤4中过筛选用400目筛。
4.如权利要求2所述的一种壳聚糖止血粉的制备方法,其特征在于:所述的步骤2中氯化钙溶液的质量分数为0.5-5%。
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106421881A (zh) * 2016-11-17 2017-02-22 杭州浙海企业管理有限公司 一种壳聚糖止血愈创材料及其制备方法
CN107243086A (zh) * 2017-06-06 2017-10-13 广西达庆生物科技股份有限公司 一种可吸收复合止血粉及其制备方法
CN107308488A (zh) * 2017-06-06 2017-11-03 广西达庆生物科技股份有限公司 一种含氯化钙和海藻酸钠的止血粉的制备方法
CN112870430A (zh) * 2021-02-02 2021-06-01 四川大学 基于天然多糖的复合凝胶止血粉、其制备方法及应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1850111A (zh) * 2006-02-28 2006-10-25 中国人民解放军第二军医大学 一种可生物降解的止血粉
CN105597144A (zh) * 2015-12-31 2016-05-25 北京湃生生物科技有限公司 一种可吸收胶原止血粉及其制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1850111A (zh) * 2006-02-28 2006-10-25 中国人民解放军第二军医大学 一种可生物降解的止血粉
CN105597144A (zh) * 2015-12-31 2016-05-25 北京湃生生物科技有限公司 一种可吸收胶原止血粉及其制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106421881A (zh) * 2016-11-17 2017-02-22 杭州浙海企业管理有限公司 一种壳聚糖止血愈创材料及其制备方法
CN107243086A (zh) * 2017-06-06 2017-10-13 广西达庆生物科技股份有限公司 一种可吸收复合止血粉及其制备方法
CN107308488A (zh) * 2017-06-06 2017-11-03 广西达庆生物科技股份有限公司 一种含氯化钙和海藻酸钠的止血粉的制备方法
CN112870430A (zh) * 2021-02-02 2021-06-01 四川大学 基于天然多糖的复合凝胶止血粉、其制备方法及应用

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