发明名称 METHOD OF OBTAINING THERAPEUTIC HYDROGEL
摘要 FIELD: medicine, pharmaceutics.SUBSTANCE: invention relates to the medical and pharmaceutical industry. Described method which includes the introduction of a medication into a polymer composition of a group of polysaccharides, gamma-sterilisation 6-15 kGr and introduction of sorbic acid or its water-soluble salts, or benzoic acid or its water-soluble salts, or a mixture of the said acids in a concentration of 0.05-1.00 wt % with constant mixing until a homogeneous consistency is obtained. As the polymer composition a mixture of sodium alginate and hyaluronic acid or sodium hyaluronate with the component ratio of 5:1, or a mixture of sodium alginate and pectin with the component ratio of 6:1, or swollen sodium alginate is used. It is suggested that the concentration of the medication should be selected from 0.25 to 20 wt %.EFFECT: method eliminates the growth of micriflora in the therapeutic hydrogel, making it possible to avoid large economical loss, allows delaying ?-sterilisation and does not allow the drop of the therapeutic hydrogel viscosity in the process of ?-sterilisation, provides the required period of medication prolongation.26 cl, 23 ex
申请公布号 RU2563232(C1) 申请公布日期 2015.09.20
申请号 RU20140112519 申请日期 2014.04.01
申请人 OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU "KOLETEKS" 发明人 OLTARZHEVSKAJA NATALIJA DMITRIEVNA;KRICHEVSKIJ GERMAN EVSEEVICH;KOROVINA MARIJA ANATOL'EVNA;SAVILOVA LARISA BORISOVNA
分类号 A61K9/06;A61K31/19;A61K31/728;A61K31/734;A61P31/04 主分类号 A61K9/06
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