METHOD FOR PREPARING NEUTRALIZED MATRIX OF NON-ANTIGENIC COLLAGENOUS MATERIAL
    1.
    发明公开
    METHOD FOR PREPARING NEUTRALIZED MATRIX OF NON-ANTIGENIC COLLAGENOUS MATERIAL 审中-公开
    VERFAHREN ZUR HERSTELLUNG EINER中性粒子基因组合蛋白

    公开(公告)号:EP3148599A1

    公开(公告)日:2017-04-05

    申请号:EP15725376.6

    申请日:2015-06-01

    摘要: The present invention relates to a method for preparing a neutralized matrix of non-antigenic collagenous material comprising the steps of: —a) preparing an acidic solution of non-antigenic collagenous material, —b) pouring the solution of a) into a mold in order to form a layer, —c) lyophilizing the layer of b) in order to obtain an acidic matrix of non-antigenic collagenous material, d) sterilizing the acidic matrix obtained in c) with ethylene oxide in order to obtain a neutralized matrix of non-antigenic collagenous material. The invention also relates to the matrices obtained and to surgical implants comprising such matrices.

    摘要翻译: 本发明涉及一种制备非抗原性胶原材料中和基质的方法,包括以下步骤:a)制备非抗原性胶原材料的酸性溶液,b)将a)的溶液倒入模具中 为了形成层,c)冻结b)层以获得非抗原性胶原材料的酸性基质,d)用环氧乙烷对c)中得到的酸性基质进行灭菌,以获得中和的基质 非抗原性胶原材料。 本发明还涉及获得的基质和包含这种基质的外科植入物。

    HAEMOSTATIC PATCH AND METHOD OF PREPARATION
    7.
    发明公开
    HAEMOSTATIC PATCH AND METHOD OF PREPARATION 审中-公开
    黑龙江省维吾尔族自治区

    公开(公告)号:EP2900280A1

    公开(公告)日:2015-08-05

    申请号:EP13766967.7

    申请日:2013-09-25

    摘要: The present invention relates to a haemostatic patch comprising a porous layer based on oxidized cellulose and a neutralized film based on chitosan, said film comprising a free face and a face fixed on one of the faces of the porous layer, and to the method of preparing said patch comprising the following steps: —a°) preparing a porous layer based on oxidized cellulose, —b°) preparing a film based on chitosan starting from an acidic aqueous solution of chitosan, —c°) fixing the film obtained in b°) on one face of the porous layer, —d°) neutralizing the film obtained in b°), —where step c°) can be carried out before or after step d°), characterized in that: the neutralizing step d°) comprises treatment of said film with a neutralizing composition comprising at least ethanol and ammonium hydroxide (NH4OH).

    摘要翻译: 本发明涉及一种止血贴片,其包括基于氧化纤维素的多孔层和基于壳聚糖的中和膜,所述膜包含固定在多孔层的一个表面上的自由面和面,以及制备方法 所述贴片包括以下步骤:-a°)基于氧化纤维素制备多孔层,-b°)从壳聚糖的酸性水溶液制备基于壳聚糖的膜,-c°)将以b°获得的膜定影 )在步骤d°)之前或之后进行,其中步骤c°)可以在步骤d°)之后进行,其特征在于:中和步骤d°) 包括用至少包含乙醇和氢氧化铵(NH 4 OH)的中和组合物处理所述膜。