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    • 6. 发明申请
    • METHODS OF MAKING FIBRIN COMPOSITIONS AND ARTICLES
    • 制备纤维蛋白组合物和制品的方法
    • WO2018067532A1
    • 2018-04-12
    • PCT/US2017/054892
    • 2017-10-03
    • 3M INNOVATIVE PROPERTIES COMPANY
    • O'HARE, Jonathan J.PEKUROVSKY, Mikhail L.DETERMAN, Amy S.PITERA, Gino L.BJORK, Jason W.NORTON, Daniel V.ASMUS, Robert A.
    • A61F13/00B32B37/24A61L15/32
    • A method of forming a fibrin hydrogel composition including providing one or more unitary masses of a fibrin hydrogel, dividing at least one of the unitary masses of the fibrin hydrogel into a multiplicity of smaller pieces of the fibrin hydrogel, and recombining at least a portion of the smaller pieces into a cohesive mass. Dividing at least one of the unitary masses of fibrin hydrogel into a multiplicity of smaller pieces may include shearing or cutting the unitary masses to form an aqueous dispersion of the fibrin hydrogel in an aqueous medium. The aqueous dispersion of fibrin hydrogel may be applied to a substrate on a roller or an endless belt, and is optionally overlaid by a scrim. The cohesive mass of fibrin hydrogel, which may be formed by removing at least a portion of the aqueous medium from the aqueous dispersion of the smaller pieces of the fibrin hydrogel, finds uses in wound dressing articles.
    • 一种形成纤维蛋白水凝胶组合物的方法,包括提供一个或多个纤维蛋白水凝胶的单一团块,将纤维蛋白水凝胶的单一团块中的至少一个分成多个纤维蛋白水凝胶的较小片段 并且将至少一部分小块重新组合成粘性物质。 将至少一个单一纤维蛋白水凝胶块分成多个小块可包括剪切或切割整体块以形成纤维蛋白水凝胶在水性介质中的水分散体。 纤维蛋白水凝胶的水分散体可以施加到辊或环形带上的基底上,并且任选地被稀松布覆盖。 可以通过从纤维蛋白水凝胶的较小部分的水分散体中除去至少一部分水性介质而形成的纤维蛋白水凝胶的粘着块可用于伤口敷料制品。
    • 8. 发明申请
    • FIBRIN COMPOSITION, METHOD AND WOUND ARTICLES
    • FIBRIN组合物,方法和创新文章
    • WO2016160541A1
    • 2016-10-06
    • PCT/US2016/024141
    • 2016-03-25
    • 3M INNOVATIVE PROPERTIES COMPANY
    • BJORK, Jason W.YOUNG, Alexi J.BEEN, Raha A.NINKOVIC, JanaBAKER, Bryan A.
    • A61L24/10
    • A61L26/008A61F13/0259A61F2013/00089A61F2013/00655A61F2013/00676A61F2013/00706A61L24/106A61L26/0042A61L26/0071
    • A method of forming a fibrin hydrogel composition is described. The method comprises forming an aqueous solution comprising fibrinogen, fibrin-forming enzyme, and a fibrin hydrogel forming salt. The fibrin hydrogel forming salt concentration is greater than or equal to the threshold concentration to form a fibrin hydrogel. The method further comprises reducing the salt concentration below the threshold concentration to form a fibrin hydrogel. In some embodiments, the aqueous solution further comprises a plasticizer. A fibrin composition is also described comprising a fibrin hydrogel having a fibrin concentration ranging from 0.1 to 10 wt-%; and a fibrin hydrogel forming salt. The fibrin hydrogel forming salt has a concentration less than a threshold concentration to form the fibrin hydrogel. The fibrin hydrogel or dehydrated fibrin hydrogel can be in various physical forms such a sheet, foam, or plurality of pieces. Also described are methods of forming a fibrin article, wound dressings and a method of treatment of a wound.
    • 描述了形成纤维蛋白水凝胶组合物的方法。 该方法包括形成包含纤维蛋白原,纤维蛋白形成酶和纤维蛋白水凝胶形成盐的水溶液。 纤维蛋白水凝胶形成盐浓度大于或等于阈值浓度以形成纤维蛋白水凝胶。 该方法还包括将盐浓度降低到阈值浓度以下以形成纤维蛋白水凝胶。 在一些实施方案中,水溶液还包含增塑剂。 还描述了纤维蛋白组合物,其包含纤维蛋白浓度范围为0.1至10重量%的纤维蛋白水凝胶; 和纤维蛋白水凝胶形成盐。 纤维蛋白水凝胶形成盐的浓度小于阈值浓度以形成纤维蛋白水凝胶。 纤维蛋白水凝胶或脱水纤维蛋白水凝胶可以是各种物理形式,例如片,泡沫或多个片。 还描述了形成纤维蛋白制品,伤口敷料和伤口治疗方法的方法。