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    • 62. 发明申请
    • METHODS FOR PREPARING TISSUE IMPLANTS
    • 用于制备组织植入物的方法
    • WO2014149953A1
    • 2014-09-25
    • PCT/US2014/021625
    • 2014-03-07
    • CRYOLIFE, INC.
    • HAMBY, JosephGOLDSTEIN, StevenROHDE, Valerie
    • A61L27/36
    • A61K35/12A61L27/362A61L27/3687A61L2430/40
    • A method is provided for preparing a biological tissue for implantation. The method includes providing a biological tissue from a human or animal donor, treating the biological tissue with an antiviral treatment formulation, lysing the biological tissue, decellularizing the biological tissue with a decellularization treatment formulation, and decontaminating the biological tissue with an alkaline alcohol solution. The antiviral treatment formulation may include a solution of peracetic acid and an alcohol, wherein the peracetic acid is present in the antiviral treatment formulation at a concentration from about 0.03% to about 1.2% (v/v). The decellularization solution may include a solution of a polar aprotic solvent, such as dimethyl sulfoxide, benzyl alcohol and ethanol.
    • 提供了一种用于制备用于植入的生物组织的方法。 该方法包括从人或动物供体提供生物组织,用抗病毒处理制剂处理生物组织,裂解生物组织,用脱细胞处理制剂脱细胞化生物组织,并用碱性醇溶液去除生物组织。 抗病毒治疗制剂可以包括过乙酸和醇的溶液,其中过氧乙酸以约0.03%至约1.2%(v / v)的浓度存在于抗病毒治疗制剂中。 脱细胞溶液可以包括极性非质子溶剂如二甲基亚砜,苄醇和乙醇的溶液。
    • 66. 发明申请
    • DECELLULARIZED BIOMATERIAL FORM NON-MAMMALIAN TISSUE
    • 细菌生物体形式非马姆利亚组织
    • WO2014110269A1
    • 2014-07-17
    • PCT/US2014/010890
    • 2014-01-09
    • EARLY, Ryanne
    • EARLY, Ryanne
    • A61K35/56A61K9/10A61K9/14A61F2/00A61L27/36
    • A61L27/3687A61K9/70A61K35/12A61K35/65A61K38/1703A61L27/3604A61L27/362A61L27/3625A61L27/3633A61L27/3691A61L27/38A61L27/52A61L27/54A61L27/58A61L27/60A61L2300/252A61L2300/412A61L2300/604A61L2300/606A61L2300/64A61L2430/34A61L2430/40C12N5/0625C12N2533/90C12N2533/92
    • The growth factor profile, connective tissue matrix constituents, and immunoprivileged status of urodele extracellular matrix (ECM) and accompanying cutaneous tissue, plus the presence of antimicrobial peptides there, render urodele-derived tissue an ideal source for biological scaffolds for xenotransplantation. In particular, a biological scaffold biomaterial can be obtained by a process that entails (A) obtaining a tissue sample from a urodele, where the tissue comprises ECM, inclusive of the basement membrane, and (B) subjecting the tissue sample to a decellularization process that maintains the structural and functional integrity of the extracellular matrix, by virtue of retaining its fibrous and non-fibrous proteins, glycoaminoglycans (GAGs) and proteoglycans, while removing sufficient cellular components of the sample to reduce or eliminate antigenicity and immunogenicity for xenograft purposes. The resultant urodele-derived biomaterial can be used to enhance restoration of skin homeostasis, to reduce the severity, duration and associated damage caused by post-surgical inflammation, and to promote progression of natural healing and regeneration processes. In addition, the biomaterial promotes the formation of remodeled tissue that is comparable in quality, function, and compliance to undamaged human tissue.
    • Urodele细胞外基质(ECM)和伴随皮肤组织的生长因子分布,结缔组织基质成分和免疫缺陷状态加上抗微生物肽的存在使得urodele衍生组织成为用于异种移植的生物支架的理想来源。 特别地,生物支架生物材料可以通过以下方法获得:(A)从尿布获得组织样品,其中组织包括ECM,包括基底膜,和(B)使组织样品经脱细胞化过程 通过保留其纤维和非纤维蛋白,糖胺聚糖(GAG)和蛋白多糖来维持细胞外基质的结构和功能完整性,同时去除样品的足够的细胞组分以减少或消除异种移植物目的的抗原性和免疫原性。 所得到的urodele衍生的生物材料可用于增强皮肤稳态的恢复,以减少手术后炎症引起的严重程度,持续时间和相关的损伤,并促进自然愈合和再生过程的进展。 此外,生物材料促进了改性组织的形成,其质量,功能和对未损伤的人体组织的依从性。