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    • 9. 发明授权
    • High swell, long-lived hydrogel sealant
    • 高膨胀,长寿命的水凝胶密封剂
    • US08551136B2
    • 2013-10-08
    • US12497732
    • 2009-07-06
    • Helen S. M. Lu
    • Helen S. M. Lu
    • A61B17/03
    • A61L24/043A61L24/0031C08J3/075C08J2300/202C08J2405/00
    • A high swell, long-lived hydrogel sealant formed by reacting a highly oxidized polysaccharide containing aldehyde groups with a multi-arm amine is described. The hydrogel sealant may be particularly suitable for applications requiring high swell and slow degradation, for example, tissue augmentation, both cosmetic and reconstructive; void filling; tissue bulking, for example treatment of urinary incontinence and acid reflux; and embolization. The high swell, long-lived hydrogel sealant may also be useful as a tissue sealant and adhesive, and as an anti-adhesion barrier.
    • 描述了通过使含有醛基的高度氧化的多糖与多臂胺反应形成的高膨胀,长寿命的水凝胶密封剂。 水凝胶密封剂可能特别适用于需要高溶胀和缓慢降解的应用,例如组织增加,包括化妆品和重建; 空隙填充 组织膨胀,例如治疗尿失禁和酸反流; 和栓塞。 高膨胀,长寿命的水凝胶密封剂也可用作组织密封剂和粘合剂,以及作为抗粘连屏障。
    • 10. 发明授权
    • Oxidized cationic polysaccharide-based polymer tissue adhesive for medical use
    • 用于医疗用途的氧化阳离子多糖类聚合物组织粘合剂
    • US08426492B2
    • 2013-04-23
    • US12742457
    • 2008-11-14
    • Helen S. M. Lu
    • Helen S. M. Lu
    • A61K6/097A61K9/00A61K31/715
    • A61L24/0031A61L24/043A61L27/26A61L27/52A61L31/041A61L31/145C08L71/02C08L5/00C08L1/02
    • A tissue adhesive formed by reacting an oxidized cationic polysaccharide containing aldehyde groups and amine groups with a multi-arm amine is described. The oxidized cationic polysaccharide-based polymer tissue adhesive may be useful for medical applications including wound closure, supplementing or replacing sutures or staples in internal surgical procedures such as intestinal anastomosis and vascular anastomosis, ophthalmic procedures, drug delivery, anti-adhesive applications and as a bulking agent to treat urinary incontinence. Additionally, due to the presence of the positively charged amine groups on the oxidized polysaccharide, the polymer tissue adhesive disclosed herein may promote wound healing and blood coagulation, and may possess antimicrobial properties.
    • 描述了通过使包含醛基和胺基的氧化阳离子多糖与多臂胺反应形成的组织粘合剂。 氧化的阳离子多糖类聚合物组织粘合剂可用于医学应用,包括在诸如肠内吻合和血管吻合术的内部手术过程中的伤口闭合,补充或替代缝合线或缝钉,眼科手术,药物递送,抗粘连应用和作为 填充剂治疗尿失禁。 此外,由于在氧化多糖上存在带正电的胺基,本文公开的聚合物组织粘合剂可以促进伤口愈合和凝血,并且可以具有抗微生物性质。