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    • 96. 发明申请
    • Controlled viscosity tissue adhesive
    • 受控粘度组织粘合剂
    • US20050245966A1
    • 2005-11-03
    • US10968464
    • 2004-10-19
    • Julius HammerslagJames Quinn
    • Julius HammerslagJames Quinn
    • A61L15/16A61L24/00A61L24/06
    • A61L24/001A61L24/06C08L35/04
    • Disclosed are methods and compositions for closing and sealing a wound, laceration, incision, or other percutaneous opening using an adhesive. In one preferred embodiment, the sides of the percutaneous opening are brought together in apposition and the adhesive is applied topically over the apposed opening and the skin adjacent thereto. Adhesives used in the methods of the preferred embodiments exhibit sufficient viscosity to substantially prevent flow of the adhesive into the percutaneous opening. Adhesives may also be used in surgical applications, as a covering for a trauma to the outer surface of the skin, or as a secondary means of closure in combination with other means of closure, including staples and sutures. In a preferred embodiment, the adhesive is a adhesive comprising cyanoacrylate monomer, cyanoacrylate polymer, and a plasticizer.
    • 公开了用于使用粘合剂封闭和密封伤口,裂伤,切口或其它经皮开口的方法和组合物。 在一个优选实施例中,将经皮开口的两侧并排放置在一起,并将粘合剂局部地施加在安置的开口和与其相邻的皮肤上。 在优选实施方案中使用的粘合剂表现出足够的粘度以基本上防止粘合剂流入经皮开口。 粘合剂也可以用于外科应用中,作为用于皮肤外表面的创伤的覆盖物,或作为与其他封闭装置(包括缝钉和缝合线)相结合的次级封闭装置。 在优选的实施方案中,粘合剂是包含氰基丙烯酸酯单体,氰基丙烯酸酯聚合物和增塑剂的粘合剂。
    • 99. 发明授权
    • Light energized tissue adhesive
    • 光通电组织粘合剂
    • US06875427B1
    • 2005-04-05
    • US09973332
    • 2001-10-09
    • Dale P. DeVoreBraden P. DeVoreBarbara A. SoltzRobert SoltzMichael A. Soltz
    • Dale P. DeVoreBraden P. DeVoreBarbara A. SoltzRobert SoltzMichael A. Soltz
    • A61K38/00A61K38/39A61L24/00A61L24/10A61L31/04A61L31/14
    • A61L31/044A61K38/39A61L24/001A61L24/102A61L31/14
    • Consistent with the present invention, tissue adhesive compositions and an associated laser exposure system are provided for bonding or sealing biological tissues. The compositions are comprised of chemically derivatized soluble collagen which is formulated to concentrations ranging from 300 mg/ml (30%) to 800 mg/ml (80%) collagen protein. In particular, Type I collagen, for example, is first prepared by extraction from bovine or porcine hide and purified. The collagen preparations are then chemically derivatized with sulfhydryl reagents to improve cohesive strength and with secondary derivatizing agents, such as carboxyl groups, to improve the adhesive strength of the solder to the tissue. The compositions are then formed into viscous solutions, gels or solid films, which when exposed to energy generated from an infrared laser, for example, undergo thermally induced phase transitions. Solid or semi-solid protein compositions become less viscous enabling the high concentration protein to penetrate the interstices of treated biological tissue or to fill voids in tissue. As thermal energy is released into the surrounding environment, the protein compositions again become solid or semi-solid, adhering to the treated tissue or tissue space.
    • 根据本发明,提供组织粘合剂组合物和相关联的激光曝光系统用于粘合或密封生物组织。 组合物由化学衍生的可溶性胶原组成,其被配制成浓度范围为300mg / ml(30%)至800mg / ml(80%))的胶原蛋白。 特别地,例如,I型胶原首先通过从牛或猪皮提取而纯化而制备。 然后将胶原蛋白制剂用巯基试剂进行化学衍生化,以提高内聚强度,并与二级衍生剂(如羧基)一起提高焊料对组织的粘合强度。 然后将组合物形成粘稠溶液,凝胶或固体膜,当暴露于由红外激光产生的能量时,例如经历热诱导相变。 固体或半固体蛋白质组合物变得粘稠,使得高浓度蛋白质能够渗透经处理的生物组织的间隙或填充组织中的空隙。 随着热能释放到周围环境中,蛋白质组合物再次变得固体或半固体,粘附到处理过的组织或组织空间。