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    • 3. 发明申请
    • DEVICES AND METHODS FOR APPLYING A MIXTURE OF TWO OR MORE LIQUID COMPONENTS TO FORM A BIOMATERIAL
    • 用于将两种或更多液体组分的混合物用于形成生物体的装置和方法
    • WO1998020931A1
    • 1998-05-22
    • PCT/US1997020653
    • 1997-11-14
    • BRISTOL-MYERS SQUIBB COMPANY
    • BRISTOL-MYERS SQUIBB COMPANYHOLM, Niels, ErikLINNEBJERG, StevenCORNWELL, Richard
    • A61M31/00
    • A61B17/00491A61B2017/00495A61M35/00B05B7/08B05B7/0876
    • Novel methods and devices which provide enhanced mixing, and application of two liquid components to form a biomaterial with minimized aerosols, are achieved using airflow rates below about 1.25 liters/minute in combination with a ratio of airflow to total liquid flow of from about 150:1 up to about 1500:1. Preferably the airflow is below about 1 liter/minute, and the ratio of airflow to total liquid flow is from about 200:1 to about 1200:1. The parameters are ideally suited for the spray application of components which form a surgical sealant, e.g., a fibrin sealant. Also a part of the present invention is novel application methods for biomaterial, e.g., surgical sealant, components at liquid flows below 1.9 ml/minute, novel methods involving the mixing of such components on the exit surface of a spray tip (14), or nozzle, novel spray tips (14), biomaterial applicators, and methods for making such applicators.
    • 使用低于约1.25升/分钟的气流速率结合两个液体组分以形成具有最小气溶胶的生物材料的新方法和装置,结合气流与总液体流量的比例为约150:1, 1到1500:1。 优选地,气流低于约1升/分钟,并且气流与总液体流量的比率为约200:1至约1200:1。 这些参数非常适用于喷雾施用形成外科密封剂的组分,例如纤维蛋白封闭剂。 本发明的另一部分是用于生物材料的新型应用方法,例如手术密封剂,液体流速低于1.9ml /分钟的组分,涉及在喷嘴(14)的出口表面上混合这些组分的新方法,或 喷嘴,新型喷嘴(14),生物材料施加器以及制造这种涂敷器的方法。