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    • 1. 发明授权
    • PVA and silica particle blood vessel model
    • PVA和二氧化硅颗粒血管模型
    • US08758797B2
    • 2014-06-24
    • US13392177
    • 2010-09-09
    • Yoshio Okano
    • Yoshio Okano
    • A61F2/02G09B23/28
    • G09B23/303A61F2/06A61K9/0024G09B23/285
    • A blood vessel model which imitates a human blood vessel including an aqueous gel made from polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, and silica particles; and a method for producing a blood vessel model which imitates a human blood vessel, including filling a mixed solution containing polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, silica particles and water in a mold for forming a blood vessel model, and freezing the mixture at a temperature of −10° C. or lower, followed by thawing. The blood vessel model can be suitably used as a blood vessel model for practicing insertion of a stent graft into an aneurysm, a blood vessel model for practicing resection or ligation surgery of a blood vessel, and the like.
    • 一种模拟人体血管的血管模型,包括平均聚合度为300〜3500,皂化度为90摩尔%以上的聚乙烯醇制成的水性凝胶和二氧化硅粒子; 以及制造模拟人血管的血管模型的方法,包括将含有平均聚合度为300〜3500,皂化度为90摩尔%以上的聚乙烯醇的混合液填充到二氧化硅粒子和水中 用于形成血管模型的模具,并将混合物在-10℃或更低的温度下冷冻,然后解冻。 血管模型可以适合用作用于将支架移植物插入动脉瘤的血管模型,用于实践血管切除或结扎手术的血管模型等。
    • 5. 发明申请
    • ORGAN MODEL
    • 有机模型
    • US20120045743A1
    • 2012-02-23
    • US13266622
    • 2010-04-27
    • Yoshio OkanoHiroshige Sasaki
    • Yoshio OkanoHiroshige Sasaki
    • G09B23/28C08K3/36B32B27/06B05D7/02B05D3/00B29C33/40C08L29/04B05D5/00
    • A material for forming an organ model containing an aqueous gel, which comprises polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole, and silica particles; a method for producing a material for forming an organ model, comprising cooling an aqueous polyvinyl alcohol solution which contains polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole and silica particles, to a temperature of −10° C. or lower, and thawing the resulting formed aqueous gel; and an organ model at least provided with a surface layer comprising the material for forming an organ model. Thus, it is possible to provide: an organ model which has a hydrophilic property similar to an organ of a human body, gives such an incision feel that an incised portion spreads just similar to a living human organ and, therefore can be appropriately used in, for example, exercising surgical procedures; a material for forming an organ model appropriately usable for the organ model; and a method for producing the same.
    • 用于形成含有水凝胶的器官模型的材料,其包含平均聚合度为300〜3500,皂化度为90摩尔%以上的聚乙烯醇和二氧化硅粒子; 一种用于形成器官模型的材料的制造方法,其特征在于,将平均聚合度为300〜3500,皂化度为90摩尔%以上的聚乙烯醇水溶液和二氧化硅粒子进行冷却, 至-10℃或更低的温度,并解冻所形成的水凝胶; 以及至少设置有包括用于形成器官模型的材料的表面层的器官模型。 因此,可以提供:具有与人体器官相似的亲水性的器官模型,使切口感觉到切口部分类似于活的人体器官扩散,因此可以适当地用于 例如,执行外科手术; 用于形成适用于器官模型的器官模型的材料; 及其制造方法。