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    • 11. 发明专利
    • 組織工学用支持体
    • 支持组织工程
    • JP2015057964A
    • 2015-03-30
    • JP2013192604
    • 2013-09-18
    • 株式会社ジーシーGc Corp
    • YAMANAKA KATSUYUKIYAMAMOTO KATSUSHISAKAI YUUDAISHIGEMITSU YUSUKEKANEKO TADASHI
    • C12M3/00A61L27/00C12M1/00
    • 【課題】多孔質構造を有するブロック状組織工学用支持体から構成され、分割せず用いることも、必要に応じて適当な大きさに容易に分割して用いることも可能な組織工学用支持体を提供することを課題とする。【解決手段】生体吸収性高分子材料から成り多孔質構造を有する複数のブロック状組織工学用支持体同士が部分的に接着されて一体化されたことを特徴とする組織工学用支持体1とする。前記複数のブロック状組織工学支持体1a同士は、それぞれの面1bで接触し、その接触面の外周及び/または内部の複数箇所が接着されて一体化されることが好ましい。【選択図】図1
    • 要解决的问题:提供组织工程的支撑,其由用于具有多孔结构的组织工程的块状支撑件组成,并且可以在不分开或任选地分成适当尺寸的情况下被使用。解决方案:用于组织工程的支撑件1 通过部分地彼此粘合两个或更多个用于由生物可吸收的聚合物材料组成的组织工程的块状支撑体并具有多孔结构。 优选地,用于组织工程的两个或更多个块状形状的支撑件1a在每个表面1b上彼此接触,并且外围和/或内部接触表面上的两个或更多点被结合。
    • 13. 发明专利
    • Cultured cartilage tissue material
    • 培养的牙科组织材料
    • JP2013208211A
    • 2013-10-10
    • JP2012079623
    • 2012-03-30
    • Gc Corp株式会社ジーシー
    • YAMANAKA KATSUYUKISAKAI YUUDAIYAMAMOTO KATSUSHISHIGEMITSU YUSUKE
    • A61L27/00
    • A61K35/32A61L27/18A61L27/3817A61L27/58A61L2430/06C12N5/0655C12N5/0663C12N5/0668C12N2506/1353C12N2506/1392C12N2533/40C08L67/04
    • PROBLEM TO BE SOLVED: To provide a cultured cartilage tissue material which enables formation of cartilage tissue being substantially the same as the cartilage tissue actually in the living body, and which is large in volume.SOLUTION: A cultured cartilage tissue material to be used for cartilage regeneration comprising chondrocytes, wherein the cultured cartilage tissue material is a mixed body of the chondrocytes in a concentration of 1×10to 1×10cells/cm, and a bioabsorbable polymer; a thickness of the thinnest part of the cultured cartilage tissue material is 2.2 to 100 mm; a volume ratio between the chondrocytes and the bioabsorbable polymer is 7:3 to 9.5:0.5; a production amount of glycosaminoglycan is 0.001 to 0.2 ng per unit cell; a content ratio between type I collagen and type II collagen is 10:90 to 1:99; and a content of type II collagen is 0.01 to 0.65 mg per 1 mg of dry weight of tissue.
    • 要解决的问题:提供一种培养的软骨组织材料,其能够形成与实际上在生物体中的软骨组织基本相同的软骨组织,并且体积大。解决方案:一种培养的软骨组织材料,用于 包括软骨细胞的软骨再生,其中培养的软骨组织材料是浓度为1×10至1×10cells / cm 2的软骨细胞的混合体和生物可吸收聚合物; 培养的软骨组织材料的最薄部分的厚度为2.2〜100mm; 软骨细胞和生物可吸收聚合物之间的体积比为7:3至9.5:0.5; 糖胺聚糖的生产量为每单位细胞0.001〜0.2ng; I型胶原蛋白和II型胶原蛋白的含量比为10:90〜1:99; II型胶原蛋白的含量为每1mg干重组织为0.01〜0.65mg。
    • 14. 发明专利
    • Production method for tissue regeneration material and tissue regeneration material
    • 组织再生材料和组织再生材料的生​​产方法
    • JP2013123429A
    • 2013-06-24
    • JP2011275555
    • 2011-12-16
    • Gc Corp株式会社ジーシー
    • YAMANAKA KATSUYUKIYAMAMOTO KATSUSHISAKAI YUUDAISHIGEMITSU YUSUKE
    • C12M3/00
    • A61L27/56C12M23/04C12M25/14C12N5/0068C12N2533/40
    • PROBLEM TO BE SOLVED: To provide a production method for a tissue regeneration material whereby a cell suspension can be seeded stably without being wasted and cultured on a porous support (porous body) having relatively large pores, i.e. pores that make it difficult to keep the cell suspension inside the support.SOLUTION: The method comprises: contacting the bottom surface of a porous body (11) to the surface of a holding plate (1) which is a resin plate or glass plate having a contact angle to water of 15-90°, wherein the porous body is formed of a bioabsorbable polymer material having a thickness of 2-100 mm, an interconnected porous structure with a pore diameter of 180-3,500 μm and an average pore diameter of 350-2,000 μm, a porosity of 60-95%, and a compressive strength of 0.05-1 MPa, and being filled with a cell suspension (12) having a cell density of 5×10-1×10cell/ml; and thereafter arranging the holding plate to be on the porous body when seen from the gravity direction, and keeping the porous body still in the air in a state that the weight of the holding plate is not applied to the porous body, so as to thereby seed cells on the porous body.
    • 要解决的问题:提供一种组织再生材料的制造方法,其中细胞悬浮液可以稳定地接种,而不会浪费并培养在具有较大孔隙的多孔支撑体(多孔体)上,即使其困难的孔 以将细胞悬浮液保持在支撑体内。 解决方案:该方法包括:使多孔体(11)的底面与作为与水接触角为15-90°的树脂板或玻璃板的保持板(1)的表面接触, 其中所述多孔体由厚度为2-100mm的生物可吸收聚合物材料形成,孔径为180-3500μm,平均孔径为350-2,000μm的互连多孔结构,孔隙率为60-95 %,抗压强度为0.05〜1MPa,填充有细胞密度为5×10 -6 SP×6×10 SP SP的细胞悬浮液(12) =“POST”> 8 细胞/ ml; 然后将该保持板从重力方向看时设置在多孔体上,并且在保持板的重量不施加到多孔体的状态下将多孔体保持在空气中,从而由此 种子细胞在多孔体上。 版权所有(C)2013,JPO&INPIT
    • 15. 发明专利
    • Sheet-like bone prosthetic material and method for manufacturing the same
    • 类似骨的骨质疏松材料及其制造方法
    • JP2011212256A
    • 2011-10-27
    • JP2010083762
    • 2010-03-31
    • Gc Corp株式会社ジーシー
    • YAMAMOTO KATSUSHISUDA YOKOYAMANAKA KATSUYUKISAKAI YUUDAIYAMAMOTO JUNPEI
    • A61L27/00
    • PROBLEM TO BE SOLVED: To provide a sheet-like bone prosthetic material high in osteoinductivity in a living body, having moderate strength and elongation and excelling in operability in filling.SOLUTION: The sheet-like bone prosthetic material holds a granular calcium phosphate compound with an average grain size of 100-3,000 μm to the surface of a sheet-like biodegradable polymer with a thickness of 0.02-3 mm without communication small holes with a hole diameter of 5-50 μm. A method for manufacturing the sheet-like bone prosthetic material includes scattering the granular calcium phosphate compound with the average grain size of 100-3,000 μm on the surface of the sheet-like biodegradable polymer in a process for manufacturing the sheet-like biodegradable polymer by drying a solution in which a biodegradable polymer is dissolved, without freezing the solution.
    • 要解决的问题:提供一种在生物体中具有高度的骨诱导性的片状骨修复材料,具有适度的强度和伸长率,并且在充填操作性方面优异。解决方案:片状骨修复材料保持颗粒状磷酸钙化合物与 平均粒径为100-3,000μm的片状可生物降解聚合物的表面,厚度为0.02-3mm,没有孔直径为5-50μm的连通小孔。 片状骨修复材料的制造方法包括在片状可生物降解性聚合物的表面上将片状可生物降解性聚合物的平均粒径为100〜3000μm的粒状磷酸钙化合物散布在片状可生物降解性聚合物的制造方法中 干燥溶解有可生物降解的聚合物的溶液,而不使溶液冷冻。
    • 16. 发明专利
    • Method for culturing mesenchymal stem cell
    • 培养细胞干细胞的方法
    • JP2011067175A
    • 2011-04-07
    • JP2009222981
    • 2009-09-28
    • Gc CorpTwo Cells Co Ltd株式会社ジーシー株式会社ツーセル
    • SAKAI YUUDAIYAMANAKA KATSUYUKITAKEDA MIKAOKURA TOMOHISATSUJI KOICHIRO
    • C12N5/07
    • C12N5/0663C12N2500/50
    • PROBLEM TO BE SOLVED: To provide a method for culturing mesenchymal stem cells, which efficiently selects and proliferates mesenchymal stem cells without requiring a separator of exclusive use and complicated separation operation. SOLUTION: One or more of bone marrow liquid, cord blood, peripheral blood, synovial membrane and amnion are seeded in a liquid medium that is filled in a container and comprises water having a specific gravity of 1.06-1.10 g/mL at 37°C as a main component and a culture is carried out on the ceiling surface of the container at 37±2°C to culture the mesenchymal stem cells. Preferably the specific gravity of the liquid medium is adjusted by using at least one selected from silica fine powder coated with a polyvinylpyrrolidone, a water-soluble copolymer of sucrose and epichlorohydrin and a water-soluble compound containing a triiodo aromatic ring. COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供一种培养间充质干细胞的方法,其能够有效地选择和增殖间充质干细胞,而不需要专用分离器和复杂的分离操作。 解决方案:将一种或多种骨髓液,脐带血,外周血,滑膜和羊膜接种在装在容器中的液体培养基中,并包含比重为1.06-1.10g / mL的水 37℃作为主要成分,并在37±2℃的容器的顶棚表面进行培养,以培养间充质干细胞。 优选地,通过使用选自涂覆有聚乙烯吡咯烷酮的二氧化硅细粉末,蔗糖和表氯醇的水溶性共聚物和含有三碘芳环的水溶性化合物中的至少一种来调节液体介质的比重。 版权所有(C)2011,JPO&INPIT
    • 17. 发明专利
    • Bone tissue regeneration sheet and production method thereof
    • 骨组织再生片及其生产方法
    • JP2009240766A
    • 2009-10-22
    • JP2009048890
    • 2009-03-03
    • Gc Corp株式会社ジーシー
    • YAMANAKA KATSUYUKIYAMAMOTO KATSUSHISUDA YOKOSAKAI YUUDAIKANEKO TADASHI
    • A61L27/00
    • C12N5/0655A61L27/18A61L27/3817A61L27/3821A61L27/3834A61L27/3847A61L27/3895A61L27/58A61L2430/02C12N2500/84C12N2506/1353C12N2533/40
    • PROBLEM TO BE SOLVED: To provide a bone tissue regeneration sheet having a cortical bone tissue layer of 200 μm or more in thickness.
      SOLUTION: This bone tissue regeneration sheet is produced by seeding chondroblast or stem cells for differentiating to chondrocyte on one side of a sheet-like porous body composed of bioabsorbable synthetic polymer, taking the seeded porous body into a culture medium, applying acceleration of 100 to 1000 G to the culture medium for a predetermined time so as to aggregate the chondroblast or the stem cells for differentiating to chondrocyte, culturing the aggregated cells in a culture medium not containing serum but containing one or two or more kinds selected from ascorbic acid, an ascorbic acid derivative, and dexamethasone without applying acceleration to form a chondrocyte layer having a thickness of 200 μm or more, and culturing the chondrocyte layer in a culture medium containing serum and endochondrally ossifying it to form the cortical bone tissue layer of 200 μm in thickness.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供具有厚度为200μm以上的皮质骨组织层的骨组织再生片。 解决方案:通过将成软骨细胞或干细胞接种到由生物可吸收的合成聚合物组成的片状多孔体的一侧上,将软骨细胞或干细胞分化成软骨细胞,将接种的多孔体置于培养基中,施加加速度 将100〜1000G的培养基保持在规定时间,使成软骨细胞或干细胞聚集成软骨细胞,将培养的细胞培养在不含血清但含有选自抗坏血酸中的一种或两种以上的血清 酸,抗坏血酸衍生物和地塞米松,而不加速地形成厚度为200μm以上的软骨细胞层,并且在含有血清的培养基中培养软骨细胞层并进行骨内骨化以形成200皮质骨组织层 厚度。 版权所有(C)2010,JPO&INPIT