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    • 1. 发明申请
    • BIOMIMETIC VASCULAR NETWORK AND DEVICES USING THE SAME
    • 生物体血管网络及使用该装置的装置
    • WO2008127732A3
    • 2008-12-24
    • PCT/US2008004872
    • 2008-04-14
    • GEN HOSPITAL CORPHOGANSON DAVID MVACANTI JOSEPH PPRYOR HOWARDSPOOL IRA
    • HOGANSON DAVID MVACANTI JOSEPH PPRYOR HOWARDSPOOL IRA
    • A01N1/00A61F2/06
    • A61F2/06A61F2/022A61F2/04A61F2/062A61F2002/068G01N33/5008
    • The invention provides method of fabricating a scaffold comprising a fluidic network, including the steps of. (a) generating an initial vascular layer for enclosing the chamber and providing fluid to the cells, the initial vascular layer having a network of channels for fluid; (b) translating the initial vascular layer into a model for fluid dynamics analysis; (c) analyzing the initial vascular layer based on desired parameters selected from the group consisting of a charactepstic of a specific fluid, an input pressure, an output pressure, an overall flow rate and combinations thereof to determine sheer stress and velocity withm the network of channels; (d) measuring the sheer stress and the velocity and compapng the obtained values to predetermined values; (e) determining if either of the shear stress or the velocity are greater than or less than the predetermined values, and (f) optionally modifying the initial vascular layer and repeating steps (b) - (e). The invention also provides compositions comprising a vascular layer for use in tissue lamina as well as a medical devices having a vascular layer and kits.
    • 本发明提供制造包括流体网络的支架的方法,包括以下步骤。 (a)产生用于封闭所述腔室并向细胞提供流体的初始血管层,所述初始血管层具有用于流体的通道网络; (b)将初始血管层转化为用于流体动力学分析的模型; (c)基于选自特定流体的特征,输入压力,输出压力,总体流量及其组合的所需参数来分析初始血管层,以确定网络的简单应力和速度 渠道; (d)测量纯粹的应力和速度,并将所获得的值与预定值进行比较; (e)确定剪切应力或速度是否大于或小于预定值,和(f)任选地修饰初始血管层并重复步骤(b) - (e)。 本发明还提供包含用于组织层的血管层的组合物以及具有血管层和试剂盒的医疗装置。
    • 10. 发明申请
    • TISSUE-ENGINEERED ORGANS
    • 组织工程机械
    • WO03076564A2
    • 2003-09-18
    • PCT/US0215813
    • 2002-05-16
    • GEN HOSPITAL CORPGRIKSCHEIT TRACY CVACANTI JOSEPH POGILIVIE JENNIFER
    • GRIKSCHEIT TRACY CVACANTI JOSEPH POGILIVIE JENNIFER
    • A61K35/12A61L27/36C12N5/00C12N5/071C12N5/077C12N
    • A61L27/3683A61K35/12A61L27/3641C12N5/0062C12N5/0648C12N5/0657C12N5/0677C12N5/0679C12N5/0686C12N2533/40
    • The present invention relates to a method for producing a tissue-engineered organ or organ portion or specific section thereof comprising the steps of loading organoid units into a biocompatible polymer scaffold and implanting the polymer scaffold into a subject. Organs produced by this method are also encompassed by the invention. Organoid units can be derived from tissues including, but not limited to, spleen, lung, liver, kidney, pancreas, endocrine tissue, heart, esophagus, colon, stomach, gall bladder and uterus. The resulting engineered tissue can comprise spleen, lung, liver, kidney, pancreas, endocrine, cardiac muscle, esophagus, colon, stomach, gall bladder or uterus. The invention further relates to a tissue-engineered organ or organ portion or specific section thereof comprising compact tissue grown in a biocompatible polymer scaffold, wherein the tissue is derived from spleen, lung, liver, kidney, pancreas, endocrine, heart, esophagus, colon, stomach, gall bladder or uterus.
    • 本发明涉及一种用于生产组织工程化器官或器官部分或其特定部分的方法,其包括以下步骤:将有机体单元装入生物相容性聚合物支架并将聚合物支架植入受试者中。 通过该方法生产的器官也包括在本发明中。 组织单位可以衍生自包括但不限于脾,肺,肝,肾,胰腺,内分泌组织,心脏,食管,结肠,胃,胆囊和子宫的组织。 所得到的工程组织可以包括脾,肺,肝,肾,胰腺,内分泌,心肌,食道,结肠,胃,胆囊或子宫。 本发明还涉及组织工程化的器官或器官部分或其特定部分,其包含在生物相容性聚合物支架中生长的紧密组织,其中所述组织衍生自脾,肺,肝,肾,胰腺,内分泌,心脏,食道,结肠 ,胃,胆囊或子宫。