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    • 1. 发明授权
    • Biomimetic vascular network and devices using the same
    • 生物模拟血管网和使用该装置的装置
    • US08951302B2
    • 2015-02-10
    • US12576826
    • 2009-10-09
    • Howard I. PryorIra SpoolDavid M. HogansonJoseph P. VacantiJeffrey T. Borenstein
    • Howard I. PryorIra SpoolDavid M. HogansonJoseph P. VacantiJeffrey T. Borenstein
    • A61F2/04A61F2/06G01N33/50
    • A61F2/06A61F2/022A61F2/04A61F2/062A61F2002/068G01N33/5008G06F19/00
    • 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 characteristic of a specific fluid, an input pressure, an output pressure, an overall flow rate and combinations thereof to determine sheer stress and velocity within the network of channels; (d) measuring the sheer stress and the velocity and comparing 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.
    • 本发明提供了制造包括流体网络的支架的方法,包括以下步骤:(a)产生用于封闭腔室并向细胞提供流体的初始血管层,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)基于从由特定流体的特性,输入压力,输出压力,总体流速及其组合组成的组中选择的期望参数来分析初始血管层,以确定网络内的纯粹的应力和速度 渠道; (d)测量纯应力和速度,并将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。
    • 2. 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
    • US20150366651A1
    • 2015-12-24
    • US14615646
    • 2015-02-06
    • David M. HogansonHoward I. PryorIra SpoolJoseph P. VacantiJeffrey T. Borenstein
    • David M. HogansonHoward I. PryorIra SpoolJoseph P. VacantiJeffrey T. Borenstein
    • A61F2/06A61F2/02
    • 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 characteristic of a specific fluid, an input pressure, an output pressure, an overall flow rate and combinations thereof to determine sheer stress and velocity within the network of channels; (d) measuring the sheer stress and the velocity and comparing 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.
    • 本发明提供了制造包括流体网络的支架的方法,包括以下步骤:(a)产生用于封闭腔室并向细胞提供流体的初始血管层,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)基于从由特定流体的特性,输入压力,输出压力,总体流速及其组合组成的组中选择的期望参数来分析初始血管层,以确定网络内的纯粹的应力和速度 渠道; (d)测量纯应力和速度,并将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。
    • 3. 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
    • US20100234678A1
    • 2010-09-16
    • US12576826
    • 2009-10-09
    • Howard I. PryorIra SpoolDavid M. HogansonJoseph P. VacantiJeffrey T. Borenstein
    • Howard I. PryorIra SpoolDavid M. HogansonJoseph P. VacantiJeffrey T. Borenstein
    • A61F2/06C12N5/02
    • A61F2/06A61F2/022A61F2/04A61F2/062A61F2002/068G01N33/5008G06F19/00
    • 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 characteristic of a specific fluid, an input pressure, an output pressure, an overall flow rate and combinations thereof to determine sheer stress and velocity within the network of channels; (d) measuring the sheer stress and the velocity and comparing 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.
    • 本发明提供了制造包括流体网络的支架的方法,包括以下步骤:(a)产生用于封闭腔室并向细胞提供流体的初始血管层,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)基于从由特定流体的特性,输入压力,输出压力,总体流速及其组合组成的组中选择的期望参数来分析初始血管层,以确定网络内的纯粹的应力和速度 渠道; (d)测量纯应力和速度,并将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。
    • 9. 发明申请
    • NEUROSTIMULATION ELECTRODE ARRAY AND METHOD OF MANUFACTURE
    • 神经网络电极阵列及其制造方法
    • US20100318167A1
    • 2010-12-16
    • US12762540
    • 2010-04-19
    • Brian M. ConnJames R. EasterFarid MoumaneMichel BruhwilerIra SpoolMelissa Rosen
    • Brian M. ConnJames R. EasterFarid MoumaneMichel BruhwilerIra SpoolMelissa Rosen
    • A61N1/05
    • A61N1/0541A61N1/0529Y10T29/49208
    • An implantable neurostimulation electrode array may include a flexible, electrically non-conductive carrier, and a plurality of electrodes supportably interconnected to and spaced along a length of a carrier. In various embodiments, different ones of at least some of the plurality of electrodes may comprise corresponding contact surfaces having different areas. The different surface areas may be achieved by defining a different area per unit length of the carrier and/or by defining a different total length (e.g. as measured along a length of the carrier). In some embodiments, insulator portions having different corresponding lengths may be disposed between different adjacent ones of the electrodes. The insulated portions may be integrally defined with the carrier. Electrical connection lines may be embedded within the carrier. In a manufacturing method, a plurality of electrodes may be supportably interconnected to a first side of a sacrificial substrate and a carrier may be interconnected to the electrodes. In turn, at least a portion of the substrate may be removed from the electrodes to yield at least a partially completed electrode array. The substrate may be configured into a predetermined configuration wherein the carrier material may be formed within an internal volume thereof to define at least a portion of the configuration of the carrier of the electrode array.
    • 可植入神经刺激电极阵列可以包括柔性的非导电载体,以及多个电极,其可被支撑地互连到载体的长度上并沿其间隔开。 在各种实施例中,多个电极中的至少一些电极中的不同的电极可以包括具有不同区域的对应的接触表面。 可以通过限定载体的每单位长度的不同面积和/或通过限定不同的总长度(例如沿着载体的长度测量)来实现不同的表面积。 在一些实施例中,具有不同对应长度的绝缘体部分可以设置在不同的相邻电极之间。 绝缘部分可以与载体一体地限定。 电连接线可以嵌入在载体内。 在制造方法中,多个电极可以可支撑地互连到牺牲衬底的第一侧,并且载体可以互连到电极。 反过来,衬底的至少一部分可以从电极去除以产生至少部分完成的电极阵列。 衬底可以被配置成预定的构造,其中载体材料可以形成在其内部体积内以限定电极阵列的载体的构造的至少一部分。