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    • 1. 发明申请
    • DEVICE AND METHOD FOR SINGLE-USED MATRIX SAMPLING
    • 用于单用矩阵采样的装置和方法
    • US20130071872A1
    • 2013-03-21
    • US13617414
    • 2012-09-14
    • Lewis HOKaren ChenKing-Ming Chang
    • Lewis HOKaren ChenKing-Ming Chang
    • G01N1/14C12Q1/02
    • C12M33/04A61L2/07
    • A single-used matrix sampling device for the single-used, disposable or autoclavble packed-bed bioreactor is provided herein. The present invention includes a tube means and a matrix collecting means. The matrix collecting means configured for collecting the cell culture matrix includes a receptacle and a pulling means connected to the receptacle or the matrix collecting means could be scoop-like in configuration; the tube means is configured for preventing the matrix collecting means from being contaminated while mechanically or pneumatically sampling; and the tube means could be sealed to enclose the sampled matrix collecting means after sampling. A single-used matrix sampling method for a single-used, disposable or autoclavble packed-bed bioreactor is also provided. The present invention could be utilized to aseptically collect the cell culture matrix from the packed-bed bioreactor without requiring to face the risks of contamination.
    • 本文提供了一次性,一次性或高压灭菌填充床生物反应器的单次使用的矩阵取样装置。 本发明包括管装置和矩阵收集装置。 配置用于收集细胞培养基质的基质收集装置包括容器和连接到容器的牵引装置或矩阵收集装置,其构型可以是勺状的; 管装置构造成用于在机械或气动取样时防止基质收集装置被污染; 并且管装置可以被密封以在采样之后包围采样的矩阵收集装置。 还提供了一次性,一次性或高压灭菌填充床生物反应器的单次使用的矩阵取样方法。 本发明可用于从填充床生物反应器中无菌收集细胞培养基质,而不需要面对污染的风险。
    • 2. 发明申请
    • SCALABLE PACKED-BED CELL CULTURE DEVICE
    • 可扩展的包装细胞培养装置
    • US20100267142A1
    • 2010-10-21
    • US12761810
    • 2010-04-16
    • Gary WangKing-Ming ChangLewis Ho
    • Gary WangKing-Ming ChangLewis Ho
    • C12N5/071C12M1/36C12N1/20
    • C12M41/44C12M25/18
    • A scalable packed-bed cell culture device includes a matrix vessel, a mixing vessel, a communicating means, a driving means and a controlling means. The matrix vessel includes porous matrixes packed therein. The mixing vessel includes a mixing means configured for mixing a culture medium. The communicating means is connected between the matrix vessel and the mixing vessel. The driving means is configured for driving the culture medium to flow between the matrix vessel and the mixing vessel. The controlling means configured for controlling the culture medium to submerge the porous matrixes at high level, and to emerge the porous matrixes at low level. An inoculation method and a culture method for scalable packed-bed cell culture device is also herein provided for eliminating the limitation of aeration or oxygenation during culture, alleviating the gradient effect, eliminating the channeling effect in conventional packed-bed bioreactors.
    • 可膨胀的填充床细胞培养装置包括矩阵容器,混合容器,连通装置,驱动装置和控制装置。 基质容器包括填充在其中的多孔基体。 混合容器包括配置用于混合培养基的混合装置。 连通装置连接在矩阵容器和混合容器之间。 驱动装置被构造成用于驱动培养基在矩阵容器和混合容器之间流动。 所述控制装置被配置为控制所述培养基以高水平淹没所述多孔基质,并且以低水平出现所述多孔基质。 本文还提供了一种用于可膨胀的填充床细胞培养装置的接种方法和培养方法,用于消除培养期间通气或氧合的限制,减轻梯度效应,消除常规填充床生物反应器中的通道效应。
    • 3. 发明申请
    • Method of making cell growth surface
    • 细胞生长表面的方法
    • US20060292690A1
    • 2006-12-28
    • US11471576
    • 2006-06-21
    • Tzu-Ying LiuIng-Kae WangSing-Ying HsiehLewis HoYu-Chi WangKing-Ming Chang
    • Tzu-Ying LiuIng-Kae WangSing-Ying HsiehLewis HoYu-Chi WangKing-Ming Chang
    • C12N5/06
    • C12N5/0068C12M25/14C12N2533/70
    • The present invention discloses a three-dimensional porous growth surface made from polysaccharide material, especially the alginic acid, to enhance cell growth surface, promote cell adherence, immobilization and propagation, maintain surface structure integrity, enable programmable degradation, and thus increase cellular production. The present invention teaches several methods: a method to enhance the integrity of the growth surface by protecting the growth surface in a rigid solid support; a method of use for enhancing the performance of the surface; and a method of modifying a growth surface for eukaryotic and/or prokaryotic cells comprising the steps of increasing surface area by creating porous and 3-D structure, treating a surface to encourage cell attachment, promoting cell growth and proliferation, and disposing the growth surface in any conventional cell cultivating device. The growth surface is able to program degradation and release the cell/tissue mass after the culture is completed.
    • 本发明公开了一种由多糖材料特别是藻酸制成的三维多孔生长表面,以增强细胞生长表面,促进细胞粘附,固定和繁殖,保持表面结构完整性,实现可编程降解,从而增加细胞生产。 本发明教导了几种方法:通过保护刚性固体支持物中的生长表面来增强生长表面完整性的方法; 用于增强表面性能的方法; 以及一种修饰真核细胞和/或原核细胞的生长表面的方法,包括以下步骤:通过产生多孔和3-D结构来增加表面积,处理表面以促进细胞附着,促进细胞生长和增殖,以及处置生长表面 在任何常规的细胞培养装置中。 生长表面能够在培养完成后编程降解和释放细胞/组织块。
    • 4. 发明申请
    • EXTERNAL MIXING DEVICE
    • 外部混合装置
    • US20120250450A1
    • 2012-10-04
    • US13436126
    • 2012-03-30
    • Lewis HoKing-Ming Chang
    • Lewis HoKing-Ming Chang
    • B01F15/02
    • B01F5/10B01F5/0268B01F5/16B01F15/0085B01F2215/0032
    • An external mixing device comprises: arranging an inlet and an outlet on the single-use container; a sterilizable or a single-use pump head connected to the inlet and outlet with a mixer installed inside. Driven by a driving device, the mixer makes the liquid circulate continuously between the pump head and the single-use container. The external mixing device further comprises a sensor chamber installed with a plurality of sensors and extra ports, which are used for introducing solution or gas inside or for sampling and detecting liquid properties. A single-use connector is used to connect the single-use container to the external mixing device, which can be operated aseptically under general environment. The external mixing device is small-sized with the advantage of simplified operation procedures.
    • 外部混合装置包括:在一次性容器上布置入口和出口; 一个可灭菌或一次性使用的泵头,连接到入口和出口,里面装有一个混合器。 由驱动装置驱动,混合器使液体在泵头和一次性容器之间连续循环。 外部混合装置还包括安装有多个传感器和额外端口的传感器室,其用于将溶液或气体引入或用于取样和检测液体性质。 一次性连接器用于将一次性容器连接到外部混合装置,可在一般环境下无菌操作。 外部混合装置小型化,具有操作简单的优点。
    • 7. 发明授权
    • Cell-cultivating device
    • US07033823B2
    • 2006-04-25
    • US10245254
    • 2002-09-16
    • King-Ming Chang
    • King-Ming Chang
    • C12M3/00
    • C12M35/00C12M23/26C12M23/34C12M25/14C12M27/14C12M29/10
    • The present invention claims and discloses a novel apparatus and method for efficiently cultivating cells with minimal mortality in order to harvest a maximum amount of cellular products generated by the cultivated cells. More particularly, the present invention teaches a method and a device for plating cells and causing maximum adherence of cells of interest. Furthermore, the present invention also teaches a growth substrate means that is capable of providing the largest surface area for cell adhesion and functions as an oxygenator, a depth filter and a static mixer to maximize the production of cellular products by intermittently and periodically provide sufficient oxygen and nutrients to the cells without causing cell death. The device of the present invention is economical and can be disposable thus eliminating complications caused by sterlization and is capable of periodically and intermittently provide oxygen and nutrients to cells, through controlling the amount of culture medium that comes into contact with the growth substrate means.