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    • 62. 发明授权
    • Chisels and procedure for insertion of spinal implant in a spinal disc space
    • 将脊柱植入物插入椎间盘空间的凿子和程序
    • US07988693B2
    • 2011-08-02
    • US10520794
    • 2003-07-11
    • Erik O. MartzDavid Chow
    • Erik O. MartzDavid Chow
    • A61B17/00
    • A61F2/4684A61B17/1604A61B17/1671A61F2/28A61F2/4455A61F2002/30131A61F2002/448A61F2230/0013A61F2310/00359
    • A chisel with U.V-shaped, saw tooth or other shaped opposing blades is used to form channels in adjacent vertebrae. The chisel has a projection extending from at least one of the top and bottom surfaces to limit depth of penetration into the vertebrae. A guide member may be attached to the forward tip of the chisel to guide the chisel into the disc space to uniformly chisel both adjacent vertebrae simultaneously to form a channel in the vertebrae. The so formed channels serve as sa guide for a second chisel having no guide member. The second chisel, which may be a box chisel, is used to complete the channels to the desired depth to receive an associated implant, typically of cortical bone. Other embodiments are disclosed in which a two step box chisel has a retractable guide member for initially guiding the chisel as it forms partial channels in the vertebrae disc space. The guide member is then retracted and the channels formed to the desired depth. The chisels include guide member pins which serve to both limit the extension and retraction of the guide member and also to serve to limit the depth of penetration of the chisel, physically and visually. The guide member may be retracted with a rotatable knob and a threaded engaged rod or with an axially displaceable pin and rod assembly attached to the guide member. A procedure for using the chisels is also disclosed.
    • 使用具有U.V形锯齿或其他形状相对的刀片的凿子在相邻椎骨中形成通道。 凿子具有从顶表面和底表面中的至少一个延伸的突起,以限制穿入椎骨的深度。 引导构件可以附接到凿子的前端,以将凿子引导到椎间盘空间中,以均匀地同时凿孔两个相邻的椎骨以在椎骨中形成通道。 这样形成的通道用作没有引导构件的第二凿子的引导件。 可以使用第二凿子,其可以是盒式凿子,以将通道完成到期望的深度以接收通常为皮层骨的相关植入物。 公开了其他实施例,其中两台凿子具有可缩回的引导构件,用于在椎骨盘空间中形成部分通道时最初引导凿子。 然后引导构件缩回并且通道形成到期望的深度。 凿子包括引导构件销,其用于限制引导构件的延伸和缩回,并且还用于在物理和视觉上限制凿子的穿透深度。 引导构件可以用可旋转的旋钮和螺纹接合的杆或与安装在引导构件上的可轴向移位的销和杆组件缩回。 还公开了使用凿子的方法。
    • 64. 发明授权
    • Integration of an electrical diode within a fuel cell
    • 在燃料电池内集成一个二极管
    • US07718288B2
    • 2010-05-18
    • US11028837
    • 2005-01-04
    • Michael W. MurphyMark MathiasDavid Chow
    • Michael W. MurphyMark MathiasDavid Chow
    • H01M8/04H01M8/10
    • H01M8/04552H01M8/0202H01M8/04753H01M8/0494H01M8/1007H01M8/241H01M8/2457
    • A fuel cell system that employs a diode electrically coupled between bipolar plates in a fuel cell of a fuel cell stack for preventing the fuel cell between the plates from reversing its polarity. The diode is a thin-sheet p-n diode including doped semiconductor layers and has a thickness relative to the thickness of the MEA in the fuel cell so that the overall stack thickness does not increase. When the fuel cell is operating properly the diode does not conduct and all of the current through the fuel cell goes through the MEA. If the electric load on the stack increases to a level beyond the capability of the fuel cell, where the potential across the fuel cell goes significantly below zero, the diode will begin to conduct so that any current that cannot travel through the MEA with the cell voltage less than one negative forward diode voltage drop is able to go around the MEA through the diode.
    • 一种燃料电池系统,其采用电耦合在燃料电池堆的燃料电池中的双极板之间的二极管,用于防止板之间的燃料电池反转其极性。 二极管是包括掺杂半导体层的薄片p-n二极管,并且具有相对于燃料电池中的MEA的厚度的厚度,使得整个堆叠厚度不增加。 当燃料电池正常工作时,二极管不导通,并且通过燃料电池的电流全部通过MEA。 如果堆叠上的电负载增加到超过燃料电池能力的水平,其中燃料电池两端的电位明显低于零,则二极管将开始导通,使得任何不能通过MEA的电流流过电池 小于1负的正向二极管电压降可通过二极管绕过MEA。
    • 65. 发明申请
    • Portable Data Exchanger with Extended USB Interface
    • 带扩展USB接口的便携式数据交换器
    • US20080052439A1
    • 2008-02-28
    • US11928604
    • 2007-10-30
    • Sidney YOUNGDavid Chow
    • Sidney YOUNGDavid Chow
    • G06F13/14
    • G06F13/4027G06K19/077G06K19/07732G06K19/07741
    • The present invention discloses a portable data exchanger with extended USB interface. One portable data exchanger of the present invention can exchange data with another portable data exchanger of the same design connected thereto without using a computer. Further, the portable data exchanger with extended USB interface of the present invention is designed to have the hub-supporting USB OTG capability. Thus, the portable data exchanger with extended USB interface of the present invention not only can function as a slave to be controlled by a standard non-OTG USB host device but also can function as a host to control a standard non-OTG USB peripheral device. To be also compatible with the next generation devices, the present invention also proposes a portable data exchanger with extended USB interface using dual-personality extended USB plug and socket with PCI-express or SATA extensions.
    • 本发明公开了一种具有扩展USB接口的便携式数据交换器。 本发明的一个便携式数据交换器可以与其连接的相同设计的另一便携式数据交换机交换数据,而无需使用计算机。 此外,本发明的具有扩展USB接口的便携式数据交换机被设计为具有集线器支持的USB OTG能力。 因此,本发明的具有扩展USB接口的便携式数据交换器不仅可以作为由标准非OTG USB主机设备控制的从设备,而且可以用作控制标准非OTG USB外围设备的主机 。 为了兼容下一代设备,本发明还提出了一种具有扩展USB接口的便携式数据交换器,其使用具有PCI-express或SATA扩展的双人格扩展的USB插头和插座。
    • 68. 发明申请
    • Chisels and procedure for insertion of spinal implant in a spinal disc space
    • 将脊柱植入物插入椎间盘空间的凿子和程序
    • US20050251146A1
    • 2005-11-10
    • US10520794
    • 2003-07-16
    • Erik MartzDavid Chow
    • Erik MartzDavid Chow
    • A61B17/16A61F2/00A61F2/28A61F2/44A61F2/46
    • A61F2/4684A61B17/1604A61B17/1671A61F2/28A61F2/4455A61F2002/30131A61F2002/448A61F2230/0013A61F2310/00359
    • A chisel with U.V-shaped, saw tooth or other shaped opposing blades is used to form channels in adjacent vertebrae. The chisel has a projection extending from at least one of the top and bottom surfaces to limit depth of penetration into the vertebrae. A guide member may be attached to the forward tip of the chisel to guide the chisel into the disc space to uniformly chisel both adjacent vertebrae simultaneously to form a channel in the vertebrae. The so formed channels serve as sa guide for a second chisel having no guide member. The second chisel, which may be a box chisel, is used to complete the channels to the desired depth to receive an associated implant, typically of cortical bone. Other embodiments are disclosed in which a two step box chisel has a retractable guide member for initially guiding the chisel as it forms partial channels in the vertebrae disc space. The guide member is then retracted and the channels formed to the desired depth. The chisels include guide member pins which serve to both limit the extension and retraction of the guide member and also to serve to limit the depth of penetration of the chisel, physically and visually. The guide member may be retracted with a rotatable knob and a threaded engaged rod or with an axially displaceable pin and rod assembly attached to the guide member. A procedure for using the chisels is also disclosed.
    • 使用具有U.V形锯齿或其他形状相对的刀片的凿子在相邻椎骨中形成通道。 凿子具有从顶表面和底表面中的至少一个延伸的突起,以限制穿入椎骨的深度。 引导构件可以附接到凿子的前端,以将凿子引导到椎间盘空间中,以均匀地同时凿孔两个相邻的椎骨以在椎骨中形成通道。 这样形成的通道用作没有引导构件的第二凿子的引导件。 可以使用第二凿子,其可以是盒式凿子,以将通道完成到期望的深度以接收通常为皮层骨的相关植入物。 公开了其他实施例,其中两台凿子具有可缩回的引导构件,用于在椎骨盘空间中形成部分通道时最初引导凿子。 然后引导构件缩回并且通道形成到期望的深度。 凿子包括引导构件销,其用于限制引导构件的延伸和缩回,并且还用于在物理和视觉上限制凿子的穿透深度。 引导构件可以用可旋转的旋钮和螺纹接合的杆或与安装在引导构件上的可轴向移位的销和杆组件缩回。 还公开了使用凿子的方法。