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50 条记录 (耗时 0.025 秒)

    Pulsed Synchronized Laser Cutting of Stents
    46.
    发明申请
    Pulsed Synchronized Laser Cutting of Stents 审中-公开
    脉冲同步激光切割支架

    公开(公告)号：US20070228023A1

    公开(公告)日：2007-10-04

    申请号：US11278131

    申请日：2006-03-30

    申请人： Klaus Kleine ,  William Fox ,  Scott Palley

    发明人： Klaus Kleine ,  William Fox ,  Scott Palley

    IPC分类号： B23K26/38

    CPC分类号： B23K26/0823 ,  A61F2/91 ,  B23K26/0626

    摘要： A system for pulsed synchronized laser cutting of stents and/or other medical products includes a numerical controller and a machine for moving a tube of material during cutting. A pulsed fiber laser is configured to cut the tube into, for example, a stent, the numerical controller being in communication with the machine and configured to send movement control information to the machine. The numerical controller may also receive movement speed information from the machine. The numerical controller is also in communication with the pulsed fiber laser and is configured to send pulse control information to the pulsed fiber laser. The numerical controller is configured to cause average laser power to decrease by decreasing frequency of laser pulses as stent cutting speed decreases, and to cause average laser power to increase by increasing frequency of laser pulses as stent cutting speed increases.

    摘要翻译： 用于支架和/或其他医疗产品的脉冲同步激光切割的系统包括数字控制器和用于在切割期间移动材料管的机器。 脉冲光纤激光器被配置为将管切割成例如支架，数字控制器与机器通信并被配置为向机器发送运动控制信息。 数值控制器还可以从机器接收移动速度信息。 数字控制器还与脉冲光纤激光器通信，并配置为向脉冲光纤激光器发送脉冲控制信息。 数值控制器被配置为通过降低激光脉冲的频率来降低​​平均激光功率，因为​​支架切割速度降低，并且由于支架切割速度增加，激光脉冲的频率增加导致平均激光功率增加。

    Laser induced plasma machining with an optimized process gas
    47.
    发明申请
    Laser induced plasma machining with an optimized process gas 审中-公开
    用优化的工艺气体激光诱导等离子体加工

    公开(公告)号：US20070045255A1

    公开(公告)日：2007-03-01

    申请号：US11210349

    申请日：2005-08-23

    申请人： Klaus Kleine ,  Scott Palley

    发明人： Klaus Kleine ,  Scott Palley

    IPC分类号： B23K10/00 ,  B23K26/38

    CPC分类号： B23K26/38 ,  A61F2/91 ,  B23K26/0624 ,  B23K2103/42 ,  B23K2103/50

    摘要： Embodiments of methods of laser machining that include inducing formation of a plasma plume from a process gas through interaction of the gas with a laser beam are disclosed. The methods may include removing material from the substrate by interaction of the induced plasma plume with the substrate. The process gas may be optimized to achieve a desired machining effect.

    摘要翻译： 公开了激光加工方法的实施例，其包括通过气体与激光束的相互作用从工艺气体引起等离子体羽流的形成。 所述方法可以包括通过诱导的等离子体羽流与衬底的相互作用从衬底去除材料。 可以优化处理气体以实现期望的加工效果。

    Pulsed fiber laser cutting system for medical implants
    50.
    发明授权
    Pulsed fiber laser cutting system for medical implants 有权
    用于医疗植入物的脉冲光纤激光切割系统

    公开(公告)号：US06521865B1

    公开(公告)日：2003-02-18

    申请号：US09882590

    申请日：2001-06-14

    申请人： Stephen Jones ,  Klaus Kleine ,  Brad Whitney

    发明人： Stephen Jones ,  Klaus Kleine ,  Brad Whitney

    IPC分类号： B23K2638

    CPC分类号： B23K26/142 ,  A61F2/91 ,  B23K26/1438 ,  B23K26/146 ,  B23K26/1476 ,  B23K26/16 ,  B23K26/38 ,  B23K2101/06 ,  B23K2103/05 ,  B23K2103/42 ,  B23K2103/50

    摘要： An improved expandable stent for implantation in a body lumen, such as an artery, and an improved method for making it from a single length of tubing. The stent consists of a plurality of radially expandable cut cylindrical elements generally aligned on a common axis and interconnected by one or more interconnective elements, the elements having a rectangular cross-section from cut-to-cut. The individual radially expandable cylindrical elements are disposed in an undulating pattern. The stent is manufactured by direct laser cutting from a single metal tube using a finely focused laser beam originating from a diode pumped fiber laser with an external pulse generator and passing through a coaxial gas jet structure to impinge on the working surface of the tube as the linear and rotary velocity of the tube is precisely controlled.

    摘要翻译： 用于植入体腔（例如动脉）中的改进的可扩张支架，以及用于使其从单一管道制成的改进方法。 支架由多个径向可膨胀的切割的圆柱形元件组成，其大体上在公共轴线上对齐并由一个或多个互连元件互连，所述元件具有从切割到切割的矩形横截面。 各个可径向扩张的圆柱形元件以波形图案设置。 支架通过使用来自具有外部脉冲发生器的二极管泵浦光纤激光器的精细聚焦激光束从单个金属管直接激光切割制造，并且穿过同轴气体射流结构以撞击管的工作表面 管的线性和旋转速度被精确控制。