Method and apparatus for forming a feature in a workpiece by laser ablation with a laser beam having an adjustable intensity profile to redistribute the energy density impinging on the workpiece
    61.
    发明授权
    Method and apparatus for forming a feature in a workpiece by laser ablation with a laser beam having an adjustable intensity profile to redistribute the energy density impinging on the workpiece 失效
    通过具有可调强度分布的激光束通过激光烧蚀在工件中形成特征的方法和装置,以重新分布冲击在工件上的能量密度

    公开(公告)号:US08158904B2

    公开(公告)日:2012-04-17

    申请号:US10918841

    申请日:2004-08-13

    IPC分类号: B23K26/38 B23K26/06

    摘要: A method and apparatus is provided for removing material from an outer surface of a workpiece such as a catheter or other medical device. The method begins by generating a laser beam having an intensity profile and directing the laser beam onto the outer surface of the workpiece. After the laser beam is generated, its intensity profile is adjusted by a component such as a diffractive optical element (DOE) or a holographic optical element (HOE) so that material can be removed from the workpiece by ablation in a prescribed manner.

    摘要翻译: 提供了用于从诸如导管或其它医疗装置的工件的外表面去除材料的方法和装置。 该方法通过产生具有强度分布并将激光束引导到工件的外表面上的激光束开始。 在产生激光束之后,其强度分布由诸如衍射光学元件(DOE)或全息光学元件(HOE)的部件调节,使得可以通过以规定的方式通过烧蚀从材料中去除材料。

    Internal medical devices for delivery of therapeutic agent in conjunction with a source of electrical power
    62.
    发明授权
    Internal medical devices for delivery of therapeutic agent in conjunction with a source of electrical power 有权
    用于与电力源一起递送治疗剂的内部医疗装置

    公开(公告)号:US08152759B2

    公开(公告)日:2012-04-10

    申请号:US12077603

    申请日:2008-03-20

    IPC分类号: A61M29/00

    摘要: The invention generally relates to internal (e.g., implantable, insertable, etc.) drug delivery devices which contain the following: (a) one or more sources of one or more therapeutic agents; (b) one or more first electrodes, (c) one or more second electrodes and (d) one or more power sources for applying voltages across the first and second electrodes. The power sources may be adapted, for example, to promote electrically assisted therapeutic agent delivery within a subject, including electroporation and/or iontophoresis. In one aspect of the invention, the first and second electrodes are adapted to have tissue of a subject positioned between them upon deployment of the medical device within the subject, such that an electric field may be generated, which is directed into the tissue. Furthermore, the therapeutic agent sources are adapted to introduce the therapeutic agents into the electric field. In another aspect, the therapeutic agent sources are polymeric regions that contain one or more types of ion-conductive polymers and one or more types of charged therapeutic agents. In yet another aspect, the therapeutic agent sources are polymeric regions that contain one or more types of electrically conductive polymers and one or more types of charged therapeutic agents.

    摘要翻译: 本发明一般涉及含有以下物质的内部(例如,可植入,可插入等)药物递送装置:(a)一种或多种一种或多种治疗剂来源; (b)一个或多个第一电极,(c)一个或多个第二电极和(d)用于在第一和第二电极上施加电压的一个或多个电源。 电源可以适应于例如促进受试者内的电辅助治疗剂递送,包括电穿孔和/或离子电渗疗法。 在本发明的一个方面中,第一和第二电极适于在医疗装置在受试者内展开时使被检体的组织位于它们之间,使得可以产生被引导到组织中的电场。 此外,治疗剂源适于将治疗剂引入电场。 另一方面,治疗剂来源是含有一种或多种类型的离子导电聚合物和一种或多种类型的带电治疗剂的聚合物区域。 在另一方面,治疗剂来源是含有一种或多种类型的导电聚合物和一种或多种类型的带电治疗剂的聚合物区域。

    Method and apparatus for high reliability data storage and retrieval operations in multi-level flash cells
    65.
    发明授权
    Method and apparatus for high reliability data storage and retrieval operations in multi-level flash cells 失效
    用于多级闪存单元中高可靠性数据存储和检索操作的方法和装置

    公开(公告)号:US07941592B2

    公开(公告)日:2011-05-10

    申请号:US12228795

    申请日:2008-08-14

    IPC分类号: G06F12/00

    CPC分类号: G11C11/5628 G11C2211/5641

    摘要: One or more multi-level NAND flash cells are operated so as to store only single-level data, and these operations achieve an increased level of charge separation between the data states of the single-level operation by requiring a write to both the upper and lower pages, even though only one bit of data is being stored. That is, the second write operation increases the difference in floating gate charge between the erased state and the programmed state of the first write operation without changing the data in the flash memory cell. In one embodiment, a controller instructs the flash memory to perform two write operations for storing a single bit of data in an MLC flash cell. In another embodiment, the flash memory recognizes that a single write operation is directed a high reliability memory area and internally generates the required plurality of programming steps to place at least a predetermined amount of charge on the specified floating gate.

    摘要翻译: 操作一个或多个多电平NAND闪存单元以仅存储单级数据,并且这些操作通过要求写入上层和第二级的单级操作来实现单级操作的数据状态之间的电荷分离水平的提高 即使只有一位数据被存储,也是较低的页面。 也就是说,第二写入操作增加擦除状态和第一写操作的编程状态之间的浮栅电荷的差异,而不改变闪存单元中的数据。 在一个实施例中,控制器指示闪速存储器执行用于在MLC闪存单元中存储单个数据位的两个写入操作。 在另一个实施例中,闪速存储器识别出单个写入操作被引导到高可靠性存储区域,并且在内部产生所需的多个编程步骤以将至少预定量的电荷放置在指定的浮动栅极上。

    Internal medical devices for delivery of therapeutic agent in conjunction with a source of electrical power
    67.
    发明授权
    Internal medical devices for delivery of therapeutic agent in conjunction with a source of electrical power 失效
    用于与电力源一起递送治疗剂的内部医疗装置

    公开(公告)号:US07850645B2

    公开(公告)日:2010-12-14

    申请号:US11055930

    申请日:2005-02-11

    IPC分类号: A61M29/00

    摘要: The invention generally relates to internal (e.g., implantable, insertable, etc.) drug delivery devices which contain the following: (a) one or more sources of one or more therapeutic agents; (b) one or more first electrodes, (c) one or more second electrodes and (d) one or more power sources for applying voltages across the first and second electrodes. The power sources may be adapted, for example, to promote electrically assisted therapeutic agent delivery within a subject, including electroporation and/or iontophoresis. In one aspect of the invention, the first and second electrodes are adapted to have tissue of a subject positioned between them upon deployment of the medical device within the subject, such that an electric field may be generated, which is directed into the tissue. Furthermore, the therapeutic agent sources are adapted to introduce the therapeutic agents into the electric field. In another aspect, the therapeutic agent sources are polymeric regions that contain one or more types of ion-conductive polymers and one or more types of charged therapeutic agents. In yet another aspect, the therapeutic agent sources are polymeric regions that contain one or more types of electrically conductive polymers and one or more types of charged therapeutic agents.

    摘要翻译: 本发明一般涉及含有以下物质的内部(例如,可植入,可插入等)药物递送装置:(a)一种或多种一种或多种治疗剂来源; (b)一个或多个第一电极,(c)一个或多个第二电极和(d)用于在第一和第二电极上施加电压的一个或多个电源。 电源可以适应于例如促进受试者内的电辅助治疗剂递送,包括电穿孔和/或离子电渗疗法。 在本发明的一个方面中,第一和第二电极适于在医疗装置在受试者内展开时使被检体的组织位于它们之间,使得可以产生被引导到组织中的电场。 此外,治疗剂源适于将治疗剂引入电场。 另一方面,治疗剂来源是含有一种或多种类型的离子导电聚合物和一种或多种类型的带电治疗剂的聚合物区域。 在另一方面,治疗剂来源是含有一种或多种类型的导电聚合物和一种或多种类型的带电治疗剂的聚合物区域。

    Catheter with Removable Balloon Protector and Stent Delivery System With Removable Stent Protector

    公开(公告)号:US20100069839A1

    公开(公告)日:2010-03-18

    申请号:US12620368

    申请日:2009-11-17

    IPC分类号: A61M31/00

    摘要: A balloon catheter is provided having an expandable distal portion and balloon protector means comprising a first removable sleeve having a variable inner diameter to ease sliding the first sleeve over the balloon, and an optional second removable (outer) sleeve positioned over the inner sleeve, the second (outer) sleeve having a constrictive relationship with the first (inner) sleeve, said first and second sleeves being removed prior to use of the catheter. A stent delivery system is provided to facilitate introduction and placement of a stent, and includes a catheter having an expandable distal portion constructed and arranged for expanding the outer diameter of the catheter from a contracted state to an expanded state, said distal portion further comprising a balloon and at least one dam over which the balloon extends, and a stent positioned around the distal portion of the catheter around the balloon or gripper linear control device, said stent having a contracted condition, being sized in the contracted condition to closely surround the balloon in the contracted state, and being expandable to an expanded condition; a first removable (inner) sleeve in the region of the distal portion of the catheter positioned around the stent (and between the dams where the device comprises two dams), said first sleeve comprising a first end, a second end and a variable inner diameter to ease sliding the sleeve over the balloon and stent; an optional second removable (outer) sleeve positioned over the stent, first sleeve and at least one dam, said second (outer) sleeve having a constrictive relationship with the first (inner) sleeve, whereby when compressed by the outer sleeve, the inner sleeve will have an inner diameter approximately equal to or less than the outer profile of the collapsed balloon over the at least one dam, said first and second sleeves being removed prior to use of the stent delivery system and release of the stent by expansion of the balloon.