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    Device and method for delivery of long wavelength laser energy to a tissue site
    51.
    发明申请
    Device and method for delivery of long wavelength laser energy to a tissue site 失效
    将长波长激光能量递送到组织部位的装置和方法

    公开(公告)号：US20040120668A1

    公开(公告)日：2004-06-24

    申请号：US10324897

    申请日：2002-12-20

    Inventor： Marvin P. Loeb

    IPC: G02B006/06

    CPC classification number: A61B18/22 ,  A61B18/201 ,  A61B2017/00274 ,  A61B2018/00547 ,  A61B2218/006

    Abstract: A laser energy delivery device is provided that is suitable for irradiating a body tissue with relatively long wavelength laser energy in the presence of an aqueous liquid without significant absorption of the laser energy by the liquid. The device includes an elongate hollow sheath that is open at its distal end and closed at its proximal end, a laser energy conduit such as an optical fiber or hollow wave guide, within the sheath, the distal end of the conduit being disposed near the open distal end of the sheath, and the proximal end of the conduit being adapted for connection to a source of long wavelength laser energy. The sheath also includes an inlet port, spaced from the proximal end of the sheath, and adapted to receive and deliver a biologically compatible gas through the sheath to a body tissue site in contact with the open distal end of the sheath. In use, the open distal end of the sheath is positioned in contact with a body tissue site. Gas infused through the sheath displaces an aqueous liquid from the region between the distal end of the sheath and the tissue. Laser energy emitted from the distal end of the conduit passes through the substantially liquid-free region at the distal end of the sheath and impinges on the tissue to be irradiated. The laser energy can be used to ablate, vaporize, coagulate or shrink tissue at the target zone without interference from aqueous liquids, which tend to absorb relatively large amounts of long wavelength laser energy and reduce the efficiency of tissue ablation.

    Abstract translation: 提供了一种激光能量输送装置，其适用于在水性液体的存在下照射具有相对较长波长的激光能量的身体组织，而不会由液体显着吸收激光能量。 该装置包括细长的中空护套，其在其远端处是开放的，并且在其近端处封闭，在护套内封闭激光能量导管，例如光纤或中空波导管，导管的远端设置在开口附近 护套的远端，并且导管的近端适于连接到长波长激光能源。 护套还包括与护套的近端隔开的入口端口，并且适于将生物相容的气体通过护套接收并输送到与护套的敞开的远端接触的身体组织部位。 在使用中，护套的敞开的远端定位成与身体组织部位接触。 通过护套输入的气体从鞘的远端和组织之间的区域中移出含水液体。 从导管的远端发射的激光能量穿过护套的远端处的基本上无液体的区域并撞击待照射的组织。 激光能量可用于在目标区域烧蚀，蒸发，凝结或收缩组织，而不会受到含水液体的干扰，这些液体倾向于吸收相当大量的长波长激光能量并降低组织消融的效率。

    Heart synchronized pulsed laser system
    52.
    发明授权
    Heart synchronized pulsed laser system 失效
    心同步脉冲激光系统

    公开(公告)号：US06595987B1

    公开(公告)日：2003-07-22

    申请号：US09248881

    申请日：1999-02-11

    Applicant: Charles C. Negus ,  Robert I. Rudko ,  Stephen J. Linhares ,  Stephen M. Perez

    Inventor： Charles C. Negus ,  Robert I. Rudko ,  Stephen J. Linhares ,  Stephen M. Perez

    IPC: A61B1818

    CPC classification number: A61B18/201 ,  A61B2218/006

    Abstract: A heart-synchronized pulsed laser system includes a laser; means for sensing the contraction and expansion of a beating heart to be synchronized with the laser; means, responsive to the means for sensing, for generating a trigger pulse; means for positioning the leading edge of the trigger pulse; means for positioning the leading edge of the trigger pulse during the contraction and expansion cycle of the heartbeat; means for defining the width of the trigger pulse to occur during the heartbeat cycle; and means responsive to the trigger pulse for firing the laser to strike the beating heart at the time indicated by the trigger pulse position and for the period indicated by the width of the trigger pulse. In addition, the invention feature a handpiece for a medical laser system comprising a barrel for having a passage for transmitting a laser beam and a contacting wall on one end of said barrel including an aperture in communication with the passage, a solid face extending radially outward from the aperture to the periphery of said contacting wall, and a knurled surface on the face for preventing movement of the contacting wall with respect to the heart wall during surgery.

    Abstract translation: 心脏同步的脉冲激光系统包括激光器; 用于感测跳动心脏与激光同步的收缩和扩张的装置; 响应于用于感测的装置，用于产生触发脉冲的装置; 用于定位触发脉冲的前沿的装置; 用于在心跳的收缩和扩张循环期间定位触发脉冲的前缘的装置; 用于定义在心跳周期期间发生的触发脉冲的宽度的装置; 以及响应于触发脉冲以触发激光以在由触发脉冲位置指示的时间和由触发脉冲的宽度指示的时间内击打心跳的装置。 此外，本发明的特征在于一种用于医疗激光系统的手持件，其包括用于具有用于传送激光束的通道和在所述镜筒的一端上的接触壁的镜筒，该镜筒包括与通道连通的孔，径向向外延伸的实心面 从所述接触壁的孔到周边，以及面上的滚花表面，用于防止接触壁在手术期间相对于心壁移动。

    Handpiece for a medical laser system
    54.
    发明授权
    Handpiece for a medical laser system 失效
    医疗激光系统的手机

    公开(公告)号：US6113587A

    公开(公告)日：2000-09-05

    申请号：US190950

    申请日：1994-02-03

    Applicant: Charles C. Negus ,  Robert I. Rudko ,  Stephen J. Linhares ,  Stephen M. Perez

    Inventor： Charles C. Negus ,  Robert I. Rudko ,  Stephen J. Linhares ,  Stephen M. Perez

    IPC: A61B18/00 ,  A61B18/20 ,  A61B18/18

    CPC classification number: A61B18/201 ,  A61B2218/006

    Abstract: A handpiece for a medical laser system comprising a barrel for having a passage for transmitting a laser beam and a contacting wall on one end of said barrel including an aperture in communication with the passage, a solid face extending radially outward from the aperture to the periphery of said contacting wall, and a knurled surface on the face for preventing movement of the contacting wall with respect to the heart wall during surgery.

    Abstract translation: 一种用于医疗激光系统的手持件，包括用于具有用于传送激光束的通道的筒体和在所述镜筒的一端上的接触壁，所述接触壁包括与所述通道连通的孔，从所述孔径向外延伸到所述周边的实心面 的所述接触壁，以及在所述面上的滚花表面，用于在手术期间防止接触壁相对于心脏壁移动。

    Delivery system and method for surgical laser
    56.
    发明授权
    Delivery system and method for surgical laser 失效
    手术激光输送系统和方法

    公开(公告)号：US5951543A

    公开(公告)日：1999-09-14

    申请号：US885064

    申请日：1997-06-30

    Applicant: Fritz Brauer

    Inventor： Fritz Brauer

    IPC: A61B17/00 ,  A61B18/20 ,  A61B18/22 ,  A61B19/00 ,  A61B17/36

    CPC classification number: A61F11/002 ,  A61B18/201 ,  A61B2017/00247 ,  A61B2017/00787 ,  A61B2018/00392 ,  A61B2018/2227 ,  A61B90/37

    Abstract: The system and method of delivery of laser radiation comprises a flexible hollow waveguide connectable at a first end to a low power laser source, such as a CO.sub.2 laser, a rigid hollow waveguide having a proximal end and a distal end, a coupler for coupling the second end of the flexible hollow waveguide to the proximal end of the rigid hollow waveguide and a diamond tip partially disposed within and extending from the distal end of the rigid waveguide. The diamond tip has an entrance face for receiving laser radiation and at least one exit face for transmitting laser radiation toward an area of biological tissue. The exit end of the diamond tip may be flat, parallel to the entrance face, curved, to act as a lens providing a focusing function, or beveled, to create one or more blade edges to limit the point(s) of exit of the laser radiation and to provide a cutting edge which may be used in combination with the radiation to simultaneously create and photocoagulate the tissue at an incision.

    Abstract translation: 激光辐射传送的系统和方法包括可在第一端连接到低功率激光源的柔性中空波导，例如CO 2激光器，具有近端和远端的刚性中空波导，用于将 柔性空心波导的第二端到刚性中空波导的近端，并且金刚石尖端部分地设置在刚性波导的远端内并且从刚性波导的远端延伸。 金刚石尖端具有用于接收激光辐射的入射面和用于将激光辐射传送到生物组织的区域的至少一个出射面。 金刚石尖端的出口端可以是平的，平行于入射面弯曲，以作为提供聚焦功能或斜面的透镜，以产生一个或多个叶片边缘，以限制出口的出口点 激光辐射并且提供可以与辐射组合使用的切割边缘，以同时在切口处产生并凝固组织。

    Ultrasonic surgical knife
    59.
    发明授权
    Ultrasonic surgical knife 失效
    超声波手术刀

    公开(公告)号：US5702360A

    公开(公告)日：1997-12-30

    申请号：US571989

    申请日：1996-01-03

    Applicant: Francis Dieras ,  Jean-Luc Billard

    Inventor： Francis Dieras ,  Jean-Luc Billard

    IPC: A61B17/32 ,  A61B18/00 ,  A61B18/20 ,  A61M1/00

    CPC classification number: A61B17/320068 ,  A61B18/201 ,  A61B2017/320084 ,  A61B2217/005 ,  A61B2218/008

    Abstract: A surgical knife comprising an ultrasonic generator (3) for ultrasonically vibrating an electrode or sonotrode (9) arranged at the front end of the knife and provided with an axial suction bore (19, 21). The surgical knife is characterized in that its back end comprises a member (31) for guiding a laser beam through the axial suction bore (19, 21) and onto a focal point (A) located beyond the front end of the sonotrode (9).

    Abstract translation: PCT No.PCT / FR94 / 00853 Sec。 371日期1996年1月3日 102（e）日期1996年1月3日PCT 1994年7月8日PCT公布。 公开号WO95 / 01754 日期1995年1月19日一种手术刀，其包括超声波发生器（3），用于超声波振动设置在刀的前端的电极或超声波探针（9），并设置有轴向吸入孔（19,21）。 手术刀的特征在于其后端包括用于将激光束引导通过轴向吸入孔（19,21）并位于位于超声超声波（9）的前端之外的焦点（A）上的构件（31） 。

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