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    • 1. 发明申请
    • TRAJECTORY GUIDES FOR SURGICAL INSTRUMENTS
    • 手术仪器手术指南
    • WO9851229A9
    • 1999-04-01
    • PCT/US9810008
    • 1998-05-15
    • UNIV MINNESOTATRUWIT CHARLES LLIU HAIYINGBAUER DEBRA F
    • TRUWIT CHARLES LLIU HAIYINGBAUER DEBRA F
    • A61B17/00A61B19/00
    • A61B90/11A61B34/10A61B90/36A61B2017/00243A61B2017/00398A61B2017/00539A61B2017/00911A61B2090/3954
    • A surgical method and apparatus for accurately aligning the trajectory of, guiding of, and introducing or withdrawal of an instrument is disclosed. The apparatus includes a base which has a movable member movably attached to the base. The movable member has a passage therein which forms a portion of the trajectory path. A positioning stem further includes a first locator and a second locator. The first and second locators are associated with two different portions of the positioning stem so that they are essentially two points on a line. The first and second locators are also locatable by a scanning or imaging system. The positioning stem is removably attached to said movable member and used to position the movable member. Moving the movable member also moves the passage therein to different trajectories. Once the passage within the movable member more or less is aligned with a target within the body, a locking member locks the movable member into a fixed position. The movable member can be moved to different trajectories using a first hydraulic system. A second hydraulic system can be used to introduce or withdraw an instrument to or from the patient. A mechanical advancement tool can be substituted for the second hydraulic system. The surgical instrument may also be provided with a remote portion for controlling the instrument from a remote location. The instrument can also be computer controlled.
    • 公开了一种用于精确对准仪器的轨迹,引导和引入或撤回的手术方法和装置。 该装置包括具有可移动地附接到基座的可动构件的底座。 可移动部件具有形成轨迹路径的一部分的通道。 定位杆还包括第一定位器和第二定位器。 第一和第二定位器与定位杆的两个不同部分相关联,使得它们基本上是一条直线上的两个点。 第一和第二定位器也可由扫描或成像系统定位。 定位杆可移除地附接到所述可动构件并用于定位可动构件。 移动可移动构件还将其中的通道移动到不同的轨迹。 一旦可动构件中的通道或多或少地与主体内的靶对准,则锁定构件将可动构件锁定在固定位置。 使用第一液压系统可移动构件可移动到不同的轨迹。 可以使用第二液压系统将仪器引入或者从患者身上引出或从患者身上取出。 机械推进工具可以代替第二液压系统。 手术器械还可以设置有用于从远程位置控制仪器的远程部分。 仪器也可以由电脑控制。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR POSITIONING A DEVICE IN A BODY
    • 用于定位身体中的装置的方法和装置
    • WO0019927A9
    • 2002-08-22
    • PCT/US9923673
    • 1999-10-08
    • UNIV MINNESOTATRUWIT CHARLES LLIU HAIYING
    • TRUWIT CHARLES LLIU HAIYING
    • G01R33/30A61B5/055A61B6/12A61B8/00A61B17/00A61B18/20A61B19/00
    • A61B90/11A61B34/10A61B34/70A61B2017/00115A61B2018/2025A61B2090/374
    • There is disclosed a method of positioning an interventional device in a body using a guide (17) pivoting about a pivot point, comprising locating the spatial coordinates of a target (12) and the pivot point, determining a third point (34) outside of the body lying along or proximate a line (30) extending through the target and pivot point, and aligning the axis of the guide with the third point (34) using an imaging system. There is also disclosed a medical imaging system including a processing unit and computer software operative on the processing unit to permit an operator of the system to locate the spatial coordinates of a target point (12) and a pivot point of a guide (17), and determine a third point (34) outside of the body lying along or proximate a line (30) extending through the target and pivot point. This medical imaging system may further include computer software operative on the processing unit to assist an operator in obtaining an image by which the axis of the guide can be aligned with the third point (34) using an imaging system. There is also disclosed an article of manufacture comprising a computer program encoded in a carrier, wherein the program is operative on a processing unit of a medical imaging system to permit an operator of the system to locate the spatial coordinates of a target point (12) and a pivot point of a guide (17), and determine a third point (34) outside of the body lying along or proximate a line (30) extending through the target (12) and pivot point.
    • 公开了一种使用围绕枢转点枢转的引导件(17)将介入装置定位在身体中的方法,包括定位目标(12)和枢轴点的空间坐标,确定第二点(34)在第 身体沿着或靠近延伸穿过目标和枢转点的线(30),并且使用成像系统将引导件的轴线与第三点(34)对准。 还公开了一种医疗成像系统,其包括在处理单元上操作的处理单元和计算机软件,以允许系统的操作者定位目标点(12)和引导件(17)的枢转点的空间坐标, 并且确定沿着或靠近延伸穿过目标点和枢转点的线(30)的身体外部的第三点(34)。 该医学成像系统还可以包括在处理单元上操作的计算机软件,以帮助操作者获得图像,通过该图像,引导件的轴线可以使用成像系统与第三点(34)对准。 还公开了一种包括在载体中编码的计算机程序的制品,其中所述程序在医学成像系统的处理单元上操作,以允许系统的操作者定位目标点(12)的空间坐标, 和引导件(17)的枢转点,并且确定沿着或靠近延伸穿过目标(12)和枢转点的线(30)的身体外部的第三点(34)。