CN1198918A - 用来标示仪器导向路径的装置 - Google Patents

用来标示仪器导向路径的装置 Download PDF

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CN1198918A
CN1198918A CN98105567A CN98105567A CN1198918A CN 1198918 A CN1198918 A CN 1198918A CN 98105567 A CN98105567 A CN 98105567A CN 98105567 A CN98105567 A CN 98105567A CN 1198918 A CN1198918 A CN 1198918A
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puncture
instrument
computer
light beam
point
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CN1151756C (zh
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朱迪思·雷根
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Siemens AG
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Siemens AG
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
    • A61B90/13—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints guided by light, e.g. laser pointers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B2090/364—Correlation of different images or relation of image positions in respect to the body
    • A61B2090/366—Correlation of different images or relation of image positions in respect to the body using projection of images directly onto the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation

Abstract

一种用来标示仪器导向路径的,可与医学检测设备联合应用的用于穿刺手术的简单装置。该装置具有一激光源(4),它可在轨道(3)上移动和转动,发射出的光束(5)对准患者,并且根据计划图中的标示自动进行调节。

Description

用来标示仪器导向 路径的装置
本发明涉及一种用来标示仪器、尤其是穿刺针的导向路径的装置。
众所周知，出于诊断或医疗目的，要对不同的身体部位或器官实施穿刺手术，通过这种方法，可以获取化验所需的组织试样。通常的问题是，为确保将穿刺针导至所希望的位置，特别是在相对较小的区域内，要将针头扎到表皮之下。
在已公开的方式中，为准备穿刺手术，首先要借助于计算机层析X射线照相设备，或借助于磁共振层析X射线照相设备，制取躯体待穿刺区域的切面图。医生利用这些切面图来确定穿刺的区域，选择有利的穿刺部位和穿刺方向。为实施穿刺，将患者拉出层析X射线照相设备，在躯体上标示出根据所选择的切面图确定的穿刺部位，之后，医生以一个估计的角度，利用穿刺针实施穿刺手术。
此外，已公开的还有，为精确地导引穿刺针，设有两个激光-光瞄准器，用来发射不同颜色的扇形激光束(DE19501069A1)。在此，激光束的十字交叉线标示着穿刺针的导向路径，在此，这种标示方法(所需)的费用相对较高。
本发明的目的在于，在现有的技术条件下，简化开头所述形式的装置。
本发明的目的是通过一种对在医学检测设备中仪器的预设导向途径进行标示的装置来实现的，该检测设备具有一用来发射光束的发光系统，该系统可在轨道上移动和转动，以使光束能够对准到仪器的穿刺点上，并能够根据穿刺角度进行调整，其中设有一计算机用来产生所检测区域的图像，该计算机配置有一个图像再现装置，借助于可在图中标示的点和角度，计算机根据所选择的标记，通过调节装置自动调节发光系统以及患者台。
在符合本发明的装置中，穿刺针的路径在层析X射线照片中是通过确定穿刺点和目标点来确定的。接下来，路径用穿刺点、穿刺角度和穿刺深度的坐标来表示。穿刺点和穿刺角度通过光束、尤其是通过激光束示出，载有患者的患者台自动地为标示或穿刺而被定位，在光束方向上根据确定的穿刺深度进行穿刺。
下面借助于在图1和图2两图中示出的实施例，对本发明作进一步的说明。
图中示出了一计算机层析X射线照相设备1，它配置有一载有患者的患者台2。计算机层析X射线照相设备1具有一用于发光系统4、尤其是激光源导向的轨道3，该发光系统发射出导向光束5。
在计划图中确定穿刺点和目标点，接下来还可计算出通过这两点的直线与垂线之间的角度。安装成可移动式的发光系统4借助于计划自动定位(转动和平动)，直至光束5显示至所计划的事先划在皮肤上的，穿刺平面的切面标记上。进针时，针头置放在穿刺点上，在此期间，角度变化，直至光束5射至针头的上端。随后，针头被插入在计划图中所测量出的距离，在此需要注意的是，光束5要始终照射到针头上端。最后，针头的位置通过另一CT图来控制。在此，患者台载着患者自动移动。
在图中，用6表示计算机，它根据计算机层析X射线照相设备1的测量装置提供的输出信号，计算出所检测的患者躯体区域的图像，这个图像再显示到监视器7上。该图像用作确定穿刺针的穿刺点和目标点的计划图，所述通过这两点的直线与垂线之间的角度也同时根据计划图被计算出来。计算机6通过调节装置8自动调节发光系统4以及患者台9。

Claims (1)

1.一种对医学检测设备(1)中仪器的预设导向途径进行标示的装置，该检测设备具有一用来发射光束(5)的发光系统(4)，该系统可在轨道(3)上移动和转动，以使光束(5)能够对准到仪器的穿刺点上，并能够根据穿刺角度进行调整，其中设有一计算机(6)用来产生所检测区域的图像，该计算机配置有一个图像再现装置(7)，借助于可在图中标示的点和角度，计算机(6)根据所选择的标记，通过调节装置(8)自动调节发光系统(4)以及患者台(9)。
CNB981055672A 1997-03-13 1998-03-13 用来标示仪器导向路径的装置 Expired - Fee Related CN1151756C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19710493 1997-03-13
DE19801446A DE19801446A1 (de) 1997-03-13 1998-01-16 Vorrichtung und Markierung des Führungsweges eines Instruments
DE19710493.2 1998-01-16
DE19801446.5 1998-01-16

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CN1151756C CN1151756C (zh) 2004-06-02

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