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公开(公告)号：US5841653A
公开(公告)日：1998-11-24
申请号：US250986
申请日：1994-05-27
申请人： Leonard Reiffel , Wayne D Jung , Thomas Rosevear , Thomas Jakobs
发明人： Leonard Reiffel , Wayne D Jung , Thomas Rosevear , Thomas Jakobs
CPC分类号： G06F3/041 , G06F3/0346 , G06F3/03545 , G06F3/044
摘要： An improved high resolution method and apparatus are described for sensing and determining the spatial coordinates of a movable object with respect to a energized conductive surface. The coordinates of the object are precisely measured with respect to a two-dimensional coordinate system independent of the third orthogonal dimension, thereby avoiding significant measurement errors due to variations of the object position in the third orthogonal dimension. The system also ascertains the coordinate position of the object in this third dimension, which can then be utilized as an independent control variable in the system. Further, the system can accommodate a number of energized conductive surfaces over which the object may be positioned and can determine the spatial coordinates of the object with respect to any such surface. In general, the system of the present invention can ascertain the generalized n-tuple position vector of the object with respect to each of a plurality of generalized, energized conductive surfaces. In any of the foregoing forms, the energized conductive surfaces can be transparent. The system described improves the precision and accuracy of the location of the selected point and hence the precision and accuracy of the spatial coordinates calculated by the system for display. The improvement in system performance is the result of innovations in fundamental design concepts utilized throughout the system.
摘要翻译： 描述了一种改进的高分辨率方法和装置，用于感测和确定可移动物体相对于通电导电表面的空间坐标。 相对于与第三正交尺寸无关的二维坐标系精确地测量物体的坐标，从而避免由于第三正交维度中的物体位置的变化引起的显着的测量误差。 该系统还确定该第三维度中物体的坐标位置，然后可以将其用作系统中的独立控制变量。 此外，该系统可以容纳多个通电的导电表面，物体可以在其上定位，并且可以确定物体相对于任何这样的表面的空间坐标。 通常，本发明的系统可以相对于多个通用的通电导电表面中的每一个来确定物体的广义n元组位置矢量。 在任何上述形式中，通电的导电表面可以是透明的。 所描述的系统提高了所选点的位置的精度和精度，并因此提高了由系统显示的空间坐标的精度和精度。 系统性能的提高是整个系统中使用的基础设计概念的创新的结果。
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公开(公告)号：US5317502A
公开(公告)日：1994-05-31
申请号：US996734
申请日：1992-12-24
申请人： Leonard Reiffel , Wayne D. Jung , Thomas Rosevear , Thomas Jakobs
发明人： Leonard Reiffel , Wayne D. Jung , Thomas Rosevear , Thomas Jakobs
CPC分类号： G06F3/041 , G06F3/0346 , G06F3/03545 , G06F3/044
摘要： An improved high resolution method and apparatus are described for sensing and determining the spatial coordinates of a movable object with respect to a energized conductive surface. The coordinates of the object are precisely measured with respect to a two-dimensional coordinate system independent of the third orthogonal dimension, thereby avoiding significant measurement errors due to variations of the object position in the third orthogonal dimension. The system also ascertains the coordinate position of the object in this third dimension, which can then be utilized as an independent control variable in the system. Further, the system can accommodate a number of energized conductive surfaces over which the object may be positioned and can determine the spatial coordinates of the object with respect to any such surface. In general, the system of the present invention can ascertain the generalized n-tuple position vector of the object with respect to each of a plurality of generalized, energized conductive surfaces. In any of the foregoing forms, the energized conductive surfaces can be transparent. The system described improves the precision and accuracy of the location of the selected point and hence the precision and accuracy of the spatial coordinates calculated by the system for display. The improvement in system performance is the result of innovations in fundamental design concepts utilized throughout the system.
摘要翻译： 描述了一种改进的高分辨率方法和装置，用于感测和确定可移动物体相对于通电导电表面的空间坐标。 相对于与第三正交尺寸无关的二维坐标系精确地测量物体的坐标，从而避免由于第三正交维度中的物体位置的变化引起的显着的测量误差。 该系统还确定该第三维度中物体的坐标位置，然后可以将其用作系统中的独立控制变量。 此外，该系统可以容纳多个通电的导电表面，物体可以在其上定位，并且可以确定物体相对于任何这样的表面的空间坐标。 通常，本发明的系统可以相对于多个通用的通电导电表面中的每一个来确定物体的广义n元组位置矢量。 在任何上述形式中，通电的导电表面可以是透明的。 所描述的系统提高了所选点的位置的精度和精度，并因此提高了由系统显示的空间坐标的精度和精度。 系统性能的提高是整个系统中使用的基础设计概念的创新的结果。
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公开(公告)号：US5251123A
公开(公告)日：1993-10-05
申请号：US746285
申请日：1991-08-13
申请人： Leonard Reiffel , Wayne D. Jung , Thomas Rosevear , Thomas Jakobs
发明人： Leonard Reiffel , Wayne D. Jung , Thomas Rosevear , Thomas Jakobs
CPC分类号： G06F3/041 , G06F3/0346 , G06F3/03545 , G06F3/044
摘要： An improved high resolution method and apparatus are described for sensing and determining the spatial coordinates of a movable object with respect to a energized conductive surface. The coordinates of the object are precisely measured with respect to a two-dimensional coordinate system independent of the third orthogonal dimension, thereby avoiding significant measurement errors due to variations of the object position in the third orthogonal dimension. The system also ascertains the coordinate position of the object in this third dimension, which can then be utilized as an independent control variable in the system. Further, the system can accommodate a number of energized conductive surfaces over which the object may be positioned and can determine the spatial coordinates of the object with respect to any such surface. In general, the system of the present invention can ascertain the generalized n-tuple position vector of the object with respect to each of a plurality of generalized, energized conductive surfaces. In any of the foregoing forms, the energized conductive surfaces can be transparent. The system described improves the precision and accuracy of the location of the selected point and hence the precision and accuracy of the spatial coordinates calculated by the system for display. The improvement in system performance is the result of innovations in fundamental design concepts utilized throughout the system.
摘要翻译： 描述了一种改进的高分辨率方法和装置，用于感测和确定可移动物体相对于通电导电表面的空间坐标。 相对于与第三正交尺寸无关的二维坐标系精确地测量物体的坐标，从而避免由于第三正交维度中的物体位置的变化引起的显着的测量误差。 该系统还确定该第三维度中物体的坐标位置，然后可以将其用作系统中的独立控制变量。 此外，该系统可以容纳多个通电的导电表面，物体可以在其上定位，并且可以确定物体相对于任何这样的表面的空间坐标。 通常，本发明的系统可以相对于多个通用的通电导电表面中的每一个来确定物体的广义n元组位置矢量。 在任何上述形式中，通电的导电表面可以是透明的。 所描述的系统提高了所选点的位置的精度和精度，并因此提高了由系统显示的空间坐标的精度和精度。 系统性能的提高是整个系统中使用的基础设计概念的创新的结果。
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公开(公告)号：US06175773B1
公开(公告)日：2001-01-16
申请号：US09200425
申请日：1998-11-23
申请人： Leonard Reiffel , Wayne D Jung , Thomas Rosevear , Thomas Jakobs
发明人： Leonard Reiffel , Wayne D Jung , Thomas Rosevear , Thomas Jakobs
IPC分类号： G05B1918
CPC分类号： G06F3/041 , G06F3/0346 , G06F3/03545 , G06F3/044
摘要： An improved high resolution method and apparatus are described for sensing and determining the spatial coordinates of a movable object with respect to a energized conductive surface. The coordinates of the object are precisely measured with respect to a two-dimensional coordinate system independent of the third orthogonal dimension, thereby avoiding significant measurement errors due to variations of the object position in the third orthogonal dimension. The system also ascertains the coordinate position of the object in this third dimension, which can then be utilized as an independent control variable in the system. Further, the system can accommodate a number of energized conductive surfaces over which the object may be positioned and can determine the spatial coordinates of the object with respect to any such surface. In general, the system of the present invention can ascertain the generalized n-tuple position vector of the object with respect to each of a plurality of generalized, energized conductive surfaces. In any of the foregoing forms, the energized conductive surfaces can be transparent. The system described improves the precision and accuracy of the location of the selected point and hence the precision and accuracy of the spatial coordinates calculated by the system for display. The improvement in system performance is the result of innovations in fundamental design concepts utilized throughout the system.
摘要翻译： 描述了一种改进的高分辨率方法和装置，用于感测和确定可移动物体相对于通电导电表面的空间坐标。 相对于与第三正交尺寸无关的二维坐标系精确地测量物体的坐标，从而避免由于第三正交维度中的物体位置的变化引起的显着的测量误差。 该系统还确定该第三维度中物体的坐标位置，然后可以将其用作系统中的独立控制变量。 此外，该系统可以容纳多个通电的导电表面，物体可以在其上定位，并且可以确定物体相对于任何这样的表面的空间坐标。 通常，本发明的系统可以相对于多个通用的通电导电表面中的每一个来确定物体的广义n元组位置矢量。 在任何上述形式中，通电的导电表面可以是透明的。 所描述的系统提高了所选点的位置的精度和精度，并因此提高了由系统显示的空间坐标的精度和精度。 系统性能的提高是整个系统中使用的基础设计概念的创新的结果。
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公开(公告)号：US5870450A
公开(公告)日：1999-02-09
申请号：US882747
申请日：1997-06-26
CPC分类号： A61B6/4464 , A61B6/4283 , A61B6/467 , A61B6/547 , A61B6/548 , A61B6/588 , H05G1/64
摘要： A universal radiographic/fluoroscopic room includes a digital imaging platform adapted to occupy operating and non-operating positions. A park function automatically moves the digital imaging platform between the operating and non-operating positions without requiring operator effort. The digital imaging platform has local and remote control panels having substantially duplicate functions. The remote control panel allows the operator to control operation of the digital imaging platform from a location shielded from X-ray exposure. Methods and apparatus are provided to ensure safe, predictable, and consistent operation from all control panels. The operator selects any available operating mode, including auto-bucky, auto-wall, auto-table, auto-table/wall, servo-tomo, conventional stepping, stepped-digital, auto-step, and auto-step-center modes, using a control panel. The control system automatically determines which system components are required to perform that type of examination, moves the components into operational or storage positions as required, and prepares each component for operation.
摘要翻译： 通用射线照相/透视室包括适于占据操作和非操作位置的数字成像平台。 停放功能可自动将数字成像平台移动到操作位置和非操作位置之间，而无需操作人员的努力。 数字成像平台具有基本上重复的功能的本地和远程控制面板。 遥控面板允许操作者从屏蔽X射线曝光的位置控制数字成像平台的操作。 提供了方法和设备，以确保所有控制面板的安全，可预测和一致的操作。 操作员选择任何可用的操作模式，包括自动平衡，自动墙，自动表，自动桌面/墙壁，伺服断层扫描，常规步进，步进数字，自动步进和自动分步中心模式， 使用控制面板。 控制系统自动确定执行该类型检查需要哪些系统组件，并根据需要将组件移动到操作或存储位置，并准备每个组件进行操作。
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公开(公告)号：US5734694A
公开(公告)日：1998-03-31
申请号：US728082
申请日：1996-10-09
CPC分类号： A61B6/4464 , A61B6/4283 , A61B6/467 , A61B6/547 , A61B6/548 , A61B6/588 , H05G1/30
摘要： A universal radiographic apparatus that allows an operator to select between conventional radiographic mode and linear tomographic mode. In conventional radiographic mode of operation, several automatic modes are provided. An x-ray tube mounted to a tube crane positioned above an elevating table can be accurately controlled in longitudinal and vertical movement, as well as in x-ray tube angulation. In linear tomographic mode, a table bucky is moved laterally in opposition to movement of the tube crane, with angulation keeping the tube aimed at the bucky. In conventional radiographic mode, the system supports an auto bucky mode, where the table bucky automatically tracks tubecrane motion, or an auto table mode, where the tube crane tracks table vertical motion to maintain a fixed SID. In an auto wall mode, the tube crane tracks vertical movement of an associated wall bucky.
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公开(公告)号：US5768336A
公开(公告)日：1998-06-16
申请号：US728884
申请日：1996-10-11
CPC分类号： A61B6/4476 , A61B6/00 , A61B6/0457 , A61B6/4283 , A61B6/4464 , A61B6/547 , A61B6/588 , H05G1/60 , H05G1/64 , A61B6/467
摘要： A universal radiographic/fluoroscopic "room" is constructed according to the present invention by combining a versatile group of X-ray examination system components, electrical and mechanical drive components, and sensing components, under the supervision of a flexible control system, to form a universal diagnostic medical imaging system capable of performing radiographic, fluoroscopic, tomographic, and stepped examinations in several different operator-selectable configurations. The operator selects any available operating mode, including auto-bucky, auto-wall, auto-table, auto-table/wall, servo-tomo, conventional stepping, stepped-digital, auto-step, and auto-step-center modes, using a a control panel. The control system automatically determines which system components are required to perform that type of examination, moves the components into operational or storage positions as required, and prepares each component for operation. The operator need not manually reconfigure the equipment. In "stepped-digital" modes useful for peripheral angiography, an under-table X-ray tube and over-table image intensifier execute a series of radiographic exposures at preselected locations. The digital imaging platform is moved while the patient remains stationary. This reduces motion artifacts. For each step, a test fluoroscopic exposure is performed under automatic brightness control to determine an optimum technique. The technique so determined is converted for use in a subsequent radiographic exposure. The operator observes the flow of the contrast medium during the test fluoroscopic exposure and commands the radiographic exposure when the contrast medium arrives at the desired position in the image. Alternatively, the control system may detect the presence of the contrast medium in the image by comparing a change in image contrast with a previously observed threshold change.
摘要翻译： 根据本发明，通过在柔性控制系统的监督下组合通用组的X射线检查系统部件，电气和机械驱动部件以及感测部件来构造通用射线照相/透视“房间”，以形成 通用诊断医学成像系统能够在几种不同的操作者可选择的配置中进行射线照相，荧光镜，断层扫描和阶梯式检查。 操作员选择任何可用的操作模式，包括自动平衡，自动墙，自动表，自动桌面/墙壁，伺服断层扫描，常规步进，步进数字，自动步进和自动分步中心模式， 使用控制面板。 控制系统自动确定执行该类型检查需要哪些系统组件，并根据需要将组件移动到操作或存储位置，并准备每个组件进行操作。 操作员无需手动重新配置设备。 在用于外周血管造影的“步进数字”模式中，下表X射线管和超表面图像增强器在预选位置执行一系列放射照相曝光。 数字成像平台在患者保持静止时移动。 这减少了运动伪影。 对于每个步骤，在自动亮度控制下进行测试荧光透视以确定最佳技术。 如此确定的技术被转换用于随后的射线照相曝光。 操作者在测试荧光透视曝光期间观察造影剂的流动，并且当造影剂到达图像中的期望位置时命令放射照相曝光。 或者，控制系统可以通过将图像对比度的变化与先前观察到的阈值变化进行比较来检测图像中的造影剂的存在。
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公开(公告)号：US5917882A
公开(公告)日：1999-06-29
申请号：US753772
申请日：1996-11-29
申请人： Oscar Khutoryansky , Thomas Rosevear , Cyril Tomsic , Yevgeniy Maltsev , Thomas Simak , James Taylor
发明人： Oscar Khutoryansky , Thomas Rosevear , Cyril Tomsic , Yevgeniy Maltsev , Thomas Simak , James Taylor
IPC分类号： A61B5/11 , A61B6/00 , A61B6/02 , A61B6/04 , A61B6/08 , H05G1/46 , H05G1/58 , H05G1/60 , H05G1/64
CPC分类号： A61B6/504 , A61B6/08 , A61B6/4225 , A61B6/4233 , A61B6/481 , A61B6/541 , A61B6/542 , H05G1/46 , H05G1/58 , H05G1/60 , A61B5/11 , A61B6/0457 , A61B6/4464 , A61B6/4488
摘要： A radiographic/fluoroscopic imaging system provides rapid transition from fluoroscopic to radiographic imaging mode by maintaining the X-ray tube high voltage, increasing the filament current, allowing X-ray tube current to increase toward the desired radiographic current, and terminating exposure when the desired X-ray dose has been achieved. Rapid transition from radiographic to fluoroscopic imaging mode is provided by reducing x-ray tube high voltage to produce an equivalent fluoroscopic-level x-ray output at high initial current, dropping filament current, and enabling ABS control of the high-voltage. As x-ray tube current drops, ABS correspondingly increase high voltage to maintain the desired output. The imaging system obtains movement-related information by analyzing a video signal (such as from fluoroscopic image or an image from an optical camera trained on the patient), or from operator movement requests. The imaging system uses movement-related information to responsively control fluoroscopic pulse rate or other imaging parameters. The imaging system can also use such information to initiate a radiographic exposure, or advance to the next step of an operator programmed examination consisting of interspersed fluoroscopic and radiographic exposures. This results in a lower dose to both the patient and the examiner, consistent with high image quality.
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公开(公告)号：US5751788A
公开(公告)日：1998-05-12
申请号：US729989
申请日：1996-10-11
CPC分类号： A61B6/4476 , A61B6/00 , A61B6/0457 , A61B6/4283 , A61B6/4464 , A61B6/547 , A61B6/588 , H05G1/60 , H05G1/64 , A61B6/467
摘要： A universal radiographic/fluoroscopic "room" is constructed according to the present invention by combining a versatile group of X-ray examination system components, electrical and mechanical drive components, and sensing components, under the supervision of a flexible control system, to form a universal diagnostic medical imaging system capable of performing radiographic, fluoroscopic, tomographic, and stepped examinations in several different operator-selectable configurations. The operator selects any available operating mode, including auto-bucky, auto-wall, auto-table, auto-table/wall, servo-tomo, conventional stepping, stepped-digital, auto-step, and auto-step-center modes, using a a control panel. The control system automatically determines which system components are required to perform that type of examination, moves the components into operational or storage positions as required, and prepares each component for operation. The operator need not manually reconfigure the equipment. In "stepped-digital" modes useful for peripheral angiography, an under-table X-ray tube and over-table image intensifier execute a series of radiographic exposures at preselected locations. The digital imaging platform is moved while the patient remains stationary. This reduces motion artifacts. For each step, a test fluoroscopic exposure is performed under automatic brightness control to determine an optimum technique. The technique so determined is converted for use in a subsequent radiographic exposure. The operator observes the flow of the contrast medium during the test fluoroscopic exposure and commands the radiographic exposure when the contrast medium arrives at the desired position in the image. Alternatively, the control system may detect the presence of the contrast medium in the image by comparing a change in image contrast with a previously observed threshold change.
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10.发明授权Method and apparatus for controlling and optimizing output of an x-ray source 失效用于控制和优化x射线源的输出的方法和装置
公开(公告)号：US5680430A
公开(公告)日：1997-10-21
申请号：US636565
申请日：1996-04-23
摘要： A method for controlling output of an x-ray source to optimize x-ray energy arriving at an associated x-ray receptor during linear tomographic examination. The method comprises the steps of selecting tomographic sweep parameters, predicting a set of x-ray source control parameters based, at least in part, upon the selected tomographic sweep parameters, and controlling x-ray source output in accordance with the set of x-ray source control parameters to optimize x-ray energy arriving at the associated x-ray receptor. Apparatus for controlling output of an x-ray source is also disclosed.
摘要翻译： 用于控制x射线源的输出以在线性层析成像检查期间优化到达相关X射线受体的x射线能量的方法。 该方法包括以下步骤：至少部分地基于所选择的断层扫描参数来选择层析扫描参数，预测一组x射线源控制参数，以及根据x- 射线源控制参数以优化到达相关联的X射线受体的X射线能量。 还公开了用于控制x射线源的输出的装置。
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