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1. 发明授权

US5305363A Computerized tomographic scanner having a toroidal x-ray tube with a stationary annular anode and a rotating cathode assembly 失效
标题翻译：具有环形X射线管的静电环形阳极和旋转阴极组件的计算机断层扫描仪
公开(公告)号：US5305363A
公开(公告)日：1994-04-19
申请号：US863182
申请日：1992-04-03
申请人： James E. Burke , Lester Miller , Rodney A. Mattson , Carl J. Brunnett , Theodore A. Resnick
发明人： James E. Burke , Lester Miller , Rodney A. Mattson , Carl J. Brunnett , Theodore A. Resnick
IPC分类号： A61B6/00 , A61B6/03 , H01J35/02 , H01J35/06 , H01J35/10 , H01J35/16 , H01J35/24 , H05G1/06 , H05G1/08 , H05G1/20 , H05G1/26 , H05G1/34 , H05G1/52 , H05G1/60 , H05G1/66
CPC分类号： A61B6/035 , A61B6/032 , A61B6/4028 , A61B6/405 , A61B6/4275 , A61B6/4488 , A61B6/482 , A61B6/56 , H01J35/02 , H01J35/06 , H01J35/10 , H01J35/165 , H01J35/24 , H05G1/06 , H05G1/08 , H05G1/20 , H05G1/26 , H05G1/34 , H05G1/52 , H05G1/60 , H05G1/66 , H01J2235/162 , H05G1/025
摘要： A toroidal x-ray tube (I) is supported (II) for rotation about a horizontal axis (170), translation along a vertical axis (172), and translation along a horizontal axis (174). The x-ray tube includes a toroidal housing (A), an annular anode (B), and a cathode (0) which rotates a beam of electrons around the annular anode. A plurality of parallel connected voltage sources (90.sub.1, 90.sub.2, . . . , 90.sub.n) provide a sufficiently high bias voltage between the electron source and the anode that x-rays are generated. The x-ray beam passes through a compensator crystal (62), an annular window (20), a collimator (132), through a subject received in a central bore (26) of the x-ray tube, and impacts an arc segment of radiation detectors (130). The x-ray detectors are stationarily mounted outside of the plane of the annular window (FIGS. 2 and 7), nutate into the plane of the windows opposite of the origin of the x-ray beam (FIG. 6 ), rotate in part (FIG. 9 ) or rotate in full (FIG. 8 ) Angular position monitors (58, 154) determine the angular position of the cathode assembly, hence the x-ray beam, and the angular position of the detectors in the rotating detector embodiment.
摘要翻译：环形X射线管（I）被支撑（II），用于围绕水平轴线（170）旋转，沿着垂直轴线（172）平移并且沿着水平轴线（174）平移。 X射线管包括环形壳体（A），环形阳极（B）和使电子束围绕环形阳极旋转的阴极（0）。多个并联的电压源（901,902，...，90n）在产生x射线的电子源和阳极之间提供足够高的偏置电压。 x射线束穿过受体在X射线管的中心孔（26）中的受试者通过补偿晶体（62），环形窗（20），准直器（132），并且撞击弧段的辐射探测器（130）。 X射线检测器固定地安装在环形窗的平面外（图2和7），并且朝向与X射线束原点相反的窗口的平面（图6）中，部分旋转（图9）或完全旋转（图8）角位置监视器（58,154）确定阴极组件的角度位置，因此确定旋转检测器实施例中的X射线束和检测器的角位置。

2. 发明授权

US5166961A CT scanner having multiple detector widths 失效
标题翻译： CT扫描仪具有多个检测器宽度
公开(公告)号：US5166961A
公开(公告)日：1992-11-24
申请号：US577685
申请日：1990-09-04
申请人： Carl J. Brunnett , Chris J. Vrettos
发明人： Carl J. Brunnett , Chris J. Vrettos
IPC分类号： A61B6/03 , G01T1/29
CPC分类号： A61B6/032 , A61B6/5205 , G01T1/2985
摘要： A CT scanner (10) includes a radiation source (12) mounted for rotation about a scan circle (14). A ring of radiation detectors (30) includes narrow detectors (30.sub.n) and wide detectors (30.sub.w). The narrow and wide detectors are separately sampled (42.sub.n, 42.sub.w) and operated on with different digital filters (50.sub.n, 50.sub.w). The wider detectors have a more limited frequency response (32) which typically includes an out of phase response portion (36); whereas, the output signal from the narrow detetector has a higher frequency response (34), i.e. better resolution. The filters (50.sub.n, 50.sub.w) are selected to yield optimum signal to noise ratio. When the data is merged (60), the resultant data has a modulation transfer function with response (62) which has a higher frequency component or improved resolution relative to response (70) that would be obtained from detectors of uniform width of the average of the narrow and detector widths.
摘要翻译： CT扫描器（10）包括安装成绕扫描圆（14）旋转的辐射源（12）。辐射检测器（30）的环包括窄检测器（30n）和宽检测器（30w）。窄和宽的检测器分别采样（42n，42w），并使用不同的数字滤波器（50n，50w）进行操作。较宽的检测器具有更有限的频率响应（32），其通常包括异相响应部分（36）; 而来自窄检测器的输出信号具有更高的频率响应（34），即更好的分辨率。滤波器（50n，50w）被选择以产生最佳的信噪比。当数据被合并时（60），所得到的数据具有响应（62）的调制传递函数，该响应（62）具有相对于响应（70）具有更高的频率分量或改进的分辨率，该响应将从均匀宽度的检测器窄和检测器宽度。

3. 发明授权

US5159551A Prism architecture for CT scanner image reconstruction 失效
标题翻译：用于CT扫描仪图像重建的PRISM架构
公开(公告)号：US5159551A
公开(公告)日：1992-10-27
申请号：US391425
申请日：1989-08-09
申请人： Carl J. Brunnett , Beverly M. Gocal , Michael M. Kerber , James M. Pexa , Chris J. Vrettos
发明人： Carl J. Brunnett , Beverly M. Gocal , Michael M. Kerber , James M. Pexa , Chris J. Vrettos
IPC分类号： A61B6/03 , A61B5/055 , G06T1/00 , G06T1/20 , G06T11/00
CPC分类号： G06T11/006 , G06T1/20 , G06T2211/428
摘要： An imaging system acquires imaged data from a non-invasive examination of the subject. The data is transferred among various image processing agents on a data bus. A data acquisition agent receives the image data from the non-invasive examination and generates subsequent agent locations and transmits the subsequent agent locations and the packets of image data along the data bus. Various image processing agents each receive packets of data transmitted with that agent's location and performs imaging and processing operations on the data packets generating another agent location and thereafter transmitting the other agent location and process data packets along the data bus. The display agent receives the processed image data packets from one of the image processing agents via the data bus, stores the processed image data packets and communicates the process image data to a man-readable image display.
摘要翻译：成像系统从对象的非侵入性检查获取成像数据。数据在数据总线上的各种图像处理代理之间传送。数据采集代理从非侵入性检查接收图像数据，并产生后续代理位置，并沿数据总线发送后续代理位置和图像数据分组。各种图像处理代理各自接收用该代理的位置发送的数据包，并对生成另一个代理位置的数据包执行成像和处理操作，然后沿数据总线发送其他代理位置和处理数据包。显示代理经由数据总线从图像处理代理之一接收经处理的图像数据分组，存储经处理的图像数据分组，并将处理图像数据传送给人可读图像显示。

4. 发明授权

US4008400A Transverse tomography system having multibeam orbital scanning with all beams offset from the center of orbit 失效
标题翻译：横向断层摄影系统具有多波束轨道扫描，所有波束偏离轨道中心
公开(公告)号：US4008400A
公开(公告)日：1977-02-15
申请号：US635952
申请日：1975-11-28
申请人： Carl J. Brunnett , Jerome R. Cox, Jr. , Donald L. Snyder , Rodney A. Mattson
发明人： Carl J. Brunnett , Jerome R. Cox, Jr. , Donald L. Snyder , Rodney A. Mattson
IPC分类号： A61B6/03 , G01N23/06
CPC分类号： A61B6/4014 , A61B6/032 , A61B6/4488
摘要： A dual axial scanner in a transverse tomography system collects nonredundant data throughout one or more substantially 360.degree. orbital scan paths with uniform motion about a patient. A set of N X-ray beams scans the patient in a manner to allow collection of two sets of non-redundant data corresponding to a pair of 180.degree. scans in each 360.degree. scan. Overall time to conduct the study is decreased, and the number of required accelerations and decelerations of the assemblies is minimized.Adjacent beams of radiation are separated by an angle .alpha., which is one degree in the preferred embodiment to provide a radiation field of ##EQU1## degrees on either side of a center of the radiation field. The source and detector assemblies are positioned prior to the first orbit such that the field center is offset a distance D from a center of orbit lying in the orbital plane. The source and detector assemblies are mounted for rotation through a rotation angle .phi..sub.j about an orbital source axis which passes through the source assembly at a distance d from the center of orbit. While maintaining the offset distance D, the assemblies orbit the patient, and radiation intensity data is collected at predetermined angles .gamma..sub.j of orbit.In one embodiment for doubling the effective field size of the patient scanned, the source and detector assemblies are rotated about the source axis to provide the distance D. From an initial position on the center of orbit, the assemblies are rotated by an offset angle ##EQU2## degrees where R is the number of total orbits selected to constitute a complete study. In another embodiment for single field exposure the source and detector assemblies are rotated by the offset angle .phi. defined substantially by the equation ##EQU3## degrees, where "b" is zero for an odd number N of detectors and is one for an even number N of detectors. For multiorbit studies, the assemblies are rotated between orbits by an amount ##EQU4## degrees depending on the study.
摘要翻译：横向断层摄影系统中的双轴扫描仪在一个或多个基本上360°的轨道扫描路径中收集非冗余数据，并以围绕患者的均匀运动。一组N X射线束以每360度扫描的方式扫描患者，以便收集对应于一对180度扫描的两组非冗余数据。总体来说，进行研究的时间减少了，组件所需的加速度和减速度的数量被最小化。

5. 发明授权

US06963631B2 Dynamic detector interlacing for computed tomography 有权
标题翻译：动态探测器交错计算机断层扫描
公开(公告)号：US06963631B2
公开(公告)日：2005-11-08
申请号：US10280633
申请日：2002-10-25
申请人： Carl J. Brunnett
发明人： Carl J. Brunnett
IPC分类号： A61B6/03 , H05G1/64
CPC分类号： A61B6/032 , A61B6/4021 , A61B6/4085 , A61B6/5205
摘要： A data acquisition system (DAS) (30) for a computed tomography (CT) scanner (12) includes a two-dimensional array (32) of detectors (34) which is arranged to detect x-rays produced by the CT scanner (12). Each detector (34) is divided into two sub-detectors (34a, 34b) along an axial direction (z). A high-speed switching circuit (40) combines selected adjacent sub-detector outputs (34a, 34b), e.g. combining a sub-detector n alternately with sub-detectors (n−1) and (n+1). The high-speed switching circuit (40) switches its configuration between DAS measurements to produce interlaced DAS output signals along the axial direction (z).
摘要翻译：用于计算机断层摄影（CT）扫描器（12）的数据采集系统（DAS）（30）包括检测器（34）的二维阵列（32），其被布置成检测由CT扫描仪（12）产生的x射线）。每个检测器（34）沿着轴向（z）被分成两个子检测器（34a，34b）。高速开关电路（40）组合所选择的相邻子检测器输出（例如，34a，34b）。将子检测器n与子检测器（n-1）和（n + 1）交替地组合。高速开关电路（40）在DAS测量之间切换其配置以产生沿着轴向（z）的隔行DAS输出信号。

6. 发明授权

US4870667A Radiation detector 失效
标题翻译：辐射检测器
公开(公告)号：US4870667A
公开(公告)日：1989-09-26
申请号：US302097
申请日：1989-01-24
申请人： Carl J. Brunnett , Rodney A. Mattson
发明人： Carl J. Brunnett , Rodney A. Mattson
IPC分类号： G01T1/20 , G01T1/202
CPC分类号： G01T1/202 , G01T1/2018
摘要： An improved computed tomography radiation detector is disclosed. One embodiment includes first and second layers of crystalline scintilation material mutually aligned in a path of x-rays to be detected, to receive the x-rays in sequence. The layer upstream in the x-ray path comprises a scintillation material having a relatively high efficiency for converting x-ray energy to light. The downstream one of the layers comprises a scintillation material having a relatively lower efficiency for x-ray/light conversion. A photodiode is positioned to view both scintillation layers simultaneously and to respond to scintillations in either or both. Scintillation crystal material surfaces can be coated with reflective material to enhance the effects of their scintillations. The photodiode thus combines x-ray indicating scintillations from both crystals while in analog form. The detector exhibits enhanced response to lower energy x-rays. Another embodiment comprises a photodiode and an optically coupled scintillation crystal, with the photodiode upstream in the x-ray beam path relative to the crystal.
摘要翻译：公开了一种改进的计算机断层摄影辐射检测器。一个实施例包括在待检测的x射线的路径中相互对准的第一和第二晶体闪烁材料层，以顺序接收x射线。 x射线路径上游的层包括具有将X射线能量转换为光的相对较高效率的闪烁材料。下游层之一包括具有相对较低的x射线/光转换效率的闪烁材料。光电二极管被定位成同时观察两个闪烁层并且在两者之一或两者中对闪烁进行响应。闪烁晶体材料表面可以用反射材料涂覆以增强其闪烁的影响。因此，光电二极管结合来自两个晶体的X射线指示闪烁，同时以模拟形式。检测器对较低能量的X射线表现出增强的响应。另一个实施例包括光电二极管和光耦合闪烁晶体，其中光电二极管相对于晶体在x射线束路径上游。

7. 发明授权

US4791934A Computer tomography assisted stereotactic surgery system and method 失效
标题翻译：计算机断层扫描辅助立体定向手术系统和方法
公开(公告)号：US4791934A
公开(公告)日：1988-12-20
申请号：US894317
申请日：1986-08-07
申请人： Carl J. Brunnett
发明人： Carl J. Brunnett
IPC分类号： A61B6/03 , A61B6/12 , A61B19/00 , A61B6/00
CPC分类号： A61B6/032 , A61B6/12 , A61B6/5235 , A61B90/10 , A61B2090/376 , A61B34/20
摘要： Diagnostic mapping data representing a series of planar slices through a patient are generated by a CT or other multi-plane scanner (A) and stored in an image memory (32). To free the CT or other scanner for other patients, the mapping data and patient are transferred to a second location. At the second location, the patient is restrained in a digital radiographic imaging apparatus (B) in which data representing a shadowgraphic image is generated and stored in a reference memory (60). The transferred mapping data is stored in a second image memory (32') at the second site. A shadowgraphic image synthesizer (70) synthesizes an analogous shadowgraphic image from the diagnostic mapping data in the second image memory taken relative to a selected spatial position and angular orientation. The reference and synthesized shadowgraphic images are superimposed or otherwise concurrently displayed on a video display (64). The spatial position and angular orientation from which the synthesized image is projected are adjusted until an optimal match between the superimposed images is achieved. In this manner, the current actual position of the patient and the diagnostic data in the second image memory are brought into registration. From images representing slices through the patient reconstructed from data in the image memory, the physician plans a point of entry and path through the patient which a surgical instrument (100) is to follow. A surgical instrument guide (90) is positioned such that the surgical instrument enters the patient at the coordinates at the selected point of entry and follows the selected path.
摘要翻译：通过CT或其他多平面扫描仪（A）生成表示通过患者的一系列平面切片的诊断测绘数据，并存储在图像存储器（32）中。为了将CT或其他扫描器用于其他患者，将测绘数据和患者转移到第二位置。在第二位置，患者被约束在其中产生表示阴影图像的数据并存储在参考存储器（60）中的数字放射线照相成像设备（B）中。传送的映射数据被存储在第二站点处的第二映像存储器（32'）中。阴影图像合成器（70）从相对于所选择的空间位置和角度取向拍摄的第二图像存储器中的诊断映射数据合成类似的阴影图像。参考和合成的阴影图像被叠加或以其他方式同时显示在视频显示器上（64）。调整合成图像投影的空间位置和角度取向，直到实现叠加图像之间的最佳匹配。以这种方式，将患者的当前实际位置和第二图像存储器中的诊断数据进行配准。从代表通过图像存储器中的数据重建的患者的切片的图像，医生计划手术器械（100）将跟随的入口点和通过患者的路径。外科器械引导件（90）被定位成使得外科器械在所选择的入口点处的坐标处进入患者，并且沿着所选择的路径。

8. 发明授权

US5003475A Medical imaging system including means to increase data transfer speeds by simultaneously transferring data from latches to registers and from registers to latches 失效
标题翻译：医疗成像系统包括通过将数据从锁存器同时传送到寄存器和从寄存器到锁存器来增加数据传输速度的手段
公开(公告)号：US5003475A
公开(公告)日：1991-03-26
申请号：US276143
申请日：1988-11-25
申请人： Michael M. Kerber , Chris J. Vrettos , Carl J. Brunnett , John Sidoti
发明人： Michael M. Kerber , Chris J. Vrettos , Carl J. Brunnett , John Sidoti
IPC分类号： G06T11/00 , G11C7/10
CPC分类号： G11C7/106 , G06T11/003 , G11C7/1051 , G11C7/1078 , G11C7/1087 , G06T2211/428 , Y10S128/922
摘要： A customized random access memory circuit is provided to allow the processing of extremely high amounts of data in an area of very small physical size. The chip contains a group of interconnected registers with a set of input ports and a set of output ports. The input ports have individual write enable signals to allow them to write to selected address locations. A switching circuit is provided to ensure that the proper data from the proper input port goes to the chosen address location. A first and second set of latches are provided where the first set of latches are connected to a multiplexor first and the second set of latches are connected to a second multiplexor. The chip also contains a cycle skipping chip to allow the data to maintain its position and not be transferred through at least one clock cycle. Selected data sets which are going to be outputted have the data internally swapped to prepare it for use in floating point operations.
摘要翻译：提供了一种定制的随机存取存储器电路，以允许在非常小的物理尺寸的区域中处理极高数量的数据。该芯片包含一组互连的寄存器，具有一组输入端口和一组输出端口。输入端口具有单独的写使能信号，以允许它们写入所选地址位置。提供开关电路以确保来自正确输入端口的适当数据到达所选择的地址位置。提供了第一和第二组锁存器，其中第一组锁存器首先连接到多路复用器，而第二组锁存器连接到第二多路复用器。该芯片还包含一个周期跳过芯片，以允许数据保持其位置，并且不会通过至少一个时钟周期传输。要输出的所选数据集具有内部交换的数据，以准备在浮点运算中使用。

9. 发明授权

US4975843A Parallel array processor with interconnected functions for image processing 失效
标题翻译：具有互连功能的并行阵列处理器，用于图像处理
公开(公告)号：US4975843A
公开(公告)日：1990-12-04
申请号：US276142
申请日：1988-11-25
申请人： Carl J. Brunnett , Beverly M. Gocal , Paul J. Hyland , Michael M. Kerber , James M. Pexa , John Sidoti , Chris J. Vrettos
发明人： Carl J. Brunnett , Beverly M. Gocal , Paul J. Hyland , Michael M. Kerber , James M. Pexa , John Sidoti , Chris J. Vrettos
IPC分类号： A61B6/03 , G06F15/80 , G06T1/00 , G06T1/20
CPC分类号： G06F15/8015 , G06T1/20
摘要： An array processor has been designed in a highly paralleled fashion thereby allowing extremely fast movement of data. Two 32-bit words come out of an internal data memory device. This data is fed into a register file. On the same clock cycle, three 32-bit results are coming out of an arithmetic unit. Those results feed back into the register file. Therefore, on a single clock cycle, five separate pieces of data are going into the register file. In the same clock cycle, other data coming out of the outputs of the register file feed data into two separate floating arithmetic adders and one floating arithmetic multiplier. The design of the present embodiment allows a constant flow of data to be supplied to the arithmetic unit thereby using the arithmetic unit to its maximum functioning ability.
摘要翻译：阵列处理器已经被高度并行设计，从而允许数据的快速移动。一个内部数据存储设备出现两个32位字。该数据被馈送到寄存器文件中。在相同的时钟周期中，三个32位的结果从算术单元出来。这些结果反馈到寄存器文件。因此，在单个时钟周期中，五个单独的数据将进入寄存器文件。在相同的时钟周期中，从寄存器文件输出的其他数据将数据馈送到两个独立的浮动算术加法器和一个浮动算术乘法器。本实施例的设计允许将数据的流量恒定地提供给算术单元，从而使用算术单元达到其最大功能能力。

10. 发明授权

US4752879A Method and apparatus for medical imaging 失效
标题翻译：医学成像方法和装置
公开(公告)号：US4752879A
公开(公告)日：1988-06-21
申请号：US696405
申请日：1985-01-30
申请人： Carl J. Brunnett
发明人： Carl J. Brunnett
IPC分类号： G06T11/00 , G06F15/42
CPC分类号： G06T11/008 , Y10S128/922 , Y10S378/901
摘要： An improved medical diagnostic imaging method and apparatus. In both, Nuclear Magnetic Resonance and Computed Tomography imaging artifacts caused by the finite number of directions from which imaging data is obtained is minimized. An image is constructed and then modified by adjusting each image element with contributions from neighboring picture elements. When all picture elements have been so modified an improved image approximating a result that would have been achieved by interpolating and then reconstructing image data is obtained.
摘要翻译：一种改进的医学诊断成像方法和装置。在两者中，由获得成像数据的有限数量的方向引起的核磁共振和计算机断层摄影伪像被最小化。构建图像，然后通过从相邻图像元素的贡献调整每个图像元素来修改图像。当所有图像元素都被如此修改时，获得了近似通过内插然后重建图像数据而实现的结果的改进图像。

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