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    • 93. 发明申请
    • Motion tracking for medical imaging
    • 运动跟踪医学影像
    • US20050096543A1
    • 2005-05-05
    • US10861268
    • 2004-06-04
    • John JacksonLiexiang FanMatthew HolladayDavid Gustafson
    • John JacksonLiexiang FanMatthew HolladayDavid Gustafson
    • A61B8/08G01S7/52G01S15/89G06T7/20A61B8/00
    • G01S15/8981A61B6/503A61B6/504A61B8/0891A61B8/488A61B8/5276G01S7/52036G01S7/52066G01S7/52071G01S15/8988G06T7/248G06T2207/10132
    • Motion of a region of interest is tracked in medical imaging. For example, velocity information, such as colored Doppler velocity estimates independent of tracking from one image to another image, are used to indicate an amount of motion between the images. The velocity assisted tracking may be used for one dimensional tracking (e.g., for M-mode images), for tracking in two dimensional images, or for tracking between three dimensional representations. As an alternative or additional example, physiological signal information is used to assist in the tracking determination. A physiological signal may be used to model the likely movement of an organ being imaged to control or adjust matching search patterns and limits. The modeling may also be used to independently determine movement or for tracking. The independently determined tracking is then combined with tracking based on medical data or other techniques. The cost function or other metric for determining the sufficiency or a match may include information modeled from or selected as a function of the physiological cycle signal in addition to other matching calculations. The fusion of physiological signal information with image data tracking may improve the tracking.
    • 感兴趣的区域的运动在医学成像中被跟踪。 例如,速度信息,例如独立于从一幅图像到另一幅图像的跟踪的彩色多普勒速度估计,用于指示图像之间的运动量。 速度辅助跟踪可以用于一维跟踪(例如,用于M模式图像),用于在二维图像中跟踪或用于三维表示之间的跟踪。 作为替代或附加示例,使用生理信号信息来辅助跟踪确定。 可以使用生理信号来对被成像的器官的可能运动进行建模,以控制或调整匹配的搜索模式和限制。 建模也可以用于独立地确定运动或跟踪。 然后将独立确定的跟踪与基于医疗数据或其他技术的跟踪组合。 用于确定足够或匹配的成本函数或其他度量可以包括除了其他匹配计算之外,根据生理周期信号建模或选择的信息。 生理信号信息与图像数据跟踪的融合可以改善跟踪。
    • 95. 发明授权
    • Adjustable die for a fluid dispenser and method
    • 用于流体分配器的可调节模具和方法
    • US06688580B2
    • 2004-02-10
    • US09998876
    • 2001-10-31
    • John JacksonLaurence B. Saidman
    • John JacksonLaurence B. Saidman
    • F16K3100
    • B05C5/0258B05C5/0262
    • A die for dispensing a fluid onto a substrate, wherein the die has an movable lip adjacent a fixed lip to form a die opening therebetween. An actuator is mechanically connected to the movable lip and is operable to automatically move the movable lip with respect to the fixed lip in association with a fluid dispensing process, thereby changing a volume of the die opening. The adjustable die is often a slot die and is used with a fluid dispensing valve having an upstream valve ball. The actuator can be an electromechanical actuator such as a piezoelectric actuator or a fluid operated actuator.
    • 用于将流体分配到基底上的模具,其中所述模具具有邻近固定唇缘的可移动唇部,以在其间形成模具开口。 致动器机械地连接到可动唇缘并且可操作以相对于流体分配过程相对于固定唇缘自动移动可动唇缘,从而改变模具开口的体积。 可调模具通常是槽模,并且与具有上游阀球的流体分配阀一起使用。 致动器可以是诸如压电致动器或流体操作致动器的机电致动器。
    • 98. 发明授权
    • Apparatus for monitoring physiological parameters
    • 用于监测生理参数的装置
    • US4966155A
    • 1990-10-30
    • US437323
    • 1989-11-17
    • John Jackson
    • John Jackson
    • A61B5/08A61B5/11A61B5/113A61B5/22
    • A61B5/222A61B5/1135
    • An apparatus is disclosed for monitoring physiological parameters comprising a harness adapted to be worn by a human being and electrical circuitry connected to the harness for calculating physiological parameters in accordance with predetermined algorithms. The harness includes a band which extends around a trunk portion of the human being. The band comprises an inelastic portion and an elastic portion. The elastic portion incorporates an electro-conductive elastomeric means which has a resistance value which changes as a function of elongation of the elastic portion. The electrical circuitry connected to the elastomeric element calculates and displays various physiological parameters.
    • 公开了一种用于监测生理参数的装置,其包括适于由人类佩戴的线束和连接到线束的电路,用于根据预定算法计算生理参数。 线束包括围绕人的躯干部分延伸的带。 带包括非弹性部分和弹性部分。 弹性部分包括导电弹性体装置,其具有作为弹性部分的伸长率的函数而变化的电阻值。 连接到弹性体元件的电路计算和显示各种生理参数。
    • 99. 发明授权
    • Radiation detector arrangements and methods
    • 辐射探测器的布置和方法
    • US4853538A
    • 1989-08-01
    • US224108
    • 1988-07-26
    • John Jackson
    • John Jackson
    • G01J1/02G01J5/20G01J5/22G01T1/12H01L31/09
    • G01J5/22G01J2005/202
    • Infrared, mm-wave or other radiation (100) is detected with at least one detector element in the form of a temperature-sensitive resistor (1) having a high positive temperature coefficient, e.g. 100 micro-ohm.multidot.cm.multidot.K.sup.-1. A sufficiently high voltage V is applied across the resistor (1) by means of a circuit (Vb,T1) so that, in accordance with the invention, the resistor (1) passes a sufficient current (I) as to raise its temperature by Joule heating to a position at which a further increase in its temperature in response to incident radiation (100) reduces the Joule heating by reducing the current (I), thereby stabilizing the temperature of the resistor (1). This varying current (I) through the resistor (1) is measured (e.g. as a voltage V' by means of a transconductance amplifier A) to provide a signal indicative of the power of the incident radiation (100). The change in the Joule heating produced by a change in the temperature of the resistor (1) at this position is larger (e.g. more than 10 times larger) than a change in power of the incident radiation (100) required to produce that same change in temperature of the resistor (1) in the absence of any change in Joule heating. As a result of this internal stabilization of its temperature due to the changes in Joule heating, the detector element (1) has a short time constant for response, and thermal cross-talk problems do not arise for an array of the detector elements (1) sharing a common body of the resistance material. The resistance material may be, e.g., a semiconducting barium titanate operated around or above ambient temperature, or an oxygen-deficient mixed oxide of barium, copper and yttrium which is superconducting when cooled below its high positive temperature coefficient. The resistor(s) may be mounted on a semiconductor circuit, possibly on a cryogenic cooler.
    • 100. 发明授权
    • Apparatus and method for monitoring bone-fracture union
    • 用于监测骨折愈合的装置和方法
    • US4649933A
    • 1987-03-17
    • US649820
    • 1984-09-12
    • John Jackson
    • John Jackson
    • A61B5/00A61B5/103A61B10/00A61B17/58A61F13/04A61B5/10
    • A61B5/4504A61B17/58A61B5/1036A61B5/6892A61F13/041
    • A system for monitoring bone union at a bone fracture (13) comprises a fracture cast sleeve (15) to the external surface of which is bonded a transducer (16). Transducer (16) is electrically-conductive and has an electrical resistance which varies with elastic extension and contraction of the transducer. The output of transducer (16) is applied via a resistance-sensitive network (18) to a data evaluating device (20) arranged to normalize signals received from transducer (16) with respect to the time interval during which that signal appears since the signal is of an impulse nature depending upon the rate at which the force is applied to the fracture (13). The normalized signal is further normalized having regard to the mass of the limb concerned and a plurality of such signals are stored in store (30) together with a data log from date data device (32) and these signals are fed to a trend evaluator (34) in order to predict the time interval before bone union occurs.
    • 用于监测骨折处(13)骨结合的系统包括一个破裂铸造套管(15),其外表面与传感器(16)结合。 传感器(16)是导电的并且具有随传感器的弹性伸缩而变化的电阻。 传感器(16)的输出经由电阻敏感网络(18)施加到数据评估装置(20),数据评估装置(20)被布置为相对于从该信号出现的时间间隔标准化从换能器(16)接收的信号 具有脉冲性质,取决于施加到裂缝上的力的速率(13)。 考虑到有关肢体的质量,归一化信号被进一步归一化,并且多个这样的信号与来自日期数据装置(32)的数据记录一起存储在存储器(30)中,并且这些信号被馈送到趋势评估器 34)以预测骨结合发生之前的时间间隔。