公开(公告)号：US06986585B1

公开(公告)日：2006-01-17

申请号：US10978887

申请日：2004-11-01

申请人： George R. Neil ,  John Wickham Rathke ,  Thomas John Schultheiss ,  Michelle D. Shinn ,  Lawrence A. Dillon-Townes

发明人： George R. Neil ,  John Wickham Rathke ,  Thomas John Schultheiss ,  Michelle D. Shinn ,  Lawrence A. Dillon-Townes

IPC分类号： G02B5/08

CPC分类号： G02B7/1815 ,  G02B5/10 ,  G02B26/0825

摘要： A controlled radius of curvature mirror assembly comprising: a distortable mirror having a reflective surface and a rear surface; and in descending order from the rear surface; a counter-distortion plate; a flow diverter having a flow diverter aperture at the center thereof; a flow return plate having a flow return aperture at the center thereof; a thermal isolation plate having a thermal isolation plate aperture at the center thereof and a flexible heater having a rear surface and a flexible heater aperture at the center thereof; a double walled tube defining a coolant feed chamber and a coolant return chamber; said coolant feed chamber extending to and through the flow diverter aperture and terminating at the counter-distortion plate and the coolant return chamber extending to and through the thermal isolation backplate and terminating at the flow diverter; and a coolant feed and a coolant return exit at the rear of said flexible heater.

摘要翻译： 一种受控的曲率半球镜组件，包括：具有反射表面和后表面的可变形反射镜; 并从后表面降序; 反变形板; 分流器在其中心处具有流量分配器孔; 回流板在其中心具有回流孔; 在其中心具有热隔离板孔的热隔离板和在其中心处具有后表面和柔性加热器孔的柔性加热器; 限定冷却剂供给室和冷却剂返回室的双壁管; 所述冷却剂供给室延伸到并通过所述分流器孔并终止在所述逆变形板处，并且所述冷却剂返回室延伸到并穿过所述热隔离背板并终止于所述分流器; 以及在所述柔性加热器的后部的冷却剂进料和冷却剂返回出口。

公开(公告)号：US5395393A

公开(公告)日：1995-03-07

申请号：US901644

申请日：1992-06-22

申请人： John Wickham

发明人： John Wickham

IPC分类号： A61N1/365 ,  A61N1/39 ,  A61N1/36 ,  A61N1/362 ,  A61N1/368

CPC分类号： A61N1/3962 ,  A61N1/365

摘要： An implantable cardioverter/defibrillator device having an improved sensing system for automatically and rapidly adjusting to changing amplitudes of intracardiac electrogram "ICEG" signals during transitions between normal sinus rhythm and ventricular tachycardia/ventricular fibrillation of a patient's heart is disclosed. ICEG signals are sensed, amplified and filtered to remove high frequency and low frequency noise and artifacts therefrom. Crossings of positive and negative threshold levels by the filtered signals are detected and corresponding positive and negative output signals representative thereof are provided. The positive and negative threshold levels are varied in accordance with corresponding variations of fractions of the levels of the filtered signals so that the positive and negative threshold levels move independently of one another in response to changes in the levels of the filtered signals; and, the positive and negative output signals generated during each heart beat are rationalized so that only one output signal is provided per heart beat.

摘要翻译： 公开了具有改进的感测系统的植入式心律转复器/除颤器装置，用于在患者心脏的正常窦性心律和室性心动过速/心室颤动之间的过渡期间自动且快速地调节心内电描记图“ICEG”信号的变化幅度。 ICEG信号被感测，放大和滤波以去除高频和低频噪声及其伪影。 检测由滤波后的信号产生的正和负阈值电平的交叉，并提供相应的表示其的正，负输出信号。 正和负阈值电平根据滤波信号的电平的分数的相应变化而变化，使得正和负阈值电平响应于滤波信号的电平的变化而彼此独立地移动; 并且在每个心跳期间产生的正和负输出信号被合理化，使得每个心跳仅提供一个输出信号。

公开(公告)号：US4103977A

公开(公告)日：1978-08-01

申请号：US835191

申请日：1977-09-21

申请人： David John Wickham

发明人： David John Wickham

IPC分类号： B60T15/42

CPC分类号： B60T15/42

摘要： A continuous quick service device is proposed for use in conjunction with a direct release brake controlling triple valve and which, while not interfering with the emergency valve operation, operates by employing quick action chamber air both as a reference against which brake pipe pressure reductions are detected and as a source of air to operate a pressure responsive device in a reciprocating manner to discharge pulses of air from a reducing brake pipe to afford quick service operation of the triple valve both for initial application from a brakes released condition and for subsequent brake pipe pressure reductions giving rise to increased brake applications. A relay valve serves to operate the pressure responsive device to provide additional sensitivity.

摘要翻译： 提出了一种连续快速维修装置，用于与直接释放制动控制三重阀结合使用，并且在不干扰紧急阀操作的情况下，通过采用快速动作室空气作为检测制动管压力降低的参考来进行操作 并且作为空气源，以往复方式操作压力响应装置，以从减压制动管排出空气的脉冲，以提供三重阀的快速使用操作，以便从制动器释放状态和随后的制动管压力初始施加 减少引起制动应用的增加。 继动阀用于操作压力响应装置以提供额外的灵敏度。

公开(公告)号：US4095850A

公开(公告)日：1978-06-20

申请号：US810723

申请日：1977-06-28

申请人： David John Wickham

发明人： David John Wickham

IPC分类号： B60T15/52

CPC分类号： B60T15/52

摘要： An accelerated release valve is proposed for brake control valves, especially direct release triple valves, the accelerated release being triggered by rapid collapse or discharge of quick service volume pressure at commencement of a brake releasing mode.

摘要翻译： 提出了一种用于制动控制阀，特别是直接释放三重阀的加速释放阀，通过在制动释放模式开始时快速塌缩或快速使用体积压力的释放来触发加速释放。

公开(公告)号：US4050745A

公开(公告)日：1977-09-27

申请号：US638463

申请日：1975-12-08

申请人： David John Wickham

发明人： David John Wickham

IPC分类号： B60T15/52

CPC分类号： B60T15/52

摘要： A fluid operable brake control valve apparatus is provided which includes a brake cylinder valve for controlling the supply of fluid pressure into and out of a brake cylinder. The valve is operable by a main pressure responsive member moveable in response to changes in pressure when applied to a brake pipe. A quick service valve is operable in response to such a change tending to cause a brake application for connecting a quick service volume to the brake pipe to enhance the change at commencement of an application. An accelerated release valve device is operable in response to release of fluid pressure from the quick service volume to connect a charged accelerated release reservoir to the brake pipe to assist a change of pressure in the brake pipe causing such a release.

摘要翻译： 提供了一种流体可操作的制动控制阀装置，其包括用于控制进入和离开制动缸的流体压力供应的制动缸阀。 所述阀可由主压力响应构件操作，所述主压力响应构件响应于施加到制动管上时的压力变化而可移动。 响应于这样的改变，快速维修阀可操作以趋向于引起用于将快速服务容积连接到制动管的制动应用，以增强应用开始时的变化。 加速释放阀装置可响应于来自快速使用体积的流体压力的释放而操作，以将带电的加速释放储存器连接到制动管，以帮助制动管中的压力改变导致这种释放。

公开(公告)号：US5492128A

公开(公告)日：1996-02-20

申请号：US328695

申请日：1994-10-25

申请人： John Wickham

发明人： John Wickham

IPC分类号： A61N1/365 ,  A61N1/39 ,  A61B5/04

CPC分类号： A61N1/3962 ,  A61N1/365

摘要： An implantable cardioverter/defibrillator device having an improved sensing system for automatically and rapidly adjusting to changing amplitudes of intracardiac electrogram "ICEG" signals during transitions between normal sinus rhythm and ventricular tachycardia/ventricular fibrillation of a patient's heart is disclosed. ICEG signals are sensed, amplified and filtered to remove high frequency and low frequency noise and artifacts therefrom. Crossings of positive and negative threshold levels by the filtered signals are detected and corresponding positive and negative output signals representative thereof are provided. The positive and negative threshold levels are varied in accordance with corresponding variations of fractions of the levels of the filtered signals so that the positive and negative threshold levels move independently of one another in response to changes in the levels of the filtered signals; and, the positive and negative output signals generated during each heart beat are rationalized so that only one output signal is provided per heart beat.

公开(公告)号：US4043606A

公开(公告)日：1977-08-23

申请号：US664873

申请日：1976-03-08

申请人： David John Wickham

发明人： David John Wickham

IPC分类号： B60T15/52 ,  B60T17/04

CPC分类号： B60T15/52

摘要： A railway air brake pipe pressure gradient reduction arrangement, wherein pressure gradients along the pipe indicative of a brake pipe pressure fall activate a valve arrangement to temporarily vent the pipe and so speed the brake applying pressure reduction. A further valve arrangement is included for inhibiting venting when a pressure gradient is present due to a pressure rise.

摘要翻译： 铁路空气制动管压力梯度减小装置，其中沿着管道的指示制动管压力下降的压力梯度启动阀装置以临时排出管道，并且因此加速制动器施加压力降低。 包括另外的阀装置，用于当由于压力升高而存在压力梯度时抑制排气。

公开(公告)号：US3948083A

公开(公告)日：1976-04-06

申请号：US537663

申请日：1974-12-31

申请人： David John Wickham

发明人： David John Wickham

IPC分类号： B60T13/26 ,  B60T17/22 ,  G01F1/34 ,  G01M3/28

CPC分类号： G01F1/34 ,  B60T13/26 ,  B60T17/228 ,  G01M3/2807

摘要： A fluid pressure comparison apparatus including a pressure responsive member displaceable by the difference between two pressure sources being compared to vent fluid from one of the sources, when its pressure is greater than the other, through a port whose aperture is varied by the displacement of the pressure responsive member. The flow of vented fluid is measured in one of many possible ways to determine the excess pressure. The measurement may be displayed on an indicator or applied to control associated equipment. Various arrangements embodying the apparatus may be used for flow indication, flow control, leakage detection and indication and as warning or control equipment. The pressure responsive member is shown as a nylon reinforced rubber diaphragm but the nature of the member will depend on the absolute as well as the relative values of the pressures compared.

摘要翻译： 流体压力比较装置包括压力响应构件，该压力响应构件可通过两个压力源之间的差异而被移动，其压力来自其中一个源的泄放流体，当其压力大于另一个时，通过其孔径由 压力响应构件。 以许多可能的方式之一测量排出的流体的流量以确定过量的压力。 测量可以显示在指示器上或应用于控制相关设备。 可以使用体现该装置的各种布置用于流量指示，流量控制，泄漏检测和指示以及作为警告或控制设备。 压力响应构件显示为尼龙增强橡胶隔膜，但构件的性质将取决于所比较的绝对压力和相对压力值。

公开(公告)号：US20070084464A1

公开(公告)日：2007-04-19

申请号：US11611315

申请日：2006-12-15

申请人： Peter John Wickham ,  Nicola Wickhan

发明人： Peter John Wickham ,  Nicola Wickhan

IPC分类号： A62B7/00

CPC分类号： A61B5/7278 ,  A61B5/085 ,  A61B5/087 ,  A61B5/4818 ,  A61B5/7282 ,  A61M16/00 ,  A61M16/0066 ,  A61M16/0069 ,  A61M16/024 ,  A61M16/06 ,  A61M2016/0039

摘要： In a respiratory apparatus for treatment of sleep apnea and other disorders associated with an obstruction of a patient's airway and which uses an airflow signal, an obstruction index is generated which detects the flattening of the inspiratory portion of the airflow. The obstruction index is used to differentiate normal and obstructed breathing. The obstruction index is based upon different weighting factors applied to sections of the airflow signal thereby improving sensitivity to various types of respiration obstructions.

摘要翻译： 在用于治疗睡眠呼吸暂停的呼吸装置和与阻塞患者气道相关的并且使用气流信号的其它障碍的呼吸装置中，产生检测气流的吸气部分变平的阻塞指数。 阻塞指数用于区分正常和阻塞呼吸。 阻塞指数是基于应用于气流信号部分的不同加权因子，从而提高对各种呼吸障碍物的敏感性。

公开(公告)号：US5897575A

公开(公告)日：1999-04-27

申请号：US957336

申请日：1997-10-24

申请人： John Wickham

发明人： John Wickham

IPC分类号： A61N1/362 ,  A61N1/39 ,  A61N1/36

CPC分类号： A61N1/3621 ,  A61N1/3956

摘要： An implantable cardiac device wherein a reliability indicator is developed for cardiac classification based on the presence or absence of noise. If the classification is unreliable a robust therapy is applied until the cardiac condition is confirmed.

摘要翻译： 一种可植入心脏装置，其中基于噪声的存在或不存在，开发用于心脏分类的可靠性指示符。 如果分类不可靠，则应用强直的治疗直到心脏病状得到证实。