公开(公告)号：US4748562A

公开(公告)日：1988-05-31

申请号：US910253

申请日：1986-09-19

申请人： Joseph M. Miller ,  Stephen W. Fannin ,  Paul R. Steiner ,  Bruce C. Taylor

发明人： Joseph M. Miller ,  Stephen W. Fannin ,  Paul R. Steiner ,  Bruce C. Taylor

IPC分类号： A61B5/00 ,  A61B5/05 ,  G01N27/28 ,  G06G7/60

CPC分类号： A61B5/14542 ,  A61B5/14539 ,  A61B5/1473

摘要： A portable circuit and method for performing a time study and analysis of bodily ionic characteristics as esophageal pH includes a transducer 11 for measuring pH and generating a proportional analog signal and an interface 12 for converting this signal into a representative digital signal including offset and gain controls 23,24 for permitting correction for transducer 11 calibration drift during the study period. A processor 14 receives and stores all digital signals for rapid transmission to a data analysis after the study period is ended. Esophageal pH values are measured and stored for a plurality of pre-study and post-study known conditions.

摘要翻译： 用于进行身体离子特性的时间研究和分析的便携式电路和方法作为食管pH包括用于测量pH并产生比例模拟信号的换能器11和用于将该信号转换成代表性数字信号的接口12，包括偏移和增益控制 23,24用于在研究期间允许校正换能器11校准漂移。 在研究期结束之后，处理器14接收并存储用于快速传输的所有数字信号到数据分析。 测量食管pH值并存储多个预研究和研究后已知条件。

公开(公告)号：US4326535A

公开(公告)日：1982-04-27

申请号：US149427

申请日：1980-05-13

申请人： Charles R. Steffel ,  Bruce C. Taylor

发明人： Charles R. Steffel ,  Bruce C. Taylor

IPC分类号： A61B5/00 ,  G01N27/28

CPC分类号： A61B5/0006 ,  Y10S128/903

摘要： A circuit and method for radiotelemetry of an esophageal pH signal in an electrocardiogram (ECG) signal radiotelemetry system includes esophageal and reference pH electrodes (16 and 17) connected to a pH meter (15) for monitoring esophageal pH and generating a signal proportional thereto and a waveform converter circuit (12) for converting the same to a signal whose waveform is similar to an ECG waveform and one of whose parameters, such as frequency, is proportional to esophageal pH. A conventional ECG radiotelemetry system (13) includes an ECG signal transmitter (31) receiving and broadcasting the converted signal to a remote ECG signal receiver (32). A display (14) receives the demodulated converted waveform from ECG signal receiver (32) and displays indicia of esophageal pH.

摘要翻译： 用于心电图（ECG）信号无线电测量系统中食管pH信号的无线电测量的电路和方法包括连接到pH计（15）的食管和参考pH电极（16和17），用于监测食管pH并产生与其成比例的信号， 波形转换器电路（12），用于将其转换为与ECG波形类似的信号，并且其参数（诸如频率）中的一个与食管pH成比例。 常规ECG无线电测距系统（13）包括ECG信号发射器（31），接收并将转换的信号广播到远程ECG信号接收器（32）。 显示器（14）从ECG信号接收器（32）接收经解调的经转换的波形并显示食管pH值。

公开(公告)号：US5762834A

公开(公告)日：1998-06-09

申请号：US792348

申请日：1997-02-05

申请人： Richard P. Hauser ,  Bruce C. Taylor ,  John Harris ,  Joe Schirra

发明人： Richard P. Hauser ,  Bruce C. Taylor ,  John Harris ,  Joe Schirra

IPC分类号： B01D3/16 ,  B01F3/04

CPC分类号： B01D3/163

摘要： A mass transfer device is provided in the form of a tray having perforations spanned by bridge members shaped to divert liquid flowing in the design flow direction around the perforation such that gas rising through the perforation encounters the liquid flow essentially at right angles.

摘要翻译： 质量传递装置以托盘的形式提供，该托盘具有横跨桥梁构件的穿孔，该桥构件被成形为将围绕穿孔的设计流动方向流动的液体转移，使得通过穿孔升高的气体基本上以直角遇到液体流动。

公开(公告)号：US5911922A

公开(公告)日：1999-06-15

申请号：US73789

申请日：1998-05-06

申请人： Richard P. Hauser ,  Bruce C. Taylor ,  John Harris ,  Joe Schirra ,  Frank Rukovens

发明人： Richard P. Hauser ,  Bruce C. Taylor ,  John Harris ,  Joe Schirra ,  Frank Rukovens

IPC分类号： B01D3/22 ,  B01D3/16 ,  B01F3/04

CPC分类号： B01D3/163

摘要： A mass transfer device is provided in the form of a tray having moveable valves which includes perforations spanned by bridge members shaped to divert liquid flowing in the design flow direction around the perforation such that gas rising through the perforation causes the valve to open and then encounters the liquid flow essentially at right angles.

摘要翻译： 质量传递装置以具有可移动阀的托盘的形式提供，该移动阀包括跨越桥构件的穿孔，该桥构件成形为将围绕穿孔的设计流动方向流动的液体转移，使得通过穿孔上升的气体导致阀打开然后遇到 液体基本上以直角流动。

公开(公告)号：US4014206A

公开(公告)日：1977-03-29

申请号：US563856

申请日：1975-03-31

申请人： Bruce C. Taylor

发明人： Bruce C. Taylor

IPC分类号： G01N27/22

CPC分类号： G01N33/4915

摘要： Disclosed is a method and apparatus for detecting the presence of an embolism, such as air, during extracorporeal circulation in tubing carrying blood or other fluid such as would be present in the use of an artificial kidney machine. Electrodes are placed near the tubing to monitor the impedance thereof as well as the impedance of the fluid passing therethrough. An oscillator is attached to the electrodes and puts out a signal, the frequency of which is proportional to the basic impedance of the tubing and fluid. When an air bubble or the like passes the electrodes, the impedance will change causing a change in the frequency of the signal of the oscillator. The difference between the normal frequency and the changed frequency is indicative of the size of the embolism. Means are provided so that if a single embolism is large enough to cause damage to the patient or if a number of smaller emboli accumulate to the point of potentially causing damage to the patient, an alarm may be sounded or other remedial measures, such as system shutdown, could be taken. In addition, should the basic impedance of the fluid change, means are provided to prevent a false indication of an embolism.

摘要翻译： 公开了一种用于在携带血液或其它流体的管道的体外循环期间检测诸如空气之类的栓塞的存在的方法和装置，其将在使用人造肾脏机器中存在。 电极放置在管道附近以监测其阻抗以及通过其中的流体的阻抗。 振荡器连接到电极并输出一个信号，其频率与管道和流体的基本阻抗成比例。 当气泡等通过电极时，阻抗将改变，引起振荡器信号的频率变化。 正常频率与变化频率之间的差异表示栓塞的大小。 提供手段，使得如果单个栓塞足够大以致对患者造成伤害，或者如果一些较小的栓塞累积到可能导致患者损伤的程度，可能会发出警报或其他补救措施，例如系统 关机，可以采取。 另外，如果液体的基本阻抗发生变化，提供手段以防止栓塞的虚假指示。