公开(公告)号：US09050044B2

公开(公告)日：2015-06-09

申请号：US13494630

申请日：2012-06-12

申请人： Youzhi Li ,  Clark R. Baker, Jr.

发明人： Youzhi Li ,  Clark R. Baker, Jr.

IPC分类号： A61B5/02 ,  A61B6/00 ,  A61B5/1455 ,  A61B5/00

CPC分类号： A61B5/14551 ,  A61B5/6803

摘要： Systems and methods for measuring a physiological parameter of tissue in a patient are provided herein. In a first example, a method of measuring a physiological parameter of blood in a patient is provided. The method includes emitting at least two optical signals for propagation through tissue of the patient, detecting the optical signals after propagation, identifying propagation pathlengths of the optical signals, and identifying detected intensities of the optical signals. The method also includes processing at least the propagation pathlengths to scale the detected intensities for determination of a value of the physiological parameter.

摘要翻译： 本文提供了用于测量患者组织生理参数的系统和方法。 在第一示例中，提供了测量患者血液的生理参数的方法。 该方法包括发射至少两个用于通过患者组织传播的光信号，检测传播后的光信号，识别光信号的传播路径长度以及识别光信号的检测强度。 该方法还包括处理至少传播路径长度以缩放所检测的强度以确定生理参数的值。

公开(公告)号：US08704666B2

公开(公告)日：2014-04-22

申请号：US12563841

申请日：2009-09-21

申请人： Clark R. Baker, Jr.

发明人： Clark R. Baker, Jr.

IPC分类号： G08B23/00

CPC分类号： A61B5/14551 ,  A61B5/746 ,  A61B5/7475

摘要： Embodiments of the present disclosure relate to customization of user interfaces for medical devices. According to certain embodiments, patient monitors may include a device body designed to interface with interchangeable and removable faceplates. The faceplates may include input devices for controlling the patient monitor. Further, the properties of the input devices, such as the size, shape, labels, type, and location, may vary between faceplates. Further, in certain embodiments, the faceplates may include a memory for storing preferences associated with the user interface.

摘要翻译： 本公开的实施例涉及用于医疗设备的用户界面的定制。 根据某些实施例，患者监视器可以包括被设计成与可互换和可移除的面板接口的设备主体。 面板可以包括用于控制患者监护仪的输入装置。 此外，诸如尺寸，形状，标签，类型和位置等输入装置的特性可以在面板之间变化。 此外，在某些实施例中，面板可以包括用于存储与用户界面相关联的偏好的存储器。

公开(公告)号：US08632472B2

公开(公告)日：2014-01-21

申请号：US13352185

申请日：2012-01-17

申请人： Clark R. Baker, Jr.

发明人： Clark R. Baker, Jr.

IPC分类号： A61B5/02

CPC分类号： A61B5/14551 ,  A61B5/02416 ,  A61B5/7239

摘要： Methods and systems for detecting venous pulsation are provided. In one embodiment, a metric of the pulse shape of one or more plethysmographic signals is derived and the presence of venous pulsation is detected based on the metric of pulse shape. Examples, of metrics of pulse shape include a skew metric and a ratio of a minima-to-maxima time over a pulse period interval. In an exemplary embodiment, the presence of venous pulsation is detected based on a metric of the pulse shape of one or more plethysmographic signals and on a phase comparison of the plethysmographic signals.

摘要翻译： 提供了检测静脉脉动的方法和系统。 在一个实施例中，导出一个或多个体积描记信号的脉冲形状的度量，并且基于脉冲形状的度量检测静脉脉动的存在。 脉冲形状度量的示例包括偏差度量和脉冲周期间隔中最小到最大时间的比率。 在示例性实施例中，基于一个或多个体积描记信号的脉冲形状的度量以及体积描记信号的相位比较来检测静脉脉动的存在。

公开(公告)号：US08571623B2

公开(公告)日：2013-10-29

申请号：US13547881

申请日：2012-07-12

申请人： Clark R. Baker, Jr. ,  Paul Manneheimer

发明人： Clark R. Baker, Jr. ,  Paul Manneheimer

IPC分类号： A61B5/1455

CPC分类号： A61B5/14551 ,  A61B5/7207 ,  A61B2562/085

摘要： In accordance with an embodiment of the present technique, there is provided methods and systems for detecting the presence of venous pulsation by adjusting the sensitivity of a detection algorithm based on a sensor characteristic and/or notifying a caregiver of the presence of venous pulsation by ceasing display of physiological parameters. An exemplary embodiment includes receiving one or more signals from a sensor, the one or more signals corresponding to absorption of light in a patient's tissue; calculating one or more physiological parameters of the patient based on the one or more signals; displaying the patient's physiological parameters; enabling detection of venous pulsation with variable sensitivity based on a location of the sensor; and suspending or terminating the display of the one or more of the patient's physiological parameters when venous pulsation is detected.

摘要翻译： 根据本技术的实施例，提供了通过基于传感器特性调整检测算法的灵敏度和/或通过停止向病人通知静脉脉动的存在来检测静脉脉动的存在的方法和系统 显示生理参数。 示例性实施例包括从传感器接收一个或多个信号，所述一个或多个信号对应于在患者组织中的光的吸收; 基于所述一个或多个信号计算所述患者的一个或多个生理参数; 显示患者的生理参数; 能够基于传感器的位置检测具有可变灵敏度的静脉脉动; 以及当检测到静脉脉动时暂停或终止所述患者生理参数中的一个或多个的显示。

公开(公告)号：US08560036B2

公开(公告)日：2013-10-15

申请号：US12979828

申请日：2010-12-28

申请人： Clark R. Baker, Jr.

发明人： Clark R. Baker, Jr.

IPC分类号： A61B5/1455

CPC分类号： A61B5/14552 ,  A61B5/7203 ,  A61B5/7221

摘要： A pulse oximeter system is presently disclosed. The pulse oximeter system includes a processor and circuitry. The processor and circuitry are configured to receive light waveforms from a sensor, determine at least one signal quality metric for the light waveforms, calculate at least one weight using a continuously variable weighting function based on the at least one signal quality metric, and ensemble average the light waveforms using the at least one calculated weight.

公开(公告)号：US08494617B2

公开(公告)日：2013-07-23

申请号：US13347481

申请日：2012-01-10

申请人： Clark R. Baker, Jr. ,  Shannon E. Campbell

发明人： Clark R. Baker, Jr. ,  Shannon E. Campbell

IPC分类号： A61B5/00

CPC分类号： A61B5/445 ,  A61B5/0059 ,  A61B5/444 ,  A61B5/4869

摘要： A system configured to provide feedback regarding fluid parameters in the skin and/or compartments of an individual to facilitate early diagnosis of skin wounds and compartment syndromes.

摘要翻译： 一种被配置为提供关于个体的皮肤和/或隔室中的流体参数的反馈以便于皮肤伤口和隔室综合征的早期诊断的系统。

公开(公告)号：US08454526B2

公开(公告)日：2013-06-04

申请号：US11526846

申请日：2006-09-25

申请人： Clark R. Baker, Jr. ,  Roger Mecca ,  Michael P. O'Neil ,  Rafael Ostrowski

发明人： Clark R. Baker, Jr. ,  Roger Mecca ,  Michael P. O'Neil ,  Rafael Ostrowski

IPC分类号： A61B5/08 ,  G01N27/00

CPC分类号： A61B5/091 ,  A61B5/0836 ,  A61B5/087 ,  A61B5/412 ,  A61M16/0057 ,  A61M16/04 ,  A61M16/0415 ,  A61M16/042 ,  A61M16/0434 ,  A61M16/0443 ,  A61M16/0459 ,  A61M16/0475 ,  A61M16/0486 ,  A61M16/08 ,  A61M2016/0413 ,  A61M2016/103 ,  A61M2230/40 ,  A61M2230/432

摘要： An airway device is provided that may track the flow of respiratory gases through the device with sensing elements at a plurality of locations along the gas flow path of the device. Such a device may be useful for assessing a variety of clinical states, for adjusting patient ventilator settings, or for determining whether or not an airway device has been properly inserted into a patient airway.

摘要翻译： 提供了一种气道装置，其可以沿着装置的气体流动路径沿着多个位置跟踪具有感测元件的通过装置的呼吸气体的流动。 这样的装置可用于评估各种临床状态，用于调节患者呼吸机设置，或用于确定气道装置是否已被正确地插入到患者气道中。

公开(公告)号：US08423109B2

公开(公告)日：2013-04-16

申请号：US12143358

申请日：2008-06-20

申请人： Clark R. Baker, Jr.

发明人： Clark R. Baker, Jr.

IPC分类号： A61B5/1455

CPC分类号： A61B5/14551 ,  A61B5/0205 ,  A61B5/02416 ,  A61B5/7207 ,  A61B5/7214

摘要： A method for determining a physiological parameter in the presence of correlated artifact, including obtaining two digital waveforms, x and y, the waveforms being representative of the absorption of two wavelengths of electromagnetic energy received from a blood-perfused tissue, and where each of the waveforms has a component corresponding to a plethysmographic waveform and a component corresponding to the correlated artifact; calculating several weighted difference waveforms of the form x−R*y, where R is a multiplier, by varying R over a range; evaluating the several weighted difference waveforms using a shape characteristic of the weighted difference waveform; identifying a weighted difference waveform most closely representative of and one most different from the plethysmographic waveform; determining a pleth-based physiological parameter using the waveform most closely representative of the plethysmographic waveform; determining at least one artifact-based physiological parameter using the waveform most different from the plethysmographic waveform; and rejecting other possible candidate values for the pleth-based physiological parameter using the artifact-based physiological parameter.

摘要翻译： 一种用于在存在相关伪影的情况下确定生理参数的方法，包括获得两个数字波形x和y，所述波形表示从血液灌注组织接收的两个波长的电磁能的吸收， 波形具有对应于体积描记图波形的分量和对应于相关伪像的分量; 通过在一个范围内改变R来计算形式为x-R * y的几个加权差分波形，其中R是乘数; 使用加权差分波形的形状特征来评估几个加权差分波形; 识别与体积描记图波形最为密切且最不同的加权差分波形; 使用最接近代表体积描记图波形的波形确定基于生理参数的生理参数; 使用与体积描记图波形最不同的波形确定至少一个基于伪像的生理参数; 并且使用基于伪像的生理参数拒绝基于基于生理参数的其他可能的候选值。

公开(公告)号：US08376955B2

公开(公告)日：2013-02-19

申请号：US12569721

申请日：2009-09-29

申请人： Clark R. Baker, Jr.

发明人： Clark R. Baker, Jr.

IPC分类号： A61B5/01 ,  A61B5/00

CPC分类号： A61B5/01 ,  A61B18/1815 ,  A61B2017/00057 ,  A61B2017/00084

摘要： According to various embodiments, a medical system and method for determining tissue temperature may include a spectroscopic sensor. The spectroscopic sensors may be configured to provide information about changes in water absorption profiles at one or more absorption peaks. Such sensors may be incorporated into ablation systems for tissue ablation. Temperature information may be used to determine the scope, volume, and/or depth of the ablation.

摘要翻译： 根据各种实施例，用于确定组织温度的医疗系统和方法可以包括光谱传感器。 光谱传感器可以被配置为提供关于在一个或多个吸收峰处的吸水谱的变化的信息。 这种传感器可以并入用于组织消融的消融系统中。 温度信息可用于确定消融的范围，体积和/或深度。

公开(公告)号：US20120323095A1

公开(公告)日：2012-12-20

申请号：US13598312

申请日：2012-08-29

申请人： Clark R. Baker, Jr.

发明人： Clark R. Baker, Jr.

IPC分类号： A61B6/00 ,  A61B5/024 ,  A61B5/1455 ,  A61B5/00

CPC分类号： A61B5/6843 ,  A61B5/14551 ,  A61B5/14552 ,  A61B5/7203

摘要： A method is provided for determining contact of a sensor with a patient's tissue. The method comprises comparing the intensity of detected light at a first wavelength to a threshold, wherein the first wavelength is not used to determine a physiological characteristic of the patient, and determining if the sensor is in contact with the patient's tissue based on the comparison. In addition, a method is provided for determining the amount of light shunting during operation of the sensor. The method comprises comparing the intensity of detected light at a first wavelength to a threshold, wherein the first wavelength is not used to determine a physiological characteristic of the patient, and determining the amount of light shunting based on the comparison.

摘要翻译： 提供了一种用于确定传感器与患者组织的接触的方法。 该方法包括将第一波长的检测光的强度与阈值进行比较，其中第一波长不用于确定患者的生理特征，并且基于比较来确定传感器是否与患者组织接触。 此外，提供了一种用于确定传感器操作期间的分流量的方法。 该方法包括将第一波长的检测光的强度与阈值进行比较，其中第一波长不用于确定患者的生理特征，并且基于比较来确定分流量。