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    • 1. 发明申请
    • Determination of mask fitting pressure and correct mask fit
    • 确定面罩配合压力和正确的面罩配合
    • US20060254588A1
    • 2006-11-16
    • US11488130
    • 2006-07-18
    • Gregory BrewerGregory CollaSteven FarrugiaChinmayee Somaiya
    • Gregory BrewerGregory CollaSteven FarrugiaChinmayee Somaiya
    • A61M16/00A62B27/00
    • A61M16/00A61M16/0069A61M16/024A61M16/06A61M16/0605A61M2016/0021A61M2016/0036A61M2205/13A61M2205/15A62B27/00
    • CPAP treatment apparatus (10), as one form of positive pressure ventilatory assistance, is disclosed. A turbine/blower (14), operated by a mechanically coupled electrical motor (16), receives air or breathable gas at an inlet (18) thereof, and supplies the breathable gas at a delivery pressure to a delivery tube/hose (20) having connection at the other end thereof with a nose mask (12). A microcontroller (38) has an operational “Mask-Fit” mode. An initial constant pressure level is applied by the blower (14) to the mask (12). If the functional mode is a Manual mode, then the mask-fit test pressure is the current ‘set’ pressure. If the functional mode is the Automatic Titration mode, the mask-fit test pressure is the 95th percentile pressure of the previous session, otherwise it is the base treatment pressure, e.g. 10-12 cm H2O. This constant pressure is applied for a period of time, typically 1-3 minutes. The microcontroller (38) continuously determines mask leak as the value, fLEAK, from a flow sensor (32), comparing this to a threshold, and providing the patient with a visual indication of degree of leak. In this way the patient can manipulate the mask to ensure correct fitting as indicated by the appropriate message or indication.
    • 公开了作为一种形式的正压通气辅助的CPAP治疗装置(10)。 由机械联接的电动机(16)操作的涡轮/鼓风机(14)在其入口(18)处接收空气或可呼吸气体,并将输送压力下的可呼吸气体供应到输送管/软管(20) 在其另一端具有与鼻罩(12)的连接。 微控制器(38)具有可操作的“掩码拟合”模式。 初始恒定压力水平由鼓风机(14)施加到面罩(12)。 如果功能模式是手动模式,则掩模配合测试压力是当前的“设置”压力。 如果功能模式是自动滴定模式,掩模拟合测试压力是上一届会议的第95百分位数压力,否则为基础处理压力。 10-12厘米H 2 O。 施加该恒定压力一段时间,通常为1-3分钟。 微控制器(38)从流量传感器(32)连续地将掩模泄漏确定为值泄漏,将其与阈值进行比较,并为患者提供渗透程度的视觉指示。 以这种方式,患者可以操纵面罩,以确保正确的配合,如适当的消息或指示所示。
    • 8. 发明申请
    • Administration of CPAP treatment pressure in presence of apnea
    • 呼吸暂停治疗CPAP治疗压力
    • US20060021618A1
    • 2006-02-02
    • US11237278
    • 2005-09-28
    • Michael Berthon-JonesSteven Farrugia
    • Michael Berthon-JonesSteven Farrugia
    • A61M16/00A62B7/00
    • A61M16/0069A61B5/0205A61B5/4818A61B5/4836A61M16/00A61M16/0003A61M16/0051A61M16/024A61M16/06A61M16/0875A61M2016/0036
    • CPAP treatment apparatus is disclosed having a controllable flow generator (34, 38, 40) operable to produce breathable gas at a treatment pressure elevated above atmosphere to a patient by a delivery tube (32) coupled to a mask (30) having connection with a patient's airway. A sensor (44, 50, 56, 58) generates a signal representative of patient respiratory flow, that is provided to a controller (54, 62, 64). The controller (54, 62, 64) is operable to determine the occurrence of an apnea from a reduction in respiratory airflow below a threshold, and if an apnea has occurred, to determine the duration of the apnea and to cause the flow generator (34, 38) to increase the treatment pressure. In one preferred form the increase in pressure is zero if the treatment pressure before the apnea exceeds a pressure threshold. Below the pressure threshold the increase in pressure is an increasing function of the duration of the apnea multiplied by the difference between the pressure threshold and the current treatment pressure.
    • 公开了一种CPAP治疗装置,其具有可操作的流量发生器(34,38,40),其可操作以通过耦合到具有与一个或多个连接器的连接的掩模(30)的输送管(32)在处于高于大气的处理压力下向患者产生可呼吸气体 病人的气道。 传感器(44,50,56,58)产生代表患者呼吸流量的信号,其提供给控制器(54,62,64)。 控制器(54,62,64)可操作以从呼吸气流减少到阈值以下来确定呼吸暂停的发生,并且如果发生呼吸暂停,则确定呼吸暂停的持续时间并使流量发生器(34 ,38)以增加治疗压力。 在一个优选形式中,如果呼吸暂停之前的治疗压力超过压力阈值,则压力增加为零。 在压力阈值以下,压力的增加是呼吸暂停持续时间的乘积乘以压力阈值与当前治疗压力之间的差异的增加的函数。
    • 9. 发明申请
    • Administration of CPAP treatment pressure in presence of apnea
    • 呼吸暂停治疗CPAP治疗压力
    • US20050076910A1
    • 2005-04-14
    • US10958854
    • 2004-10-05
    • Michael Berthon-JonesSteven Farrugia
    • Michael Berthon-JonesSteven Farrugia
    • A61M16/00
    • A61M16/0069A61B5/0205A61B5/4818A61B5/4836A61M16/00A61M16/0003A61M16/0051A61M16/024A61M16/06A61M16/0875A61M2016/0036
    • CPAP treatment apparatus is disclosed having a controllable flow generator (34, 38, 40) operable to produce breathable gas at a treatment pressure elevated above atmosphere to a patient by a delivery tube (32) coupled to a mask (30) having connection with a patient's airway. A sensor (44, 50, 56, 58) generates a signal representative of patient respiratory flow, that is provided to a controller (54, 62, 64). The controller (54, 62, 64) is operable to determine the occurrence of an apnea from a reduction in respiratory airflow below a threshold, and if an apnea has occurred, to determine the duration of the apnea and to cause the flow generator (34, 38) to increase the treatment pressure. In one preferred form the increase in pressure is zero if the treatment pressure before the apnea exceeds a pressure threshold. Below the pressure threshold the increase in pressure is an increasing function of the duration of the apnea multiplied by the difference between the pressure threshold and the current treatment pressure.
    • 公开了一种CPAP治疗装置,其具有可操作的流量发生器(34,38,40),其可操作以通过耦合到具有与一个或多个连接器的连接的掩模(30)的输送管(32)在处于高于大气的处理压力下向患者产生可呼吸气体 病人的气道。 传感器(44,50,56,58)产生代表患者呼吸流量的信号,其提供给控制器(54,62,64)。 控制器(54,62,64)可操作以从呼吸气流减少到阈值以下来确定呼吸暂停的发生,并且如果发生呼吸暂停,则确定呼吸暂停的持续时间并使流量发生器(34 ,38)以增加治疗压力。 在一个优选形式中,如果呼吸暂停之前的治疗压力超过压力阈值,则压力增加为零。 在压力阈值以下,压力的增加是呼吸暂停持续时间的乘积乘以压力阈值与当前治疗压力之间的差异的增加的函数。
    • 10. 发明授权
    • Apparatus and method for discriminating between cardiac rhythms on the
basis of their morphology using a neural network
    • 基于神经网络的形态鉴别心脏节律的装置和方法
    • US5542430A
    • 1996-08-06
    • US306993
    • 1994-09-16
    • Steven FarrugiaHansen YeePeter Nickolls
    • Steven FarrugiaHansen YeePeter Nickolls
    • A61B5/0464G06F17/00A61B5/046
    • A61B5/0464A61B5/7242A61B5/7264Y10S128/924Y10S128/925
    • An apparatus and a method are provided for coupling to a patient's heart for discriminating between tachycardias of physiological origin, and those of pathological origin having similar rates; and also for discriminating amongst those of pathological origin having similar rates. The apparatus includes transducers and/or sensing electrodes in either or both the atrium and/or ventricle. Also included are signal processing elements for determining the times of atrial and ventricular events and for extracting morphological features from the waveforms, and a neural network for classifying the heart rhythm. The method includes a step of discriminating between different types of heart rhythms having overlapping rates. The method utilizes atrial-atrial, ventricular-ventricular and atrio-ventricular intervals; integrated waveforms; sums of differences of waveform samples; rectified integrated bandpass filtered waveforms; numbers of zero crossings in the electrogram; area under the ventricular electrogram; and R wave slope, QR area and RS area of the electrogram.
    • 提供了一种装置和方法,用于耦合到患者的心脏以区分生理起源的心动过速和具有相似速率的病理来源的装置和方法; 并且还用于区分具有相似速率的病理来源的那些。 该装置包括在心房和/或心室中的一个或两个中的换能器和/或感测电极。 还包括用于确定心房和心室事件的时间以及用于从波形中提取形态特征的信号处理元件,以及用于分类心律的神经网络。 该方法包括区分具有重叠率的不同类型的心律的步骤。 该方法利用心房,心室和心房间隔; 集成波形; 波形样本差值之和; 整流滤波波形整流; 电描记图中的零交叉数; 心室电图下的面积; 和R波幅,QR区和RS区的电描记图。