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    • 4. 发明授权
    • Patient CO.sub.2  Measurement
    • 患者二氧化碳测量
    • US6055447A
    • 2000-04-25
    • US99293
    • 1998-06-18
    • Max Harry WeilWanchun TangJose Bisera
    • Max Harry WeilWanchun TangJose Bisera
    • A61B5/00A61B5/026
    • A61B5/14542A61B5/0261A61B5/1473A61B5/412A61B5/42A61B5/682
    • A method and apparatus are provided for assessing impairment of blood circulation of a patient by measurement of PCO.sub.2 (partial pressure of carbon dioxide) in the upper digestive/respiratory tract of the patient. The method includes introducing a CO.sub.2 sensor into the mouth-nose area and against a mucosal surface. In one example, the sensor is placed under the tongue, in the manner of an oral thermometer, and sublingual (under the tongue) measurements of CO.sub.2 are taken. This allows for the triage of patients or victims in emergency of disaster settings. The measurement involves minimal invasion while avoiding false readings. For monitoring of more than about one or two minutes, holders are used to hold the CO.sub.2 sensor instrument stabily in the mouth or nose, and to isolate the mucosal area immediately around the CO.sub.2 sensor from air flow that could carry away CO.sub.2, while maintaining high humidity.
    • 提供了一种通过测量患者上消化道/呼吸道中PCO2(二氧化碳分压)来评估患者血液循环障碍的方法和装置。 该方法包括将CO 2传感器引入口鼻部区域并抵靠粘膜表面。 在一个示例中,传感器以口腔温度计的方式置于舌下,并且采用舌下(舌下)测量二氧化碳。 这样可以在紧急情况下对患者或受害者进行分诊。 测量涉及到最小的入侵,同时避免误读。 为了监测超过约一到两分钟,保持器用于将CO2传感器仪器稳定地保持在嘴或鼻中,并将CO2传感器周围的粘膜区域与可能携带CO 2的空气流隔离,同时保持高度 湿度。
    • 5. 发明授权
    • Method and device for assessing perfusion failure in a patient
    • 评估患者灌注失败的方法和装置
    • US06216024B1
    • 2001-04-10
    • US09160224
    • 1998-09-24
    • Max Harry WeilWanchun TangJose Bisera
    • Max Harry WeilWanchun TangJose Bisera
    • A61B500
    • A61B5/0261A61B5/14542A61B5/1473A61B5/412A61B5/42A61B5/682
    • Methods and devices are provided for assessing impairment of blood circulation in a patient, such as that in perfusion failure, by measurement of pCO2 (partial pressure of carbon dioxide) in the upper digestive and/or respiratory tract of the patient. The method comprises introducing a carbon dioxide sensor into the upper digestive and/or respiratory tract of a patient, without passing the sensor down through or beyond the patient's epiglottis. Specifically, a carbon dioxide sensor is placed adjacent a mucosal surface within the upper digestive and/or respiratory tract, preferably within the patient's mouth or inside the patient's nose. By avoiding passage through the mouth into the throat and esophagus, discomfort is substantially avoided and the potential for injury minimized. Previously, the belief in the art was that increased partial pressure of carbon dioxide was a localized phenomenon during perfusion failure; however, applicants have now discovered that increases in tissue CO2 occur throughout the body during perfusion failure, and the method and device of the invention are premised on this discovery.
    • 提供了通过测量患者上消化道和/或呼吸道中pCO2(二氧化碳分压)来评估患者血液循环障碍(如灌注失败)的方法和装置。 该方法包括将二氧化碳传感器引入患者的上消化道和/或呼吸道中,而不会使传感器向下穿过或超过患者的会厌。 具体来说,将二氧化碳传感器放置在上消化道和/或呼吸道内的粘膜表面附近,优选在病人口内或患者鼻内。 通过避免通过口腔进入喉咙和食道,基本上避免了不适,并减少了伤害的可能性。 以前,对艺术的信念是,二氧化碳的分压增加是灌注失败期间的局部现象; 然而,申请人现在已经发现,在灌注失败期间,整个身体中发生组织CO 2的增加,并且本发明的方法和装置以该发现为前提。
    • 8. 发明申请
    • Microcirculation imaging
    • 微循环成像
    • US20080086057A1
    • 2008-04-10
    • US11524866
    • 2006-09-21
    • Alain L. FymatMax Harry WeilWanchun TangJoe BiseraGiuseppe Ristagno
    • Alain L. FymatMax Harry WeilWanchun TangJoe BiseraGiuseppe Ristagno
    • A61B6/00
    • A61B5/0059A61B5/02007A61B5/0261A61B5/412
    • A real time image is created of blood circulation deep (e.g. a plurality of millimeters) below the surface of living tissue to aid in evaluating a patient. A first beam (26) of circularly polarized light is directed forwardly (F) against an outer surface (14) of the tissue, the circularly polarized beam penetrating into a deep region (12) of the tissue. Along shallow depths (42), light of the first beam is scattered a minimum amount from tissue and a portion of such light that passes rearwardly and out of the tissue remains polarized. Along greater depths (12), light of the first beam is scattered much more and becomes depolarized, and a portion of that deep light travels rearwardly (R) and back illuminates the overlying tissue. Light emerging from the outer surface of the tissue and traveling rearwardly, which constitutes a second beam (36), is passed through a depolarizing filter (24) that passes primarily only unpolarized light, so light from a shallow depth is largely blocked. The unpolarized light of the filtered second beam is focused on a photodetector (48) that creates electrical signals representing a real time image. Light spots (54) on the image that move, represent spaces between blood platelets (52) that are moving through a capillary, and indicates the velocity of blood through the capillary.
    • 在生物体组织表面下方深层(例如,多个毫米)产生血液循环的实时图像,以帮助评估患者。 圆偏振光的第一光束(26)向前(F)指向组织的外表面(14),圆偏振光束穿透组织的深部区域(12)。 沿着浅深度(42),第一光束的光从组织中散射最小量,并且这些光向后通过并从组织出来的部分保持偏振。 沿着更深的深度(12),第一光束的光被散射得更多并且变得去极化,并且该一部分深光向后行进(R)并且向后照射上覆的组织。 构成第二光束(36)的从组织的外表面向后移动的光通过仅主要通过非偏振光的去极化滤光器(24),因此来自浅深度的光被大大阻挡。 被滤波的第二光束的非偏振光聚焦在产生表示实时图像的电信号的光电检测器(48)上。 移动的图像上的光点(54)表示在血细胞移动的血小板(52)之间的空间,并且指示通过毛细管的血液的速度。
    • 9. 发明授权
    • CPR protector
    • CPR保护器
    • US06360125B1
    • 2002-03-19
    • US09217008
    • 1998-12-21
    • Max Harry WeilWanchun TangJoe Bisera
    • Max Harry WeilWanchun TangJoe Bisera
    • A61N139
    • A61N1/39
    • Apparatus is provided for use during the treatment of a victim undergoing cardiac arrest, to facilitate treatment by chest compression as well as by shocks from an automatic defribrillator. The apparatus includes a sheet of dielectric material that covers much of the victim to electrically isolate a rescuer who is performing chest compressions, from the victim to whom electric shocks are being delivered. Defribrillator electrodes are mounted on the lower face of the sheet and are connected to the defribillator. The sheet extends down along the sides of the victim to isolate the rescuer, who is either standing or kneeling beside the victim to apply chest compressions.
    • 提供了在治疗受到心脏骤停的受害者的治疗期间使用的装置,以便于通过胸部按压治疗以及来自自动除颤器的冲击。 该装置包括覆盖大部分受害者的电介质材料片,以将正在进行胸部按压的救护者从被传送电击的受害者电隔离。 除颤电极安装在片材的下表面,并连接到除颤器。 该片材沿着受害者的两侧向下延伸,以隔离救护人员,他们站立或跪在受害者旁边以应用胸部按压。
    • 10. 发明授权
    • Chest compressor
    • 胸部压缩机
    • US07060041B1
    • 2006-06-13
    • US09678616
    • 2000-10-04
    • Max Harry WeilJoe BiseraClayton YoungWanchun Tang
    • Max Harry WeilJoe BiseraClayton YoungWanchun Tang
    • A61H31/00A61H7/00
    • A61H31/006A61H1/008A61H31/00A61H2031/003A61H2201/1238A61H2201/5007
    • Apparatus for compressing the chest of a patient to stimulate blood circulation, includes a torso wrap (32) that has a back portion (40) lying at the back of the patient's chest and a front portion (42) lying at the front of the patient's chest, and includes a compressor assembly with an actuator (16) having a pressing member (12) that can apply a series of force pulses to the sternum of the patient to stimulate blood circulation. The actuator is energized by pressured fluid, with a controlled pressured fluid source (20) connected by an elongated flexible hose (24) to the actuator so the pressured fluid source and a control (22) can lie on the ground and only the actuator lies on the torso wrap. The actuator includes a cylinder (66) and a plurality of telescoping piston parts (64, 66) to provide a long stroke in an actuator of small height. A stabilizer (150) that limits tilt of the actuator from the vertical, includes a saucer-shaped member that presses against the front of the patient.
    • 用于压缩患者胸部以刺激血液循环的装置包括躯干包裹物(32),其具有位于患者胸部后部的后部(40)和位于患者胸部前方的前部(42) 胸部,并且包括具有致动器(16)的压缩机组件,该致动器具有按压构件(12),所述按压构件能够向患者的胸骨施加一系列的力脉冲以刺激血液循环。 致动器由加压流体通电,受控的压力流体源(20)通过细长的柔性软管(24)连接到致动器,使得加压流体源和控制器(22)可以位于地面上,并且只有致动器位于 在躯干包裹上。 致动器包括气缸(66)和多个伸缩式活塞部件(64,66),以在小高度的致动器中提供长行程。 限制致动器从垂直方向倾斜的稳定器(150)包括压靠患者前方的碟形构件。