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1. 发明授权

US07469158B2 Fetal oximetry system and sensor 有权
标题翻译：胎儿血氧饱和度测定系统和传感器
公开(公告)号：US07469158B2
公开(公告)日：2008-12-23
申请号：US10957430
申请日：2004-10-01
申请人： Christopher A. Cutler , William D. Wallace , Steven R. Smith , Daniel J. McGraw , Nick Tu , Clifford G. Montagnoli , Trent W. Banks
发明人： Christopher A. Cutler , William D. Wallace , Steven R. Smith , Daniel J. McGraw , Nick Tu , Clifford G. Montagnoli , Trent W. Banks
IPC分类号： A61B5/1455
CPC分类号： A61B5/1464 , A61B5/14542 , A61B5/6848 , A61B5/6882
摘要： An optical measuring device having multiple optical paths between one or more light emitters and one or more light detectors and/or providing at least two sets of wavelength of light along at least one path, with a final measurement being produced as a combination of measurements of the sets of wavelengths of light taken along one or more of the optical paths. Features that contribute to increased safety and ease of use include providing (1) a receiving cavity in a proximal end of an insertion rod that holds a free end of a circuit connector to keep it from becoming tangled or snagged, (2) a mechanism to keep the sensor within an introducer tube during storage and insertion and to expose a portion of the sensor only when the sensor is applied to the unborn baby, (3) a tab on the insertion rod to prevent the circuit connector from becoming tangled or snagged within the introducer tube, (4) a rotating feature whereby if a torque applied on the sensor exceeds a first predetermined amount, the sensor rotates, and a disengaging feature whereby the sensor detaches from insertion rod if a pull-off force exceeds a second predetermined amount, the rotating and disengaging features being independent of one another, (5) a circuit connector that includes at least one of the following features: (a) a stiffening member provided at the proximal end to minimize bending, (b) a shielding layer, and (c) at least one slit to increase the flexibility of the circuit connector, and (6) an interface that includes an identification element that is detected by an external circuit only if the circuit connector is connected to the interface. The present invention also pertains to a method of manufacturing a needle that is used in an invasive sensor, and preferably for fetal monitoring, that provides features not heretofore available in conventional sensors.
摘要翻译：一种光学测量装置，其在一个或多个光发射器与一个或多个光检测器之间具有多个光路，和/或沿着至少一个路径提供至少两组波长的光，其最终的测量是作为沿着一个或多个光路取得的光的波长组。有助于提高安全性和使用易用性的特征包括提供（1）在插入杆的近端中的容纳腔，其保持电路连接器的自由端以防止缠绕或阻塞，（2）机构在储存和插入过程中将传感器保持在导引管内，并且只有当传感器应用于未出生的婴儿时才能暴露传感器的一部分，（3）插入杆上的突片，以防止电路连接器缠结或阻塞导引管，（4）旋转特征，如果施加在传感器上的扭矩超过第一预定量，则传感器旋转，并且如果脱离力超过第二预定量，则传感器脱离插入杆的脱离特征，所述旋转和分离特征彼此独立;（5）电路连接器，其包括以下特征中的至少一个：（a）加强构件，其设置在所述近端处的迷你微孔弯曲，（b）屏蔽层，和（c）至少一个狭缝，以增加电路连接器的灵活性;以及（6）包括识别元件的界面，只有当电路连接器连接到接口。本发明还涉及一种制造针头的方法，所述针头用于侵入式传感器，并且优选地用于胎儿监测，其提供以前在常规传感器中可用的特征。

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