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Systems, devices, and methods for performing trans-abdominal fetal oximetry and/or trans-abdominal fetal pulse oximetry using independent component analysis

An independent component analysis, fetal technology, applied in uterine pressure measurement, diagnostic recording/measurement, application, etc., can solve the problems of low efficiency of fetal distress, cesarean section, etc.

Pending Publication Date: 2020-10-09
雷迪安特血氧测定公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Current methods of monitoring fetal health, such as monitoring fetal heart rate, are inefficient at determining levels of fetal distress and sometimes provide false-positive results indicative of fetal distress, which can lead to unnecessary cesarean deliveries

Method used

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  • Systems, devices, and methods for performing trans-abdominal fetal oximetry and/or trans-abdominal fetal pulse oximetry using independent component analysis
  • Systems, devices, and methods for performing trans-abdominal fetal oximetry and/or trans-abdominal fetal pulse oximetry using independent component analysis
  • Systems, devices, and methods for performing trans-abdominal fetal oximetry and/or trans-abdominal fetal pulse oximetry using independent component analysis

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Embodiment Construction

[0024] Described herein are systems, devices, and methods for performing transabdominal fetal oximetry and / or fetal pulse oximetry. The important output information of fetal oximetry and / or fetal pulse oximetry is the oxygen saturation of fetal blood (also known as "fetal hemoglobin oxygen saturation" and "oxygen saturation"), which also refers to the oxygen saturation in fetal blood and Percentage of oxygen bound hemoglobin. Oxygen saturation of fetal blood can be used by trained medical professionals to assess fetal health (eg, levels of hypoxia or fetal acidosis) and stress levels during labor, for example. Typically, fetal blood oxygen saturation values ​​fall within the 30-60% range, with anything below 30% indicating possible fetal distress.

[0025] For the purposes of the following discussion, the term "pregnant mammal" or "maternal" or "mother" is used to refer to a female human or animal (eg, horse or cow) carrying a fetus. In most embodiments, the pregnant individ...

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Abstract

Independent component analysis may be performed on a plurality of detected electronic signals to separate signals within the detected electronic signals that are contributed by different sources. Eachof the plurality of detected electronic signals may be received from a separate detector and may correspond to a detected optical signal emanating from a pregnant mammal's abdomen and a fetus contained therein. The detected optical signals may correspond to light that is projected into the pregnant mammal's abdomen from a light source. The separated signals may be analyzed to determine a separated signal that corresponds to light incident upon the fetus, which may be analyzed to determine a fetal hemoglobin oxygen saturation level of the fetus. An indication of the fetal hemoglobin oxygen saturation level may then be provided to the user.

Description

[0001] related application [0002] This application is U.S. Provisional Patent Application No. 62 / 611,849, filed December 29, 2017, and entitled "SYSTEMS, DEVICES, AND METHODS FORPERFORMING TRANS-ABDOMINAL FETAL OXIMETRY AND / OR TRANS-ABDOMINAL FETAL PULSEOXIMETRY USING INDEPENDENT COMPONENT ANALYSIS" , which is hereby incorporated by reference in its entirety. technical field [0003] The invention belongs to the field of medical equipment, in particular to the fields of transabdominal fetal blood oxygen measurement and transabdominal fetal pulse oximetry. Background technique [0004] Oximetry is a method of determining the oxygen saturation of hemoglobin in mammalian blood. Typically, 90% (or more) of adult hemoglobin is oxygen-saturated (ie, bound to oxygen), whereas fetal blood is only 30-60% oxygen-saturated. Pulse oximetry is a type of blood oxygen measurement that uses changes in arterial blood flow during a heartbeat cycle to internally calibrate hemoglobin oxygen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/1455A61B5/00
CPCA61B5/02411A61B5/02416A61B5/4356A61B5/1464A61B5/14551A61B5/0245A61B5/725A61B5/033A61B5/08A61B5/14546A61B5/14552A61B5/7203A61B5/7225A61B2562/0238A61B2562/046
Inventor N·P·瑞M·A·罗森A·雅各布K·霍尔特
Owner 雷迪安特血氧测定公司
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