WO2014183522A1 - 反射式多传感器阵列血氧检测装置 - Google Patents

反射式多传感器阵列血氧检测装置 Download PDF

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Publication number
WO2014183522A1
WO2014183522A1 PCT/CN2014/075439 CN2014075439W WO2014183522A1 WO 2014183522 A1 WO2014183522 A1 WO 2014183522A1 CN 2014075439 W CN2014075439 W CN 2014075439W WO 2014183522 A1 WO2014183522 A1 WO 2014183522A1
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Prior art keywords
array
blood oxygen
photosensitive sensor
sensor array
light
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PCT/CN2014/075439
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English (en)
French (fr)
Inventor
刘小畅
彭强
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武汉远光瑞康科技有限公司
彭伟
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Priority to US14/891,457 priority Critical patent/US20160081603A1/en
Publication of WO2014183522A1 publication Critical patent/WO2014183522A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6831—Straps, bands or harnesses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/18—Shielding or protection of sensors from environmental influences, e.g. protection from mechanical damage
    • A61B2562/185—Optical shielding, e.g. baffles

Definitions

  • Reflective multi-sensor array blood oxygen detecting device Reflective multi-sensor array blood oxygen detecting device
  • the utility model belongs to the technical field of medical instruments, and specifically relates to a reflective multi-sensor array blood oxygen detecting device.
  • sleep dysfunction and its problems have become an increasingly prominent medical and public health issue.
  • sleep diseases According to the classification of sleep diseases by international authoritative journals, there are more than 90 kinds of sleep diseases caused by external or internal factors. The most common cases such as insomnia and sleep apnea syndrome are high in China.
  • the initial screening of sleep apnea syndrome usually involves the collection of blood oxygen pulse parameters.
  • the oximeters used in the initial screening of sleep breathing are mostly transmissive detection using a single transmitting and receiving sensor.
  • the light-emitting tube of the emitter and the photosensitive sensor as the receiving device are disposed on both sides of the body tissue to be tested, so that the red light and the infrared light emitted by the emitter penetrate the human tissue, and the photosensitive sensor receives the transmitted light because of hemoglobin and oxygen in the blood. Hemoglobin absorbs light at different rates.
  • the transmitted light data collected by the photosensitive sensor is different. After the data is transmitted to the instrument body with data processing function and display function, the instrument body can display the blood oxygen saturation of the human body to be tested. degree.
  • Transmissive oximeters generally need to wear finger cots, which can easily cause discomfort of human fingers when measuring for a long time. It is difficult to ensure the accuracy of measurement for patients with poor fingertip circulation.
  • the object of the present invention is to provide a reflective multi-sensor array blood oxygen detecting device capable of effectively measuring blood oxygen saturation of human tissues by detecting reflected light of human tissue.
  • the reflective multi-sensor array blood oxygen detection of the present invention includes an instrument body, a photosensor array, a light emitter array, and a strap, the light emitter array is distributed around the photosensor array, and a light shield is disposed between the light emitter array and the photosensor array board.
  • the light shielding plate is further disposed on the top of the photosensitive sensor array, leaving only the inner side portion close to the skin to receive the reflected light, thereby ensuring that the light emitted by the light emitting device cannot directly reach the photosensitive sensor, and the sensitivity of the photosensitive sensor can be improved. Sex and accuracy.
  • the photosensitive sensor array is a circular array, a square array or a polygonal array, and correspondingly, the light emitter array is surrounded by a circle-shaped, hollow square or polygonal shape matching the photosensitive sensor array.
  • the photosensor array is a circular array, a square array or a polygonal array, and correspondingly, the light emitter array is surrounded by a circle-shaped, hollow square or polygonal shape matching the photosensitive sensor array.
  • the photosensor array is a circular array, a square array or a polygonal array, and correspondingly, the light emitter array is surrounded by a circle-shaped, hollow square or polygonal shape matching the photosensitive sensor array.
  • the reflective multi-sensor array blood oxygen detecting device of the present invention distributes the light emitter array around the photosensitive sensor array.
  • the light emitter array and the photosensitive sensor array are located on the same side of the human body tissue to be tested, and the human tissue
  • the hemoglobin and the oxygen and hemoglobin in the light emitter array are reflected by the light sensor in the middle, and the reflected light data collected by the photosensitive sensor is transmitted to the instrument body with data processing function and display function.
  • the purpose of measuring blood oxygen saturation by detecting reflected light of human tissue can be achieved.
  • the position of any body surface artery can be measured without a finger sleeve, such as the wrist radial artery and the artery.
  • a finger sleeve such as the wrist radial artery and the artery.
  • the utility model adopts the sensor array technology, and the intensity of the light intensity and the received signal are greatly improved compared with the single sensor, and the stability and reliability of the reflective blood oxygen detecting device are improved as a whole.
  • the utility model adopts the way that the light-emitting device surrounds the photosensitive sensor array, and increases the area of illumination and reception, so that the sensor can be accurately measured without accurately measuring the quasi-arterial, thereby enhancing the ease of use of the device.
  • FIG. 1 is a schematic structural view of a reflective multi-sensor array blood oxygen detecting device.
  • 2 is a schematic top plan view of the reflective multi-sensor array blood oxygen detecting device shown in FIG. 1.
  • Figure 3 shows the schematic diagram of the detection of optical lines during operation of the reflective multi-sensor array blood oxygenation device.
  • the reflective multi-sensor array blood oxygen detecting device shown in FIG. 1 comprises an instrument body 4, a photosensor array 1, a light emitter array 2, and a strap 7, and the light emitter array 2 is distributed around the photosensor array 1, and the light is emitted.
  • the light shielding plate 3 is disposed between the array 2 and the photosensitive sensor array 1.
  • the photosensitive sensor array 1 is provided with a light shielding plate 3 around the top and the top thereof, and only the inner portion facing the skin is received to receive the reflected light, and the photosensitive sensor array 1 is square.
  • the array, correspondingly, the light emitter array 2 is surrounded by a hollow square matching the photosensor array 1 around the photosensor array 1 (as shown in Figure 2).
  • the strap 7 can be wound around the human detecting portion 5 to perform measurement.
  • the red light and the infrared light emitted by the light emitter array 2 are reflected by the blood 6 in the human tissue and then received by the photosensitive sensor array 1, and the reflected light data collected by the photosensitive sensor is transmitted to the strip.
  • the instrument body 4 with data processing function and display function can display the blood oxygen saturation of the human body to be tested after data processing.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

一种反射式多传感器阵列血氧检测装置，包括仪器机体（4）、光敏传感器阵列（1）、光发射器阵列（2）以及绑带（7）。光发射器阵列（2）分布在光敏传感器阵列（1）周围，光发射器阵列（2）与所述光敏传感器阵列（1）之间设置有遮光板（3）。利用该血氧检测装置能通过检测人体组织反射光来实现准确、有效地测量人体组织的血氧饱和度。

Description

反射式多传感器阵列血氧检测装置 技术领域
本实用新型属于医疗器械技术领域， 具体是指一种反射式多传 感器阵列血氧检测装置。
背景技术
随着现代生活节奏的加快以及人们生活的压力的加重， 睡眠呼 吸障碍及其引发的问题已经日益成为一个突出的医疗及公共卫生问 题而得到人们的关注。 根据国际权威期刊对睡眠疾病分类， 外在或 内在因素导致的睡眠疾病达 90余种， 其中最常见者如失眠、 睡眠呼 吸暂停综合症在中国的患病率均很高。 睡眠呼吸暂停综合症的初筛 中通常都涉及血氧脉搏参数的采集， 现在市面上的用于睡眠呼吸初 筛的血氧仪大多采用单个发射和接收传感器进行透射式检测， 这种 方法将作为发射器的发光管和作为接受装置的光敏传感器设置在被 测人体组织的两侧， 让发射器发出的红光和红外光穿透人体组织， 光敏传感器接收透射光， 因为血液中血红蛋白以及氧和血红蛋白对 光的吸收率不同， 光敏传感器所采集到的透射光数据不同， 该数据 传输至带有数据处理功能和显示功能的仪器机体经数据处理后， 仪 器机体可显示出待测人体血氧饱和度。 透射式血氧仪一般需要佩戴 指套， 长时间测量时容易造成人的手指的不适， 对于指端循环较差 的病人其测量的准确性也很难保证。 近几年来， 也有学者提出不需 要检测透射光能， 而是通过检测人体组织的血红蛋白以及氧和血红 蛋白反射光亦可有效地测量人体组织的血氧饱和度。 但市面上还没 有一种效果好的反射式血氧检测仪器。
发明内容
本实用新型的目的就是要提供一种反射式多传感器阵列血氧检 测装置， 该血氧检测装置能通过检测人体组织反射光来实现有效地 测量人体组织的血氧饱和度。
为实现上述目的， 本实用新型的反射式多传感器阵列血氧检测 装置， 包括仪器机体、 光敏传感器阵列、 光发射器阵列以及绑带， 所述光发射器阵列分布在所述光敏传感器阵列周围， 所述光发射器 阵列与所述光敏传感器阵列之间设置有遮光板。
优选地， 所述遮光板还设置于光敏传感器阵列的顶部， 只留了 朝向贴近皮肤的内侧部分接收反射光， 这样能确保发光器件发出的 光无法直射到达光敏传感器， 并且能提高光敏传感器的敏感性和准 确度。
进一歩地， 所述光敏传感器阵列为圆形阵列、 方形阵列或多边 形阵列， 相应地， 所述光发射器阵列为与所述光敏传感器阵列相匹 配的圆圈形、 中空的方形或多边形形状环绕在光敏传感器阵列周围。
本实用新型的反射式多传感器阵列血氧检测装置， 将光发射器 阵列分布在所述光敏传感器阵列周围， 测定时， 光发射器阵列和光 敏传感器阵列均位于待测人体组织同侧， 人体组织中的血红蛋白以 及氧和血红蛋白对光发射器阵列的光束经反射后即能被位于中部的 光敏传感器所接收， 光敏传感器所采集到的反射光数据传输至带有 数据处理功能和显示功能的仪器机体经处理后， 即可实现通过检测 人体组织反射光来测量血氧饱和度的目的。 同时， 由于光发射器阵 列和光敏传感器阵列均位于待测人体组织同侧， 无需指套， 可以在 任何体表动脉的位置进行测量， 例如手腕桡动脉、 劲动脉等部位。 利用本实用新型对于睡眠呼吸初筛时， 可缓解长时间佩戴指套引起 的指端麻痹等不适， 也可以避免因肢体的运动造成测量设备与肢体 之间的相对移动， 从而影响测量的质量甚至采集信号中断。
本实用新型采用了传感器阵列技术， 光照强度和接收信号的强 度都比单一传感器有很大的提升， 从整体上提升了反射式血氧检测 装置的稳定性和可靠性。 本实用新型采用发光器件围绕光敏传感器 阵列的方式， 增加了光照和接收的面积， 从而不需要传感器精确对 准动脉就能进行测量， 增强了设备的易用性。
附图说明
图 1为一种反射式多传感器阵列血氧检测装置的结构示意图。 图 2 为图 1所示反射式多传感器阵列血氧检测装置的俯视结构 示意图。
图 3 为反射式多传感器阵列血氧检测装置工作时检测光线路示 意图。
具体实施方式
以下结合附图和具体实施例对本实用新型的反射式多传感器阵 列血氧检测装置作进一歩详细说明：
图 1所示的反射式多传感器阵列血氧检测装置，包括仪器机体 4、 光敏传感器阵列 1、 光发射器阵列 2以及绑带 7， 光发射器阵列 2分 布在光敏传感器阵列 1 周围， 光发射器阵列 2 与光敏传感器阵列 1 之间设置有遮光板 3，光敏传感器阵列 1的周围和顶部均设置有遮光 板 3， 只留了朝向贴近皮肤的内侧部分接受反射光， 光敏传感器阵列 1为方形阵列， 相应地， 光发射器阵列 2为与光敏传感器阵列 1相匹 配的中空的方形环绕在光敏传感器阵列 1周围 （如图 2所示）。
利用本实用新型的反射式多传感器阵列血氧检测装置给人体进 行血氧饱和度测量时， 将在绑带 7缠绕在人体检测部位 5上即可进 行测量即可。 检测时， 如图 3所示， 光发射器阵列 2发出的红光和 红外光， 经过人体组织内的血液 6反射后被光敏传感器阵列 1接受， 光敏传感器所采集到的反射光数据传输至带有数据处理功能和显示 功能的仪器机体 4， 经数据处理后， 即可显示出待测的人体血氧饱和 度。

Claims

权 利 要 求
1、 一种反射式多传感器阵列血氧检测装置， 包括仪器机体 (4) ， 其特征在于： 还包括光敏传感器阵列 （1) 、 光发射器阵列 (2) 以及绑带 （7) ， 所述光发射器阵列 （2) 分布在所述光敏传感 器阵列 （1) 周围， 所述光发射器阵列 （2) 与所述光敏传感器阵列 ( 1) 之间设置有遮光板 （3) 。
2、 根据权利要求 1所述的反射式多传感器阵列血氧检测装 置， 其特征在于： 所述遮光板 （3) 还设置于光敏传感器阵列 （1) 的顶部。
3、根据权利要求 1或 2所述的反射式多传感器阵列血氧检测装 置， 其特征在于： 所述光敏传感器阵列 （1) 为圆形阵列、 方形阵列 或多边形阵列，所述光发射器阵列（2)为与所述光敏传感器阵列（1) 相匹配的中空的圆形、 方形或多边形。
PCT/CN2014/075439 2013-05-17 2014-04-16 反射式多传感器阵列血氧检测装置 WO2014183522A1 (zh)

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US14/891,457 US20160081603A1 (en) 2013-05-17 2014-04-16 Reflection-Type Multi-Sensor Array Blood Oxygen Detection Device

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Publication number Priority date Publication date Assignee Title
CN107550498A (zh) * 2016-06-30 2018-01-09 北京超思电子技术有限责任公司 一种血氧测量装置及其测量方法
CN107550498B (zh) * 2016-06-30 2024-02-09 北京超思电子技术有限责任公司 一种血氧测量装置及其测量方法

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