Combined sensor

A sensor and combined technology, applied in the fields of sensors, medical science, using spectrum diagnosis, etc., can solve the problems of low detection efficiency, not completely solving the problem of jointing the sensor bracket and the curved surface of the scalp, and poor practicability

Inactive Publication Date: 2018-04-03
首都儿科研究所
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

The technical solution of this patent has its own limitations, the number of electrodes is dense, and it is not conducive to combined use, and it has not completely solved the problem of bonding the sensor bracket with the curved surface of the scalp, and its practicability is poor.
The shape of the traditional sensor The sensor fixing plate is mostly rectangular, and there are few combination methods. It cannot be combined to form a curved surface that can fit naturally with the head, and the detection effect is poor.
In addition, when the operator uses an independently installed photoelectric synchronous detection sensor for detection, the fNIRS light source, fNIRS light signal sensor, and EEG electrodes need to be fixed separately, and the detection efficiency is low

Method used

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Embodiment 1

[0031] figure 1 , 2 , 3 shows a combined sensor: including a sensor fixing plate and a sensor, the sensor is fixed in the mounting hole on the sensor fixing plate, the sensor fixing plate is made of synthetic rubber, and the outer edge of the sensor fixing plate is an isosceles trapezoid , the width of the upper bottom is 55mm, the width of the lower bottom is 65mm, the height is 60mm, and the thickness is 4mm. Signal sensor (D), four EEG electrodes (E), the centers of the detection points of the eight sensors are arranged in a square, with the center as the vertex, and the side length of the square is 30mm, wherein the fNIRS light source emission point (S') Located on the two vertices of the diagonal of the square, the detection point (D') of the fNIRS optical signal sensor is located on the two vertices of the other diagonal of the square, and the EEG electrode contacts (E') are respectively located at the midpoints of the four sides of the square There are eight oblong co...

Embodiment 2

[0035] Figure 4 Shown is a combined photoelectric synchronous brain activity detector sensor: it is composed of two combined sensors of Embodiment 1 connected in the same direction through the waist-waist, that is, the two combined sensors are placed in the same direction, and connected through the waist The holes are connected and spliced ​​together to form an eight-channel detection surface, which can be used for the detection of the parietal lobe area.

Embodiment 3

[0037] Figure 5 Shown is a combined photoelectric synchronous brain activity detector sensor: it is composed of two combined sensors of Embodiment 1 through bottom-to-bottom connections, that is, the two combined sensors are placed in opposite directions and connected through the connection holes at the bottom Spliced ​​together to form an eight-channel detection surface, it can be used for the detection of the occipital lobe and central area.

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Abstract

The invention discloses a combined sensor, which comprises a sensor fixing plate and sensors, wherein the sensors are fixed into mounting holes in the sensor fixing plate; the outer edge of the sensorfixing plate is represented as a trapezoid; with the application of the combined sensor, functions of near infrared spectroscopy & electroencephalography can be achieved; and in accordance with different connecting modes of the combined sensor, combined detection surfaces, which are different in size, shape and the number of detection channels can be defined; a curved surface, which naturally fits to the appearance of a skill, is formed; and detection demands of sensors for skulls of different parts and sizes can be satisfied.

Description

technical field [0001] The invention relates to a combined sensor. Background technique [0002] Photoelectric synchronous brain activity detector (Near infrared spectroscopy & Electroencephalography, referred to as NEG). Functional near-infrared brain imaging (fNIRS) technology is a non-invasive optical brain function detection method, which can detect oxygenated hemoglobin (HbO 2 ) concentration and other indicators are measured at multiple points to reflect the functional state of the cerebral cortex. [0003] In clinical practice, to locate the epileptic focus, it is generally first to judge whether the seizure symptoms correspond to the abnormal discharge waveform and location of the electroencephalogram (EEG). The 20% system determines the placement position of the electrodes, referred to as the 10-20 system. First determine the baseline: the anterior-posterior line from the nasion to the external occipital tuberosity is 100%, from the nasion to the back is FPz (fro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/0476
CPCA61B5/0075A61B5/4094A61B5/6803A61B5/6814A61B5/369
Inventor 杨健王昕
Owner 首都儿科研究所
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