CN211985399U - Human physiological signal acquisition equipment - Google Patents

Abstract

The utility model provides a human physiology signal acquisition equipment, this equipment are through the vibration signal that uses at least one acceleration sensor to gather the testee in the head eye region of testee, then carry out the filtering to the vibration signal who gathers and enlarge, fall the processing analysis such as noise, and then obtain the heart rate signal and the respiratory signal of testee.

Description

Human physiological signal acquisition equipment

Technical Field

The utility model relates to a physiological signal gathers the field, concretely relates to human physiological signal collection equipment.

Background

The human physiological signals can reflect the health status, and the common human physiological signals include heart rate, respiration, body temperature, blood sugar, blood pressure and the like. Various physiological signal acquisition devices are available in the market, such as an electrocardiogram monitor, a mercury sphygmomanometer and the like which are specially used in hospitals; also watch type electrocardio acquisition equipment, electronic wrist type blood pressure instrument and the like which are suitable for daily use of users.

At present, the attention of the public to the sleep quality is rising day by day, and sleep monitoring products are more and more popular. In hospital environment, a multi-lead sleep monitor is generally adopted to monitor the sleep condition of a subject, and finally, the sleep quality of a patient can be objectively evaluated through acquisition of multi-channel physiological signals such as electrocardiosignals, respiratory signals, electroencephalogram signals, electromyogram signals and the like, so that the sleep time, the sleep efficiency and stage monitoring can be carried out, and diseases such as sleep apnea and the like can be diagnosed. However, the complicated cable connection of the multi-lead sleep monitor reduces the comfort level of the patient test, meanwhile, the pulling of the cable in the test process affects the accuracy of the test and the success rate of the test, the complicated cable connection needs to be guided by the operation of a professional doctor, and the test result is easily interfered by the hospital environment and the test device. On the other hand, the use of polysomnography requires a specific hospital site and bed and requires a high input of manpower. Therefore, sleep monitors for home use are becoming an urgent need for the public.

At present, most of household portable devices available on the market for acquiring physiological signals during sleep are bracelet watches, which are mainly used for counting the sleep time of users and cannot meet the functional requirements of the public on sleep monitoring, such as sleep stage, sleep quality and sleep apnea event monitoring. Other products capable of realizing functional sleep monitoring mainly collect human physiological signals in a binding belt or sticking electrode mode, but the signal collection mode inevitably causes discomfort to users, influences the sleep condition of the users and is not suitable for long-term use.

Disclosure of Invention

In order to solve the above problem, the utility model also provides a human physiological signal collecting device, this equipment includes: a covering at least a portion of a cephalic region of a subject; a flexible circuit board disposed inside the cover; the acceleration sensor is arranged on the flexible circuit board, is positioned in a contact range of the covering and the head and eye region and is used for collecting vibration signals; a wearable portion for securing the covering on the head or around the eyes of the subject. Wherein the covering covers at least one of the periocular position, the temple position and the forehead position.

Further, the device is also provided with a processor on the flexible circuit board, and the processor is configured to extract a heart rate signal and a respiration signal from the vibration signal collected by the acceleration sensor.

The utility model provides a pair of human physiology signal equipment specifically can make the form of eye-shade, and the portion of wearing is the belt of eye-shade, and the cover is the part that covers eyes. An acceleration sensor arranged in the eyeshade can be arranged at a position correspondingly covering the circumference of the eye, so that the processor can extract a respiration signal and a heart rate signal from a vibration signal acquired by the acceleration sensor and can also obtain an eye movement signal; another embodiment is to separately provide acceleration sensors at the periphery of the eye for acquiring eye movement signals, and other acceleration sensors on the eye mask can be arranged at the forehead, the temple and other positions for acquiring breathing signals and heart rate signals. In addition, a thermistor or a pressure sensor can be arranged on the part of the eyeshade close to the nasal wing part for collecting nasal airflow signals; a microphone can also be arranged in the eyeshade for collecting sound signals, and snore signals are extracted through a processor.

The human body signal acquisition equipment can be directly used for sleep monitoring, and can be used for carrying out sleep state identification, sleep staging and sleep apnea time monitoring by analyzing various acquired signals.

The utility model provides a human physiology signal acquisition method and equipment are applicable to long-term use, and equipment is worn at the face of experimenter, and the experimenter does not take place the contact with clothes and quilt when sleeping, compares in the mode signal acquisition that the wrist was worn reliable and stable more. And simultaneously, the utility model provides a human physiology signal acquisition method and sensor that equipment used need not external cable, and presents with the form of eye-shade, and the collection that carries out physiology signal when the testee sleeps can not cause the discomfort of testee, can not disturb its sleep condition yet. In addition, in specific implementation mode, through the utility model provides a physiological signal that collection method and equipment gathered contains heart rate signal, respiratory signal, eye movement signal, nose air current signal, snore signal etc. carries out analysis processes alright realize the monitoring of sleep state, sleep stage and sleep apnea incident to multiple signal.

Drawings

FIG. 1 is a block diagram of a human physiological signal collecting apparatus according to an embodiment;

FIG. 2 is an exploded view of a human physiological signal collecting device according to a first embodiment;

fig. 3a to 3c are schematic wearing diagrams of a human physiological signal collecting device according to a first embodiment;

FIG. 4 is a schematic external view of a human physiological signal collecting apparatus according to a second embodiment;

FIG. 5 is a diagram of an internal structure of the human physiological signal collecting apparatus according to the second embodiment;

fig. 6 is a wearing schematic diagram of the human physiological signal acquisition device provided by the second embodiment;

Detailed Description

Example one

The present embodiment describes a human physiological signal collecting device 100, and fig. 1 is a frame diagram of the device 100, wherein the device 100 comprises an acceleration sensor 10, a processor 20, a storage unit 40 and a battery 30 for supplying power to the device 100. The acceleration sensor 10 is used for acquiring an acceleration signal of the subject, and in the present embodiment, the acceleration sensor 10 is used for acquiring a vibration signal of the face of the subject, and more specifically, a vibration signal of the head and eye region of the subject. The processor 20 is configured to process and analyze the vibration signals transmitted by the acceleration sensor 10, wherein the processing of the signals includes filtering and denoising, signal amplification, signal separation, and signal extraction, wherein the signal extraction refers to extracting a respiration signal and a heart rate signal from the acquired raw vibration signals. The signal extraction can be to directly separate the respiration signal and the heart rate signal from the vibration signal according to a specified filtering threshold, or to obtain the heart rate and the respiration signal by other methods. The storage unit 40 is used for storing the result obtained by the processor 20 and outputting the result to an external device through an interface (not shown); or a wireless transmission unit connected to the storage unit 40 may be added to the apparatus 100 for transmitting the result to an external device or software platform in real time or on demand.

Fig. 2 shows a schematic separation of the device 100, the device 100 comprising, in addition to the acceleration sensor 10, the processor 20, the battery 30, the memory unit 40, a circuit board 50, a wearing part 60 for fixing the device 100 to the test area, and a cover 70. The circuit board 50 may be a flexible circuit board for connecting electronic components. For comfort, the cover 70 is preferably a lightweight elastic material with a thickness, and the cover 70 covers the electronic components through the upper and lower layers, and the electronic components in the middle layer do not slide in the cover 70. The wearing portion 60 may be provided with an adhesive layer on the side contacting the skin of the subject, as in fig. 2; or may be strapped or otherwise secured to the subject's skin.

When physiological signal acquisition is performed, the device 100 is worn on the head and eye region of the subject, the wearing position of the device can refer to fig. 3a to 3c, and the acceleration sensor 10 preferably performs signal acquisition at temples, forehead and periphery of eyes. Compared with products such as belts adhered to chest or chest and abdomen, the human physiological signal acquisition equipment 100 provided by the embodiment does not need to take off clothes when in use, is simple to wear, and can acquire signals anytime and anywhere; compared with the equipment worn on the wrist, the equipment worn on the head and eye area can not contact with the bed to generate interference signals when the physiological signals are acquired in the sleep state, and the problem of unstable signal acquisition is solved.

The human physiological signal acquisition equipment 100 provided by the embodiment is simple to operate, the acceleration signal of the subject is acquired in the head and eye region, and the monitoring on the heart rate signal and the respiratory signal can be realized after the acceleration signal is processed.

Example two

Fig. 4 to 6 show a human physiological signal collecting device 200 provided by the present embodiment.

As shown in fig. 4, the device 200 provided in this embodiment is in the shape of an eyecup, and includes an outer cover 270 and a wearing portion 260, wherein the wearing portion 260 is an elastic band, and the device 200 can be fixed in a head-mounted manner during use.

Fig. 5 is a schematic diagram of the internal structure of the device 200, i.e., the structure that is received by the housing 270.

The device 200 is provided with three acceleration sensors, wherein two acceleration sensors 211 and 212 are symmetrically arranged at corresponding positions of eye sockets of the eyeshade and can be used for collecting eye movement signals of a subject; the acceleration sensor 213 is used to collect the vibration signal described in the first embodiment, and its specific position may be set at the corresponding position of temple as shown in fig. 5, or may be set near the optical sensor 283 or near the acceleration sensors 211 and 212. In other embodiments, the acceleration sensors 211 and/or 212 may be used instead of the acceleration sensor 213, and the acquisition of the eye movement signal and the vibration signal may be performed simultaneously, so that the acceleration sensor 213 is not required.

The device 200 is further provided with a nasal airflow sensor 281, which may be embodied as a thermistor or pressure sensor, which is embodied as an eye mask positioned adjacent to the nasal wings and which is not shielded by the housing 270 on the side in contact with the skin of the subject in order to obtain a nasal airflow signal. The device 200 may be configured to collect sound signals via a microphone 282 disposed near a lower portion of the eye mask, in this embodiment, mainly for obtaining snore signals; in other applications, the method can be used for collecting environmental sounds. Meanwhile, the device 200 also collects the blood oxygen saturation degree through the optical sensor 283 arranged at the forehead part, and the side of the optical sensor 283 contacted with the skin is not shielded by the outer cover 270.

The device 200 further comprises a processor 220, a power supply 230 and a memory unit 240, the electrical connections of the various electronic components being realized by means of a flexible circuit board 250. The processor 220 is configured to analyze and process the human physiological signals acquired by the acquisition sensors, and finally extract physiological signals including a heart rate signal, a respiratory signal, an eye movement signal, a nasal airflow signal, a snore signal, a blood oxygen saturation level, a body movement signal and the like; the extracted physiological signals are stored in the storage unit 240, and data can be transmitted to an external device or a software platform in a wireless form or an interface.

The device 200 is worn in use as shown in fig. 6, with the mask 270 covering the subject's face area including the forehead, temples, eye circumference, and near the alar part of the nose. When the device is used, the contact position of the nasal airflow sensor 281 needs to be noticed, the eye mask 270 is adjusted to enable the nasal airflow sensor 281 to be close to the nasal wing of a subject, and a catheter for collecting the nasal airflow can be connected outside the nasal airflow sensor 281 for further accurately measuring the nasal airflow signals.

Compared with the first embodiment, which provides the human physiological signal collecting device 100, the device 200 of the present embodiment is particularly suitable for sleep monitoring. For the purpose of sleep monitoring, the processor 220 may be further configured to differentiate between sleep and awake states based on all signals collected, and to enable sleep staging determination and monitoring of sleep apnea events.

Compared with the existing sleep monitoring product, the human physiological signal acquisition equipment 200 provided by the embodiment has the advantages of being combined with an eye mask, comfortable to wear, free of influence on sleep of a subject, and stable in signal acquisition; meanwhile, various physiological signals are collected, so that sleep stages and sleep apnea events can be monitored.

In addition to the above embodiments, the eye mask may further include electrodes for testing eye electrical signals and electrodes for testing myoelectrical signals, which are used to collect more physiological signals of human body.

The above embodiments only describe and present the present invention, the present invention is not limited to the scope of the above disclosed embodiments, and any modifications covered by the claims or equivalent are all included in the protection scope of the present invention.

Claims (6)

1. A human physiological signal acquisition device, comprising:

a covering at least a portion of a cephalic region of a subject;

the acceleration sensor is arranged in the covering and is positioned in a contact range of the covering and the head and eye region, and is used for collecting vibration signals;

a wearable portion for securing the covering on the head or around the eyes of the subject.

2. The human body physiological signal acquisition device according to claim 1, wherein the cover covers at least one of a periocular position, a temple position and a forehead position.

3. The human body physiological signal acquisition device according to claim 2, further comprising a processor, wherein the processor is connected with the acceleration sensor through a flexible circuit board, and the processor is configured to receive the vibration signal acquired by the acceleration sensor and extract at least one of a respiration signal and a heart rate signal.

4. The human body physiological signal acquisition device according to claim 3, wherein the cover and the wearing part form an eye mask.

5. The human physiological signal acquisition device according to claim 4, wherein the eye mask comprises at least one acceleration sensor disposed around the eyes, and the acceleration sensor disposed around the eyes can be used for acquiring eye movement signals.

6. The human physiological signal acquisition device of claim 4, wherein the eye mask is further provided with a sensor for acquiring a nasal airflow signal; a microphone is also arranged in the eyeshade and used for collecting snore signals; the sensor for collecting the nasal airflow and the microphone are connected with the processor through the flexible circuit board.

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