Wireless biological signal communication terminal, wireless biological signal communication system, and wireless biological signal monitoring system

Patent metadata

Field	Value
Publication number	US-2020022600-A1
Application number	US-201716335583-A
Country	US
Kind code	A1
Filing date	Sep 22, 2017
Priority date	Sep 23, 2016
Publication date	Jan 23, 2020
Grant date	—

Abstract

A wireless biological signal communication terminal is provided with: a sensor unit which detects a biological signal; an A/D converting unit which performs A/D conversion of the biological signal in accordance with a set sampling frequency to obtain biological signal data; a recording unit which records a plurality of items of A/D converted biological signal data; a control unit which processes the plurality of items of biological signal data recorded by the recording unit in a prescribed period of time; a wireless module unit and an antenna which wirelessly transmit the result of the processing performed by the control unit to an external device; and a power supply unit which supplies power to drive the devices.

First claim

1 . A wireless biological signal communication terminal comprising:
biological signal detection means for detecting a biological signal; A/D conversion means for converting the biological signal from analog to digital according to a set sampling frequency to generate biological signal data; storage means for storing a plurality of pieces of the biological signal data converted from analog to digital according to the sampling frequency; processing means for processing, within a predetermined period, the plurality of pieces of biological signal data that are stored in the storage means; wireless transmission means for wirelessly transmitting results of processing by the processing means to an external device; and power supply means for supplying power for driving the biological signal detection means, the A/D conversion means, the storage means, the processing means, and the wireless transmission means, the wireless transmission means being driven to wirelessly transmit results of the processing by the processing means to the external device when the biological signal data is processed by the processing means, and the wireless transmission means not being driven and not wirelessly transmitting data to the external device when the plurality of pieces of biological signal data are not yet processed or are currently being processed by the processing means.

2 . The wireless biological signal communication terminal according to claim 1 ,
wherein the biological signal data is waveform data on the biological signal, and wherein the processing means performs signal averaging processing on a plurality of pieces of the waveform data to generate averaged waveform data.

3 . The wireless biological signal communication terminal according to claim 1 , further including switching means for switching the sampling frequency.

4 . The wireless biological signal communication terminal according to claim 1 , wherein the biological signal detection means includes an electric sensor, a magnetic sensor, an acceleration sensor, or any combination thereof.

5 . A wireless biological signal communication system comprising:
the wireless biological signal communication terminal and the external device of claim 1 , the external device including: reception means for receiving results of processing by the processing means that are transmitted from the wireless transmission means; and display means for displaying the results received by the reception means.

6 . A wireless biological signal monitoring system comprising:
electrical stimulation generation means for generating periodic electrical stimulation a plurality of times in one cycle; biological signal detection means for detecting one biological signal for each of the plurality of times of electrical stimulation; A/D conversion means for converting the biological signals from analog to digital at each detection according to a set sampling frequency to generate a plurality of pieces of biological signal data; storage means for storing a plurality of pieces of the biological signal data converted to digital according to the sampling frequency; processing means for collectively processing the plurality of pieces of biological signal data stored in the storage means in one cycle of electrical stimulation; wireless transmission means for wirelessly transmitting results of processing by the processing means; reception means for receiving the results of processing by the processing means that are transmitted from the wireless transmission means; display means for displaying the results received by the reception means; and power supply means for supplying power for driving the biological signal detection means, the A/D conversion means, the storage means, the processing means, and the wireless transmission means, the power supply means supplying power to the wireless transmission means while the wireless transmission means wirelessly transmits the results of processing by the processing means, and not supplying power to the wireless transmission means during detection by the biological signal detection means, conversion by the A/D conversion means, storage by the storage means, and processing by the processing means.

7 . The wireless biological signal communication terminal according to claim 2 , further including switching means for switching the sampling frequency.

8 . The wireless biological signal communication terminal according to claim 2 , wherein the biological signal detection means includes an electric sensor, a magnetic sensor, an acceleration sensor, or any combination thereof.

9 . The wireless biological signal communication terminal according to claim 3 , wherein the biological signal detection means includes an electric sensor, a magnetic sensor, an acceleration sensor, or any combination thereof.

10 . A wireless biological signal communication system comprising:
the wireless biological signal communication terminal and the external device of claim 2 , the external device including: reception means for receiving results of processing by the processing means that are transmitted from the wireless transmission means; and display means for displaying the results received by the reception means.

11 . A wireless biological signal communication system comprising:
the wireless biological signal communication terminal and the external device of claim 3 , the external device including: reception means for receiving results of processing by the processing means that are transmitted from the wireless transmission means; and display means for displaying the results received by the reception means.

12 . A wireless biological signal communication system comprising:
the wireless biological signal communication terminal and the external device of claim 4 , the external device including: reception means for receiving results of processing by the processing means that are transmitted from the wireless transmission means; and display means for displaying the results received by the reception means.

Assignees

• Univ Nat Corp Tokyo Medical & Dental
• Tdk Corp

Inventors

• Kawabata Shigenori
• Ushio Shuta
• Shibuya Tomohiko

Classifications

• A61B5/0004 Primary

  characterised by the type of physiological signal transmitted · CPC title

• A61B2560/0209

  adapted for power saving · CPC title

• A61B5/4041

  Evaluating nerves condition · CPC title

• A61B5/7225

  Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation (input circuits for detecting, measuring, or recording bioelectric or biomagnetic signals A61B5/30; specific diagnostic methods using bioelectric or biomagnetic signals A61B5/316) · CPC title

• A61N1/0456

  Specially adapted for transcutaneous electrical nerve stimulation [TENS] · CPC title