TW201706003A - Closed-loop stimulating apparatus and stimulating method thereof - Google Patents

Abstract

A closed-loop stimulating apparatus and a stimulating method thereof are provided. Determine a physiological status variation of a user receiving a stimulating signal according to an electrocardiogram signal of the user, and generate a stimulating signal according to a variation the electrocardiogram signal relative to an electrocardiogram history data.

Description

Closed loop stimulation device and stimulation method thereof

The present invention relates to a stimulation device, and more particularly to a closed loop stimulation device and a stimulation method therefor.

Tran-coetaneous Electrical NeverStimulation (TENS) uses low-frequency output pulse current to relieve soreness or enhance blood circulation. In general, a transcutaneous electrical stimulator can emit low-voltage electrical pulses of different frequencies and intensities whose contact surface with the skin can be placed at acupuncture points or where it is desirable to relieve soreness or increase blood circulation.

Conventional electrical stimulation techniques usually have to rely on the user's experience to subjectively determine whether the physiological state of the subject receiving the electrical stimulation has reached a mitigating effect when performing electrical stimulation, since this method may be different due to the subjective feeling of the individual. It is impossible to know exactly where the electric stimulation is located, the intensity and the frequency... etc. is appropriate.

The present invention provides a closed loop stimulation device and a stimulation method thereof, which can accurately know a physiological state change of a user who receives a stimulation signal.

The closed loop stimulation device of the present invention includes an electrode unit, a stimulation unit, an electrocardiogram signal generation unit, a storage unit, and a control unit. The electrode unit is attached to the skin surface of the user to receive an electrical signal from the surface of the skin. The stimulation unit is coupled to the electrode unit, and outputs a stimulation signal through the electrode unit. The electrocardiogram signal generating unit is coupled to the electrode unit and converts the electrical signal to generate an electrocardiogram signal. The storage unit is coupled to the ECG signal generating unit to store the ECG history data of the user. The control unit is coupled to the electrocardiogram signal generating unit, the storage unit and the stimulation unit, and controls the stimulation unit to generate the stimulation signal according to the change of the electrocardiogram signal relative to the ECG historical data.

In an embodiment of the invention, the electrocardiogram history data includes electrocardiogram signal data for a predetermined period of time after the electrode unit starts receiving the electrical signal.

In an embodiment of the invention, the storage unit further stores the biometric data of the user, and the control unit further controls the stimulation unit to generate the stimulation signal according to the biometric data.

In an embodiment of the invention, the control unit further controls the stimulation unit to adjust the frequency and intensity of the stimulation signal.

In an embodiment of the present invention, the storage unit stores a plurality of stimulation modes corresponding to a plurality of preset mental states, and the control unit further determines the preset mental state corresponding to the user according to the electrocardiogram signal, and according to the user The preset mental state selects the corresponding stimulation mode to control the stimulation unit to generate the stimulation signal.

The stimulation method of the closed loop stimulation device of the present invention includes the following steps. An electrical signal from the surface of the user's skin is received through the electrode unit. The electrical signal is converted to generate an electrocardiogram signal. A stimulation signal is generated based on the ECG signal and the user's ECG history data.

In an embodiment of the invention, the electrocardiogram history data includes electrocardiogram signal data for a predetermined period of time after the electrode unit starts receiving the electrical signal.

In an embodiment of the invention, the stimulation method of the closed loop stimulation device further includes generating a stimulation signal according to biometric data of the user.

In an embodiment of the invention, in the stimulating method of the closed loop stimulation device, the step of generating the stimulation signal includes adjusting the frequency and intensity of the stimulation signal.

In an embodiment of the invention, the method for stimulating the closed loop stimulation device includes the following steps. The mental state of the user is judged based on the electrocardiogram signal. The stimulation signal is generated according to the user's mental state and the corresponding stimulation mode is selected.

Based on the above, the embodiment of the present invention determines the physiological state change of the user receiving the stimulation signal according to the user's electrocardiogram signal, and generates a stimulation signal according to the change of the electrocardiogram signal relative to the user's electrocardiogram historical data, according to the user's Physiological state changes accurately produce stimulation signals.

The above described features and advantages of the invention will be apparent from the following description.

1 is a schematic diagram of a closed loop stimulation device in accordance with an embodiment of the present invention, with reference to FIG. The closed loop stimulation device 100 includes an electrode unit 102, a stimulation unit 104, an electrocardiogram signal generation unit 106, a storage unit 108, and a control unit 110. The stimulation unit 104 is coupled to the electrode unit 102, and the electrocardiogram signal generation unit 106 is coupled to the electrode unit 102 and stored. The unit 108 is coupled to the stimulation unit 104, the electrocardiogram signal generating unit 106, and the storage unit 108. The electrode unit 102 can, for example, comprise two electrode patches attached to the skin surface of the user to receive electrical signals from the skin surface. The stimulation unit 104 can output the stimulation signal SM1 through the electrode unit 102 to stimulate the user, and the stimulation signal SM1 can be, for example, a current pulse signal. The electrocardiogram signal generating unit 106 can convert the electrical signal into an electrocardiogram signal S1. The storage unit 108 can store the ECG history data of the user of the closed loop stimulation device 100, that is, the ECG history data of the user receiving the stimulation signal SM1. The control unit 110 can then control the stimulation unit 104 to generate the stimulation signal SM1 according to the change of the electrocardiogram signal S1 with respect to the ECG historical data to accurately generate the stimulation signal according to the physiological state change of the user.

The ECG history data may be, for example, the user's ECG signal data stored by the storage unit 108 when the user uses the closed circuit stimulation device 100 before or before, for example, the stimulus signal when the user uses the closed circuit stimulation device 100 before storage. The intensity and frequency of SM1 and the corresponding ECG signal S1. Alternatively, the storage unit 108 can also store the ECG signal data of the preset period of the electrode unit 102 when the user uses the closed loop stimulation device 100 for the first time, and use it as the ECG history data. Thus, the stimulation unit 104 generates the stimulation signal SM1 according to the change of the electrocardiogram signal S1 with respect to the electrocardiographic history data, and the corresponding stimulation signal SM1 can be provided according to the physiological condition and the user with different physiological states to achieve the effect of the customized closed loop stimulation device 100. . For example, according to the change of the electrocardiogram signal S1 relative to the ECG historical data, the stimulation signal M1 having a frequency and intensity suitable for the user is provided to improve the efficiency of the user, and the intensity of the stimulation signal M1 is too weak or too strong, or the frequency is avoided. Too high or too low.

In some embodiments, the storage unit 108 can further store the user's biometric data, such as the user's height, weight, age, gender, body fat rate, medical history, etc., and the control unit 110 is in addition to the ECG history data. In addition to controlling the stimulation unit 104 to generate the stimulation signal SM1, the stimulation unit 104 can be controlled to generate the stimulation signal SM1 according to the biometric data to further generate a stimulation signal SM1 suitable for the user.

In addition, the storage unit 108 may also store a plurality of stimulation modes corresponding to a plurality of preset mental states, which may be, for example, excitement, nervousness, relaxation, depression, irritability, stability, and the like. The control unit 110 can analyze the activity of the sympathetic body and the parasympathetic nerve according to the electrocardiogram signal S1, thereby determining the current mental state of the user, and selecting the corresponding stimulation mode to control the stimulation unit 104 to output the stimulation signal SM1. Thus, the activity of the sympathetic and parasympathetic nerves is analyzed according to the electrocardiogram signal S1, and then the current mental state of the user is determined to allow the user to clearly grasp the influence of the stimulation signal SM1 on the physiological state of the user, without falling into subjective judgment. Providing the stimulation signal SM1 according to the user's mental state can provide a stimulation signal SM1 suitable for the user, making the use of the closed loop stimulation device 100 more efficient. It is worth noting that the ECG signal S1 can be used to determine the mental state of the user, and can also include physiological status information of many users, such as heart rate, intensity, heart rate variability, etc., which can be used as an adjustment stimulus signal. The basis of SM1 is not limited to the mental state of the above user.

2 is a schematic flow chart of a stimulation method of a closed loop stimulation device according to an embodiment of the present invention. Please refer to FIG. 2. As can be seen from the above embodiments, the stimulation method of the closed loop stimulation device may include the following steps. First, an electrical signal from the skin surface of the user is received through the electrode unit (step S202), wherein the electrode unit may include, for example, two electrode patches. Next, the electrical signal is converted to generate an electrocardiogram signal (step S204). Then, a stimulation signal is generated according to the change of the electrocardiogram signal relative to the user's electrocardiogram history data (step S206). For example, the frequency and intensity of the stimulation signal can be adjusted according to the change of the electrocardiogram signal relative to the ECG historical data. The central electrogram history data may be, for example, an ECG signal data when the user uses the closed loop stimulation device before or before, and the ECG signal data may be, for example, the intensity and frequency of the stimulation signal when the user uses the closed loop stimulation device and the corresponding ECG signal. Alternatively, the ECG historical data may be, for example, an ECG signal data for a predetermined period of time when the electrode unit starts receiving the electrical signal when the user first uses the closed loop stimulation device. In addition, in some embodiments, in step S206, the stimulation signal may be further generated according to the biometric data of the user (eg, the height, weight, age, sex, body fat rate, medical history, etc. of the user). Produce a stimulus signal suitable for the user.

3 is a schematic flow chart of a stimulation method of a closed loop stimulation device according to another embodiment of the present invention, please refer to FIG. 3. In this embodiment, the mental state of the user may be determined according to the electrocardiogram signal after step S204 (step S302), and then the corresponding stimulation mode is selected according to the mental state of the user (step S304), and finally according to the selected The stimulation mode and the mental state of the user generate a stimulation signal (step S306). Thus, generating the stimulation signal according to the change of the electrocardiogram signal relative to the ECG historical data and the mental state of the user can improve the use efficiency of the closed loop stimulation device.

In summary, the embodiment of the present invention determines the physiological state change of the user receiving the stimulation signal according to the user's electrocardiogram signal, and generates a stimulation signal according to the change of the electrocardiogram signal relative to the user's ECG historical data, according to the use. The physiological state changes of the person accurately produce a stimulation signal. In some embodiments, the stimulation signal may be generated according to the mental state of the user to further improve the use efficiency of the closed loop stimulation device.

100‧‧‧Closed loop stimulation device
102‧‧‧Electrode unit
104‧‧‧Stimulus unit
106‧‧‧ECG signal generating unit
108‧‧‧ storage unit
110‧‧‧Control unit
SM1‧‧‧Stimulus signal
S1‧‧‧ECG signal
Stimulation method steps of S202~S206, S302~S306‧‧‧ closed loop stimulation device

1 is a schematic illustration of a closed loop stimulation device in accordance with an embodiment of the present invention. 2 is a flow chart showing a stimulation method of a closed loop stimulation device in accordance with an embodiment of the present invention. 3 is a flow chart showing a stimulation method of a closed loop stimulation device in accordance with another embodiment of the present invention.

100‧‧‧Closed loop stimulation device

102‧‧‧Electrode unit

104‧‧‧Stimulus unit

106‧‧‧ECG signal generating unit

108‧‧‧ storage unit

110‧‧‧Control unit

SM1‧‧‧Stimulus signal

S1‧‧‧ECG signal

Claims (10)

A closed loop stimulation device comprising: an electrode unit attached to a skin surface of a user to receive an electrical signal from the surface of the skin; a stimulation unit coupled to the electrode unit and outputting a stimulation signal through the electrode unit An electrocardiogram signal generating unit coupled to the electrode unit to convert the electrical signal to generate an electrocardiogram signal; a storage unit coupled to the electrocardiogram signal generating unit to store an ECG history data of the user; and a control unit The electrocardiogram signal generating unit, the storage unit and the stimulation unit are coupled to control the stimulation unit to generate the stimulation signal according to the change of the electrocardiogram signal relative to the ECG historical data. The closed loop stimulation device of claim 1, wherein the electrocardiogram history data comprises electrocardiogram signal data within a predetermined period of time after the electrode unit starts receiving the electrical signal. The closed loop stimulation device of claim 1, wherein the storage unit further stores a biometric data of the user, and the control unit further controls the stimulation unit to generate the stimulation signal according to the biometric data. The closed loop stimulation device of claim 1, wherein the control unit further controls the stimulation unit to adjust the frequency and intensity of the stimulation signal. The closed loop stimulation device of claim 1, wherein the storage unit stores a plurality of stimulation modes corresponding to a plurality of preset mental states, and the control unit further determines the preset corresponding to the user according to the ECG signal. The mental state, and selecting the corresponding stimulation mode according to the preset mental state corresponding to the user, controlling the stimulation unit to generate the stimulation signal. A method for stimulating a closed loop stimulation device, comprising: receiving an electrical signal from a skin surface of a user through an electrode unit; converting the electrical signal to generate an electrocardiogram signal; and an electrocardiogram history of the user according to the ECG signal The data produces the stimulation signal. The method of stimulating a closed loop stimulation device according to claim 6, wherein the electrocardiogram history data comprises electrocardiogram signal data within a predetermined period of time after the electrode unit starts receiving the electrical signal. The stimulation method of the closed loop stimulation device according to claim 6, further comprising: generating the stimulation signal according to a biometric data of the user. The stimulating method of the closed loop stimulation device according to claim 6, wherein the step of generating the stimulation signal comprises: adjusting a frequency and an intensity of the stimulation signal. The stimulation method of the closed loop stimulation device according to claim 6, comprising: determining a mental state of the user according to the electrocardiogram signal; and generating the stimulation signal according to the mental state of the user to select a corresponding stimulation mode.