Remaining use time measuring and calculating method and system of brain pacemaker, charging reminding method and system and storage medium

Abstract

The invention discloses a remaining use time measuring and calculating method and system of a brain pacemaker, a charging reminding method and system and a storage medium. The method comprises the following steps: S1, acquiring the consumed electric quantity of each working module of the brain pacemaker in unit time, and calculating the total consumed electric quantity of the brain pacemaker in unit time according to the consumed electric quantity of each working module; s2, the brain pacemaker evaluates the relationship between the voltage and the residual electric quantity according to the battery discharge curve, and calculates the residual electric quantity according to the voltage; and S3, the brain pacemaker calculates the remaining use time through the total consumed electric quantity and the remaining electric quantity in the unit time. When the brain pacemaker is connected with the patient program control instrument, the patient program control instrument reads the remaining service time of the battery of the brain pacemaker, if the remaining service time is smaller than the preset threshold value, a user is reminded, and charging can be conducted in time. The measuring and calculating method is simple, the calculated amount is small, the microprocessor arranged in the brain pacemaker can carry out processing, and excessive electricity cannot be consumed additionally.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and in particular to a method for calculating the remaining use time of a rechargeable brain pacemaker, a charging reminder method, a charging reminder system and a storage medium. Background Art

[0002] Brain pacemaker For rechargeable pacemakers, the battery power can only support the pacemaker to work for a few days at a time. When the power is low, the patient needs to charge it. The remaining usage time is information that patients are more concerned about, especially before going to bed at night. If the remaining power of the pacemaker is not enough to support the pacemaker to work until the next morning, the patient will become ill at night due to the pacemaker stopping working due to low power, which will affect the patient's rest. If the patient goes out to work or activities, the remaining working time of the pacemaker can help the patient determine whether he needs to bring a charger.

[0003] Existing methods include: 1. Existing equipment only provides voltage information but cannot give the remaining usage time; patients are required to estimate the remaining working time of the pacemaker by themselves through the battery voltage. Due to different stimulation parameters, the operating time of the same voltage is also different, so it is easy to cause misjudgment.

[0004] 2. Use machine learning to learn battery usage and estimate power; such as the power monitoring methods disclosed in CN106093795B and CN106249159B, but they cannot give the remaining usage time. The method of calculating power through machine learning is relatively complex, has high requirements on the computing performance of the microprocessor, and is relatively power-consuming. It cannot be run on a brain pacemaker and can only be calculated with the help of external devices.

[0005] Therefore, the method used by the existing equipment to calculate the power information is very complicated and cannot be run on the brain pacemaker. It is necessary to provide a simple method for calculating the remaining use time of the brain pacemaker and reminding it. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a method for calculating the remaining usage time of a brain pacemaker, a charging reminder method, a system and a storage medium. The calculation method is simple and the calculation amount is small.

[0007] To solve the above technical problems, the present invention provides a method for calculating the remaining usage time of a brain pacemaker, wherein the brain pacemaker includes multiple working modules, and comprises the following steps: S1: obtaining the power consumption per unit time of each working module of the brain pacemaker, and calculating the total power consumption of the brain pacemaker per unit time according to the power consumption of each working module; S2: the brain pacemaker evaluates the relationship between the voltage and the remaining power according to the battery discharge curve, and calculates the remaining power according to the voltage; S3: the brain pacemaker calculates the remaining usage time through the total power consumption per unit time and the remaining power.

[0008] Furthermore, the brain pacemaker includes a power module, a first wireless communication module, a main controller module and an output drive module, and the step S1 includes: obtaining the power consumption P1 per unit time when the power module works alone, obtaining the power consumption P2 per unit time when the first wireless communication module works alone, obtaining the power consumption P3 per unit time when the main controller module works alone, and measuring and obtaining the power consumption P4 per unit time when the output drive module works alone; wherein P1, P2, and P3 are constants, P4 includes the power consumption P5 per unit time of the components constituting the output drive module and the power consumption P6 per unit time of the load during stimulation output, P6=I*t*(unit time / f), t is the pulse width, I is the current, and f is the frequency. While the power module and the main controller module are working, the current I is set, the stimulation is turned on, and the total power consumption P0 per unit time is recorded, then P5=P0-P1-P3-P6.

[0009] Furthermore, step S3 includes: when the brain pacemaker is working, reading the current battery voltage to calculate the remaining power, reading the current stimulation parameters to calculate the total power consumed per unit time, and then calculating the remaining usage time t=battery remaining power / power consumed per unit time with the current parameters.

[0010] Furthermore, step S3 includes: if the remaining usage time is greater than 10 minutes, the remaining usage time is read and calculated once every 10 minutes; if the remaining usage time is less than or equal to 10 minutes and greater than 0 minutes, the remaining usage time is read and calculated once every 1 minute; when the remaining usage time is 0 minutes, the brain pacemaker will stop working and enter a shutdown state until the battery power is greater than 20%.

[0011] Furthermore, the power module model is RT9193, the first wireless communication module model is NRF52832-QFAA-R, the main controller module model is STM32L496xx, and the output driver module model is TS3A27518EPWR.

[0012] In order to solve the above technical problems, the present invention also provides a charging reminder method for a rechargeable brain pacemaker, including the above-mentioned calculation method and the following steps: S4: When the brain pacemaker is connected to the patient programmer, the patient programmer reads the remaining battery life of the brain pacemaker. If the remaining battery life is less than a preset threshold, the user is reminded.

[0013] Furthermore, step S4 includes: each time the patient programmer is connected to the brain pacemaker, it will read the remaining usage time of the brain pacemaker. If the remaining usage time is less than 2 hours, an alarm will be issued to remind the user to charge in time.

[0014] Furthermore, the reminder method in step S4 includes interface display information, sound and / or vibration.

[0015] In order to solve the above technical problems, the present invention also provides a charging reminder system for a brain pacemaker, comprising a brain pacemaker and a patient programmer, wherein the brain pacemaker comprises a first power module, a first wireless communication module, a first main controller module and an output drive module, and the patient programmer comprises a second power module, a second wireless communication module, a second main controller module and a reminder module, and the first wireless communication module and the second wireless communication module are communicatively connected; when the brain pacemaker is working, the main controller module reads the total power consumed by the first power module, the first wireless communication module and the main controller module per unit time and the remaining battery power, and calculates the remaining battery life; when the patient programmer is connected to the brain pacemaker, the control module reads the remaining battery life, and if the remaining battery life is less than a preset threshold, the reminder module reminds the user.

[0016] In order to solve the above technical problem, the present invention also provides a storage medium containing computer executable instructions, characterized in that the computer executable instructions are used to execute the method of reminding the user to charge as described in claim 6 or 7 when executed by a computer processor.

[0017] Compared with the prior art, the present invention has the following advantages: the remaining use time calculation method, charging reminder method, system and storage medium of the brain pacemaker provided by the present invention measure the current consumed by each component of the brain pacemaker when it is working, and then measure the current consumed by the whole device in combination with different stimulation parameters, and then calculate the remaining working time of the brain pacemaker through the remaining battery power. Because the measurement method is a simple formula, the calculation amount is small, and it is a single calculation, the built-in microprocessor of the brain pacemaker can be processed, and no extra excessive power will be consumed. In addition, the brain pacemaker has the data required for calculation, which can be calculated in real time, and the reliability is higher. The remaining power of the battery is converted into the remaining use time, which is more convenient for patients to use. The remaining working time is calculated by the brain pacemaker, and the patient's program controller regularly queries the remaining working time information of the brain pacemaker. When the remaining working time is less than the set threshold, the patient is reminded by vibration, sound and display information, so that charging can be timely and more intuitive. In this way, the patient can arrange whether to charge according to the remaining working time, and the patient's rest will not be affected by lack of power at night. If the patient goes out for work or activities, the remaining working time of the brain pacemaker can help the patient determine whether to bring a charger. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a flow chart of calculating the remaining usage time of a brain pacemaker in an embodiment of the present invention; Figure 2 is a discharge curve diagram of a battery in an embodiment of the present invention; Figure 3 Schematic diagram of the framework of a brain pacemaker and a patient programmer in an embodiment of the present invention; Figure 4 Schematic diagram of the working process of the brain pacemaker in the embodiment of the present invention; Figure 5 Schematic diagram of the workflow of the patient programming instrument in an embodiment of the present invention. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1 The present invention provides a method for calculating the remaining use time of a brain pacemaker, wherein the brain pacemaker includes a plurality of working modules and a rechargeable battery. In a specific embodiment, the brain pacemaker includes a power module, a first wireless communication module, a main controller module and an output drive module, and specifically includes the following steps: S1: Obtain the power consumption per unit time of each working module of the brain pacemaker, and calculate the total power consumption of the brain pacemaker per unit time according to the power consumption of each working module. Specifically, obtain the power consumption per unit time P1 when the power module works alone, obtain the power consumption per unit time P2 when the first wireless communication module works alone, obtain the power consumption per unit time P3 when the main controller module works alone, and measure and obtain the power consumption per unit time P4 when the output drive module works alone; wherein P1, P2, and P3 are constants, P4 includes the power consumption per unit time P5 of the components constituting the output drive module and the power consumption per unit time P6 of the load during stimulation output, P6=I*t*(unit time / f), t is the pulse width, I is the current, and f is the frequency. When the power module and the main controller module are working, set the current I, turn on the stimulation, and record the total power consumption per unit time P0, then P5=P0-P1-P3-P6. The power module, the first wireless communication module, and the main controller module can all be selected from existing models. In the first embodiment, the power module model is RT9193, which is a linear regulator (LDO) power module produced by RICHTEK (Taiwan Richtek), and the operating current is 21.7μA; the first wireless communication module model is NRF52832-QFAA-R, which is a high-performance, low-power wireless SoC (system-on-chip) launched by Nordic Semiconductor, and the operating current I2 is 12μA; the main controller module model is STM32L496xx, which is an ultra-low-power microcontroller based on the high-performance Arm Cortex-M4 32-bit RISC core launched by STMicroelectronics, and the operating current I3 is 80μA; the output driver module model is TS3A27518EPWR, which is a Texas Instruments (Texas Instruments) The integrated circuit (IC) is produced by TI Instruments (TI for short). Specifically, it is an analog switch, multiplexer / demultiplexer with an operating current I5 of 110μA.

[0021] S2: The pacemaker evaluates the relationship between voltage and remaining power according to the battery discharge curve, and calculates the remaining power according to the voltage; Figure 2 is a discharge curve of a battery, according to Figure 2 The relationship between the battery voltage and the remaining power can be determined. Each rechargeable battery has its own discharge curve. Figure 2 Just an example.

[0022] S3: The pacemaker calculates the remaining usage time by the total power consumed per unit time and the remaining power. Figure 4 When the brain pacemaker is working, it reads the current battery voltage to calculate the remaining power, reads the current stimulation parameters to calculate the total power consumed per unit time, and then calculates the remaining usage time t = battery remaining power / current parameter power consumed per unit time. Furthermore, if the remaining usage time is greater than 10 minutes, the remaining time is read and calculated once every 10 minutes. If the remaining usage time is less than or equal to 10 minutes and greater than 0 minutes, the remaining time is read and calculated once every 1 minute. When the remaining usage time is 0 minutes, the brain pacemaker will stop working and enter the shutdown state until the battery power is greater than 20%.

[0023] In the parameters in the following table given in the first embodiment, it is assumed that the current remaining power of the battery is 20 mAh.

[0024] The usable time without stimulation is: 20mAh / (0.0217+0.012+0.08)mAh / h≈175.9(h), 175.9 / 24≈7.3(days) When stimulation is turned on: pulse width t: 100μs, current I: 3.0mA, frequency f: 100Hz The period is 1 / 100 Hz = 0.01 s = 10 ms = 10000 μs Average current consumed per hour: 3mA*100us / 10000us=0.03mA Power consumption per hour: 0.03mA*1h / h=0.03mAh / h Remaining usage time: 20mAh / (0.0217+0.012+0.08+0.11+0.03)mAh / h≈78.8 (h), 78.8 / 24≈3.28 (days) The present invention also provides a charging reminder method for a rechargeable brain pacemaker, comprising the above-mentioned calculation method and the following steps: S4: When the brain pacemaker is connected to the patient programmer, the patient programmer reads the remaining battery life of the brain pacemaker. If the remaining battery life is less than a preset threshold, the user is reminded. Figure 5 Each time the patient programmer is connected to the pacemaker, it will read the remaining usage time of the pacemaker. If the remaining usage time is less than 2 hours, an alarm will be issued to remind the user to charge in time. The reminder method includes interface display information, sound and / or vibration. If the remaining usage time is greater than or equal to 2 hours, wait for one hour and then connect to the pacemaker to read the remaining usage time of the pacemaker, and continue the above judgment.

[0025] See also Figure 3The present invention also provides a charging reminder system for a brain pacemaker, including a brain pacemaker and a patient programmer, wherein the brain pacemaker includes a first power module, a first wireless communication module, a main controller module and an output drive module, wherein the first power module provides power for the brain pacemaker; the patient programmer includes a second power module, a second wireless communication module, a control module and a reminder module, wherein the second power module provides power for the patient programmer, and the first wireless communication module and the second wireless communication module are in communication connection. When the brain pacemaker is working, the main controller module reads the total power consumed by the first power module, the first wireless communication module and the main controller module in a unit time and the calculated remaining battery power, and calculates the remaining battery life. When the patient programmer is connected to the brain pacemaker, the control module reads the remaining battery life. If the remaining battery life is less than a preset threshold, the reminder module reminds the user, and the reminder method includes interface display information, sound or / and vibration.

[0026] The present invention also provides a storage medium containing computer executable instructions, and the computer executable instructions are used to execute the above-mentioned method of reminding a user to charge when executed by a computer processor.

[0027] In summary, the remaining use time calculation method, charging reminder method, system and storage medium of the brain pacemaker provided by the present invention measure the current consumed by each component of the brain pacemaker when it is working, and then measure the current consumed by the overall device in combination with different stimulation parameters, and then calculate the remaining working time of the brain pacemaker through the battery power. Because the measurement method is a simple formula, the calculation amount is small, and it is a single calculation, the built-in microprocessor of the brain pacemaker can be processed, and it will not consume too much extra electricity. The remaining working time is calculated by the brain pacemaker, and the patient's program controller regularly queries the remaining working time information of the brain pacemaker. When the remaining working time is less than the set threshold, the patient is reminded by vibration, remaining and display information, and can be charged in time. In this way, the patient can arrange whether to charge according to the remaining working time, and the patient's rest will not be affected by lack of power at night. If the patient goes out for work or activities, the remaining working time of the brain pacemaker can help the patient determine whether to bring a charger.

[0028] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the definition of the claims.

Claims

1. A method for calculating the remaining use time of a brain pacemaker, wherein the brain pacemaker comprises a plurality of working modules, characterized in that: The method comprises the following steps: S1: Obtaining the power consumption per unit time of each working module of the brain pacemaker, and calculating the total power consumption of the brain pacemaker per unit time according to the power consumption of each working module; S2: The pacemaker evaluates the relationship between voltage and remaining power according to the battery discharge curve, and calculates the remaining power according to the voltage; S3: The pacemaker calculates the remaining usage time by the total power consumed per unit time and the remaining power.

2. The calculation method according to claim 1, characterized in that: The brain pacemaker includes a power module, a first wireless communication module, a main controller module and an output drive module. The step S1 includes: obtaining the power consumption P1 per unit time when the power module works alone, obtaining the power consumption P2 per unit time when the first wireless communication module works alone, obtaining the power consumption P3 per unit time when the main controller module works alone, and measuring and obtaining the power consumption P4 per unit time when the output drive module works alone; wherein P1, P2, and P3 are constants, P4 includes the power consumption P5 per unit time of the components constituting the output drive module and the power consumption P6 per unit time of the load during stimulation output, P6=I*t*(unit time / f), t is the pulse width, I is the current, and f is the frequency. When the power module and the main controller module are working, the current I is set, the stimulation is turned on, and the total power consumption P0 per unit time is recorded, then P5=P0-P1-P3-P6.

3. The calculation method according to claim 2, characterized in that: The step S3 includes: when the brain pacemaker is working, reading the current battery voltage to calculate the remaining power, reading the current stimulation parameters to calculate the total power consumed per unit time, and then calculating the remaining usage time t=battery remaining power / power consumed per unit time with the current parameters.

4. The calculation method according to claim 3, characterized in that: The step S3 includes: if the remaining usage time is greater than 10 minutes, the remaining usage time is read and calculated once every 10 minutes; if the remaining usage time is less than or equal to 10 minutes and greater than 0 minutes, the remaining usage time is read and calculated once every 1 minute; when the remaining usage time is 0 minutes, the brain pacemaker will stop working and enter a shutdown state until the battery power is greater than 20%.

5. The calculation method according to claim 2, characterized in that: The power module model is RT9193, the first wireless communication module model is NRF52832-QFAA-R, the main controller module model is STM32L496xx, and the output driver module model is TS3A27518EPWR.

6. A charging reminder method for a rechargeable brain pacemaker, characterized in that: The method comprises the calculation method according to any one of claims 1 to 5 and the following steps: S4: When the brain pacemaker is connected to the patient programmer, the patient programmer reads the remaining battery life of the brain pacemaker. If the remaining battery life is less than a preset threshold, the user is reminded.

7. The charging reminder method according to claim 6, characterized in that: The step S4 includes: each time the patient programmer is connected to the brain pacemaker, it will read the remaining usage time of the brain pacemaker. If the remaining usage time is less than 2 hours, an alarm will be issued to remind the user to charge in time.

8. The charging reminder method according to claim 6, characterized in that: The reminder method in step S4 includes interface display information, sound and / or vibration.

9. A charging reminder system for a brain pacemaker, characterized in that: It includes a brain pacemaker and a patient programmer, the brain pacemaker includes a first power module, a first wireless communication module, a first main controller module and an output drive module, the patient programmer includes a second power module, a second wireless communication module, a second main controller module and a reminder module, the first wireless communication module and the second wireless communication module are communicatively connected; when the brain pacemaker is working, the main controller module reads the total power consumption of the first power module, the first wireless communication module and the main controller module per unit time and the remaining battery power, and calculates the remaining battery life; when the patient programmer is connected to the brain pacemaker, the control module reads the remaining battery life, and if the remaining battery life is less than a preset threshold, the reminder module reminds the user.

10. A storage medium containing computer executable instructions, characterized in that: When the computer executable instructions are executed by a computer processor, they are used to perform the method of reminding a user to charge as claimed in claim 6 or 7.

Images