IP Library Granted Patent US 12667727
Granted Patent B2
US 12667727 · App. 17/979,297 · Granted Jun 30, 2026

Electrical stimulation method, electrical stimulation device, and computer-readable storage medium

Inventors: Chi-Heng Chang (New Taipei City, TW); Jian-Hao Pan (New Taipei City, TW)
Assignee: COFORCE MEDICAL CO., LTD.
A61N1/3614A61N1/36171A61N1/36175
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Quick Facts
Patent No.
US 12667727
App. No.
17/979,297
Granted
Jun 30, 2026
Kind
B2
Abstract

An electrical stimulation method is provided. The electrical stimulation method is applied to an electrical stimulation device. The steps of the electrical stimulation method include obtaining a target energy value; providing an electrical stimulation signal to a target area; calculating a total energy value according to an energy value transmitted from the electrical stimulation signal to the target area; and determining whether the total energy value has reached the target energy value.

Claims (69)

1 . An electrical stimulation method, applied to an implantable electrical stimulation device, comprising:

obtaining a target energy value;

providing an electrical stimulation signal to a target area during a treatment session;

accumulating an energy value of the electrical stimulation signal transmitted to the target area during the treatment session to generate a total energy value;

calculating the energy value of the electrical stimulation signal according to a detected tissue impedance value corresponding to the electrical stimulation signal;

determining whether the total energy value accumulated during the treatment session has reached the target energy value; and

stopping providing the electrical stimulation signal to the target area when the total energy value has reached the target energy value,

wherein the electrical stimulation signal comprises a plurality of pulse signals.

2 . The electrical stimulation method as claimed in claim 1 , wherein the electrical stimulation device samples at least one of the plurality of pulse signals to calculate the total energy value corresponding to the plurality of pulse signals.

3 . The electrical stimulation method as claimed in claim 1 , further comprising:

obtaining a voltage value of the electrical stimulation signal;

obtaining a current value of the electrical stimulation signal; and

calculating the energy value of the electrical stimulation signal according to the voltage value and the current value of the electrical stimulation signal.

4 . The electrical stimulation method as claimed in claim 1 , further comprising:

obtaining a current value of the electrical stimulation signal; and

calculating the energy value of the electrical stimulation signal according to the current value of the electrical stimulation signal and further according to a tissue impedance value corresponding to the electrical stimulation signal and a time parameter.

5 . The electrical stimulation method as claimed in claim 4 , wherein the time parameter comprises a pulse width and a pulse frequency.

6 . The electrical stimulation method as claimed in claim 1 , further comprising:

obtaining the target energy value, a pulse width, and a pulse frequency from an external control device through the electrical stimulation device.

7 . The electrical stimulation method as claimed in claim 1 , further comprising:

obtaining the target energy value, a pulse width, and a pulse frequency from the electrical stimulation device.

8 . The electrical stimulation method as claimed in claim 1 , wherein an intra-pulse frequency of the electrical stimulation signal is in a range from 480 KHz to 520 KHz.

9 . The electrical stimulation method as claimed in claim 1 , wherein a pulse frequency of the electrical stimulation signal is in a range of 0˜1 KHz.

10 . The electrical stimulation method as claimed in claim 1 , wherein the step of accumulating the energy value of the electrical stimulation signal transmitted to the target area during the treatment session to generate the total energy value comprises:

in a sampling period, performing a first sampling on the electrical stimulation signal to obtain a first tissue impedance value;

calculating a first energy value of the electrical stimulation signal transmitted to the target area according to the first tissue impedance value;

in the sampling period, performing a second sampling on the electrical stimulation signal to obtain a second tissue impedance value;

calculating a second energy value of the electrical stimulation signal transmitted to the target area according to the second tissue impedance value;

accumulating the first energy value and the second energy value to generate the total energy value.

11 . An implantable electrical stimulation device comprising:

an electrical stimulation signal generation circuit providing an electrical stimulation signal to a target area during a treatment session; and

a calculation module configured to obtain a target energy value, accumulate an energy value of the electrical stimulation signal transmitted to the target area during the treatment session to generate a total energy value, calculate the energy value of the electrical stimulation signal according to a detected tissue impedance value corresponding to the electrical stimulation signal and determine whether the total energy value accumulated during the treatment session has reached the target energy value,

wherein when the total energy value has reached the target energy value, the electrical stimulation signal generation circuit stops providing the electrical stimulation signal to the target area,

wherein the electrical stimulation signal comprises a plurality of pulse signals.

12 . The implantable electrical stimulation device as claimed in claim 11 , wherein the electrical stimulation device samples at least one of the plurality of pulse signals to calculate the total energy value corresponding to the plurality of pulse signals.

13 . The implantable electrical stimulation device as claimed in claim 11 , wherein the calculation module is further configured to obtain a voltage value of the electrical stimulation signal, obtain a current value of the electrical stimulation signal, and calculate the energy value of the electrical stimulation signal according to the voltage value and the current value of the electrical stimulation signal.

14 . The implantable electrical stimulation device as claimed in claim 11 , wherein the calculation module is further configured to obtain a current value of the electrical stimulation signal and calculate the energy value of the electrical stimulation signal according to the current value of the electrical stimulation signal and further according to a tissue impedance value corresponding to the electrical stimulation signal and a time parameter.

15 . The implantable electrical stimulation device as claimed in claim 14 , wherein the time parameter comprises a pulse width and a pulse frequency.

16 . The implantable electrical stimulation device as claimed in claim 11 , further comprising a communication circuit, wherein the communication circuit obtains the target energy value, a pulse width, and a pulse frequency from an external control device.

17 . The implantable electrical stimulation device as claimed in claim 11 , further comprising a storage unit, wherein the storage unit stores a lookup table, and the calculation module is configured to obtain the target energy value, a pulse width, and a pulse frequency from the storage unit.

18 . The implantable electrical stimulation device as claimed in claim 11 , wherein an intra-pulse frequency of the electrical stimulation signal is in a range from 480 KHz to 520 KHz.

19 . The implantable electrical stimulation device as claimed in claim 11 , wherein a pulse frequency of the above electrical stimulation signal is in a range of 0˜1 KHz.

20 . The implantable electrical stimulation device as claimed in claim 11 , wherein in a sampling period, the calculation module is configured to perform a first sampling on the electrical stimulation signal to obtain a first tissue impedance value and perform a second sampling on the electrical stimulation signal to obtain a second tissue impedance value, the calculation module is configured to calculate a first energy value of the electrical stimulation signal transmitted to the target area according to the first tissue impedance value and calculate a second energy value of the electrical stimulation signal transmitted to the target area according to the second tissue impedance value, and the calculation module is configured to accumulate the first energy value and the second energy value to generate the total energy value.

21 . A non-transitory computer-readable storage medium storing one or more instructions and cooperating with an implantable electrical stimulation device, wherein when the one or more instructions are executed by an electrical stimulation device, the electrical stimulation device executes a plurality of steps comprising:

obtaining a target energy value;

providing an electrical stimulation signal to a target area during a treatment session;

accumulating an energy value of the electrical stimulation signal transmitted to the target area during the treatment session to generate a total energy value;

calculating the energy value of the electrical stimulation signal according to a detected tissue impedance value corresponding to the electrical stimulation signal;

determining whether the total energy value accumulated during the treatment session has reached the target energy value; and

stopping providing the electrical stimulation signal to the target area when the total energy value has reached the target energy value,

wherein the electrical stimulation signal comprises a plurality of pulse signals.

22 . The non-transitory computer-readable storage medium as claimed in claim 21 , wherein the electrical stimulation device samples at least one of the plurality of pulse signals to calculate the total energy value corresponding to the plurality of pulse signals.

23 . The non-transitory computer-readable storage medium as claimed in claim 21 , wherein the plurality of steps executed by the electrical stimulation device further comprise:

obtaining a voltage value of the electrical stimulation signal;

obtaining a current value of the electrical stimulation signal; and

calculating the energy value of the electrical stimulation signal according to the voltage value and the current value of the electrical stimulation signal.

24 . The non-transitory computer-readable storage medium as claimed in claim 21 , wherein the plurality of steps executed by the electrical stimulation device further comprise:

obtaining a current value of the electrical stimulation signal; and

calculating the energy value of the electrical stimulation signal according to the current value of the electrical stimulation signal and further according to a tissue impedance value corresponding to the electrical stimulation signal and a time parameter.

25 . The non-transitory computer-readable storage medium as claimed in claim 24 , wherein the time parameter comprises a pulse width and a pulse frequency.

26 . The non-transitory computer-readable storage medium as claimed in claim 21 , wherein the plurality of steps executed by the electrical stimulation device further comprise:

obtaining the target energy value, a pulse width, and a pulse frequency from the electrical stimulation device.

27 . The non-transitory computer-readable storage medium as claimed in claim 21 , wherein a pulse frequency of the above electrical stimulation signal is in a range of 0˜1 KHz.

28 . The non-transitory computer-readable storage medium as claimed in claim 21 , wherein the plurality of steps executed by the electrical stimulation device further comprise:

in a sampling period, performing a first sampling on the electrical stimulation signal to obtain a first tissue impedance value;

calculating a first energy value of the electrical stimulation signal transmitted to the target area according to the first tissue impedance value;

in the sampling period, performing a second sampling on the electrical stimulation signal to obtain a second tissue impedance value;

calculating a second energy value of the electrical stimulation signal transmitted to the target area according to the second tissue impedance value;

accumulating the first energy value and the second energy value to generate the total energy value.