Stimulation source generation circuit for nerve stimulator
A technology that generates circuits and nerve stimulation. It is applied in electrotherapy, electrical components, output power conversion devices, etc., and can solve problems such as energy waste and large difference in stimulation amplitude.
Pending Publication Date: 2021-04-20
SCENERAY
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Problems solved by technology
However, the amplitude of stimulation required by different human bodies varies greatly
However, it is now powered by batteries, which can only provide a voltage of 3.6V
At present, the boost circuit is used to boost the voltage of the battery, and the amplitude of the electrical stimulation is between 0.1V and 10V. If the power supply voltage of the stimulation source is much greater than the voltage required by the stimulator, a large part of the energy will be consumed. wasted
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[0019] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0020] Such as Figure 1 to Figure 2 As shown, the present invention provides a stimulation source Vo generation circuit for a neurostimulator, and the stimulation source Vo generation circuit includes:
[0021] A power module, used to provide an input voltage;
[0022] The boost module is connected with the power module to boost the ...
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The invention discloses a stimulation source generation circuit used for a nerve stimulator. The circuit comprises a power supply module, a boosting module and an adjusting module, wherein the power supply module is used for providing input voltage; the boosting module is connected with the power supply module to boost the input voltage and generate a stimulation source; a charging branch of the boosting module is connected in parallel to the two ends of the power supply module and comprises an inductor and a first mos transistor; the input end of the first mos transistor is connected with the other end of the inductor, and the output end of the first mos transistor is connected to the negative electrode of the power supply module; a discharging branch comprises a second mos transistor and an output branch used for outputting the stimulation source; the input end of the second mos transistor is connected to the end, away from the power module, of the inductor, and the output end of the second mos transistor is connected with one end of an output branch; the adjusting module is connected with the output branch so as to output the working frequency according to the size of the stimulation source; the adjusting module is further connected with the control ends of the first mos transistor and the second mos transistor so as to adjust the turn-on or turn-off of the first mos transistor and the second mos transistor according to the working frequency; and the first mos transistor and the second mos transistor cannot be turned on at the same time.
Description
technical field [0001] The invention relates to the technical field of medical equipment, in particular to a stimulation source generating circuit for a nerve stimulator. Background technique [0002] In implantable medical devices, neurostimulators can effectively control the symptoms of functional neurological diseases and psychosis through chronic electrical stimulation of target nerves. The neurostimulator is in contact with the human body through electrodes. However, the amplitudes of the stimuli required by different human bodies vary greatly. However, what is used now is battery-powered, which can only provide a voltage of 3.6V. At present, the boost circuit is used to boost the voltage of the battery, and the amplitude of the electrical stimulation is between 0.1V and 10V. If the power supply voltage of the stimulation source is much greater than the voltage required by the stimulator, a large part of the energy will be consumed. wasted. [0003] Therefore, it is...
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IPC IPC(8): A61N1/36
CPCH02M3/158H02M1/0025A61N1/36125A61N1/3782
Inventor 颜雨朱为然李彩俊
Owner SCENERAY