Implanted dual-mode stimulating chip, system and mode converting method
A stimulation mode and implantable technology, applied in electrotherapy, treatment, etc., can solve the problems of complex structure, susceptibility to impedance changes, large energy consumption, etc., and achieve the effect of simple circuit structure
Active Publication Date: 2015-01-21
SCENERAY
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Problems solved by technology
The advantage of constant voltage stimulation output is that the circuit structure is simple and consumes less energy, which can save power and prolong the service life. The disadvantage is that it is more easily affected by impedance changes, while the advantage of constant current stimulation output is that the stimulation intensity is not affected by changes in the impedance of human tissue. But the relatively large energy consumption structure is relatively complex
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[0048] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0049] refer to figure 1 , a dual-mode electrical stimulation chip, comprising: a digital control module 10, the digital control module 10 is used to output a digital control signal to control the output of stimulation pulses;
[0050] An analog pulse generation module 20, the analog pulse generation module 20 is connected with the digital control module 10, the analog pulse generation module 20 includes a constant voltage stimulation generation circuit 201 and a constant current stimulation generation circuit 202 for generating constant voltage Stimulation pulse or constant current stimulation pulse;
[0051] An output control module 30, the output control module 30 is connected with the digital control module 10 and the analog pulse generation module 20, and is used to output the constant voltage stimulation pulse or constant current stimulation pulse through the e...
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The invention discloses a dual-mode electrical stimulating chip, a system and a mode converting method, comprising a digital control module, an analog pulse generation module, an output control module and a stimulating output measurement module; the dual-mode electrical stimulating chip is provided with a constant voltage stimulating mode and a constant current stimulating mode. Compared with the prior art, as the dual-mode electrical stimulating chip can generate constant voltage stimulating pulses and constant current stimulating pulse, the dual-mode electrical stimulating chip has the advantages of the constant voltage stimulating mode and the constant current stimulating mode, is hardly influenced by change of output impedance, and has low energy consumption and long service life; besides, a circuit structure is simple, a doctor or a patient can use an in-vitro control device to select between the two stimulating modes as required. Furthermore, the dual-mode electrical stimulating chip in the invention has good compatibility when in replacement of an implanted product, can both replace an original product with a voltage stimulating mode and a product with a current stimulating mode, and is convenient for patients.
Description
technical field [0001] The invention relates to an implantable nerve electrical stimulation system, in particular to a dual-mode stimulation chip, a system and a mode conversion method with two stimulation modes of voltage stimulation and current stimulation. Background technique [0002] Implantable electrical nerve stimulation plays an important role in the treatment of nerve dysfunction and rehabilitation of nerve injury. The implantable nerve electrical stimulation system releases high-frequency electrical stimulation by implanting electrodes at specific nerve targets such as motor nerves and sensory nerves in the human body to stimulate specific nerves, thereby restoring human body functions to normal operation. state. [0003] At present, implantable electrical nerve stimulation systems mainly include implantable deep brain stimulation (DBS, commonly known as brain pacemaker) for the treatment of typical movement disorder diseases such as Parkinson's disease, implanta...
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IPC IPC(8): A61N1/372
Inventor 吴有林
Owner SCENERAY