Closed-loop blood-pressure adjusting method with chip inplanted and system thereof

An implantable chip technology, applied in electrotherapy, artificial respiration, internal electrodes, etc., can solve the problems that implanted chips have not been reported, and achieve the effect of lowering SHR blood pressure

Active Publication Date: 2006-08-16
NANJING MEDICAL UNIV
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Problems solved by technology

However, implantable chips that can apply closed-loop negative feedback techn

Method used

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  • Closed-loop blood-pressure adjusting method with chip inplanted and system thereof
  • Closed-loop blood-pressure adjusting method with chip inplanted and system thereof
  • Closed-loop blood-pressure adjusting method with chip inplanted and system thereof

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Embodiment Construction

[0033] figure 1 After the middle artery blood pressure signal is input into the chip system through the pressure transducer, the chip compares the blood pressure signal with its own internal manual setting point. If the actual blood pressure is higher than the set value of the chip, the chip will output electrical stimulation to stimulate the aortic nerve. Baroreceptor reflex, lowers blood pressure. After the chip is regulated, the blood pressure value is returned to the chip as an input signal, forming a negative feedback regulation, and finally enabling the chip to complete timely and dynamic regulation of blood pressure.

[0034] figure 2 Shown: The core of the chip system is mainly the msp430 ultra-low power consumption microprocessor. The chip integrates amplifiers, A / D converters, flash memory, stimulators and other modules. The peripherals of the chip system mainly include power supply and micro blood pressure sensor. , stimulating electrodes, etc.

[0035] image ...

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Abstract

A chip implanted closed-loop blood pressure control method and system features that after a microprocessor chip is implanted in human body, its blood pressure sensor can acquire the arterial blood pressure signal and the electric stimulation with the intensity relative to said arterial blood pressure signal is output via electrode to act on the lead-in nerve channel. Said stimulation intensity is dynamically regulated by the chip to form a closed-loop negative feedback regulation, so controlling the blood pressure in a predefined range.

Description

technical field [0001] The invention relates to a method for electrical stimulation acting on the afferent pathway of baroreceptor reflex, in particular to a chip-implanted closed-loop blood pressure control method and system. Background technique [0002] Implantable devices and implantable chip systems: Implanted methods and devices (Implanted Medical Device) are devices or devices that are "long-term" implanted in the human body for the purpose of medical diagnosis or treatment. Good compatibility and special functions. For a long time, the research on implantable medical devices has been a research hotspot in the field of biomedical engineering. Implanted Chip System (Implanted ChipSystem) is a kind of implantable medical device. The core of the implantable chip system is a micro-processing chip. In addition to the characteristics of implantable medical devices, it also has the function of automatic control, can participate in the physiological regulation of the body, ...

Claims

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Application Information

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IPC IPC(8): A61N1/36A61N1/18A61N1/05
Inventor 高兴亚朱国庆王汉军张枫黄兴林
Owner NANJING MEDICAL UNIV
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