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A high-throughput implantable wireless transmission device for neural signals

A neural signal, wireless transmission technology, applied in diagnostic signal processing, sensors, advanced technology and other directions, can solve the problems of short transmission distance and slow neural signal transmission rate, to improve the accuracy and signal-to-noise ratio, and solve the problem of acquisition accuracy. Effect

Active Publication Date: 2022-07-12
ACADEMY OF MILITARY MEDICAL SCI
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Problems solved by technology

[0005] In order to enhance the signal-to-noise ratio of the collected biological nerve signals and solve the problem of the accuracy of the collected biological nerve signals, the present invention proposes a high-throughput implantable wireless transmission device for nerve signals, which uses a wireless bridge to transmit nerve signals. Signal, which solves the problems of slow transmission rate and short transmission distance of neural signals in existing wireless communication technologies

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  • A high-throughput implantable wireless transmission device for neural signals
  • A high-throughput implantable wireless transmission device for neural signals
  • A high-throughput implantable wireless transmission device for neural signals

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Embodiment Construction

[0016] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0017] figure 1 It is an overall block diagram of a high-throughput implantable neural signal wireless transmission device of the present invention, including a collection electrode for collecting implanted neural signals, a signal conditioning circuit, a controller, a DDR3 memory, a power management module and a wireless transceiver module. Among them, the acquisition electrode that collects the implanted nerve signal completes the pickup of the original nerve signal, the analog front-end amplifier amplifies the original microvolt-level analog nerve signal to the millivolt level, and the millivolt-level nerve signal goes through the analog anti-aliasing in the signal conditioning circuit. After the low-pass filter, the ...

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Abstract

The invention discloses a device for wireless transmission of high-throughput neural signals belonging to the technical field of biological signal processing. It consists of DDR3 memory, power management module and wireless transceiver module. The invention adopts AD jittering and AD oversampling technology to improve the precision and signal-to-noise ratio of processing nerve signals, adopts DC component elimination technology to eliminate the DC offset of the signal after analog-to-digital conversion, and adopts digital gain automatic control technology to expand the acquisition of nerve signals. The dynamic range of the sensor improves the accuracy of the original neural signal acquisition, and the use of wireless bridges to transmit neural signals solves the problems of slow neural signal transmission rates and short transmission distances. Experiments provide a better experimental basis.

Description

technical field [0001] The invention belongs to the technical field of biological signal processing, and in particular relates to a high-throughput implantable neural signal wireless transmission device. Background technique [0002] The acquisition of biological nerve signals is widely used in the fields of clinical medicine and rehabilitation medicine, and is one of the current research hotspots in the field of biological signal processing. Accurate, reliable and stable biological nerve signal acquisition technology can help disabled people directly control muscles to perform corresponding actions through nerve signals without the involvement of the spinal cord, improving their quality of life. Therefore, the acquisition of biological nerve signals has important clinical application value. [0003] At present, the relatively mature implanted neural information acquisition schemes are all wired. The wired neural signal acquisition system has problems such as the inability ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/294A61B5/388
CPCA61B5/72A61B5/24Y02D30/70
Inventor 徐葛森王常勇周瑾韩久琦柯昂张华亮
Owner ACADEMY OF MILITARY MEDICAL SCI
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