CN108926766A - A kind of micro stimulator and micro stimulator system - Google Patents

Abstract

The invention relates to the field of biology, in particular to a micro stimulator and a micro stimulator system. The micro stimulator for reconstructing paralyzed lower limb movement takes the ARM Cortex processor as the core, and receives the movement instructions of the wireless terminal in the form of WIFI. Extreme activation of the CPG spinal cord neural network causes patients to produce different lower limb motor gaits. The micro-stimulator and the micro-stimulator system can effectively reconstruct the motor function of the paralyzed lower limbs, and provide a new cure method for patients with lower limb motor dysfunction caused by spinal cord injury, which not only reduces the physical and mental injuries of the patients, but also greatly reduces the economic burden on the family and society as a whole. The invention is of great significance for exploring the information processing mechanism of the nervous system and promoting the research of interdisciplinary integration of life, information and other disciplines.

Description

A kind of micro stimulator and micro stimulator system

technical field

The invention relates to the field of biology, in particular to a micro stimulator and a micro stimulator system.

Background technique

Spinal cord injury leads to motor dysfunction of the limbs below the injured segment, which will not only bring physical and mental harm to the patient, but also cause a huge economic burden to the family and the whole society. Therefore, reconstructing the motor function of paralyzed lower limbs has always been an important topic in neuroscience research.

The purpose of studying the regulation mechanism of motor function of paralyzed lower limbs is to realize the reconstruction of motor function of paralyzed lower limbs more effectively. Based on the study of the excitation signals that control the walking movement of the lower limbs based on the inherent CPG loop in the spinal cord and the identification of key sites that induce CPG activity, it is urgent to develop a control platform to control and regulate the coordinated movement of the lower limbs.

Contents of the invention

The technical problem to be solved by the present invention is to provide a micro stimulator and micro stimulator system, the micro stimulator can effectively reconstruct the motor function of paralyzed lower limbs, and provide a new cure for patients with lower limb motor dysfunction caused by spinal cord injury. This method not only reduces the physical and mental harm of patients, but also greatly reduces the economic burden on the family and the whole society.

The technical problem solved by the present invention adopts following technical scheme to realize:

One aspect of the present invention provides a micro-stimulator for reconstructing the movement of paralyzed lower limbs. The micro-stimulator uses an ARM Cortex processor as the core to receive motion instructions from wireless terminals in the form of WIFI. The ARM Cortex processor analyzes the instruction information and The corresponding stimulation signal is generated, and then output to the electrode terminal through the signal driving circuit to activate the CPG spinal cord neural network, so that the patient can produce different lower limb movement gaits.

Preferably, the operating state of the micro stimulator is divided into a functional relationship building state and a motor function training state.

Preferably, the micro stimulator is an implantable micro stimulator.

Preferably, the micro stimulator includes one or more fixation elements.

More preferably, said one or more fixation elements comprise one or more hooks, barbs or anchors.

The second aspect of the present invention provides a kind of micro-stimulator system, and this system comprises above-mentioned micro-stimulator, also comprises remote control terminal and notebook computer; a connection;

Operate through the stimulator function reconstruction software in the notebook computer, send the constructed mapping table to the micro stimulator for storage, use the remote control terminal to send motion instructions to the micro stimulator and generate stimulation signals, so The above stimulation signals directly drive the lower limbs of the test subject to train and improve the motor function of the lower limbs.

Preferably, the hardware of the remote control terminal includes an MCU core, a WIFI module, a key input module and a display module.

Preferably, the constructed mapping table is sent to the Flash storage in the micro stimulator.

The third aspect of the present invention provides the application of the above-mentioned micro-stimulator system in the reconstruction of limb motor function of paralyzed patients.

Compared with the prior art, the present invention has at least the following advantages or beneficial effects:

The invention provides a micro-stimulator and a micro-stimulator system, the micro-stimulator can effectively reconstruct the motor function of the paralyzed lower limbs, and provides a new cure method for patients with motor dysfunction of the lower limbs caused by spinal cord injury, which not only relieves the The physical and mental harm of patients, and greatly reduce the economic burden of the family and the whole society. The invention is of great significance for exploring the information processing mechanism of the nervous system and promoting the research of interdisciplinary integration of life, information and other disciplines.

Description of drawings

The present invention will be further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

Fig. 1 is a working diagram of the micro stimulator system in the embodiment of the present invention.

Detailed ways

Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only for the present invention and are not intended to limit the scope of the present invention.

Example 1

This embodiment discloses a micro-stimulator for reconstructing the movement of paralyzed lower limbs. The micro-stimulator uses the ARM Cortex processor as the core to receive motion commands from wireless terminals in the form of WIFI. The ARM Cortex processor analyzes the command information and generates Corresponding stimulation signals are then output to the electrode terminals through the signal drive circuit to activate the CPG spinal cord neural network, so that patients can produce different lower limb movement gaits.

The operating state of the micro stimulator is divided into a functional relationship building state and a motor function training state. The microstimulator has two operating states: functional relationship building and motor function training. The functional relationship construction state is used to construct the relationship mapping table between motion gait and stimulus signal for a certain test object, operate through the stimulator function reconstruction software in the notebook computer, and can send the constructed mapping table to the Flash of the ARM processor stored in. The motor function training state is used for rehabilitation training for people with lower limb movement disabilities. The test subject uses the remote control terminal to send motion instructions to the micro stimulator to generate stimulation signals, which directly drives the test subject to move the lower limbs to train and improve the motor function of the lower limbs.

The microstimulator is an implantable microstimulator.

The microstimulator includes one or more fixation elements.

The one or more fixation elements include one or more hooks, barbs or anchors.

Example 2

This embodiment discloses a micro stimulator system, including the micro stimulator described in Embodiment 1, and also includes a remote control terminal and a notebook computer; the micro stimulator communicates with the remote control terminal and the notebook computer through WIFI connect;

Operate through the stimulator function reconstruction software in the notebook computer, send the constructed mapping table to the micro stimulator for storage, use the remote control terminal to send motion instructions to the micro stimulator and generate stimulation signals, so The above stimulation signals directly drive the lower limbs of the test subject to train and improve the motor function of the lower limbs.

The hardware of the remote control terminal includes an MCU core, a WIFI module, a key input module and a display module.

Send the constructed map to the flash memory in the microstimulator.

The specific embodiments of the present invention have been described in detail above, but they are only examples, and the present invention is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modifications and substitutions to the present invention are also within the scope of the present invention. Therefore, equivalent changes and modifications made without departing from the spirit and scope of the present invention shall fall within the scope of the present invention.

Claims (9)

1. A micro-stimulator for reconstructing the movement of paralyzed lower limbs, characterized in that, the micro-stimulator takes the ARM Cortex processor as the core, receives the motion instruction of the wireless terminal in the form of WIFI, and the ARM Cortex processor analyzes the instruction information And generate corresponding stimulation signals, and then output to the electrode terminals through the signal driving circuit to activate the CPG spinal cord neural network, so that patients can produce different lower limb movement gaits. 2. The micro-stimulator for reconstructing the movement of paralyzed lower limbs according to claim 1, wherein the operating state of the micro-stimulator is divided into a functional relationship building state and a motor function training state. 3. The micro-stimulator for reconstructing the movement of paralyzed lower limbs according to claim 1, wherein the micro-stimulator is an implantable micro-stimulator. 4. The micro stimulator for reconstructing the movement of paralyzed lower limbs according to claim 1, characterized in that the micro stimulator comprises one or more fixation elements. 5. The micro-stimulator for reconstructing the movement of paralyzed lower limbs according to claim 4, wherein the one or more fixation elements comprise one or more hooks, barbs or anchors. 6. A micro stimulator system, characterized in that it comprises the micro stimulator described in any one of claims 1-5, and also includes a remote control terminal and a notebook computer; the micro stimulator communicates with the remote control terminal, The notebook computers are connected one by one; Operate through the stimulator function reconstruction software in the notebook computer, send the constructed mapping table to the micro stimulator for storage, use the remote control terminal to send motion instructions to the micro stimulator and generate stimulation signals, so The above stimulation signals directly drive the lower limbs of the test subject to train and improve the motor function of the lower limbs. 7. The micro-stimulator system according to claim 6, wherein the hardware of the remote control terminal comprises an MCU core, a WIFI module, a key input module and a display module. 8. The micro-stimulator system according to claim 6, wherein the mapping table constructed is sent to the Flash storage in the micro-stimulator. 9. The application of the micro-stimulator system according to any one of claims 6-8 in the reconstruction of limb motor function of paralyzed patients.