Deep brain stimulation system

Abstract

The invention discloses a deep brain stimulation system which comprises an external detection control and ultrasonic sending device and an intracerebral ultrasonic receiving and stimulation treatment device. The external detection control and ultrasonic sending device is positioned outside the body of a patient and mainly comprises a microprocessor, a storage unit, a detection unit, an electrode array, an ultrasonic signal amplifier, a transducer, a display unit, a keyboard unit, a power source unit and a clock unit, and an intracerebral ultrasonic receiving and stimulation treatment device is implanted deeply in brain tissue of the patient and mainly comprises a transducer, a voltage gain and rectifier circuit, a voltage stabilizer, a control circuit unit and a stimulation electrode. The deep brain stimulation system is used for treatment of nervous system diseases like Parkinson's disease, torsion spasm, spasmodic torticollis, chorea and epilepsy.

Description

field of invention [0001] The invention belongs to the field of medical devices, and relates to a system for treating nervous system diseases, in particular to an implantable deep brain stimulation system, which is used for the treatment of Parkinson's disease, torsion spasm, spastic torticollis, chorea, epilepsy and other nervous system diseases. Background technique [0002] For neurological diseases such as Parkinson's disease, epilepsy, intractable pain, torsion spasm, spastic torticollis, chorea, etc., drug therapy and surgical treatment are commonly used clinically, but side effects and complications are prone to occur. Electrical stimulation therapy, such as deep brain stimulation, performs chronic electrical pulse stimulation on the corresponding targets of different diseases, such as stimulating the thalamic nucleus and globus pallidus for Parkinson's disease, stimulating the vagus nerve for epilepsy, and playing a role in the treatment of causes. A reversible neuro...

AI Technical Summary

Problems solved by technology

[0006] The biggest disadvantages of existing products are: firstly, the existing deep brain stimulation system is an open-loop system, that is, the stimulation mode is continuous stimulation, and the brain tissue is stimulated for a period of time every few minutes after implantation. Increase the energy consumption of the system, and the power supply battery of the system is disposable, and its life span is about 3 to 5 years. Once the battery energy is exhausted, the patient has to undergo surgery again to replace the battery, which increases the pain of the patient and the risk of surgery. It also increased its economic burden; secondly, although the number of epileptic seizures can be significantly reduced after treatment with the deep brain stimulation system, it still cannot completely eliminate epileptic seizures. Because it cannot predict epilepsy, the irregular seizures of epilepsy will make patients potentially dangerous , which will greatly limit some activities of the patient's daily life; finally, the stimulator of the existing deep brain stimulation system is generally implanted under the clavicle or near the chest of the patient, which must be connected to the stimulating electrodes through wires, and Leads are surgically implanted in the patient's scalp and under the skin, which can cause significant problems for the patient during surgery and treatment, such as complications from infection, lack of communication between the stimulator and electrodes, Wire misalignment, etc.

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