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An artificial auditory brainstem stimulator

A stimulator and auditory technology, which can be used in the implantation of stimulators, artificial respiration, treatment, etc., can solve the problems of insufficient stimulation of nerves, increase of stimulation power, and reduction of battery life of users, so as to achieve safe and effective stimulation.

Active Publication Date: 2021-09-17
SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Nerve stimulation often has the so-called super-compliance phenomenon, that is, the stimulation current multiplied by the electrode impedance exceeds the power supply voltage, resulting in insufficient stimulation of the nerves and affecting the user's use effect
The use of high-voltage stimulation is an inevitable choice for nerve stimulation, but high-voltage stimulation will cause a significant increase in stimulation power, especially for electrodes without super compliance, high-voltage stimulation is unnecessary, which will cause unnecessary energy waste and reduce user battery usage. time

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  • An artificial auditory brainstem stimulator
  • An artificial auditory brainstem stimulator
  • An artificial auditory brainstem stimulator

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Embodiment Construction

[0023] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0024] It should be noted that in the following description, reference is made to the accompanying drawings, which describe several embodiments of the present invention. It is to be understood that other embodiments may be utilized, and mechanical, structural, electrical, and operational chang...

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Abstract

The present invention provides an artificial auditory brainstem stimulator, each frame of stimulation data has stimulation electrode and return electrode information, and the stimulation electrode and return electrode can be freely selected during each frame of stimulation to ensure safe and effective stimulation. There will be no excess electric field affecting other centers, resulting in non-auditory responses caused by electrical stimulation. In order to ensure the stimulation rate, the pipeline method is used for stimulation, that is, the stimulation data of this frame is decoded and the stimulation is performed according to the data of the previous frame, and the influence of adding the stimulation data of each frame to the loop electrode information is minimized. A high-voltage circuit is used to solve the problem of super-compliance, but the stimulation power is optimized by flexibly selecting the voltage of the stimulation drive circuit. Titanium nails and fixed gauze were used to position the stimulator shell and electrode head to ensure no displacement after operation. The three-dimensional positioning head is used to help the flat-panel stimulation array to be placed at the cochlear nucleus at an optimal angle.

Description

technical field [0001] The invention relates to the technical field of artificial auditory reconstruction, in particular to an artificial auditory brainstem stimulator. Background technique [0002] Cochlear implants do not benefit patients with neurofibromatosis type 2, bilateral traumatic auditory nerve avulsions, auditory nerve / cochlear hypoplasia or aplasia, and cochlear ossification. Artificial auditory brainstem implant technology allows patients to regain hearing by bypassing the auditory nerve and directly stimulating the cochlear nucleus of the brainstem. As the core of this technology, the artificial auditory brainstem stimulator is the key to determine the effect of patients. [0003] The current artificial auditory brainstem stimulators are usually remade from cochlear implants, and generally only have fixed return electrodes, but the cochlear nucleus is located in the brainstem, and other parts of the brainstem have many important central nervous tissues that w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N1/05A61N1/36
CPCA61N1/0529A61N1/0539A61N1/3605A61N1/3606A61N1/36125
Inventor 吴皓
Owner SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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