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Fixing support of round window excitation type artificial middle ear actuator

A technology for fixing brackets and actuators, which is applied in hearing aids, ear therapy, hearing aid installation/interconnection, etc., to reduce the difficulty of surgery, avoid high bone groove size requirements, and facilitate vibration transmission

Active Publication Date: 2021-03-19
徐州市健康研究院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to overcome the deficiencies of the prior art, the present invention provides a fixed bracket for a round window-excited vibration-type artificial middle ear actuator, which enables the round-window-excited vibration-type actuator Fascia to roughly fix the application status of the actuator, and provide more stable and reliable support and fixation for the actuator through the mechanical structure

Method used

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  • Fixing support of round window excitation type artificial middle ear actuator
  • Fixing support of round window excitation type artificial middle ear actuator
  • Fixing support of round window excitation type artificial middle ear actuator

Examples

Experimental program
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Effect test

Embodiment 1

[0044] see Figure 4 , a fixed bracket for a circular window excitation type artificial middle ear actuator, which includes a fixed casing 402 , an elastic bracket 401 , a positioning device 403 and a support back seat 404 . refer to Figure 5 and Image 6 , the fixed casing 402 carries the actuator 107 inside, and a plurality of elastic supports 401 are arranged on both sides of the outer side in a symmetrical manner. The elastic bracket 401 includes a front elastic bracket 505 and a rear elastic bracket 506 . The front elastic bracket 505 can be adaptively deformed according to the spatial structure in the bone groove 601 surgically drilled next to the round window membrane 109 , so that the elastic support 505 can fit within the bone groove 601 . A stable support is formed; the rear elastic bracket 506 is arranged at the rear end of the fixed housing 402 and its rear end is abutted on the opposite bone wall 201 of the round window film 109, thereby preventing the rear end...

Embodiment 2

[0055] see Figure 7 and Figure 8, the support rear seat 404 includes a cantilever bracket 502 , a support column 503 , a guide rod II 803 and a load indicator 805 . The cantilever bracket 502 is a circular sheet with a plurality of cantilever arms cut inside, and the support column 503 is located in the middle. The guide rod II 803 is located on the upper side of the cantilever bracket 502 and has ratchet teeth on its upper surface; in addition, a rack groove 804 is opened in the middle of the guide rod II 803 to cooperate with the adjusting gear 802 . The load indicator 805 is a thin sheet parallel to the cantilever bracket 502 and provided at the rear end of the cantilever bracket 502 for monitoring the initial pressure between the actuator 107 and the round window film 109 .

[0056] see Figure 7 and Figure 8 , the positioning device 403 includes a limit top cover II 806 , an adjustment knob 801 and an adjustment gear 802 . The limiting top cover II 806 is arranged...

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Abstract

The invention discloses a fixing support of a round window excitation type artificial middle ear actuator. The fixing support comprises a fixed shell, an elastic support, a positioning device and a supporting rear seat. The elastic supports are symmetrically arranged on the two sides of the fixed shell and used for adjusting the pose of the actuator so that the actuator and the round window film can be kept on the same axis. The positioning device is arranged at the top of the rear end of the fixed shell and used for adjusting the position of the supporting rear seat so that the supporting rear seat can be pushed in a one-way stepping mode. The supporting rear seat is arranged at the rear end of the fixed shell and is used for supporting the actuator, so that initial pressure is kept between the actuator and the round window film; during work, the actuator is installed in the fixed shell. More stable and reliable support and fixation are provided for the actuator through a mechanical structure; meanwhile, the actuator fixing support can monitor the initial pressure between the actuator and the round window film, accurate control over the initial pressure can be achieved clinicallythrough simple operation, and the problem that the coupling degree between the actuator and the round window film is uncontrollable is solved.

Description

technical field [0001] The present invention relates to an auxiliary fixation device for ear surgery. More specifically, the present invention relates to a fixing bracket of a circular window excitation type artificial middle ear actuator. Background technique [0002] Hearing impairment is one of the common diseases affecting human daily life. According to the different mechanisms of hearing impairment, hearing impairment is divided into conductive hearing impairment, sensorineural hearing impairment and mixed hearing impairment. With the deepening of ear science research and the rapid development of ear microsurgery, most patients with conductive hearing loss can improve their hearing through surgery, but for sensorineural hearing loss, traditional hearing aids are generally used to improve hearing. However, traditional hearing aids have problems such as low output gain (cannot compensate for high-level hearing damage), accompanied by acoustic feedback, and ear canal bloc...

Claims

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Application Information

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IPC IPC(8): H04R25/00A61F11/04
CPCH04R25/60A61F11/04H04R2460/17
Inventor 刘后广张瑞宁郝敬宾杨雅涵杨建华刘送永王贺贺卢硕辰陈旭刘耀松
Owner 徐州市健康研究院有限公司
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