Ultrasonic wave generation device for hearing recovery treatment

Patent metadata

Field	Value
Publication number	US-10888462-B2
Application number	US-201716474612-A
Country	US
Kind code	B2
Filing date	Feb 8, 2017
Priority date	Dec 28, 2016
Publication date	Jan 12, 2021
Grant date	Jan 12, 2021

Abstract

Disclosed is an ultrasonic wave generation device for hearing recovery treatment, including an ultrasonic wave generation part. The ultrasonic wave generation part comprises a reference time-delay determination module, an emission sequence parameter determination module and an ultrasonic transducer module. The ultrasonic transducer module is used for emitting actual ultrasonic waves, and the efficiency and precision are improved by focusing by means of a plurality of array elements.

First claim

The invention claimed is:

1. An ultrasonic wave generation device for performing a hearing recovery treatment, comprising: a wearing part and an ultrasonic wave generation part provided on the wearing part;
wherein the ultrasonic wave generation part comprises: a reference time-delay determination module, an emission sequence parameter determination module and an ultrasonic transducer module, wherein the ultrasonic transducer module comprises an activation control unit provided on the wearing part and a plurality of array elements arranged in an array, and each array element is electrically connected with the activation control unit via an independent line;
the reference time-delay determination module is configured to calculate a reference time delay of each array element when emitting an excitation pulse signal;
the emission sequence parameter determination module is configured to determine an emission sequence parameter of each array element; and
the activation control unit is configured to control, according to the reference time delay and the emission sequence parameter of each array element, each array element to generate the excitation pulse signal, so that the excitation pulse signals emitted by the respective array elements are focused on a target area.

2. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 1 , wherein the reference time-delay determination module comprises:
an acoustic parameter acquisition unit configured to acquire acoustic parameters of the target area, the acoustic parameters comprising density, sound velocity and attenuation coefficient; and
a calculation unit configured to calculate the reference time delay of each array element according to relative position information of the target area, relative position information of the array element and the acoustic parameters which are acquired in advance.

3. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 2 , wherein the acoustic parameter acquisition unit is further configured to establish a three-dimensional cochlea model according to a scan image, and calculate the acoustic parameters according to the three-dimensional cochlea model and relative position information between each array element and the target area.

4. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 1 , wherein the wearing part is in shape of a flat plate and comprises a clamping part and a fixing part provided at a rear portion of the clamping part, and each array element is located on one side surface of the fixing part.

5. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 1 , wherein the emission sequence parameter determination module is further configured to calculate the emission sequence parameter of each array element according to a lesion position of a cochlear, a size of the cochlea and a lesion severity of the cochlear, which are acquired in advance.

6. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 3 , wherein a plurality of ultrasonic transducer modules are provided, and the ultrasonic wave generation part further comprises: an ultrasonic transducer determination module configured to determine, according to a position, a size, and a lesion severity of a lesion tissue, a corresponding ultrasonic transducer module to be used.

7. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 1 , wherein the target area is cochlea.

8. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 4 , wherein the clamping part has a crescent-like shape and is adapted to an outer contour of an ear.

9. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 8 , wherein an elastic contact layer is provided on an inner surface of the clamping part.

10. The ultrasonic wave generation device for performing a hearing recovery treatment according to claim 3 , wherein the wearing part comprises a protective housing in shape of flat plate and an adhesive layer, the plurality of array elements are all located inside the protective housing, and the adhesive layer is located on one side surface of the protective housing.

Assignees

• Shenzhen Inst Of Adv Tech Cas

Inventors

• Zheng Hairong
• Lin Zhengrong
• Niu Lili
• Meng Long
• Zhou Wei
• Huang Xiaowei
• Wang Kaiyue

Classifications

• A61F11/00 Primary

  Methods or devices for treatment of the ears or hearing sense (implantable prostheses that substitute or replace internal ear parts, e.g. ear-drums, A61F2/18; methods or devices to cause a change in the state of auditory consciousness A61M21/00; electrotherapy applying electrical stimulation of the auditory system, or circuits therefor A61N1/36; radiotherapy using optical stimulation of the auditory system A61N5/06; electro-acoustic hearing aids H04R25/00); Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand (headwear, e.g. caps or helmets, with means for protecting the ears A42B1/0188, A42B3/16) · CPC title

• A61N2007/0095

  by modifying an excitation signal · CPC title

• A61N2007/0004

  Applications of ultrasound therapy · CPC title

• B06B3/04

  involving focusing or reflecting · CPC title

• B06B1/0215

  for generating pulses, e.g. bursts of oscillations, envelopes · CPC title