Search result: GB/T 44994-2024
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Acoustics - Hearing aid fitting management (HAFM)
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GB/T 44994-2024
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| Standard ID | GB/T 44994-2024 (GB/T44994-2024) | | Description (Translated English) | Acoustics - Hearing aid fitting management (HAFM) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A59 | | Classification of International Standard | 13.140 | | Word Count Estimation | 42,432 | | Date of Issue | 2024-12-31 | | Date of Implementation | 2025-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 44994-2024.Acoustic hearing aid fitting management
ICS 13.140
CCSA59
National Standard of the People's Republic of China
Acoustic hearing aid fitting management
(ISO 21388.2020, IDT)
Released on 2024-12-31
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Range 1
2 Normative references 1
3 Terms and Definitions 2
4 Service Prerequisites 4
4.1 General 4
4.2 Personnel Education Requirements 4
4.3 Site requirements 5
4.4 Equipment requirements 5
4.5 Professional ethics requirements 6
5 General procedures for hearing aid fitting management 7
5.1 General 7
5.2 Customer Profile 8
5.3 Consultation10
5.4 Hearing Aid Fitting10
5.5 Verification and effect confirmation 10
5.6 Post-fitting guidance 11
5.7 Follow-up 11
6 Quality of Service12
6.1 Overview 12
6.2 Documentation 12
6.3 Customer Service Evaluation 13
6.4 Customer Complaints Handling 13
6.5 Improvement measures 13
Appendix A (Informative) Minimum Competence for Hearing Aid Dispensers 14
Appendix B (Informative) Recommendations on organizing education and training for hearing aid fitters (college, undergraduate to postgraduate education level) 17
Appendix C (Informative) Example of Fitting Room 19
Appendix D (Informative) Recommendations for referral of clients for medical or other specialist examinations and treatment 21
Appendix E (Informative) Informational consultation required for hearing aid fitting management 22
Appendix F (Informative) Terminology 25
Reference 35
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is equivalent to ISO 21388.2020 "Acoustic hearing aid fitting management".
The following minimal editorial changes were made to this document.
--- Added the last paragraph of 3.4, 4.1, the last paragraph of 4.5.7 and the notes after the definitions of some terms in Appendix F.
--- Added reference [1].
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the Chinese Academy of Sciences.
This document is under the jurisdiction of the National Technical Committee on Acoustic Standardization (SAC/TC17).
This document was drafted by. PLA General Hospital, Institute of Acoustics, Chinese Academy of Sciences, East China Normal University, Zhejiang University of Science and Technology,
China Center for Assistive Devices for Persons with Disabilities, China Center for Hearing and Speech Rehabilitation Research, Shandong Second People's Hospital (Shandong Otolaryngology Hospital, Shandong
Provincial Institute of Otolaryngology), Peking University Third Hospital, China Hearing Medicine Development Foundation, Hangzhou Anpaisheng Hearing Aids Co., Ltd., Suzhou
Liren Hearing Equipment Co., Ltd.
The main drafters of this document are. Xi Xin, Li Xiaodong, Sang Jinqiu, Zheng Chengshi, Ji Fei, Yang Yunqiu, Zhao Hang, Tian Hongbin, Li Zhengguang, Dong Liquan,
Zhang Liping, Li Hongtao, Teng Baiyu, Yan Weiqian, Yu Ning, Zhao Yiming, Song Longxia, Xu Wei.
introduction
According to the World Health Organization, approximately 466 million people suffer from hearing impairment, accounting for 6.1% of the total population[23]. Hearing aids are the most widely used
This is a crucial issue for users, especially those who use hearing aids[40],[43],[44]. Personalized optimization of hearing aid effects requires careful consideration.
hearing aid fitting plans[43], “inappropriate fitting and discomfort” may lead to clients rejecting and returning hearing aids[44] and
Hearing loss is aggravated by over-amplification. Therefore, the entire process of hearing aid fitting should be optimized to achieve functional benefits, user satisfaction and
and effective funding.
When developing hearing aid fitting management standards, two realities were taken into consideration. First, the term "hearing aid fitting" is not commonly used in service provision.
It is widely used by researchers and industries[17],[45]~[47]. Secondly, its many interpretations may conflict with each other.
The World Health Organization has also issued the "Guidelines for Hearing Aids and Their Services in Developing Countries" to address this problem.
There are some problems[18],[19],[24]~[33],[35]~[38],[48],[49], but different understandings of fitting may lead to different service levels and varying results.
In many cases, this may lead to dissatisfaction with the use of hearing aids. Academic groups in the fields of otolaryngology, hearing intervention and rehabilitation in my country have also proposed
The "Guidelines for Hearing Aid Fitting in China (Draft)" and "Guidelines for Hearing Aid Fitting (Trial)" were formulated to standardize the hearing aid fitting procedures and requirements, but there are still some
The hearing aid fitting process is extensive, focusing on the fitting technology itself and lacking the standardization of service management. Therefore, it is necessary to promote the standardization of hearing aid fitting process at the national level.
A more unified understanding of the process.
Therefore, the main purpose of this document is to provide a general framework for the management of hearing aid fitting, including the various stages before and after fitting, so that it can be more
The overall goal of the framework is to achieve as much as possible
The best hearing rehabilitation can only be achieved through adequate knowledge, training, skills and a systematic fitting process in close cooperation with the client.
Based on the common practices of hearing aid fitters and the recommendations of various existing guidelines, this document summarizes the common framework of hearing aid fitting management.
The system is divided into 6 stages (customer file creation, consultation, hearing aid fitting, verification and effect confirmation, post-fitting guidance, and follow-up service).
By dividing the hearing aid fitting process into different stages, practitioners can systematically understand and implement service content to promote service excellence.
quality, user satisfaction, client-centeredness, client self-efficacy, and high adherence (e.g., continued use of hearing aids, attendance at follow-up appointments).
Each stage focuses on various aspects of the framework, such as communication skills, speech recognition, acoustic environment perception, user comfort and hearing aid sound quality.
In addition, this document can serve as a basis for cost assessment of each stage or each link of the framework.
Another possible application is to use this document as a tool for developing professional training programs for hearing aid fitting management.
The basic basis for time.
Acoustic hearing aid fitting management
1 Scope
This document applies to the hearing aid fitting management services provided by hearing aid fitters to customers.
Only by improving the knowledge level and practical ability of the hearing aid fitter can we ensure that the hearing aid is fitted appropriately and the service is in place, which is in the interests of customers with hearing loss.
This document specifies the routine process of hearing aid fitting management from customer file creation to follow-up services, including the implementation, organization and control of hearing aid fitting.
It also specifies important prerequisites for ensuring appropriate service provision, such as staff education level, premises and facility systems.
This document focuses on serving the majority of adult clients who are hearing impaired.
Certain hearing loss groups that use air conduction hearing aids may require services outside the scope of this document.
Devices, most of the time, are suitable for bone conduction devices.
Hearing loss can be a symptom of many serious medical conditions that hearing aid dispensers are unable to diagnose or treat.
When clients complete a medical examination in advance, they still expect their hearing aid dispensers to observe symptoms of the disease and make appropriate medical referrals.
In addition to the main text that specifies the requirements and procedures for hearing aid fitting management, this document also includes several informative appendices.
It is essential for hearing aid fitting management to be carried out properly. Appendix A provides the necessary skills and knowledge required to carry out hearing aid fitting management.
Appendix B provides a recommended curriculum plan for the education of hearing aid dispensers; Appendix C is an example of a standard fitting room; Appendix
Appendix D provides guidance on referring clients for medical or other specialist examination and treatment; Appendix E recommends the following steps in the hearing aid fitting management process.
Appendix F is a comprehensive glossary that provides the latest terms related to hearing aid fitting management.
Definition of language.
These appendices are designed to help those who manage hearing aid fittings achieve a high-quality service.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
ISO 8253-1 Acoustics-Audiometric audiometry - Part 1.Air and bone conduction pure tone audiometry
Note. GB/T 16296.1-2018 Acoustic audiometry methods Part 1.Air and bone conduction pure tone audiometry (ISO 8253-1.2010, IDT)
ISO 8253-2 Acoustic audiometry methods Part 2.Sound field audiometry using pure tone and narrowband noise as test signals
signals)
Note. GB/T 16296.2-2016 Acoustic audiometry methods Part 2.Sound field audiometry with pure tone and narrowband noise as test signals (ISO 8253-
2.2009,IDT)
ISO 8253-3 Acoustics-Audiometrictest
Note. GB/T 16296.3-2017 Acoustic audiometry test methods Part 3.Speech audiometry (ISO 8253-3.2012, IDT)
IEC 60118-7 Electroacoustic hearing aids Part 7.Performance characteristics testing for quality assurance during production, supply and delivery of hearing aids
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