YY/T 1021.3-2023 English PDF

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YY/T 1021.3-2023: Dentistry - Extraction forceps - Part 3: Design
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Basic data

Standard ID: YY/T 1021.3-2023 (YY/T1021.3-2023)
Description (Translated English): Dentistry - Extraction forceps - Part 3: Design
Sector / Industry: Medical Device & Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard: C33
Classification of International Standard: 11.060.20
Word Count Estimation: 15,181
Date of Issue: 2023-09-05
Date of Implementation: 2024-09-15
Issuing agency(ies): State Drug Administration
Summary: This standard specifies the design of dental extraction forceps. This standard applies to all dental extraction forceps.

YY/T 1021.3-2023: Dentistry - Extraction forceps - Part 3: Design

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 11.060.20 CCSC33 Pharmaceutical Industry Standards of the People's Republic of China Dental extraction forceps Part 3.Design (ISO 9173-3.2014,MOD) Published on 2023-09-05 Implemented on 2024-09-15 Released by the State Drug Administration

Table of contents

Preface III Introduction IV 1 Scope 1 2 Normative reference documents 1 3 Terms, definitions and symbols 1 4 Category 3 5 Plier handle classification 5 6 Intended Applications 8 Reference 9

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is Part 3 of YY/T 1021 "Dental Extraction Forceps". YY/T 1021 has released the following parts. ---Part 1.General requirements; ---Part 2.Marking; ---Part 3.Design. This document has been modified using ISO 9173-3.2014 "Dental extraction forceps - Part 3.Design". The technical differences between this document and ISO 9173-3.2014 and their reasons are as follows. ---Replaced ISO 1942 (see Chapter 3) with normatively quoted GB/T 9937 to adapt to my country's technical conditions and increase operability. work nature; ---Replaced ISO 9173-1 (see Chapter 3) with normatively quoted YY/T 1021.1 to adapt to my country's technical conditions and increase Operability; ---Replaced ISO 9173-2 (see Chapter 3 and Chapter 6) with the normatively quoted YY/T 1021.2 to adapt to my country's technical conditions components to increase operability; ---The term "beak forceps" is deleted, and the serial numbers of subsequent terms are postponed. Since "beak forceps" is already defined in YY/T 1021.1-2022, this document does not Repeat again. The following editorial changes have been made to this document. --- Added a statement of the applicable limits of this document; ---Added 4.4 description of the type classification of the inner area of the beak; --- Correct "Figure 8" in 5.1 to "Figure 7". Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by the National Medical Products Administration. This document is sponsored by the Dental Equipment and Equipment Sub-Technical Committee of the National Technical Committee for Standardization of Oral Materials and Equipment (SAC/TC99 SC1) Return to home. This document was drafted by. Guangdong Medical Device Quality Supervision and Inspection Institute, Zhejiang Xinya Medical Technology Co., Ltd., Zhejiang Medical Device Inspection Institute. The main drafters of this document. Ning Ruijian, Hu Xianghua, Feng Zhimei, Li Weisong, Yuan Qin, Yu Chongqing, Chen Xianming, He Zhuohua, Xiang Lixuan, and Su Ming.

Introduction

YY/T 1021 aims to establish basic requirements, marking methods and design criteria that are generally applicable to dental extraction forceps products, and consists of three parts. ---Part 1.General requirements, the purpose is to clarify the general requirements and test methods such as material properties and mechanical properties of dental extraction forceps. ---Part 2.Labeling, the purpose is to clarify the labeling rules and labeling methods of dental extraction forceps. ---Part 3.Design, the purpose is to clarify the classification and design specifications of dental extraction forceps. Dental extraction forceps Part 3.Design

1 Scope

This document specifies the design of dental extraction forceps. This document applies to all dental extraction forceps.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 9937 Dental terminology (GB/T 9937-2020, ISO 1942.2009, MOD) YY/T 1021.1 Dental extraction forceps Part 1.General requirements (YY/T 1021.1-2022, ISO 9173-1.2016, MOD) YY/T 1021.2 Dental extraction forceps Part 2.Labeling (YY/T 1021.2-2023, ISO 9173-2.2010, MOD) 3 Terms, definitions and symbols 3.1 Terms and definitions The terms and definitions defined in GB/T 9937, YY/T 1021.1, YY/T 1021.2 and the following apply to this document. 3.1.1 joint < Dental extraction forceps> The shaft connection part of the first and second forceps handles. 3.1.2 clamp handle < Tooth Extraction Forceps> The hand-held part. 3.2 Symbols The following symbols apply to this document. b1.beak thickness b2.crown width b3.Beak distance b4.Beak width (closed) h1.Beak offset 1 h2.Beak offset 2 l1.Total clamp length l2.overall beak length l3.working length of beak Dimensions are shown in Figure 1.The indexing of the measuring points when the pliers are closed is listed in Table 1. ......

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