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YY/T 1284.2-2015Dental tweezers - Part 2: Meriam types (English PDF)

牙科镊 第2部分:双弯型

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Issued by

NMPA

Level / Type

Industry · Recommended

Issue date

March 2, 2015

Implementation date

January 1, 2016

Scope

YY/T 1284.2-2015 is the English-translated version of 牙科镊 第2部分:双弯型.

YY/T 1284.2-2015 is the Chinese pharmaceutical industry standard for the Meriam type of dental tweezers, the double curved pattern.

It is the second part of the YY/T 1284 series and sets the particular requirements for them, the dimensions among them, covering the form of the tips and their meeting, the spring action and the force at the tips, the material and its hardness and corrosion resistance, the surface finish and the ability of the instrument to be cleaned and sterilized. Issued on 2 March 2015, it has applied since 1 January 2016.

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Document preview — YY/T 1284.2-2015

National Standard of the People's Republic of China

ICS
11.060.10
Classification
C 33

Issued by: National Medical Products Administration of the People's Republic of China

Contents

  • Foreword
  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions GB/T
  • 4 Design and Dimensions

Foreword

YY/T 1284 "Dental tweezers" standard consists of the following three parts.

--- Part 1. General requirements;

--- Part 2. Two curved;

--- Part 3. single-curved. This section YY/T 1284 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules.

This section instead of YY/T 0686-2008 "medical forceps" in the dental tweezers section.

The partial modification of the use of ISO 15098-2:2000 "Dental tweezers - Part 2. Double curved." This part of ISO 15098-2:2000 The main differences are as follows.

--- On normative references, this part has been adjusted technical differences, in order to adapt our technical conditions, the adjusted situation Focus is reflected in the status of Chapter 2, "Normative references", the specific adjustments are as follows.

- equivalents adoption of international standards GB/T 9937.3 instead of ISO 1942-3;

- with the modified use of international standards YY/T 1284.1 instead of ISO 15098-1;

--- Modify the positioning pin (see 4.5) requirements;

--- Modify the identification, tags and labels (see Chapter 5) content.

1 Scope

YY/T 1284 This section provides the double curved dental tweezers, including special requirements include the size. This section applies to the double curved dental tweezers.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 9937.3 Oral Vocabulary - Part 3. dental instruments (GB/T 9937.3-2008, ISO 1942-3. 1989, IDT)

YY/T 1284.1-2015 Dental tweezers - Part 1. General requirements (ISO 15098-1:1999, MOD)

3 Terms and Definitions GB/T

9937.3 and define the following terms and definitions apply to this document.

3.1 Positioning pins guidepin

When used forceps to collapse two tweezers sheet positioning member.

4 Design and Dimensions

4.1 General

General Requirements for Dental tweezers Press YY/T 1284.1 requirements.

Double curved dental tweezers pattern shown in Figure 1, the size and dimensions of the measurement points should meet the requirements in Table 1 and Table 2.

YY/T 1284.1-2015 Appendix A provides a method suitable for most types of dental tweezers measurement method.

4.2 Length

Double curved dental forceps length l shall be (160 ± 5) mm.

4.3 Working end

Working end should be toothed or smooth. If the tooth, should be consistent with an enlarged view of FIG. 1.

4.4 Handle

Should handle the tooth flower stalk.

4.5 Positioning pins

Double curved dental tweezers may have a locating pin. Positioning pins may have stopper.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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