YY/T 0630-2008Dentistry—Dental units - Part 2: Water and air supply (English PDF)
牙科学 牙科治疗机 第2部分：供水与供气
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Issued by
NMPA
Level / Type
Industry · Recommended
Issue date
April 25, 2008
Implementation date
June 1, 2009
Scope
YY/T 0630-2008 is the English-translated version of 牙科学 牙科治疗机 第2部分：供水与供气.
YY/T 0630-2008 is the Chinese version, identical to ISO 7494-2:2003, of the requirements for the water and air supply of dental units. It covers the materials, design and construction of the water and air supply systems and the test methods that check them, so that the water and air delivered by the unit are of suitable quality.
Provisions include preventing fluids from the mouth being drawn back into the unit water supply. It distinguishes water used in the oral cavity from water used elsewhere, such as spittoon flushing, and deals with input water, additives, independent water systems and output water.
Contamination or spread of hazardous microorganisms such as bacteria and viruses is not addressed. Issued on 25 April 2008, it has applied since 1 June 2009.
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Document preview — YY/T 0630-2008
National Standard of the People's Republic of China
- ICS
- 11.060.20
- Classification
- C 33
Issued by: National Medical Products Administration of the People's Republic of China
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
Foreword
All aspects of this standard are recommended.
Introduction
Requirements dental unit water and gas supply systems, technology has been in the International Organization for Standardization Technical Committee dental dental equipment sixty minutes Operation Committee Working Group II discussed in detail. Technical specifications of the dental unit water and gas path that also made full Ming, but did not ask questions about the microbial aspects.
In order to avoid or reduce biofilm on the road surface water and gas, an accurate statement of the standard it is quite difficult. As the current technology of water Ping can not provide a comprehensive solution, it could not reach a consensus. Thus, the International Organization for Standardization agreed first "water gas road General technical requirements "as an International Standard. The next step will begin to find ways to solve the problems of microorganisms, including control or go In addition to the technical evaluation of the dental unit water biofilms. Dentistry Dental treatment machine Part 2. Water and gas
1 Scope
This standard specifies the requirements and test methods for materials dental unit water and gas supply systems, design and construction, to ensure the supply of dental Quality and supply of water treatment machines and qualified, including the prevention of oral liquid sucked back dental unit water supplies provisions.
The standard for preventing the risk of microbial contamination (such as bacteria, viruses, etc.), and (or) diffusion is not specified.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
YY/T 1043-2004 dental unit (ISO 7494:1996, IDT)
11144 dental equipment connected to supply and discharge pipelines ISO
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1 Procedural water
By the dental unit supplied water used in the oral cavity.
Example: Mobile cooling water, water gun, scaler cooling water or mouthwash.
3.2 Non-procedural water
Supplied by the dental unit, the water used is not within the oral cavity.
Example: spittoon flushing water supplied to the venturi or water.
3.3 Input water
Water supply dental uses for treated water or treated water.
3.4 Additive
To improve or maintain the quality of treated water, or other purposes, and designated by the manufacturer, with the input water mix or use a separate Solution.
Note: Other objects can be cut drill coolant, the oral drugs.
3.5 Independent water supply system
In storage-based, providing a solution of water or the processing system. It is with the water supply system are separated.
3.6 Output water
Output from the dental unit water. […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
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