YY/T 0794-2022 English PDF

US$559.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
YY/T 0794-2022: Particular specifications for computed radiography device
Status: Valid

YY/T 0794: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YY/T 0794-2022	559	Add to Cart	5 days	Particular specifications for computed radiography device	Valid
YY/T 0794-2010	315	Add to Cart	Auto, < 3 mins	Particular specifications for computed radiography device	Obsolete

Similar standards

YY 0831.1   YY 0832.1   YY 0775   YY/T 0795   YY/T 0796.1   

Basic data

Standard ID: YY/T 0794-2022 (YY/T0794-2022)
Description (Translated English): Particular specifications for computed radiography device
Sector / Industry: Medical Device & Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard: C43
Word Count Estimation: 27,233
Issuing agency(ies): State Drug Administration

YY/T 0794-2022: Particular specifications for computed radiography device

---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.
Particular specifications for computed radiography device ICS 11.040.50 C43 People's Republic of China Pharmaceutical Industry Standard Replacing YY/T 0794-2010 Image plate imaging device for X-ray photography Special technical conditions Published on 2022-05-18 2023-06-01 Implementation Released by the State Drug Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Classification and composition 2 4.1 Category 2 4.2 Composition 2 5 Requirements 2 5.1 Working conditions 2 5.2 Effective imaging area 3 5.3 bit depth 3 5.4 Imaging time 3 5.5 Number of IP boards processed per hour3 5.6 Threshold Contrast 3 5.7 Spatial Resolution 3 5.8 Image uniformity 3 5.9 Image Attenuation 3 5.10 Erase Completeness 4 5.11 Geometric Distortion 4 5.12 Software function 4 5.13 Noise 4 5.14 Appearance 4 5.15 Environmental test 4 5.16 Security 4 6 Test method 4 6.1 Test conditions 4 6.2 Effective imaging area 4 6.3 bit depth 5 6.4 Imaging time 5 6.5 Number of IP boards processed per hour5 6.6 Threshold Contrast 5 6.7 Spatial Resolution 5 6.8 Image uniformity 6 6.9 Image Attenuation 6 6.10 Erase Completeness 6 6.11 Geometric Distortion 7 6.12 Software functions 7 6.13 Noise 7 6.14 Appearance 7 6.15 Environmental test 7 6.16 Safety 7 Appendix A (Informative Appendix) Comprehensive Test Chart 8 Appendix B (Informative) Description of Threshold Contrast Test Phantom 9 Appendix C (Informative Appendix) Description of some clauses 18

foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces YY/T 0794-2010 "Special technical conditions for image plate imaging devices for X-ray photography". and YY/T 0794- Compared with.2010, the main technical changes except editorial changes are as follows. --- Modified the applicable description in the scope of 1 (see Chapter 1, Chapter 1 of the.2010 edition); --- Added 4.1 classification (see 4.1); --- Modified the requirements for the effective imaging area in 5.2 (see 5.2, 5.2 of the.2010 edition); --- Modified the requirements for threshold contrast in 5.6 (see 5.6, 5.6 of the.2010 edition); --- Modified the requirements of 5.7 spatial resolution (see 5.7, 5.7 of the.2010 edition); --- Modified the requirements for image attenuation in 5.9 (see 5.9, 5.9 of the.2010 edition); --- Modified the 6.3 bit depth test method (see 6.3,.2010 edition 6.3); --- Modified the test method for the number of IP boards processed per hour in 6.5 (see 6.5, 6.5 of the.2010 edition); --- Modified the test method of 6.8 image uniformity (see 6.8,.2010 edition 6.8); --- Modified the test method of 6.9 image attenuation (see 6.9,.2010 edition 6.9); --- Modified the test method of 6.10 erasure completeness (see 6.10,.2010 edition 6.10); --- Modified the description of 6.11 geometric distortion test card (see 6.11,.2010 edition 6.11); --- Modified the description of the threshold contrast phantom in Appendix B (see Appendix B, Appendix B of the.2010 edition); --- Added a description of the linearization data in Appendix C (see C.1.5). Please note that some content of this document may be patented. The issuing authority of this document assumes no responsibility for identifying these patents. This standard is proposed by the State Drug Administration. This standard is approved by the National Medical Electrical Equipment Standardization Technical Committee Medical X-ray Equipment and Appliances Sub-Technical Committee (SAC/TC10/SC1) focal point. This standard was drafted by. Liaoning Provincial Medical Device Inspection and Testing Institute, Shenzhen Feisen Technology Co., Ltd., Hubei Provincial Medical Device Quality Supervision Supervision and Inspection Institute. The main drafters of this standard. Jin Yubo, Lu Guangzhi, Baige. The previous editions of the standard replaced by this standard are as follows. ---YY/T 0794-2010. Image plate imaging device for X-ray photography Special technical conditions

1 Scope

This standard specifies the terms and definitions, classification and composition, requirements and tests of image plate imaging devices for X-ray photography (hereinafter referred to as CR). test method. This standard applies to CR equipment. This standard does not apply to non-CR imaging principle equipment. Note. CR uses an image plate that forms a "latent image" after X-ray irradiation, and forms a digital X-ray image by scanning the "latent image" on the image plate. For CR The digitized diagnostic images are obtained after the X-ray equipment is photographed, and the X-ray equipment is not included.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 4793.1 Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Part 1.General Requirements GB 7247.1 Safety of Laser Products Part 1.Equipment Classification and Requirements GB/T 10149 Terms and Symbols of Medical X-ray Equipment GB/T 18268.1 Electromagnetic Compatibility Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Part 1.General Requirements YY/T 0291 Environmental requirements and test methods for medical X-ray equipment

3 Terms and Definitions

GB/T 10149 and the following terms and definitions apply to this document. 3.1 Image plate imaging device for X-ray photography computedradiography; CR The digital X-ray imaging technology using the image plate as the X-ray energy conversion medium is formed by laser scanning X-ray irradiation. A "latent image" image plate, a device that obtains a digitized image. 3.2 imageplate IP board An X-ray receiver composed of materials with electron capture light storage and light-excited luminescence properties, the device is formed after X-ray irradiation The "latent image" is scanned by a laser scanning device to obtain a digitized image. 3.3 bit-depth quantization depth For a given digitizing system, the range of pixel values (pixel) is expressed numerically in the form of bits. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YY/T 0794-2022_English be delivered?

Answer: Upon your order, we will start to translate YY/T 0794-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of YY/T 0794-2022_English with my colleagues?

Answer: Yes. The purchased PDF of YY/T 0794-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version YY/T 0794-2022?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YY/T 0794-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.