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JJG 1050-2009 English PDF

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JJG 1050-2009: Verification Regulation of X, gamma-ray Densitometry for Bone Mineral Density
Status: Valid

JJG 1050: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 1050-2009English369 Add to Cart 3 days [Need to translate] Verification Regulation of X, gamma-ray Densitometry for Bone Mineral Density Valid JJG 1050-2009
JJG 1050-1996EnglishRFQ ASK 3 days [Need to translate] Calibration Specification of Working Thermal Conductivity Vacuum Gauge Obsolete JJG 1050-1996

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Standard similar to JJG 1050-2009

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Basic data

Standard ID JJG 1050-2009 (JJG1050-2009)
Description (Translated English) Verification Regulation of X, gamma-ray Densitometry for Bone Mineral Density
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A58
Classification of International Standard 17.240
Word Count Estimation 16,195
Date of Issue 2009-07-10
Date of Implementation 2009-10-10
Quoted Standard EJ/T 904-1994; GB/T 8993-1998; GB 9706.12-1997; GB 3100-1993; GB 3101-1993; GB 3102-1993; GB/T 10149-1988; JJF 1035-2006
Regulation (derived from) AQSIQ Announcement No. 78 of 2009
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to dual-energy X-ray absorptiometry, ��-ray single-photon absorptiometry of the initial verification, testing and use of follow-up inspection. This procedure does not apply to single-energy X-ray absorptiometry and peripheral dual energy X-ray absorptiometry.

JJG 1050-2009: Verification Regulation of X, gamma-ray Densitometry for Bone Mineral Density

---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.
Verification Regulation of X, gamma-ray Densitometry for Bone Mineral Density State verification procedures People's Republic of China X, γ-ray absorptiometry X, gamma-rayDensitometryforBoneMineralDensity Posted 2009-07-10 2009-10-10 implementation The State Administration of Quality Supervision, Inspection and Quarantine released X, γ-ray absorptiometry test procedures VerificationRegulationofX, gamma-ray The test procedures by the State Administration of Quality Supervision, Inspection and Quarantine on July 10, 2009 approved, And it shall become effective October 10, 2009. Focal point. the National Technical Committee of ionizing radiation metrology The main drafting units. China Testing Technology Research Institute Participated in the drafting unit. Sichuan University, West China Fourth Hospital Osteoporosis Center Hangzhou quality technical supervision detection hospital The ionizing radiation measurement procedures by the National Technical Committee is responsible for interpretation The main drafters of this procedure. Yan Ling (China Testing Technology Research Institute) Yang Yong (China Testing Technology Research Institute) Drafters participate. Yang Ding Zhuo (Sichuan University, West China Fourth Hospital Osteoporosis Center) Huang Yang (China Testing Technology Research Institute) Wangxiong Fei (Hangzhou Quality and Technical Supervision and Inspection Institute)

table of Contents

1 Scope (1) 2. Referenced Documents (1) 3 terminology and units of measurement (1) 3.1 The term (1) 3.2 units of measurement (1) 4 Overview (2) 4.1 Principle (2) 4.2 Composition (2) 4.3 Purpose (2) 5 metering performance requirements (2) 5.1 Repeatability (2) 5.2 measurement error (2) 5.3 Short-term stability (3) 5.4 Radiation Protection (3) 6 General Requirements (3) 6.1 Single-photon absorptiometry (3) 6.2 pairs energy X-ray absorptiometry (3) 6.3 identification (3) 6.4 Electrical and mechanical properties (3) 7 control of measuring instruments (3) 7.1 test equipment (3) 7.2 Verification of environmental conditions (3) 7.3 test items and test methods (4) 7.4 Verification Results Processing (6) 7.5 test cycle (6) Appendix A phantom requirement (7) Appendix B calibration certificate and test results notice (within the page) format (9) Appendix C dual-energy X-ray bone density linear calibration Example (11) X, γ-ray absorptiometry test procedures

1 Scope

The order applies to dual-energy X-ray absorptiometry, γ-ray single-photon absorptiometry initial verification, subsequent verification And in-service inspection. This procedure does not apply to single-energy X-ray absorptiometry and peripheral dual energy X-ray absorptiometry.

2 Citations

The regulations cited in the following documents. EJ/T 904-1994 "single photon bone mineral density analyzer" GB/T 8993-1998 "Nuclear instruments - Environmental conditions and testing procedures." GB 9706.12-1997 "Medical electrical equipment Part 1. General requirements for safety, standard parallel Diagnostic X-ray equipment General requirements for radiation protection " GB 3100 ~ 3102-1993 "Quantities and units" GB/T 10149-1988 "X-ray equipment for medical terminology and symbols." JJF1035-2006 "ionizing radiation measurement terms and definitions" When using this procedure, it should pay attention to the current valid version of the above-mentioned documents.

3 terminology and units of measurement

3.1 Terms 3.1.1 Single-photon absorptiometry singlephotonabsorptiometry Or the use of 241Am radioisotope 125I single energy γ-ray absorption principle method of bone mineral density measuring instrument, Jane SPA said the bone density meter or SPA. 3.1.2 Dual-energy X-ray absorptiometry dualenergyX-rayabsorptiometry Principle of energy using two X-ray absorption method for the determination of the spine, hips, legs and whole body bone mineral density Measuring instruments, referred to as DXA absorptiometry or DXA. 3.1.3 Bone diameter bonewidth Long bones measured in a direction transverse dimensions of the beam projection, referred to BW. 3.1.4 ROI regionofinterest Bone measured region in the direction of the beam projection area, referred to as ROI. 3.1.5 Bone mineral content bonemineralcontent Bone mineral bone mass per unit length or area of interest, referred to as BMC. 3.1.6 BMD bonemineraldensity The average bone mineral mass region of interest (ROI) within an average basis, generally indicated by BMD. Bone density Degree is referred to as bone mineral density. 3.2 units of measurement 3.2.1 Bone diameter

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