GBZ7-2014 English PDF

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GBZ7-2014: Diagnosis of occupational hand-arm vibration disease
Status: Valid

GBZ7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GBZ 7-2014	189	Add to Cart	3 days	Diagnosis of occupational hand-arm vibration disease	Valid
GBZ 7-2002	279	Add to Cart	3 days	Diagnostic Criteria of Occupational Hand -- Arm Vibration Disease	Obsolete

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Basic data

Standard ID: GBZ 7-2014 (GBZ7-2014)
Description (Translated English): Diagnosis of occupational hand-arm vibration disease
Sector / Industry: National Standard
Classification of Chinese Standard: C60
Classification of International Standard: 13.100
Word Count Estimation: 8,854
Date of Issue: 10/13/2014
Date of Implementation: 3/1/2015
Older Standard (superseded by this standard): GBZ 7-2002
Quoted Standard: GBZ 2.2; GBZ/T 247; GB/T 16180
Regulation (derived from): State-Health-Communication [2014] 14
Issuing agency(ies): National Health and Family Planning Commission
Summary: This standard specifies the principles of diagnosis and treatment of occupational hand-arm vibration disease. This standard applies to long-term professional activity in the diagnosis and treatment of hand-transmitted vibration operation occurred arm vibr

GBZ7-2002: Diagnostic Criteria of Occupational Hand -- Arm Vibration Disease

---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.
Diagnostic Criteria of Occupational Hand.Arm Vibration Disease ICS 13.100 C60 GBZ People's Republic of China National Occupational Health Standards Diagnostic criteria of occupational arm vibration Released in.2002-04-08 2002-06-01 Implementation Issued by the Ministry of Health of the People's Republic of China

Foreword

Article 6.1 of this standard is recommended and the remainder is mandatory. According to the "People's Republic of China Occupational Disease Prevention Law" to develop this standard. Since the implementation of the standard date, the original standard GB 4869-1985 inconsistent with this standard, the standard shall prevail. In the contact with the hand (local) vibration of the professional activities, can occur arm (local) vibration disease. In order to protect the contacts Of the physical health, effective prevention and treatment of arm vibration disease, has issued GB 4869-1985. The revised standard uses arm vibration The name of the disease; grading standards to mild, moderate and severe three; canceled a crimped microcirculation, two points of consciousness and deep sense ; The use of improved cold water re-temperature test and vibration threshold method of inspection. Appendix A to this standard is an informative appendix, Appendix B, and C is a normative appendix. This standard is proposed and centralized by the Ministry of Health of the People's Republic of China. This standard is drafted by Jining Medical College. Participate in the drafting unit Shanxi Medical University, the Ministry of Railways Labor and Health Research Institute, Liaoning Province Institute of Occupational Disease Prevention and Control of Labor Hygiene, Shandong Province Institute of Occupational Health and Occupational Disease Prevention and Control, Guangxi Zhuang Autonomous Region Institute of Disease Control and Prevention, Guangxi Zhuang Autonomous Region Health and Epidemic Prevention Station and Henan Province, Labor and Occupational Disease Prevention and Control Research Institute. This standard is interpreted by the Ministry of Health of the People's Republic of China. Diagnostic criteria of occupational arm vibration Arm vibration disease is a long-term hand-driven vibration caused by the hand of the peripheral circulation and/or arm nerve dysfunction The main disease, and can cause the arm and bone - muscle damage. Its typical performance for the vibration of the white finger.

1 Scope

This standard specifies the diagnostic criteria and principles of occupational arm vibration. This standard applies to professional activities in the long-term hand-driven vibration occurred in the arm vibration disease.

2 normative reference documents

The terms of the following documents are hereby incorporated by reference into this standard. Any date that references the date of the document All subsequent amendments (excluding corrigenda) or revisions do not apply to this standard, however, The parties to the agreement are able to use the latest version of these documents. Those who do not mind the date of the reference file, its latest The version applies to this standard. GBZ 76 Occupational acute chemical poisoning Nervous system disease diagnostic criteria Identification of Occupational Injury and Occupational Disease Disability in Staff and Workers GB/T 16180

3 diagnostic principles

Has long been engaged in hand-driven vibration of the occupational history, the emergence of the main symptoms and signs of arm vibration, combined with the follow-up Ring function, peripheral nerve function test, reference to the working environment of the labor hygiene survey data, conduct a comprehensive analysis, and exclude Other causes of similar diseases, can be diagnosed.

4 observation object

Has long been engaged in hand-driven vibration of the occupational history, there are hand numbness, hand swelling, hand pain, palms sweating, arm weakness and Joint pain and other symptoms, and has one of the following manifestations. a) Hand cold water rewarming test rewarming time prolonged or reduced temperature rate (see Appendix B); b) finger vibration and finger pain loss (see Appendix C).

5 Diagnostic and grading standards

5.1 mild arm vibration disease Has one of the following manifestations. a) white refers to the fingers involved in the fingers of the site, not beyond the scope of the distal knuckles, cold when the occasional attack; b) hand pain, vibration significantly decreased or finger joint swelling, deformation, the nerve - electromyography check the nerve Conduction speed slows or prolongs latency. 5.2 moderate arm vibration disease Has one of the following manifestations. a) white refers to the infestation of the fingers involved in the distal knuckles and knuckles (occasionally proximal knuckles), often in the winter attack; b) mild muscle atrophy, neurological - electromyographic examination of neurological damage. 5.3 severe arm vibration disease Has one of the following manifestations. a) white refers to the attack involving most fingers of all knuckles, and even involving the whole hand, often attack, severe cases may appear finger gangrene; b) hand muscle was atrophic or appear "Yingzhao like" hand deformity, seriously affect the hand function.

6 Principles of handling

6.1 Principles of treatment 6.1.l comprehensive treatment according to the condition. Application of expansion of blood vessels and nutrition nerve drug treatment, Chinese medicine treatment and can Combined with the use of physical therapy, exercise therapy. Surgical treatment if necessary. 6.1.2 to strengthen personal protection, pay attention to hand and body warmth. 6.2 Other treatments Observe the object generally do not need to remove the vibration operation, but should be reviewed once a year, close observation of changes in condition. Mild arm vibration disease transferred from the contact with the vibration of the operation, the appropriate treatment, and arrange other work according to the situation. Moderate arm vibration and severe arm vibration disease must be removed from the vibration operation, active treatment. Need to do the work ability Identification, with reference to GB/T I6180 the relevant provisions of the deal.

7 Correctly use the instructions in this standard

See Appendix A (informative), see Appendix B, C (normative).

Appendix A

(Informative) Correctly use the instructions in this standard A.1 can cause the arm vibration sickness of the type of work, mainly the use of vibration tools, engaged in hand movement vibration. According to past The main survey is a rock drill, rivets, wind shovel, ramming, fixed grinding wheel and hand wheel grinding, saws, saws, Forging, milling, stretching and other workers. It is recommended that this standard be applied to other hand-operated vibrations which can be used to prove that the arm vibration sickness can be caused. Mainly through the foot, buttocks conduction of systemic vibration caused by occupational hazards, not applicable to this standard. A.2 on "has a long history of hand-driven vibration in the professional history", generally refers to the close contact with the vibration of the continuous operation of workers Aged for more than one year; also refer to the vibration parameters of each operation and the epidemiological data of arm vibration disease, taking into account its long time short. A.3 vibrational white finger or occupational Renault phenomenon, its attack has a transient and temporal characteristics, usually after the cold Appear suffering from numbness, swelling, pain, and from pale to pale, from the distal to the proximal development, the boundaries are clear, sustainable for several minutes to several Ten minutes, and then gradually from the pale, gray into flushing, restore to constant color. The basis for judging should be a professional medical staff inspection See the main; complained that the white finger, but also with the workplace staff in line with the relevant evidence, should also be an important reference. If necessary To be able to carry out white finger induced test. However, the use of local cold method, the induction rate is very low. As to what kind of Method to induce white fingers, this standard is not uniform provisions, are not harmful to the health of the subjects as a prerequisite. A.4 vibration white finger attack involving the scope, should be unilateral hand to judge. "Most" fingers refer to three or more hands Means. White refers to the diagnosis of grading, such as the left hand, right hand inconsistent, should be heavier side of the diagnostic classification shall prevail, but should be described separately. Such as L (2)/R light (1), meaning left hand moderate (involving two fingers); right hand mild (involving a finger). A.5 Neurological-electromyographic examination method and its baseline for judgments of neurological damage, see Occupational Acute Chemical Poisoning - Part 5. Diagnosis of occupational acute chemical toxicology of the nervous system.

Appendix B

(Normative appendix) Measurement of hand skin temperature and cold water rewarming method The inspection is carried out at room temperature of 20 ° C ± 2 ° C. Subjects are usually dressed, at least 2 hours before the trial Do not smoke, within 24 hours do not take vasoactive drugs, non-hunger, burglary 30 minutes after the check. Using a semiconductor thermometer (or thermocouple thermometer), the skin temperature of the midpoint of the midpoint of the midpoint of the ring finger was measured Degree (that is, the base skin temperature), then the following wrist into the 10 ℃ ± 0.5 ℃ cold water, the fingers naturally do not contact Sheng Water container, soak for 10 minutes, quickly after the water with a dry towel gently dry the water, immediately determine the temperature of the above parts (ie Carved skin temperature). Measure the hands when the natural relaxation, flat heart height on the table, every 5 minutes to measure and record once, observe the finger Temperature to the base skin temperature (min). 30 min after the cold test has not yet recovered, as abnormal. The recovery rate can also be calculated according to the following formula. 5 min and 10 min after cold test × 100% cold test 5min (or 10min) when the skin temperature - cold test immediately after the skin temperature Cold test before the base skin temperature - cold test immediately after the skin temperature 5min complex temperature is less than 30% and 10min complex temperature is less than 60% for the abnormal reference value. Appendix C. (Normative appendix) Fingertip vibration threshold and pain threshold Check the room temperature and the subjects in the indoor rest time, with the requirements of Appendix A. C.1 vibration threshold check Checking the vibration threshold If there is no uniform inspection of the instrument, the inspection method should meet the following requirements. Vibration frequency to 125Hz-based, conditions permit should also include 63Hz and 250Hz. Check the site to the main index, if necessary, check the middle finger and ring finger. The results show that the measurement results in dB (0dB equivalent to 0.308m/S2). Under the above conditions, the index finger vibration threshold of the normal reference value is generally 7.5-15.5dB; 17.5dB as the upper limit value test. C.2 pain threshold check Using injection needle weight method. That is, with 2ml syringe for casing, the No. 6 injection needle were made into a weight of 1, 2, 3, 4, 15g painful needle. Check the seasonal subjects to sit close, sit flat, placed on the table, focus on note Intended to check the feeling. The examiner places the needle in the cannula, holding the cannula, allowing the needle tip to contact the subject's skin vertically, With the increase in the law from small to large weight to check the left hand ring finger knuckles on the back of the skin pain, the subjects began to feel tingling Of the weight, that is, the pain threshold (g). The normal reference value for adult pain threshold is 6g or less. ......

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