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GA/T 148-2019: Forensic medicine--Specifications for specimen collection, fixation, sampling and preservation
Status: Valid GA/T 148: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GA/T 148-2019 | English | 229 |
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Forensic medicine--Specifications for specimen collection, fixation, sampling and preservation
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GA/T 148-2019
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| GA/T 148-1996 | English | 359 |
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Methods of collecting, fixing, packing and sending for forensic pathological materials
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GA/T 148-1996
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PDF similar to GA/T 148-2019
Basic data | Standard ID | GA/T 148-2019 (GA/T148-2019) | | Description (Translated English) | Forensic medicine--Specifications for specimen collection, fixation, sampling and preservation | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 10,155 | | Date of Issue | 2019 | | Date of Implementation | 2019-12-01 | | Issuing agency(ies) | Ministry of Public Security | GA/T 148-2019: Forensic medicine--Specifications for specimen collection, fixation, sampling and preservation
---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.
Forensic medicine--Specifications for specimen collection, fixation, sampling and preservation
ICS 13.310
A92
Public Safety Industry Standards of the People's Republic of China
Replace GA/T 148-1996
Extraction, fixation, material extraction and forensic pathological examination materials
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Published on October 14,.2019
2019-12-01 Implementation
Issued by the Ministry of Public Security of the People's Republic of China
Contents
Foreword I
1 Scope 1
2 Normative references 1
3 General 1
4 Extraction steps and methods of forensic pathology materials 1
5 Selection and preparation method of fixative for forensic pathology materials 3
6 Fixing methods and requirements of forensic pathological examination materials 3
7 Packaging and delivery methods and requirements of forensic pathological materials 4
8 Forensic pathology laboratory examination and main organ removal methods 5
9 Preservation and handling of forensic pathological materials 6
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GA/T 148-1996 "Methods for Extraction, Fixing, Packaging and Delivery of Forensic Pathology Test Materials", and GA/T 148-
The main technical changes compared to.1996 are as follows.
--- Modified the standard name (see cover, cover of.1996 edition);
--- Modified the scope (see Chapter 1, Chapter 1 of the.1996 edition);
--- Revised the general rules (see Chapter 3, Chapter 2 of the.1996 edition);
--- Modified the extraction requirements, methods and steps of forensic pathology samples (see Chapter 4, Chapter 3 of the.1996 edition);
--- Deleted the principles and methods of forensic pathology test materials extraction, and modified the original content into the general rules and forensic pathology test materials
Extraction requirements, methods and steps (see Chapter 4 of the.1996 edition);
--- Modified the selection and configuration methods of fixatives for forensic pathology materials (see Chapter 5, Chapter 5 of the.1996 edition);
--- Modified the fixing method and requirements of forensic pathology examination materials (see Chapter 6, Chapter 6 of the.1996 edition);
--- Modified forensic pathology inspection materials packaging, inspection methods and requirements (see Chapter 7, Chapter 7 of the.1996 edition);
--- Modified the method of forensic pathology laboratory examination and main organ removal (see Chapter 8, Chapter 8 of the.1996 edition);
---Increase the storage and processing of forensic pathological inspection materials, separate the storage and processing of inspection materials, and increase the shelf life of inspection materials (see
Chapter 9,.1996 edition of 8.6).
Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents.
This standard was proposed by the National Criminal Technology Standardization Technical Committee Forensic Inspection Sub-Technical Committee (SAC/TC179/SC6) and
Be in charge.
This standard was drafted by. Henan Provincial Public Security Department, Zhengzhou University, Physical Evidence Appraisal Center of the Ministry of Public Security.
The main drafters of this standard. Gao Jincai, Yan Hongtao, He Guanglong, Li Lihong, Wang Jifeng, Zhang Guangqing.
The previous releases of this standard are.
---GA/T 148-1996.
Extraction, fixation, material extraction and forensic pathological examination materials
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1 Scope
This standard stipulates the principles, contents and methods of extraction, fixation, packaging, inspection, material collection and preservation of pathological examination materials in forensic medicine.
This standard applies to forensic pathology conducted by public security, procuratorial organs, medical colleges and social service-oriented identification agencies at all levels
test.
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 the cited documents without date, the latest version (including all amendments) applies to this document.
GA/T 147 Forensic autopsy
GA/T 151 Newborn autopsy
GA/T 170 Examination of Sudden Death Body
3 General
3.1 Before extracting forensic pathological materials, you should understand the relevant information. the name, gender, age, ethnicity, address, occupation, and health status of the deceased
Situation and so on.
3.2 In order to ensure the accuracy of forensic histopathological examination and identification conclusions, the extraction of pathological examination materials should be carried out as soon as possible.
3.3 When extracting pathological examination materials from autopsy, detailed examination, recording, photographing of autopsy table and autopsy of tissues and organs should be conducted on the surface and cut surface of the lesions and lesions.
The size of lesions and lesions is expressed as length × width × depth or thickness (cm), the size of measuring organs is expressed as length × width × thickness (cm), and the weight is expressed in g
Show. Cortical thickness is expressed in cm, and body fluid content is expressed in mL.
3.4 The organs in the cranial cavity, thoracic cavity, abdominal cavity and pelvic cavity, regardless of whether there are obvious lesions and/or injuries, routinely complete extraction of the brain, heart and lungs;
The main organs such as liver, spleen, kidneys, pancreas, stomach, intestines, tonsils, thyroid and adrenal glands should be extracted as much as possible, and if necessary, they can be extracted
The organization of other parts. The extraction and inspection of organs are carried out in accordance with GA/T 147, GA/T 151 and GA/T 170.
3.5 When cutting the specimen from the general specimen, the direction of the specimen can be selected according to the inspection needs.The specimen is usually taken in parallel with the specimen section; the tissue block should be filled in
On the premise of including gross lesions, part of the normal tissue is retained, the shape is as regular as possible (such as square, rectangular), and the embedding surface should be flat; group
The size of the woven block [the area is generally within (1cm ~ 1.5cm) × (1cm ~ 1.5cm)] should not exceed the area of the conventional embedding box, the thickness is often
0.2cm ~ 0.3cm (should not be greater than 0.5cm); if there is automatic embedding and coding equipment, the unique number should be printed on the outer packaging of the wax block and
Keep a good record; if there is no above condition, the shape of the tissue block should be different when taking multiple tissue blocks from a specimen or taking materials from left and right symmetrical organs
The same, and numbered, so that the wax block corresponds to the original material.
3.6 The quantity of tissue block materials given in this standard is given according to conventional materials.According to the inspection needs, the number of materials can be added or deleted, and supplemented if necessary.
Material.
4 Extraction steps and methods of forensic pathology examination materials
4.1 Extraction methods and requirements of autopsy materials
4.1.1 The extraction method and requirements of neck injury examination materials. layer and dissect the neck skin and subcutaneous tissue, extract the tissue at the injury site, and the tissue block should be
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