YY/T 1754.2-2020 Translated English of Chinese Standard. (YYT 1754.2-2020, YY/T1754.2-2020, YYT1754.2-2020): Preclinical animal study of medical devices - Part 2: Model of skin defect in induced diabetic rats [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2021. 5. 22. - 10ÆäÀÌÁö This Part of YY/T 1754 specifies the method for constructing a model of skin defect in induced diabetic rats. This Part applies to the evaluation of the preclinical effectiveness of medical device products for the treatment of skin ulcers and damage caused by diabetes. |
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3 | |
Introduction | 4 |
Scope | 5 |
Test animal | 6 |
Test report | 8 |
Appendix A Informative Examples of histological semiquantitative analysis methods of model of skin defect in induced diabetic rats | 9 |
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0.1 mol/L citric analytical reagent analyze and/or control Animal welfare back skin Biological Evaluation blank control group Blood glucose meter caused by diabetes citrate citric acid buffer citric acid mother cover the skin covers the wound defect in induced diabetic rat model document Epithelial migration 1/3 Epithelial regeneration epithelium completely covers evaluation method fasting blood-glucose gauze/applicator to cover GB/T granulation tissue histological semi-quantitative analysis Histopathological histopathology indicators of wound induced diabetic rats Inflammation liquid main indicators medical device products model of skin mol/L citric acid original wound area Preclinical animal study preclinical effectiveness product group and/or result and evaluation SD male rat semi-quantitative analysis method Semi-quantitative evaluation skin defect skin tissue skin wound repair Slice preparation square centimeters mm2 staining sterile gauze/applicator Streptozotocin STZ study of medical Table A.1 test animal test product group test rats Test result Unhealed area wound healing horizontal Wound healing rate wound repair materials YY/T