Chitosan gelatine polyvinyl alcohol biological hemostatic dressing
A technology of polyvinyl alcohol and hemostatic dressings, applied in the field of medical hemostatic dressings, chitosan gelatin polyvinyl alcohol biological hemostatic dressings, can solve the problems of small elasticity, limited hemostatic effect, poor solubility, etc. Ease of absorption and high adsorption capacity
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[0057] Example 1
[0058] Dissolve 20g of chitosan in 600ml of 0.2% acetic acid solution, take 20g of polyvinyl alcohol and add boiling water to dissolve, 15g of gelatin will be heated to melt, 15g of glycerol will be dissolved in water, combine the above solutions, fully stir to make uniform, freeze-dry, cut into parts Pack, Co60 sterilized to prepare hemostatic dressing.
Example Embodiment
[0059] Example 2
[0060]Dissolve 40g of chitosan in 1000ml of 1.2% acetic acid solution, take 55g of polyvinyl alcohol and add boiling water to dissolve, 30g of gelatin will be heated to melt, 40g of glycerol will be dissolved in water, combine the above solutions, fully stir to make uniform, freeze-dry, cut into parts Pack and sterilize to prepare hemostatic dressing.
Example Embodiment
[0061] Example 3
[0062] Dissolve 60g of chitosan in 800ml of 0.8% acetic acid solution, add 40g of polyvinyl alcohol to boiling water to dissolve, 10g of gelatin to melt, and 10g of glycerol to dissolve in water, combine the above solutions, stir well to make uniform, freeze-dry, cut and separate , Co60 sterilized to prepare hemostatic dressing.
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