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Wound dressings, apparatus, and methods for controlling severe, life-threatening bleeding
Wound dressings, apparatus, and methods for controlling severe, life-threatening bleeding
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机译:用于控制严重威胁生命的出血的伤口敷料,装置和方法
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摘要
A chitosan biomaterial is frozen in aqueous solution to form a frozen chitosan structure from which water is removed by a prescribed freeze-drying process to form a sponge-like chitosan structure having a thickness and a density. The sponge-like chitosan structure is compressed by application of heat and pressure to reduce the thickness and increase the density of the sponge-like chitosan structure to form a densified chitosan structure. The densified chitosan structure is further preconditioned by heating the densified chitosan structure according to prescribed conditions to form a wound dressing. The wound dressing possesses an adhesion strength and resistance to dissolution in high blood flow bleeding situations.
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