Patent ID: 11938230
Assignee: ARTISAN LAB CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A  C | IPC A  C

Claim 0:
1. A method for stopping bleeding at a bleeding wound site, comprising applying cationized cellulose having water-holding property and hemostatic properties of absorbing and coagulating blood to the bleeding wound site to stop the bleeding at the wound site wherein the cationized cellulose is of formula (1):, wherein, (a) at least one R1 in the formula (1) represents −CH2CH2O—CH2CH(OH)CH2—N+(R3)(R4)(R5).X−, and R3, R4 and R5 are independently a methyl group or an ethyl group,, or
(b) at least one R1 in the formula (1) represents —CH2CH(OH)CH2N+(R3)(R4)(R5).X31 , and R3, R4 and R5 are independently a methyl group or an ethyl group
wherein X−represents an anionic group,
other R1 each represent —H, or —(CH2CH2O)m—H; where m is 1 or 2.