Abstract: The present invention provides a hemostatic powder. The hemostatic powder is mainly present in the form of a columnar particle, wherein the ratio of axial length to diameter of the columnar particle is less than 5; the hemostatic powder includes a polymer represented by the following structural formula: wherein the R is at least one selected from the group consisting of —NH2, —OCH2CH2OH, —OCH2CH2CH2OH, —OH, —ONa, —OK and —OCa; m, n and p respectively represent number percentages of corresponding repeating units in polymer molecules, and satisfy the following equations: m+n+p=1, p/(m+n+p)=0.05˜0.
Type:
Grant
Filed:
October 25, 2017
Date of Patent:
March 16, 2021
Assignees:
Jiangsu NewValue Medical Products Co., Ltd., Shnaghai Newvalue Medical Products Co., Ltd.