| abstract |
The invention discloses a modified hyaluronic acid injectable filling material and a preparation method thereof, comprising free transparent hyaluronic acid gel, cross-linked hyaluronic acid gel, water-soluble vitamins, and a buffer solution, wherein the hyaluronic acid-polyethylene glycol modified The active material has the following structure: Wherein n is selected from 10-5000, and m is selected from 100-5000. The modified hyaluronic acid injectable composition of the present invention has good injectability, stability and biocompatibility, and can be applied to soft tissue filling, repair and surgery, for example, it can be used for wrinkle removal, rhinoplasty, breast augmentation, or Anti-adhesion for medical surgery and lubrication of orthopedic joints. |