Xiangtong TM Full Degradation Sinus Drug Stent System Prospective, Open, Single-center, Randomized Controlled Clinical Trial

Xiangtong® Fully Degradable Sinus Drug Stent System is a high-tech medical device independently developed by Puyi Bio, specially designed for patients with chronic rhinosinusitis (CRS) undergoing endoscopic sinus surgery (ESS).The product is implanted into the target site during and after surgery, which not only supports the separation of the wound and fixes the repaired mucosal flap, but also controls edema, prevents adhesions, maintains smooth drainage, and sustains the target site to fight against inflammation and promotes healing by means of slow-release hormones.