The product is a dual-chamber balloon catheter, primarily composed of structures such as the catheter body, balloon, hub, inflation valve, and support wire, and includes an accessory disposable syringe. Manufacturing materials: Catheter body: Polyvinyl chloride; Balloon: Latex (with a 302 stainless steel radiopaque marker at each end); Hub: Polyvinyl chloride; Inflation valve: Polyurethane and polyester resin; Support wire: Stainless steel and low-density polyethylene; Syringe: Polypropylene and polypropylene. The product is sterilized with ethylene oxide and is for single use only.