The product consists of a catheter shaft, hub, and kink-resistant sheath, featuring radiopaque gold markers. The outer surface is coated with a hydrophilic coating (dimethylacrylamide-glycidyl methacrylate copolymer), while the inner surface of the catheter is coated with silicone oil lubricant. The manufacturing materials are as follows: catheter shaft inner layer: polytetrafluoroethylene, middle layer: polyurethane elastomer, reinforcement: stainless steel SUS304, outer layer: polyester elastomer and polyurethane elastomer; hub: nylon 12; kink-resistant sheath: polyurethane elastomer. The product is sterilized with ethylene oxide.