The product consists of a guidewire and a shaping needle. The guidewire is composed of a tapered core wire and a coiled wire. The front end of the coiled wire is made of radiopaque platinum/nickel alloy coil, while the rear end is made of SUS304 stainless steel coil. The front end of the tapered core wire is made of nitinol wire, and the rear end is made of SUS304 stainless steel wire. The tip of the guidewire (2mm) is coated with a silicone oil coating. Sterilized with ethylene oxide, for single use only.