Disposable Sterile HSG Catheter Key Features Radiopaque Position Marker : Visible under fluoroscopy for accurate catheter tip positioning during HSG procedures Integrated Guide Wire : Reinforces catheter stiffness for controlled atraumatic insertion through the cervical os Smooth Balloon Transition : Seamless balloon-to-shaft junction reduces tissue trauma and minimizes contrast leakage High Biocompatibility : Medical-grade silicone for safe intrauterine use with minimal