Interventional catheters are specialized medical devices used to diagnose and treat various conditions within the body. They are thin, flexible tubes that can be inserted into blood vessels or other pathways to deliver treatments, take measurements, or perform procedures. These catheters are often guided by imaging techniques such as X-rays or ultrasound to ensure accurate placement. These devices play a crucial role in minimally invasive procedures, reducing the need for larger surgical incisions. Interventional catheters can be used for a variety of applications, including angioplasty, stent placement, and biopsy, making them essential tools in modern medicine.