The types segment classifies Bile Duct Drainage Tubes into external, internal, and hybrid configurations, each aligning with specific clinical pathways. External tubes, such as percutaneous catheters, feature a trans‑skin exit point and are favored in acute drainage scenarios where rapid decompression is required; they dominate the market due to ease of placement and cost efficiency. Internal tubes, including endoscopic stents and fully implantable silicone conduits, are designed for long‑term patency and are prevalent in chronic obstruction and palliative care, where patient comfort and reduced infection risk are paramount. Hybrid systems combine percutaneous access with internal stenting, offering a transitional solution that leverages the strengths of both approaches. The relative market contribution of each type reflects procedural preference, device cost, and reimbursement policies, thereby influencing overall market dynamics without overlapping the application‑focused chart data.