Medical device removal is the clinical procedure involving the explantation or withdrawal of a medical device from a patient's body. As an academic concept and research field, it systematically investigates the indications, contraindications, techniques, outcomes, complications, patient factors, and systemic influences associated with the cessation of device use. This area of study is significant for informing clinical guidelines, improving patient safety, optimizing resource utilization, and enhancing the understanding of the full lifecycle impact of medical devices on healthcare systems and patient well-being.