Drainage bags are essential medical devices designed to collect bodily fluids, primarily urine, from patients who are unable to control their bladder function or are undergoing certain medical procedures. These bags typically consist of a flexible plastic pouch with an inlet tube connected to a catheter inserted into the patient's bladder. The pouch is equipped with a drainage port at the bottom, allowing for easy disposal of the collected fluid. Most drainage bags are equipped with a valve or clamp to prevent leakage and ensure proper containment of the urine. They come in various sizes to accommodate different patient needs, ranging from small bedside bags for short-term use to larger leg bags for more active patients. Drainage bags play a crucial role in maintaining hygiene, preventing urinary tract infections, and providing comfort and convenience for patients who require urinary drainage. Advanced designs may feature anti-reflux mechanisms to prevent urine from flowing back into the bladder and bacterial filters to reduce the risk of contamination. Proper care and regular emptying of drainage bags are essential to ensure their effectiveness and minimize the risk of complications for the patient.

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