- Nasogastric (NG) Tube: Inserted through the nose into the stomach for feeding, medication administration, or gastric decompression. - Percutaneous Endoscopic Gastrostomy (PEG) Tube: Inserted directly into the stomach through the abdominal wall, typically for long-term feeding. - Urinary Catheter: Inserted into the bladder via the urethra to drain urine. - Endotracheal Tube: Inserted into the trachea to maintain an open airway, especially during surgery or in critical care situations.
