Commonly used by patients with type 1 diabetes in the US
External<unk>  connected by flexible tubing to a subcutaneous catheter
Delivers continuous basal<unk>  and (by manually activating) bolus<unk>  (prandial or correction doses)
Patient switches subcutaneous site every 3 days, refills<unk>  reservoir as needed every few days
Insulin infusion device complications
Pancreas transplant complications
Bariatric surgery complications
Starvation ketoacidosis
G-tube complications
Gastric pacemaker complications
CVC catheter problems
Metabolic emergencies 