<unk>  usually refers to the use of<unk> s inserted into the esophagus, stomach or uterus, and inflated to alleviate or stop refractory bleeding.
Balloon tamponade
Corticotomy
Pericardial window
Pericardiocentesis
Pericardiectomy
Pulmonary tractotomy
Intra-aortic balloon pump
Ventriculectomy