Sengstaken-Blackmore tube
Sengstaken-Blackmore tube is a 3 lumen tube-
- lumen to inflate gastric balloon ,
- lumen to inflate oesophageal balloon and a
- third lumen to aspirate gastric lumen
Minnesota tube- or modified Sengstaken-Blackmore tube is a four lumen tube with an additional lumen to aspirate oesophageal lumen to prevent aspiration from swallowed saliva and blood from the oesophageal varix
