Prevent blockking up formula stomach stoma tube

The utility model belongs to the field of medical equipment, specifically disclose a prevent blockking up formula stomach stoma tube, include outer tube (1) and penetrate inner tube (2) of outer tube (1), the external end of inner tube (2) stretches out the external end of outer tube (1), just the external end of outer tube (1) with the external end reciprocal anchorage of inner tube (2). The utility model discloses the problem of intraductal jam when the accessible is changed the inner tube and is solved the stomach fistulization has reduced patient's misery, has reduced the probability that leads to the secondary operation because of the jam.