Fig. 1.

Concept and procedure of administration through mid-gut tubing. a The concept of administration through mid-gut tubing; b The endoscopic view at mouth cavity when the soft tube tip from nasal cavity was inserted into hypopharynx close to esophagus; c One tiny endoscopic clip was used for fixation of the tube at gastric antrum before the guide wire within the tube was removed out; d The location of mid-gut tube could be confirmed by X-Ray and contrast agent, but is not necessary using this TET technique and device