| 摘要 |
A gastrostomy tube including a tube with a plurality of flexible legs, each leg having an end joined to an exit end of the tube and another end joined to other ends of the legs to form an expandable Malecot tip. A cord is slideably positioned in each tube with one cord end secured to the joined ends of the legs and another end threaded through the respective leg, through the tube and into a housing located on the entrance end of the tube where it is secured to a capstan. The capstan is secured in a housing attached to the entrance end of the tube. When the capstan is turned, the cords are wrapped around the capstan and pull on the joined ends of the legs so as to cause the legs to buckle and expand laterally, thereby securing the gastrostomy tube in the wall of the abdomen. A one-way valve is located in the tube which permits nutrients to pass from the entrance end, through the tube, and into the stomach but will prevent flow of contents of the stomach in the opposite direction. |
