For Children with G-tube, there is the Kangroo ( http://www.kangarooepump.com/ ) and the infinity feeding pump ( http://www.infinityfeedingpump.com/ ) Most of these pumps are held up using a big feeding pole. Here is a crib side Feedholder solution for inifinity pumps. This is designed to work with the CribHolder-Top (http://www.thingiverse.com/thing:1233667).

https://github.com/nmenon/3DPrints/tree/master/Sushruta/FeedHolder

Goes in hand with (crib holder)