Hi Sylvia and welcome to the forum.
All the policies I have seen for hypodermoclysis infusions are gravity feed only and also state that infusion devices are not to be used for this procedure, for all the obvious reasons I would think.

Some useful info on infusions at this link...
http://www.rcn.org.uk/__data/assets/pdf_file/0005/78593/002179.pdfYou need to ask why they want to deliver the infusion in this way.
John