It is absolutely **not** appropriate. The introducer/dilator is made of a stiff material, usually PTFE which has much greater rates of complications. These devices are not the same length as a true midline. There are far too many risks with this practice beginning with the fact that it is an off label use.
Lynn Hadaway, M.Ed., RN, BC, CRNI
Lynn Hadaway Associates, Inc.
126 Main Street, PO Box 10
Milner, GA 30257
Office Phone 770-358-7861