What would make it illegal to do this? Generally anything which hasn't been invented yet is legal, it's rare (but not impossible) for something to be banned before it exists.
9. Does FDA require IRB review and approval of off-label use of a legally marketed device?
...(unrelated for this conversation)...
Yes, when the off-label use of a legally marketed device is part of a research study collecting safety and effectiveness data involving human subjects, IRB review and approval is required (21 CFR 812.2(a)). For additional information on the off-label use of devices, see the FDA Information Sheet guidance, “ ‘Off-label’ and Investigational Use of Marketed Drugs, Biologics and Medical Devices.”
