Success rates with the bone injection gun were 71% (10 out of 14) in children <16 years and 73% (19 out of 26) in adults. Less encouraging data than that seen with the EZ-IO device, and consistent with the experience of some other services.

Prehospital Intraosseus Access With the Bone Injection Gun by a Helicopter-Transported Emergency Medical Team
J Trauma. 2009 Jun;66(6):1739-41