© Clinical Marketing Designs, all rights reserved. The Paediatric Wheels are no longer available. May I thank all those who have supported these projects over the last few years. The Intraosseous Lidocaine Guideline however remains up-to-date, is still fully supported and free to download..... Intraosseous (IO) lidocaine guideline still available to download - click below. For the background to this guideline, click here. Intraosseous Administration of Lidocaine