Patient Consent

All potentially identifiable patients gave written consent for their images to be used by the authors for educational purposes only. That means you may view the images and videos yourself, but please don't use them for any other reason.  

Author Declarations

The site author has received research support, conference travel assistance and honoraria from the Kimberly Clark Corporation (I-Flow elastomeric pumps) and Allied Medical Australia Ltd (ambIT® pump). SonoSite International, Allied Medical and Surgical Specialties Australia Ltd also provide valuable site sponsorship to offset costs associated with server hosting, site promotion, and ongoing site development. Despite this industry sponsorship, the site runs at a net loss - that loss covered by the editor. BBraun Ltd have provided nerve block equipment for research purposes.


Except where specifically authorised on the relevant page, the content of this site may not be reproduced in any format without the express permission of the site editor. The authors of have made every effort to obtain permission for the use of images widely available on the internet. If your own copyrighted image appears here, we will on request, remove that image immediately.  


The author(s) have developed considerable experience with the techniques depicted on We can therefore defend the safety of all techniques described. However, for obvious reasons, the author(s) cannot take responsibility for others in the unlikely event of complications occuring as a result of these or any other techniques.