Northwestern University Feinberg School of Medicine

Northwestern University Prosthetics-Orthotics Center

NU-FlexSIV Socket Course

Currently, no NU-FlexSIV Socket Courses are scheduled at NUPOC.

If you want to attend a future NU-FlexSIV Socket Course or if your P&O practice would like to host a NU-FlexSIV Socket Course taught by the developers, please contact us with your expression of interest. Email with "NU-FlexSIV" in the subject line to: R. J. Garrick, PhD. 

Online Webinars

See these freely accessible webinars by NU-FlexSIV Socket developers. 

Fatone S (2020) Introduction to the Northwestern University Sub-Ischial Socket Technique (NUFlexSIV and NUFlexSIS). Australian Orthotic and Prosthetic Association, April 30, Online Webinar. 

Caldwell R and Fatone S (2017) Introduction to the Northwestern University Flexible Sub-Ischial Vacuum (NU-FlexSIV) Socket. This online webinar was hosted by the American Academy of Orthotists and Prosthetists. 


Visit Development of Subischial Prosthetic Sockets with Vacuum-Assisted Suspension for Highly Active Persons with Transfemoral Amputations to access publications about the NU-FlexSIV Socket. 

Sub-Ischial Socket Work Form

Download a PDF of the Sub-Ischial Socket Work Form  

AOPS Features NU-FlexSIV Socket at AOPA 2015 

Photo courtesy of Mike Angelico, AOPS

Fatone and Caldwell Present NU-FlexSIV Socket Courses Worldwide

  Ryan Caldwell, CP, at Ossur Academy.

NU-FlexSIV Socket can provide superior range of motion