Fig. 2
From: Trans-prosthetic recanalization of a collapsed iliac limb using the GoBack catheter: a case report
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs42155-021-00244-4/MediaObjects/42155_2021_244_Fig2_HTML.png)
a Catheter-based angiography showing occlusion of the right common iliac artery. b Catheter-based angiography showing occlusion of the aortic carrefour. c Orientation of the GoBack needle using the radio-opaque marker