fig1
![Usefulness of chronic total occlusion devices and techniques in other complex lesion subsets](https://image.oaes.cc/b5d5a4cd-3f27-4b71-a19c-09fe22454d81/3043.fig.1.jpg)
Figure 1. Comparative chart of different guiding catheter/GuideLiner systems which may be considered to perform percutaneous coronary interventions through radial approach. On X-axis outer diameter in millimeters; on Y-axis inner diameter in inches