Fig.1.

Fig. 2.

Fig. 3.

Clinical classification of the limb ischemia [7]
| Fontaine’s stages | Clinical symptoms |
|---|---|
| I | asymptomatic |
| IIa | intermittent claudication after walking a distance>200 m |
| IIb | intermittent claudication after walking a distance<200 m |
| III | rest pain |
| IV | ulcers and gangrene of the limb |