Combined Use of Excimer Laser and High-Speed Rotational Atherectomy to Overcome a Severely Calcified Lesion in Endovascular Therapy

Figure 3

Devices that failed to cross the lesion. (a) The thin balloon is bent. (b) The Corsair PV microcatheter is fractured. (c) Crosser system cannot pass the lesion. (d) The needle cracking technique from outside of the vessel. (e) Needle cracking technique from inside of the vessel using the stiff wire. (f) Needle cracking technique from inside of the vessel using the tail of the wire. (g) The thin balloon cannot pass the lesion even after these devices and techniques.

(a)

(b)

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(d)

(e)

(f)

(g)