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Fig. 4 | CVIR Endovascular

Fig. 4

From: Direct bare metal needle puncture and balloon angioplasty in calcified plaques of the common femoral artery guided by angiography (“BAMBOO SPEAR”)

Fig. 4

a Image showing a 21-G needle that is slightly curved. b Calcified plaque in the left CFA. c, d The needle was advanced into the center of the calcified plaque while observing from multiple directions with a fluoroscopic guide. e The needle on the externalized guidewire is coaxially placed in and out several times to puncture the lesion. f An antegrade wire was advanced into the SFA. g We placed the filter wire in the popliteal artery. h, i We dilated the CFA with a scoring balloon and high-pressure balloons. j Final angiography shows that the CFA is well opened

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