06 April 2026
: Case report 
Severely Calcified Proximal Superficial Femoral Artery Lesion Treated With Bamboo Spear Technique Under Complete Ultrasound Guidance: A Case Report
Unusual or unexpected effect of treatment
Yoshinori Sakamoto
E 1*, Atsuhiko Sugimoto E 1
DOI: 10.12659/AJCR.952222
Am J Case Rep 2026; 27:e952222
Figure 2 Ultrasound-guided bamboo spear technique for direct puncture of the calcified lesion (A) Long-axis ultrasound (US) visualization of the calcified nodule. (B) Determination of puncture angle and needle trajectory. (C) Needle used in the procedure. (D, E) Advancement of the needle using a long-axis view, with intermittent short-axis confirmation. (F) Successful penetration of the calcified plaque using complete US guidance.