Elasticity-guided piezoelectric biopsy needles
An ultrathin, needle-shaped piezoelectric microsystem that can be injected or mounted onto conventional biopsy needles measures variations in tissue modulus in real time and can thus be used to distinguish abnormal from healthy tissue.
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The cover illustrates a biopsy needle with mounted piezoelectrics for distinguishing tumour and healthy tissue via variations in tissue modulus.
See Yu et al., https://www.nature.com/articles/s41551-018-0201-6
Image: Seyed M. M. Basri, Shahid Beheshti University