biostudies-literatureUnknown7(1)Wang XInnovation (Cambridge (Mass.))https://www.ebi.ac.uk/biostudies/studies/S-EPMC12925904biostudies-literatureStepped 2D array needle transducer for 4D ultrasound imaging-guided spinal puncturePMC12925904Pan YTao HSu MLiu RLi XQiu WZheng HShi CZhang ZHuang WChen YWang XMu PWu WYu YfalseStepped 2D array needle transducer for 4D ultrasound imaging-guided spinal puncture2025-01-01T00:00:00Z2025 Aug2026-07-16T17:43:46.925Z2026-07-09T11:09:29.202ZS-EPMC12925904