Enhancing epidural needle guidance using a polarization‐sensitive optical coherence tomography probe with convolutional neural networks
Chen Wang,
Yunlong Liu,
Paul Calle
et al.
Abstract:Epidural anesthesia helps manage pain during different surgeries. Nonetheless, the precise placement of the epidural needle remains a challenge. In this study, we developed a probe based on polarization‐sensitive optical coherence tomography (PS‐OCT) to enhance the epidural anesthesia needle placement. The probe was tested on six porcine spinal samples. The multimodal imaging guidance used the OCT intensity mode and three distinct PS‐OCT modes: (1) phase retardation, (2) optic axis, and (3) degree of polarizat… Show more
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