Karen Joos
Last active: 4/3/2019

Preliminary Design and Evaluation of a B-Scan OCT-Guided Needle.

Joos KM, Shen JH
Photonics. 2014 1 (3): 260-266

PMID: 26038771 · PMCID: PMC4450077 · DOI:10.3390/photonics1030260

Real-time intraoperative B-scan optical coherence tomography (OCT) visualization of intraocular tissues is a desired ophthalmic feature during retinal procedures. A novel intraocular 25-gauge B-mode forward-imaging OCT probe was combined with a 36-gauge needle into a prototype instrument. Imaging of the needle tip itself and the effects of saline injection into a gelatin phantom were performed. A combined B-scan forward-imaging OCT-needle prototype was capable of real-time-imaging of saline injection into a gelatin phantom. Additional future miniaturization may permit this instrument to be an adjunctive realtime imaging and procedure tool for vitreoretinal surgery.

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