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

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...

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Bibliographic Details
Published in:Photonics 2014-09, Vol.1 (3), p.260-266
Main Authors: Joos, Karen M, Shen, Jin-Hui
Format: Article
Language:English
Subjects:
forward-imaging probe
Gelatin
image-guided needle
Imaging
Injection
Medical imaging
Miniaturization
ophthalmic device
ophthalmology
Optical Coherence Tomography
Prototypes
Real time
Retina
Surgery
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Summary: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.
ISSN:2304-6732
2304-6732
DOI:10.3390/photonics1030260