2023
DOI: 10.1038/s41598-023-29392-4
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Endoscopic image-guided laser treatment system based on fiber bundle laser steering

Abstract: A miniaturized endoscopic laser system with laser steering has great potential to expand the application of minimally invasive laser treatment for micro-lesions inside narrow organs. The conventional systems require separate optical paths for endoscopic imaging and laser steering, which limits their application inside narrower organs. Herein, we present a novel endoscopic image-guided laser treatment system with a thin tip that can access inside narrow organs. The system uses a single fiber bundle to simultane… Show more

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Cited by 5 publications
(2 citation statements)
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“…Although a collimated laser beam was used for both the simulations and the ex vivo experiments, the laser light is generally guided by an optical fiber for clinical treatment of deeply seated lesions and of lesions in locations that are difficult to access 40 . Various probe shapes are available, depending on the target tissue and the laser ablation technique used 41 , 42 .…”
Section: Discussionmentioning
confidence: 99%
“…Although a collimated laser beam was used for both the simulations and the ex vivo experiments, the laser light is generally guided by an optical fiber for clinical treatment of deeply seated lesions and of lesions in locations that are difficult to access 40 . Various probe shapes are available, depending on the target tissue and the laser ablation technique used 41 , 42 .…”
Section: Discussionmentioning
confidence: 99%
“…The capability to see through a single optical fiber or a small bundle with extremely small device dimensions holds the potential to drastically transform the field of biomedical endoscopy, as sutureless surgery would become possible. Various approaches to this problem have been explored, including fiber-optic confocal microscopy, , scanning fiber endoscopy, , coherent fiber bundles, and micro-electromechanical systems-scanned optical coherence tomography endoscopic probes. , In scanning-based modalities, an image is formed by scanning the fiber , or the beam at the distal end, , which results in bulky devices, relatively complicated integration, and low speed. , On the other hand, an ordered fiber array (i.e., a coherent fiber bundle) , enables direct imaging combined with a lens, but the resolution is ultimately limited by the number of fibers ∼10,000 in the bundle and typically has a larger diameter (∼1 mm).…”
Section: Introductionmentioning
confidence: 99%