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11 March 2015 Catheter-based photoacoustic endoscope for use in the instrument channel of a clinical video endoscope
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Abstract
We have successfully developed a fully-sheathed, flexible shaft-based, mechanical scanning photoacoustic endoscopy (PAE) system for imaging the human gastrointestinal tract via the instrument channel of a clinical video endoscope. The endoscopic system uses a single element ultrasonic transducer and flexible shaft-based proximal actuation mechanism, and it has a 2.5 m long and 3.2 mm diameter catheter section, which can be accommodated in the 3.7 mm diameter instrument channel of a clinical video endoscope. Here, we demonstrate the intra-instrument channel workability and in vivo imaging capability of the PAE system.
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Joon-Mo Yang, Chiye Li, Ruimin Chen, Qifa Zhou, K. Kirk Shung, and Lihong V. Wang "Catheter-based photoacoustic endoscope for use in the instrument channel of a clinical video endoscope", Proc. SPIE 9323, Photons Plus Ultrasound: Imaging and Sensing 2015, 93230Y (11 March 2015); https://doi.org/10.1117/12.2080094
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