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Sensors 2017, 17(4), 919; doi:10.3390/s17040919

Image-Guided Laparoscopic Surgical Tool (IGLaST) Based on the Optical Frequency Domain Imaging (OFDI) to Prevent Bleeding

1
Medical Device Development Center, Osong Medical Innovation Foundation, Cheongju, Chungbuk 361-951, Korea
2
Department of Surgery, Korea University College of Medicine, Seoul 02841, Korea
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editors: Dragan Indjin, Željka Cvejić and Małgorzata Jędrzejewska-Szczerska
Received: 21 February 2017 / Revised: 17 April 2017 / Accepted: 19 April 2017 / Published: 21 April 2017
View Full-Text   |   Download PDF [4160 KB, uploaded 21 April 2017]   |  

Abstract

We present an image-guided laparoscopic surgical tool (IGLaST) to prevent bleeding. By applying optical frequency domain imaging (OFDI) to a specially designed laparoscopic surgical tool, the inside of fatty tissue can be observed before a resection, and the presence and size of blood vessels can be recognized. The optical sensing module on the IGLaST head has a diameter of less than 390 µm and is moved back and forth by a linear servo actuator in the IGLaST body. We proved the feasibility of IGLaST by in vivo imaging inside the fatty tissue of a porcine model. A blood vessel with a diameter of about 2.2 mm was clearly observed. Our proposed scheme can contribute to safe surgery without bleeding by monitoring vessels inside the tissue and can be further expanded to detect invisible nerves of the laparoscopic thyroid during prostate gland surgery. View Full-Text
Keywords: laser and laser optics; optical frequency domain imaging; optical coherence tomography; laparoscopic surgical tool; medical optics instrumentation laser and laser optics; optical frequency domain imaging; optical coherence tomography; laparoscopic surgical tool; medical optics instrumentation
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MDPI and ACS Style

Park, B.J.; Lee, S.R.; Bang, H.J.; Kim, B.Y.; Park, J.H.; Kim, D.G.; Park, S.S.; Won, Y.J. Image-Guided Laparoscopic Surgical Tool (IGLaST) Based on the Optical Frequency Domain Imaging (OFDI) to Prevent Bleeding. Sensors 2017, 17, 919.

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