The surgical ablation on soft tissues using Ho:YAG laser with deviated beam fiber

Jaafar, Nurul Syahirah Aziz and Lim, Kok Sing and Zaini, Muhammad Khairol Annuar and Ahmad, Harith and Sepeai, Suhaila and Tan, Guan Hee and Tan, Geok Chin and Zainuddin, Zulkifli Md. (2019) The surgical ablation on soft tissues using Ho:YAG laser with deviated beam fiber. Optical Fiber Technology, 52. p. 101937. ISSN 1068-5200, DOI

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In this work, we demonstrate the use of 2.12-μm Ho:YAG laser with a deviated-firing fiber for laser ablation on chicken tissues. The tissue ablation tests were conducted under non-contact and contact conditions. The thermal damage and ablation efficiency made by the fiber on the tissue were quantitatively analyzed and compared. It is found that, the ablation threshold is lower and ablation is more efficient under the non-contact mode, in which the fiber device is kept at a small distance of 0.5–1.0 mm from the target tissue. This can be attributed to amber space between the fiber and the tissue that allows the ejection of ablation debris and vapor from the ablation zone. This ensures better transmission of laser energy from the fiber device to the target tissue. Such design offers better ablation efficient and enhances the service life of the medical fiber device. © 2019 Elsevier Inc.

Item Type: Article
Funders: Grant FRGS ( FRGS/1/2016/SKK04/UKM/02/1 ) from Ministry of Education, Malaysia
Uncontrolled Keywords: Lithotripsy; Ureteroscopy; Ureteroscopic lithotripsy
Subjects: Q Science > QC Physics
R Medicine
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 26 Mar 2020 05:27
Last Modified: 26 Mar 2020 05:27

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