NDLI: Microliquid jet induced by tunable holmium laser: a potential microsurgery scalpel

Content Provider	Springer Nature Link
Author	Lü, Tao Zhang, Wei Chen, Fang Liu, Zhongchi
Copyright Year	2015
Abstract	The precision of the dissection of soft tissue with a metal scalpel, continuous wave or pulsed lasers, and a continuous liquid-jet dissector is limited by the risk of blood, thermal or mechanical tissue damage, and safety. Making surgical dissections in vessel-rich organs without causing bleeding or thermal and mechanical damage is thus difficult. We present an alternative technique for creating dissections using a pulsed microliquid jet driven by a vaporization bubble, generated by fiber-transmitting holmium lasers with a pulse duration range of 130–1200 µs and a pulse energy range of 170–1000 mJ within one hermetical liquid-jet generator. The dynamics of the microliquid jet and the dissection of a gel induced by lasers with different laser parameter combinations were visualized by means of high-speed photography to investigate the propagation and dissection mechanisms of the microliquid jet in liquid media. The maximal penetration depths in the gel (90 % water and 10 % polyacrylamide) induced by the first and the second laser pulses (918 µs and 757 mJ) can reach 4.907 and 8.427 mm, respectively. The total penetration depth is mainly determined by the second microliquid jet.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	20
Issue Number	1
e-ISSN	16134990
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-01-05
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Laser-induced liquid jet Explosive vaporization effect Microsurgery scalpel Engineering Fluid Dynamics Biomedical Engineering Analytical Chemistry Nanotechnology and Microengineering
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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