Micro/nanostructured surface modification using femtosecond laser pulses on minimally invasive electrosurgical devices

Journal of Biomedical Materials Research. Part B, Applied Biomaterials
Chia-Cheng LinHan-Yi Cheng

Abstract

The purpose of the present study was to examine thermal damage and a sticking problem in the tissue after the use of a minimally invasive electrosurgical device with a nanostructured surface treatment that uses a femtosecond laser pulse (FLP) technique. To safely use an electrosurgical device in clinical surgery, it is important to decrease thermal damage to surrounding tissues. The surface characteristics and morphology of the FLP layer were evaluated using optical microscopy, scanning electron microscopy, and transmission electron microscopy; element analysis was performed using energy-dispersive X-ray spectroscopy, grazing incidence X-ray diffraction, and X-ray photoelectron spectroscopy. In the animal model, monopolar electrosurgical devices were used to create lesions in the legs of 30 adult rats. Animals were sacrificed for investigations at 0, 3, 7, 14, and 28 days postoperatively. Results indicated that the thermal damage and sticking situations were reduced significantly when a minimally invasive electrosurgical instrument with an FLP layer was used. Temperatures decreased while film thickness increased. Thermographic data revealed that surgical temperatures in an animal model were significantly lower in the FLP electr...Continue Reading

References

Jan 29, 2002·IEEE Transactions on Medical Imaging·M FerrantS K Warfield
Mar 28, 2003·Ultrasound in Medicine & Biology·Christian KochUwe Eichfeld
Nov 26, 2009·Neurosurgery·Ebonia W Elliott-LewisDaniel L Barrow
Sep 4, 2012·International Journal of Oral and Maxillofacial Surgery·H-Y ChengW-C Hsu
Oct 16, 2012·Journal of Biomedical Materials Research. Part a·Han-Yi ChengKeng-Liang Ou
Jan 26, 2013·Journal of Biomedical Materials Research. Part a·Kuo-Tien ChuKeng-Liang Ou
Aug 28, 2014·BioMed Research International·Yen-Hua Huang, Cheng-Yang Huang

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Citations

Apr 30, 2021·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Michael J WiegandJeremy L Gilbert

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