Laser-Induced Alteration of Collagen Substructure Allows Microsurgical Tissue Welding
- 13 June 1986
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 232 (4756), 1421-1422
- https://doi.org/10.1126/science.3715454
Abstract
Tissue welding is a potentially important biomedical application of laser technology. The structural alterations basic to this phenomenon were studied in experimental repair of lesions of the rat carotid artery and sciatic nerve. A modified neodymiumdoped yttrium-aluminum-garnet laser operating at a wavelength of 1.319 micrometers was used in conjunction with conventional suture techniques. Histological and fine-structural analysis revealed a homogenizing change in collagen with interdigitation of altered individual fibrils that appeared to be the structural basis of the welding effect.Keywords
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