✦ LIBER ✦

Biological effects of laser welding on vascular healing

✍ Scribed by Rodney A. White; R. Patrick Abergel; Richard Lyons; Stanley R. Klein; George Kopchok; Richard M. Dwyer; Jouni Uitto

Publisher: John Wiley and Sons
Year: 1986
Tongue: English
Weight: 487 KB
Volume: 6
Category: Article
ISSN: 0196-8092
DOI: 10.1002/lsm.1900060208

No coin nor oath required. For personal study only.

✦ Synopsis

The feasibility of welding thin-walled microvessels by laser has been established. This report summarizes our experience using laser welding to repair thick-walled, high-pressure, 4 to 8-mm canine arteries using C02, Nd:YAG, and argon lasers. The C02 laser did not produce seals that could withstand arterial pressure. Nd:YAG laser welds were initially successful, but the majority failed within 20 to 40 minutes. The argon laser uniformly sealed 2-cm-length arteriotomies that healed rapidly within 4 to 6 weeks and had less foreign body response compared to sutured controls. Laser welding may represent an alternative for repair of smalland largediameter vessels with several advantages compared to conventional suture techniques.

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