Precise and controllable tissue vaporization is essential for minimizing risk in removal of sessile polyps from the lumen of thin walled gastrointestinal organs such as the colon. We compared the ablative efficiency on canine colonic mucosa of the THC:YAG laser with the clinically employed cw Nd:YAG
Comparison of tissue ablation with pulsed holmium and thulium lasers
β Scribed by Nishioka, N.S.; Domankevitz, Y.
- Book ID
- 117868797
- Publisher
- IEEE
- Year
- 1990
- Tongue
- English
- Weight
- 518 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0018-9197
- DOI
- 10.1109/3.64363
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Percutaneous endoscopic approaches to cholelithiasis would be facilitated by methods for welding gallbladder tissues. We evaluated the bursting pressure and histologic appearance of canine gallbladder tissue welded with a thulium-holmiumchromium:YAG (THC:YAG) laser producing a 2.15 pm pulsed output.
Laser welding offers several potential advantages over suture closure, including improved healing, lack of a nidus for stone formation, and greater speed and ease. We examined in vitro gallbladder cystic duct welds created by two different systems, the thulmium-holmium-chromium (THC):YAG (2,150 nm)
## Background and Objective: The pulsed holmium laser is a promising tool for tissue ablation but possesses some limitations. For example, it is capable of producing significant mechanical damage in certain tissues in the form of fissures and fractures. Because longer pulse durations should reduce