Nelson J S, Orenstein A, Liaw L H, Berns M W
Beckman Laser Institute and Medical Clinic, Department of Surgery, University of California, Irvine 92717.
Lasers Surg Med. 1989;9(4):362-74. doi: 10.1002/lsm.1900090409.
A comparative study was undertaken in rabbit tibiae to assess the healing of bone in response to osteotomies by a mid-infrared erbium: YAG (2.94 microns) laser or a mechanical saw. Laser parameters necessary for osteotomy were shown to produce deep cuts with sharp edges and no gross charring or burning of adjacent bone. However, it was noted histologically that there was a delay in healing of the laser osteotomies as compared to saw osteotomies. This delay was caused by a microscopic zone of damage to bone adjacent to the laser cuts. It is concluded that, although the erbium: YAG laser may be a useful tool in orthopaedic surgery to ablate bone, under the conditions used in this study, there will be a delay in the healing process after laser osteotomy.
在兔胫骨上进行了一项对比研究，以评估用中红外铒：钇铝石榴石（2.94微米）激光或机械锯进行截骨术后骨的愈合情况。结果表明，截骨所需的激光参数能产生边缘锐利的深切口，且相邻骨无明显炭化或灼伤。然而，组织学观察发现，与锯切截骨相比，激光截骨的愈合存在延迟。这种延迟是由激光切口相邻骨的微观损伤区域导致的。得出的结论是，尽管铒：钇铝石榴石激光在骨科手术中可能是一种用于切除骨的有用工具，但在本研究使用的条件下，激光截骨术后愈合过程会出现延迟。
