Toksvig-Larsen S, Ryd L, Lindstrand A
Department of Orthopedics, University Hospital, Lund, Sweden.
J Arthroplasty. 1992 Mar;7(1):21-4. doi: 10.1016/0883-5403(92)90027-n.
Laboratory tests were carried out on ox bone to evaluate the thermal effect of eight different saw blades while cutting cortical bone. These saw blades represented the usual clinical blades as well as saw blades specially manufactured in an attempt to decrease the temperature. Temperatures between 34 degrees C and 450 degrees C were registered in the saw blades. Only three measurements (of 219 tests) were below 44 degrees-47 degrees C, which is a critical limit for heat-induced bone necrosis. This test indicates that alternating saw blade design is not a way to control the temperature elevation during cutting of bone in orthopaedic procedures.
对牛骨进行了实验室测试，以评估八种不同锯片在切割皮质骨时的热效应。这些锯片代表了常见的临床锯片以及为降低温度而专门制造的锯片。锯片中记录的温度在34摄氏度至450摄氏度之间。在219次测试中，只有三次测量结果低于44摄氏度至47摄氏度，这是热诱导骨坏死的临界极限。该测试表明，在骨科手术中切割骨头时，交替使用锯片设计并非控制温度升高的方法。
