| 摘要 |
1477186 Bone saws M SCHAERER AG 18 Dec 1974 [21 Dec 1973] 54703/74 Heading B5L An osteotome comprises a saw blade 8, a rotary drive crank 1 driven by a motor not shown, and a connecting rod 3, the connecting rod being mounted for axial sliding and swivelling movement at a point intermediate its ends so that the saw may have a backing-off movement imparted thereto on one stroke. A projecting support 10 may be braced against a bone to locate the saw.blade. |
