Rescuer Surgical Powersaw (Polygon mesh 3D model) is available on CGTrader for $24. Original author: Libre-Alma. Specs: 4959536 polys, 2479873 verts.
SLDPRT (SolidWorks, filesize: 25.1 MB), FBX (Autodesk FBX, filesize: 44.5 MB), MAX (Autodesk 3ds Max, filesize: 17.8 MB), IGE (IGES, filesize: 3.29 MB), WRL (VRML, filesize: 3.38 MB), STL (Stereolithography, filesize: 9.53 MB), STP (STEP, filesize: 2.86 MB), PDF (PDF, filesize: 5.23 MB)