Carnegie Mellon University
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Precision Freehand Sculpting (PFS)
This project is no longer active.
Head: Takeo Kanade
Contact: Gabriel Brisson
Mailing address:
Carnegie Mellon University
Robotics Institute
5000 Forbes Avenue
Pittsburgh, PA 15213
Associated center(s) / consortia:
 Medical Robotics Technology Center (MRTC)
Associated lab(s) / group(s):
 Medical Robotics and Computer Assisted Surgery
Artificial joint replacements must be installed accurately to ensure proper biomechanics. Proper installation requires cutting precise shapes out of bone. The Precision Freehand Sculptor (PFS) is a handheld tool to assist the surgeon in accurately cutting these shapes. Its rotating cutter only allows the surgeon to remove waste bone; the cutter turns off when it hits good bone. Thus the surgeon can use the PFS freehand while it automatically restricts the cut to the proper shape.