Showing papers by "Anthony M. DiGioia published in 2004"
26 Sep 2004
TL;DR: Three users used each of three PFS prototype concepts to cut a faceted shape in wax and the results of this experiment were analyzed to identify the largest sources of error.
Abstract: The Precision Freehand Sculptor (PFS) is a compact, handheld, intelligent tool to assist the surgeon in accurately cutting bone. A retractable rotary blade on the PFS allows a computer to control what bone is removed. Accuracy is ensured even though the surgeon uses the tool freehand. The computer extends or retracts the blade based on data from an optical tracking camera. Three users used each of three PFS prototype concepts to cut a faceted shape in wax. The results of this experiment were analyzed to identify the largest sources of error.
83 citations
TL;DR: Although promising, the initial clinical experience in joint reconstructive surgery is limited and needs to be supported by further, prospective analysis.
50 citations
01 Jan 2004
TL;DR: CT scan has a prominent role, since it provides three-dimensional images of relatively high accuracy, especially well suited for orthopaedics, since the bone separates from the rest of the tissue by its intensity, which makes the bone segmentation a relatively simple task.
Abstract: Medical imaging modalities in diagnostic and clinical use today offer a wide range of possibilities for design and implementation of computer-assisted surgical systems. Among those modalities, computed tomography (CT) scan has a prominent role, since it provides three-dimensional images of relatively high accuracy. It is especially well suited for orthopaedics, since the bone separates from the rest of the tissue by its intensity, which makes the bone segmentation a relatively simple task.
5 citations