NDLI: Computer-assisted arthroplasty using bio-engineered autografts

Content Provider	IEEE Xplore Digital Library
Author	Sidler, R. Ballester, M.G. Styner, M. Bardyn, T. Nolte, L. Sudkamp, N. Kostler, W.
Copyright Year	2005
Description	Author affiliation: MEM Research Center, Institute for Surgical Technology and Biomechanics, University of Bern, Switzerland. Email: rudolf.sidler@MEMcenter.unibe.ch (Sidler, R.)
Abstract	Recent advances in tissue-engineered cartilage open the door to new clinical treatments of joint lesions. Common to all therapies with in-vitro engineered autografts is the need for optimal fit of the construct, to allow screwless implantation and optimal integration into the live joint. Computer Assisted Surgery techniques are prime candidates to ensure the required accuracy while at the same time simplifying the procedure. A pilot study has been conducted aiming at assembling a new set of methods to support ankle joint arthroplasty using bio-engineered autografts. Computer assistance allows planning of the implant shape on a CT image, manufacturing the construct according to the plan and interoperatively navigating the surgical tools for implantation. A rotational symmetric model of the joint surface was used to avoid segmentation of the CT image; a new software was developed to determine the joint axis and make the implant shape parameterisable. A complete cycle of treatment from planning to operation was conducted on a human cadaveric foot, thus proving the feasibility of computer-assisted arthroplasty using bio-engineered autografts.
Starting Page	7095
Ending Page	7098
File Size	271492
Page Count	4
File Format	PDF
ISBN	0780387414
DOI	10.1109/IEMBS.2005.1616141
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-01-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Joints Surgery Computer aided manufacturing Implants Shape Computed tomography Lesions Medical treatment In vitro Assembly
Content Type	Text
Resource Type	Article

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