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Numerical Reduction of Position Error in a Mechanical Tracking Linkage for Arthroscopic Hip Surgery

[+] Author Affiliations
Emily Geist

Bucknell University, Lewisburg, PA

Kenji Shimada

Carnegie Mellon University, Pittsburgh, PA

Paper No. SBC2011-53405, pp. 383-384; 2 pages
  • ASME 2011 Summer Bioengineering Conference
  • ASME 2011 Summer Bioengineering Conference, Parts A and B
  • Farmington, Pennsylvania, USA, June 22–25, 2011
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5458-7
  • Copyright © 2011 by ASME


The selection of a tracking system for locating patient anatomy and/or surgical tools is of critical importance for many computer aided techniques in minimally invasive surgery. A mechanical tracking system has many advantages in a medical situation since it avoids the occlusion and distortion issues of optical and electromagnetic systems. However, few mechanical tracking systems exist due to the challenges of minimizing error accumulation along a serial linkage. To minimize error, the existing mechanical tracking linkages are large and bulky, making them impractical for a surgical setting.

Copyright © 2011 by ASME



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