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A Complete Augmented Reality Guidance System for Liver Punctures

Summary: A Complete Augmented Reality Guidance
System for Liver Punctures:
First Clinical Evaluation
S.A. Nicolau2
, X. Pennec1
, L. Soler2
, and N. Ayache1
INRIA Sophia, Epidaure, 2004 Rte des Lucioles, F-06902 Sophia-Antipolis, Cedex
{Stephane.Nicolau, Xavier.Pennec, Nicholas.Ayache}@sophia.inria.fr
IRCAD-Hopital Civil, Virtual-surg, 1 Place de l'Hopital, 67091, Strasbourg, Cedex
{stephane.nicolau, luc.soler}@ircad.u-strasbg.fr
Abstract. We provided in [14] an augmented reality guidance system
for liver punctures, which has been validated on a static abdominal phan-
tom [16]. In this paper, we report the first in vivo experiments.
We developed a strictly passive protocol to directly evaluate our sys-
tem on patients. We show that the system algorithms work efficiently
and we highlight the clinical constraints that we had to overcome (small
operative field, weight and sterility of the tracked marker attached to the


Source: Ayache, Nicholas - INRIA


Collections: Computer Technologies and Information Sciences; Engineering