Direct haptic volume rendering in lumbar puncture simulation.
Identifieur interne : 001E89 ( Ncbi/Merge ); précédent : 001E88; suivant : 001E90Direct haptic volume rendering in lumbar puncture simulation.
Auteurs : Andre Mastmeyer [Allemagne] ; Dirk Fortmeier ; Heinz HandelsSource :
- Studies in health technology and informatics [ 0926-9630 ] ; 2012.
English descriptors
- KwdEn :
- MESH :
- instrumentation : Spinal Puncture.
- methods : Spinal Puncture.
- statistics & numerical data : Elasticity Imaging Techniques.
- Computer Simulation, Humans, Imaging, Three-Dimensional, Touch Perception.
Abstract
The preparation phase for surgical simulations often comprises the segmentation of patient data, which is needed for realistic visual and haptic rendering. Expert segmentation of 3D patient data sets can last from several hours to days. In this paper we introduce a direct haptic volume rendering approach for lumbar punctures. Preparation time spent for segmentation is much shorter and compared to our reference system nearly identical force output at the needle tip can be observed. The number of structures to be completely segmented by an expert is reduced from 11 to 3 tissues in abdominal data sets with 300 slices.
PubMed: 22357002
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pubmed:22357002Le document en format XML
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<term>Spinal Puncture (instrumentation)</term>
<term>Spinal Puncture (methods)</term>
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<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Spinal Puncture</term>
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<front><div type="abstract" xml:lang="en">The preparation phase for surgical simulations often comprises the segmentation of patient data, which is needed for realistic visual and haptic rendering. Expert segmentation of 3D patient data sets can last from several hours to days. In this paper we introduce a direct haptic volume rendering approach for lumbar punctures. Preparation time spent for segmentation is much shorter and compared to our reference system nearly identical force output at the needle tip can be observed. The number of structures to be completely segmented by an expert is reduced from 11 to 3 tissues in abdominal data sets with 300 slices.</div>
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<Abstract><AbstractText>The preparation phase for surgical simulations often comprises the segmentation of patient data, which is needed for realistic visual and haptic rendering. Expert segmentation of 3D patient data sets can last from several hours to days. In this paper we introduce a direct haptic volume rendering approach for lumbar punctures. Preparation time spent for segmentation is much shorter and compared to our reference system nearly identical force output at the needle tip can be observed. The number of structures to be completely segmented by an expert is reduced from 11 to 3 tissues in abdominal data sets with 300 slices.</AbstractText>
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