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Etude d'un dispositif de guidage de geste chirurgical de ponction par stimulation électrotactile linguale

Abstract : The purpose of the work is to use the tactile modality to allow the surgeon to guide a needle until a target preserving the visual modality dedicated to the operative field observation. With this intention, the paradigm of sensory substitution using the lingual visuo-tactile device (Tongue Display Unit - TDU -) of Bach-y-Rita is exploited. This research relates to the guidance of puncture gesture with lingual electrotactile spatial information. The objective is to evaluate the performances of the lingual electrotactile system and the spatial tactile discriminative capacities of the tongue. For that, various experiments were carried out : two series of psychophysical fundamental experiments to analyze the lingual comfort and liminary electrotactile thresholds on various areas of the tongue surface and the capacity to discriminate electrotactile patterns of direction. The results are very heterogeneous according to the position of stimulation on the tongue and depend on the perceptive task carried out. Moreover, two experiments applied to the realization of trajectory of puncture using guidance TDU showed that a lingual electrotactile guidance allowed very precisely to direct a needle until a percutaneous target of a few millimeters.
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https://tel.archives-ouvertes.fr/tel-00432979
Contributor : Fabien Robineau <>
Submitted on : Tuesday, November 17, 2009 - 5:14:30 PM
Last modification on : Thursday, November 19, 2020 - 3:56:07 PM
Long-term archiving on: : Thursday, June 17, 2010 - 8:44:31 PM

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  • HAL Id : tel-00432979, version 1

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Fabien Robineau. Etude d'un dispositif de guidage de geste chirurgical de ponction par stimulation électrotactile linguale. Psychologie. Université Joseph-Fourier - Grenoble I, 2009. Français. ⟨tel-00432979⟩

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