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Proceedings Paper

Adding tactile realism to a virtual reality laparoscopic surgical simulator with a cost-effective human interface device
Author(s): Ian W. Mack; Stephen Potts; Karen R. McMenemy; R. Stuart Ferguson
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Paper Abstract

The laparoscopic technique for performing abdominal surgery requires a very high degree of skill in the medical practitioner. Much interest has been focused on using computer graphics to provide simulators for training surgeons. Unfortunately, these tend to be complex and have a very high cost, which limits availability and restricts the length of time over which individuals can practice their skills. With computer game technology able to provide the graphics required for a surgical simulator, the cost does not have to be high. However, graphics alone cannot serve as a training simulator. Human interface hardware, the equivalent of the force feedback joystick for a flight simulator game, is required to complete the system. This paper presents a design for a very low cost device to address this vital issue. The design encompasses: the mechanical construction, the electronic interfaces and the software protocols to mimic a laparoscopic surgical set-up. Thus the surgeon has the capability of practicing two-handed procedures with the possibility of force feedback. The force feedback and collision detection algorithms allow surgeons to practice realistic operating theatre procedures with a good degree of authenticity.

Paper Details

Date Published: 30 January 2006
PDF: 11 pages
Proc. SPIE 6055, Stereoscopic Displays and Virtual Reality Systems XIII, 60551T (30 January 2006); doi: 10.1117/12.642259
Show Author Affiliations
Ian W. Mack, The Queen's Univ. of Belfast (United Kingdom)
Stephen Potts, The Royal Group of Hospitals (United Kingdom)
Karen R. McMenemy, The Queen's Univ. of Belfast (United Kingdom)
R. Stuart Ferguson, The Queen's Univ. of Belfast (United Kingdom)

Published in SPIE Proceedings Vol. 6055:
Stereoscopic Displays and Virtual Reality Systems XIII
Andrew J. Woods; Mark T. Bolas; Ian E. McDowall; Neil A. Dodgson; John O. Merritt, Editor(s)

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