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Pattern cutting and ligating loop simulation in Virtual Basic Laparoscopic Skill Trainer (VBLaST.

Identifieur interne : 000A22 ( PubMed/Corpus ); précédent : 000A21; suivant : 000A23

Pattern cutting and ligating loop simulation in Virtual Basic Laparoscopic Skill Trainer (VBLaST.

Auteurs : Woojin Ahn ; Tansel Halic ; Suvranu De

Source :

RBID : pubmed:23400120

English descriptors

Abstract

This paper presents the pattern cutting and ligating loop simulation in the Virtual Basic Laparoscopic Skill Trainer (VBLaST©). In the simulation, the gauze, tubular foam, and ligating loop thread are modeled by the mass-spring method and constraint projection for the inextensible characteristics. Discrete simulation states defined based on the tool-object interaction types are utilized to efficiently and accurately manages the physics simulation, collision processing, and haptic feedback in real-time. An automated scoring system provides quantitative measurement for evaluation of trainees' skills. The simulation results show advanced visual realism and real-time performances.

PubMed: 23400120

Links to Exploration step

pubmed:23400120

Le document en format XML

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<div type="abstract" xml:lang="en">This paper presents the pattern cutting and ligating loop simulation in the Virtual Basic Laparoscopic Skill Trainer (VBLaST©). In the simulation, the gauze, tubular foam, and ligating loop thread are modeled by the mass-spring method and constraint projection for the inextensible characteristics. Discrete simulation states defined based on the tool-object interaction types are utilized to efficiently and accurately manages the physics simulation, collision processing, and haptic feedback in real-time. An automated scoring system provides quantitative measurement for evaluation of trainees' skills. The simulation results show advanced visual realism and real-time performances.</div>
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