HapticV1, Main, Exploration, bibRecordById, pubmed:21563287

Graphic and haptic simulation system for virtual laparoscopic rectum surgery

Identifieur interne : 003071 ( Main/Exploration ); précédent : 003070; suivant : 003072

Graphic and haptic simulation system for virtual laparoscopic rectum surgery

Auteurs : Jun J. Pan [Royaume-Uni] ; Jian Chang [Royaume-Uni] ; Xiaosong Yang [Royaume-Uni] ; Jian J. Zhang [Royaume-Uni] ; Tahseen Qureshi [Royaume-Uni] ; Robert Howell [Royaume-Uni] ; Tamas Hickish [Royaume-Uni]

Source :

The International Journal of Medical Robotics and Computer Assisted Surgery [ 1478-5951 ] ; 2011-09.

RBID : ISTEX:5FC5B7FCB18C86A230935E9D06F2ABB7C94CCD24

English descriptors

KwdEn :
- Algorithms, Animals, Computer Simulation, Computer Systems, Digestive System Surgical Procedures, Feedback, Hemorrhage, Humans, Intestines (surgery), Laparoscopy (methods), Magnetic Resonance Imaging (methods), Rectum (surgery), Robotics, Touch, User-Computer Interface, Video Recording, cutting algorithm, haptic force filter, laparoscopic rectum surgery, virtual reality.
MESH :
- methods : Laparoscopy, Magnetic Resonance Imaging.
- surgery : Intestines, Rectum.
- Algorithms, Animals, Computer Simulation, Computer Systems, Digestive System Surgical Procedures, Feedback, Hemorrhage, Humans, Robotics, Touch, User-Computer Interface, Video Recording.

Abstract

Background: Medical simulators with vision and haptic feedback techniques offer a cost‐effective and efficient alternative to the traditional medical trainings. They have been used to train doctors in many specialties of medicine, allowing tasks to be practised in a safe and repetitive manner. This paper describes a virtual‐reality (VR) system which will help to influence surgeons' learning curves in the technically challenging field of laparoscopic surgery of the rectum. Methods: Data from MRI of the rectum and real operation videos are used to construct the virtual models. A haptic force filter based on radial basis functions is designed to offer realistic and smooth force feedback. To handle collision detection efficiently, a hybrid model is presented to compute the deformation of intestines. Finally, a real‐time cutting technique based on mesh is employed to represent the incision operation. Results: Despite numerous research efforts, fast and realistic solutions of soft tissues with large deformation, such as intestines, prove extremely challenging. This paper introduces our latest contribution to this endeavour. With this system, the user can haptically operate with the virtual rectum and simultaneously watch the soft tissue deformation. Conclusions: Our system has been tested by colorectal surgeons who believe that the simulated tactile and visual feedbacks are realistic. It could replace the traditional training process and effectively transfer surgical skills to novices. Copyright © 2011 John Wiley & Sons, Ltd.

Url:

https://api.istex.fr/document/5FC5B7FCB18C86A230935E9D06F2ABB7C94CCD24/fulltext/pdf

DOI: 10.1002/rcs.399

Affiliations:

Royaume-Uni

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<front><div type="abstract" xml:lang="en">Background: Medical simulators with vision and haptic feedback techniques offer a cost‐effective and efficient alternative to the traditional medical trainings. They have been used to train doctors in many specialties of medicine, allowing tasks to be practised in a safe and repetitive manner. This paper describes a virtual‐reality (VR) system which will help to influence surgeons' learning curves in the technically challenging field of laparoscopic surgery of the rectum. Methods: Data from MRI of the rectum and real operation videos are used to construct the virtual models. A haptic force filter based on radial basis functions is designed to offer realistic and smooth force feedback. To handle collision detection efficiently, a hybrid model is presented to compute the deformation of intestines. Finally, a real‐time cutting technique based on mesh is employed to represent the incision operation. Results: Despite numerous research efforts, fast and realistic solutions of soft tissues with large deformation, such as intestines, prove extremely challenging. This paper introduces our latest contribution to this endeavour. With this system, the user can haptically operate with the virtual rectum and simultaneously watch the soft tissue deformation. Conclusions: Our system has been tested by colorectal surgeons who believe that the simulated tactile and visual feedbacks are realistic. It could replace the traditional training process and effectively transfer surgical skills to novices. Copyright © 2011 John Wiley & Sons, Ltd.</div>
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Serveur d'exploration sur les dispositifs haptiques

Graphic and haptic simulation system for virtual laparoscopic rectum surgery

Graphic and haptic simulation system for virtual laparoscopic rectum surgery

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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