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  • Title: Development of a virtual reality haptic Veress needle insertion simulator for surgical skills training.
    Author: Okrainec A, Farcas M, Henao O, Choy I, Green J, Fotoohi M, Leslie R, Wight D, Karam P, Gonzalez N, Apkarian J.
    Journal: Stud Health Technol Inform; 2009; 142():233-8. PubMed ID: 19377157.
    Abstract:
    The Veress needle is the most commonly used technique for creating the pneumoperitoneum at the start of a laparoscopic surgical procedure. Inserting the Veress needle correctly is crucial since errors can cause significant harm to patients. Unfortunately, this technique can be difficult to teach since surgeons rely heavily on tactile feedback while advancing the needle through the various layers of the abdominal wall. This critical step in laparoscopy, therefore, can be challenging for novice trainees to learn without adequate opportunities to practice in a safe environment with no risk of injury to patients. To address this issue, we have successfully developed a prototype of a virtual reality haptic needle insertion simulator using the tactile feedback of 22 surgeons to set realistic haptic parameters. A survey of these surgeons concluded that our device appeared and felt realistic, and could potentially be a useful tool for teaching the proper technique of Veress needle insertion.
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