Learning from visual force feedback in box trainers: tissue manipulation in laparoscopic surgery
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- 作者：Tim Horeman (1) (2)
Freek van Delft (1) (2)
Mathijs D. Blikkendaal (2)
Jenny Dankelman (1)
John J. van den Dobbelsteen (1)
Frank-Willem Jansen (2) - 关键词：Augmented reality ; Box trainers ; Force feedback ; Laparoscopy ; Training methods
- 刊名：Surgical Endoscopy
- 出版年：2014
- 出版时间：June 2014
- 年：2014
- 卷：28
- 期：6
- 页码：1961-1970
- 全文大小：
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21. Inman T (1860) Foundation for a new theory and practice of medicine (book review). Am J Med Sci 40:450-58 - 作者单位：Tim Horeman (1) (2)
Freek van Delft (1) (2)
Mathijs D. Blikkendaal (2)
Jenny Dankelman (1)
John J. van den Dobbelsteen (1)
Frank-Willem Jansen (2)
1. Department of Biomechanical Engineering, Faulty of Mechanical, Maritime and Materials Engineering (3mE), Delft University of Technology, Mekelweg 2, 2628 CD, Delft, The Netherlands
2. Department of Gynecology, Leiden University Medical Center, Leiden, The Netherlands - ISSN：1432-2218
文摘
Background Currently, task time and errors are often used as performance parameters in laparoscopic training. Training with the focus on task time improvement alone results in fast, but possibly less controlled, instrument movements and therefore suboptimal tissue handling skills. Methods Twenty-five medical students were randomly assigned in two groups. Both groups performed a tissue manipulation task six times. During this training session, the time feedback group (n?=?13) received real-time visual feedback of the task time. The force feedback group (n?=?12) received real-time visual feedback of the tissue manipulation force. After the training sessions, participants in both groups performed an entirely different task without visual feedback. Task time, force, and motion parameters of this posttest were used to compare the technical skills of the medical students. Results The training data of the group that received force feedback showed a learning curve for the mean and max absolute force, max force area, force volume, task time, and path length of both instruments. The data from the group that received time feedback showed a learning curve for the max force, task time, and path length of both instruments. In the posttest, the parameters of mean absolute force (p?=?0.039), max force (p?=?0.041), and force volume (p?=?0.009) showed a significant difference in favor of the group that received force feedback. Conclusions The learning curves and the posttest indicate that training with visual force feedback improves tissue handling skills with no negative effect on the task time and instrument motions. Conventional laparoscopic training with visual time feedback improves instrument motion and task time, but it does not improve tissue manipulation skills.