Abstract
The aim of this study is to present the SurgeForce system, a tissue handling training device for analysis of dynamic force applied to the tissue and objective assessment of basic surgical skills during the suture process. The SurgeForce system consists of a mechanical base formed by two platforms joint with three stainless steel springs and a three axial digital accelerometer attached to the upper platform, which detects the dynamic force caused by a surgeon when performing a suture task over a synthetic tissue pad. Accelerometer data is sent to a control unit where preprocessing to transform the raw data into a force signal is done, and then, the force signal is sent to a computer application, which register the force exerted over the synthetic tissue pad. For validation, 17 participants (6 surgeons and 11 medical students) performed three simple interrupted sutures with knot tying using the SurgeForce system. Ten force-based metrics were proposed to evaluate their performance during the suturing task. Results of the validation showed statistical differences in 8 of 10 force-based parameters for assessment of basic surgical skills during the suture task. The SurgeForce system demonstrated its capacity to differentiate force-based performance of surgeons and medical students. The SurgeForce system has been successfully validated. This system was able to distinguish force performance between experts and novices, showing its potential to distinguish surgeons with basic suture skills from those who are not yet prepared.
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Acknowledgments
This work has been carried out with the support of the UNAM-DGAPA-PAPIME program, (project PE217020). The authors would like to thank all medical students and surgeons from Department of Surgery at Faculty of Medicine, Universidad Nacional Autónoma de México (UNAM) for their kindly and enthusiastic participation in this study. Special thanks to José Rodolfo Rosas-Ortiz and Victor Gabriel Hernández Valderrama for their technical assistance in the design, manufacture, and assembly of this device.
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Pérez-Escamirosa, F., Montoya-Alvarez, S., Ordorica-Flores, R.M. et al. Design of a Dynamic Force Measurement System for Training and Evaluation of Suture Surgical Skills. J Med Syst 44, 174 (2020). https://doi.org/10.1007/s10916-020-01642-2
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DOI: https://doi.org/10.1007/s10916-020-01642-2