Journal
SURGICAL INNOVATION
Volume 26, Issue 5, Pages 573-580Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/1553350619848551
Keywords
ergonomics and; or human factors study; evidence-based medicine; surgery; simulation; surgical education
Categories
Funding
- Endoscopic Force reflecting Instruments BV
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Background. Compared with open surgery, minimally invasive surgery is limited by reduced sensation of tissue properties. A laparoscopic grasper with integrated haptic feedback technology that improves the ability to sense tissue properties might provide a solution. The force reflecting operation instrument (FROI) is a new laparoscopic grasper, designed to provide information about the interaction forces between the instrument and tissue through resistance in the handle. This pilot study aimed to assess the functionality of the FROI compared with a conventional grasper in an in vivo setting. Methods. In this randomized trial, we used a standard laparoscopic surgical setup to perform laparoscopic surgery in pigs. In all, 11 surgeons performed colorectal, gynecological, or urological procedures, once with the FROI and once with a conventional grasper. Participants were asked to complete the NASA Task Load Index Rating Scale and rate 5 specific features for both graspers. To capture opinions on the overall functionality of the FROI, participants were asked to answer 8 open questions. Results. The surgeons reported that the use of the FROI significantly improved tissue consistency perception, arterial pulse detection, and force control compared with the conventional grasper. No significant differences were found in surgeons' muscular strain or operative time. The most emphasized topics in the open questions were improved soft-tissue handling and importance for complex procedures. Conclusion. Through this first in vivo analysis of the functionality of the FROI, a multispecialty group of laparoscopic surgeons confirmed the added value of haptic feedback technology in a live surgical setting.
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