Technical Brief

Preliminary Comparison of Laparoendoscopic Single-Site Surgery Instrumentation With Novice Surgical Interns: How Usability Testing Can Reveal Human Factors Issues Prior to Errors in the Operating Room1

[+] Author and Article Information
Bethany Lowndes, Bernadette McCrory

University of Nebraska-Lincoln,
Lincoln, NE 68508

Chad LaGrange

University of Nebraska Medical Center,
Omaha, NE 68198

David Farley, M. Susan Hallbeck

Mayo Clinic,
Rochester, MN 55905

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.

Manuscript received February 21, 2014; final manuscript received March 3, 2014; published online April 28, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(2), 020949 (Apr 28, 2014) (2 pages) Paper No: MED-14-1097; doi: 10.1115/1.4027063 History: Received February 21, 2014; Revised March 03, 2014

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Grahic Jump Location
Fig. 1

CL (left) and LESS (right) simulation test-beds

Grahic Jump Location
Fig. 2

LESS peg transfer task (right-hand participant). Descriptive statistics were completed for task times. The laparoscopic tool was the independent variable in a Kruskal–Wallis ANOVA test on the median time to complete the FLS peg transfer, with α = 0.05.

Grahic Jump Location
Fig. 3

Overall ranking of instruments

Grahic Jump Location
Fig. 4

Comparison of instrument features



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