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Related Experiment Videos

A microprocessor-controlled psychomotor tester for minimal access surgery

G B Hanna1, T Drew, P Clinch

  • 1Ninewells Hospital and Medical School, University of Dundee, Dundee Tayside DD1 9SY, Scotland, UK.

Surgical Endoscopy
|October 1, 1996
PubMed
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A new tool, the Dundee Endoscopic Psychomotor Tester (DEPT), objectively measures psychomotor skills for minimal access surgery (MAS). It reliably identifies individuals struggling with endoscopic visualization and manipulation.

Area of Science:

  • Surgical Education
  • Medical Device Development
  • Human Factors Engineering

Background:

  • Limited data exists on psychomotor performance in minimal access surgery (MAS).
  • Assessing the psychomotor skills crucial for MAS is essential for surgical training and patient safety.

Purpose of the Study:

  • To develop and validate a novel tool for objectively assessing psychomotor performance in the context of MAS.
  • To evaluate the accuracy and reliability of the developed psychomotor tester.

Main Methods:

  • Development of a microprocessor-controlled endoscopic psychomotor tester: the Dundee Endoscopic Psychomotor Tester (DEPT).
  • Testing the DEPT's accuracy and reliability on 20 medical undergraduates.
  • Utilizing real-time scoring for objective performance evaluation.

Related Experiment Videos

Main Results:

  • The DEPT demonstrated significant inter-subject variability in psychomotor performance (p < 0.01).
  • Three individuals exhibited a high number of errors (16, 22, and 40), while 85% of participants made fewer errors, with a median of 4.5.
  • The study confirmed the tester's ability to differentiate performance levels.

Conclusions:

  • The Dundee Endoscopic Psychomotor Tester (DEPT) offers a standardized, reproducible, and objective method for real-time scoring of psychomotor skills.
  • DEPT can effectively identify individuals who have difficulty adapting to endoscopic viewing and manipulating instruments based on endoscopic images.
  • This tool has implications for surgical training and competency assessment in minimal access surgery.