ArticleInternational journal of computer assisted radiology and surgery2026
Improving hand-eye-coordination in laparoscopy using a virtual endoscope monitor.
Article in International journal of computer assisted radiology and surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeWhile laparoscopic procedures offer considerable advantages for the patient, they pose substantial challenges for the surgeon, whose hand-eye coordination is impaired. One reason for this is the surgeon's lost visual access to the surgical field, who is instead provided with an endoscopic image on a stationary monitor. In the present study, an optical see-through head-mounted display (OST-HMD) was used to display a virtual endoscope monitor. Unlike stationary monitors, this allows the endoscope image to be projected at arbitrary positions in the room.
methodsThe benefits of this approach were evaluated in a user study. N = 10 surgeons carried out a threading task in a pelvic trainer integrated in an operating room setup. Four positions of the endoscope image were compared: frontal view (
resultsThe results show that for complex bimanual tasks, projecting the endoscope image onto the surgical field led to a halving of execution times in the study. In addition, the forces applied during threading were measured, but no significant effects of perspective were found. More experienced surgeons also reported significantly lower mental workload with the frontal view (
conclusionThis study provides first evidence that an OST-HMD could be a suitable way for flexibly displaying endoscopic images in laparoscopy and could help improve the surgeon's hand-eye coordination, while at the same time being easily integrated into the clinical environment.
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