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Traditional flexible ureterorenoscopy (fURS) is a mainstay for treating kidney stones. However, the procedure often leaves urologists with significant neck, back, and wrist strain due to awkward postures and repetitive movements. Consequently, medical engineers have introduced the EasyFlex system to provide fURS ergonomic improvement. This novel system includes a specialized endoscopy chair and a manipulation apparatus designed to stabilize the endoscope while supporting the surgeon.
A recent prospective comparative study evaluated the functionality of the EasyFlex apparatus. Five expert urologists tested the system across three different medical centers. Researchers compared the surgical and ergonomic outcomes of the EasyFlex chair against traditional manual fURS methods. They utilized the Ergomini scale to objectively assess musculoskeletal discomfort during kidney stone procedures. Therefore, the study provided a clear benchmark for evaluating surgeon fatigue and physical load.
The results of the evaluation demonstrated that the EasyFlex system offers a superior surgical environment. Surgeons reported significantly lower ergonomic discomfort scores when using the EasyFlex system compared to traditional procedures. Specifically, the total ergonomic scores dropped from 37.6 in traditional fURS to just 12.6 with the new apparatus. Moreover, the study found no significant difference in the total surgery time between the two methods. This suggests that achieving fURS ergonomic improvement does not compromise procedural efficiency.
Enhancing ergonomics is vital for the long-term health of endourologists. Many practitioners suffer from work-related musculoskeletal disorders that can shorten their clinical careers. By integrating tools like the EasyFlex, hospitals can improve surgeon well-being and potentially enhance focus during complex cases. Furthermore, as the prevalence of urolithiasis increases globally, such innovations will be essential for maintaining a sustainable urological workforce.
The primary benefit is a significant reduction in physical discomfort for the surgeon. By using a specialized chair and a manipulation apparatus, the system stabilizes the endoscope and encourages a more neutral body posture.
No, the clinical study indicated that there was no significant difference in total surgery time when comparing the EasyFlex system to traditional manual flexible ureterorenoscopy.
Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice or a substitute for professional healthcare consultation. Refer to the latest local and national guidelines for clinical practice.
References
Toksoz S et al. Prospective comparative validation of a novel endoscopy chair and endoscope manipulation apparatus (EasyFlex) for ergonomic improvement in fURS procedures. BMC Urol. 2026 May 29. doi: 10.1186/s12894-026-02200-7. PMID: 42216216.
Argun B et al. Ergonomics and Surgeon Comfort During Flexible Ureteroscopy. Arab J Urol. 2021;19(3):351-356.
Matsuzaki I et al. Sit-stand endoscopic workstations equipped with a wearable chair. VideoGIE. 2019;4(11):511-513.
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