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Related Experiment Video

Updated: Jan 15, 2026

Nondestructive Monitoring of Degradable Scaffold-Based Tissue-Engineered Blood Vessel Development Using Optical Coherence Tomography

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Multi-Center Evaluation of Optical Degradation Patterns in Rigid Endoscopes: A Data-Driven Approach.

Herke Jan Noordmans¹, Menno de Braak², Marco J Brakel¹

¹Department of Medical Technology and Clinical Physics, University Medical Center Utrecht, Utrecht, the Netherlands.

Medical Devices (Auckland, N.Z.)

|October 15, 2025

Summary

ScopeControl data reveals repaired endoscopes have lower optical quality and lifespan than new ones. Regular checks and integrated data are crucial for optimizing endoscope maintenance and longevity.

Keywords:

data-driven healthcare medical device quality control optical quality assessment predictive maintenance repair versus replacement rigid endoscopes

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Area of Science:

Medical device quality control
Surgical instrument maintenance
Optical engineering

Background:

Rigid endoscopes are critical surgical tools.
Maintaining endoscope optical quality is essential for patient safety and procedure effectiveness.
The ScopeControl system provides objective optical quality measurements.

Purpose of the Study:

To analyze ScopeControl data to evaluate hospital strategies for endoscope management.
To compare the performance and longevity of new versus repaired endoscopes.
To identify factors influencing endoscope failure and inform maintenance strategies.

Main Methods:

Analysis of 500,000 measurements from 95 global ScopeControl devices.
Inclusion of repair and surgical usage data from UMC Utrecht.
Custom software used for data filtering and trend parameter calculation (initial/average quality, quality decrease, time to failure).

Main Results:

Significant variations in endoscope lifespan (15-400 usages) and quality were observed.
Repaired endoscopes showed a 30% shorter median lifespan and 11% lower median light transmission than new ones.
Sudden failures, often due to lens damage, were common; entry measurements are recommended due to quality variability.

Conclusions:

ScopeControl facilitates objective endoscope quality assessment and data-driven repair/replacement decisions.
Repaired endoscopes generally exhibit inferior optical quality and longevity compared to new instruments.
Further data collection and improved repair processes are needed to optimize endoscope maintenance and extend device lifespan.