Related Experiment Video
Updated: Apr 11, 2026

Author Spotlight: Recent Advancements in Reoperative Foregut Surgery
Published on: September 22, 2023
Disposable-sheath, flexible gastroscope system versus standard gastroscopes: a prospective, randomized trial
B Mayinger1, M Strenkert, J Hochberger
1Department of Medicine I, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany. mayinger@med1.med.uni-erlangen.de
A novel disposable endoscope sheath significantly reduces reprocessing time and increases procedure rates, offering potential safety benefits. This innovation streamlines endoscope use and improves efficiency in clinical settings.
Area of Science:
- Gastroenterology
- Infectious Disease Prevention
- Medical Device Innovation
Background:
- Inadequate endoscope disinfection can lead to rare but serious infections.
- A new disposable sheath design aims to prevent contamination of flexible fiberoptic endoscopes.
- This study compares the new sheathed system to standard endoscopes regarding function and hygiene.
Purpose of the Study:
- To evaluate the function, reprocessing, and hygienic status of a novel disposable endoscope sheath system.
- To compare the performance and efficiency of the sheathed endoscope system against standard endoscopes.
- To assess the potential impact of the disposable sheath on infection control and workflow.
Main Methods:
- A prospective, randomized trial involving 100 upper endoscopic procedures (50 standard, 50 sheathed).
- Evaluation of endoscopic performance and reprocessing using analog rating scales.
- Recording of procedure duration, setup/reprocessing times, instrument downtime, and procedural issues; microbiologic swabs were collected.
Main Results:
- The sheathed system had a slightly longer mean procedure duration (9.9 vs. 8.4 min).
- Significantly shorter setup and reprocessing times were observed with the sheathed endoscope (8.9 vs. 48.4 min).
- The disposable-sheath system increased the procedure performance rate up to threefold; no sheath leakage or rupture occurred.
Conclusions:
- The disposable endoscope sheath system demonstrates significant advantages in reducing instrument turn-around time.
- The system offers potential improvements in patient safety by minimizing contamination risks.
- While endoscopists preferred the standard endoscope, the sheathed system enhances workflow efficiency.
Related Concept Videos
Endoscopic Studies I: Bronchoscopy and Thoracoscopy
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
Ultrasound II: Endoscopic Ultrasound and FibroScan
Endoscopic Ultrasound (EUS):
Endoscopic Procedures I: Esophagogastroduodenoscopy
During an EGD, the endoscope can be used to:
Endoscopic Procedures II: Colonoscopy
Endoscopic Procedures III: Video Capsule Endoscopy
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...

