CORIS®: An innovative automated endoscope channel cleaner
Replaces manual cleaning of channels by delivering a physical cleaning agent to all endoscope channels.
CORIS is an automated endoscope channel cleaner that replaces the manual cleaning of the internal surfaces of channels and ports of flexible endoscopes with a validated, reliable and repeatable cleaning process.
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How The CORIS system works?
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Proprietary micro-brushing technology
CORIS uses proprietary micro-brushing technology that has been specifically developed to mimic the physical action of brushing, and delivers , including those that are unreachable with a manual brush today. The fully automated CORIS cycle propels precise doses of CORIS QUANTUM®, anon-toxic granular cleaning agent, combined with air and water through all the channels, lifting soils and even the toughest biofilm from all their internal surfaces, leaving them clean.
Removing Tough Biofilm
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CORIS through its novel mode of action is able to remove tough biofilm from endoscope channels, the type of biofilm that grows over repeated days of wetting and drying that endoscopes are exposed to via the reprocessing cycle1
Biofilms are communities of microbes that attach to surfaces, creating a protective structure that can be resistant to detergents, drying, and other stresses.2
Biofilms can form in all endoscope channels, but narrow channels are particularly susceptible.3,4 These channels are not able to be brushed during manual cleaning, biofilm to proliferate in them despite reprocessing
Multiple cycles of reprocessing and drying can tougher form of biofilm that can be more difficult to remove.5, 6
Comparison of 3.7mm PTFE tube (to simulate suction biopsy channel) without biofilm (left) and with biofilm (right). 1000X magnification.
Biofilm found in endoscopes in clinical use is often fixed to the surface from repeated cycles of HLD and drying, meaning mechanical action is critical for its removal.5
More information about Biofilms: Nanosonics | Biofilm | Nanosonics
Features At-A-Glance
The CORIS System has been validated to replace manual cleaning of endoscope channels and granted De Novo request by the FDA. Results from simulated-use testing show that the CORIS system removes CTS and cATS* simulated-use soils from endoscopes reducing residuals below cleaning acceptance criteria defined in ISO15883-5 2021 and AAMI ST98:2022 **.7
The CORIS System has been designed to remove Cyclic build-up biofilm as its baseline, going beyond traditional, easy to remove biofilm models.
In a peer reviewed study, the CORIS Automated Endoscope Channel Cleaner (AECC) technology was significantly more effective at removing tough Cyclic build-up biofilm from simulated Suction Biopsy and Air/Water channels than manual cleaning with full manufacturer Instruction for Use (IFU) adherence.1
The cleaning agent used by CORIS, it is a non-toxic compound consisting of fine, water-soluble particles that provide physical cleaning without damaging the endoscope. 8
A validated self-disinfection process maintains the integrity of the internal fluidic path of the CORIS Device ensuring it is not a reservoir for microorganism growth and cross contamination. Once set-up, the cycle is a hands-off process allowing decontamination staff to conduct other tasks.
1. Moshkanbaryans L, Shah V, Tan LY, et al. Comparison of two endoscope channel cleaning approaches to remove cyclic build-up biofilm. J Hosp Infect. 2024;150:91-95. doi:10.1016/j.jhin.2024.05.014
2. Roberts CG. The role of biofilms in reprocessing medical devices. Am J Infect Control. 2013 May;41(5 Suppl):S77-80. doi: 10.1016/j.ajic.2012.12.008.
3. Kovaleva J Infectious complications in gastrointestinal endoscopy and their prevention. Best Pract Res Clin Gastroenterol. 2016 Oct;30(5):689-704.
4. Ren-Pei et al. Correlation between the growth of bacterial biofilm in flexible endoscopes and endoscope reprocessing methods. Am J Infect Control. 2014 Nov;42(11):1203-6.
5. Ribeiro MM, Graziano KU, Olson N, França R, Alfa MJ. The polytetrafluoroethylene (PTFE) channel model of cyclic-buildup biofilm and traditional biofilm: The impact of friction, and detergent on cleaning and subsequent high-level disinfection. Infect Control Hosp Epidemiol. 2020; 41(2):172-180.
6. Qiu L, Zhou Z, Liu Q, Ni Y, Zhao F, Cheng H. Investigating the failure of repeated standard cleaning and disinfection of a Pseudomonas aeruginosa-infected pancreatic and biliary endoscope. Am J Infect Control 2015;43:e43–e46
7. Simulated Use Testing Data on File
8. CL528
9. Ofstead, C. L., Hopkins, K. M., Smart, A. G. & Brewer, M. K. Droplet dispersal in decontamination areas of instrument reprocessing suites. Am J Infect Control 50, 126–132 (2022).
10. Data on file – CL536
11. Data on file - CL535
* CTS = Combination Test Soil and cATS = Artificial Test soil with 20% coagulated blood.
** ISO 15883-5:2021. Washer-disinfectors - Part 5: Performance requirements and test method criteria for demonstrating cleaning efficacy. International Organization for Standardization; 2021. AAMI ST98:2022. Cleaning and Sterilization of Medical Devices. Association for the Advancement of Medical Instrumentation; 2022.
