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News

Slide-On EndoSheath barrier system offers alternative endoscope decontamination

Medtronic : 28 June, 2007  (New Product)
A hundred flexible endoscopes using the Slide-On EndoSheath sterile barrier system distributed by Medtronic have been evaluated for sheath integrity and bacterial contamination after they have been use in patients.
Results of the clinical study were presented on 27 June 2007 at the annual meeting of the Association for Professionals in Infection control and Epidemiology (APIC) and suggested a sterile barrier sheath system may eliminate the need for nasendoscope high level disinfection.

The study was conducted at an ambulatory ENT clinic using standard 30cm flexible nasopharyngoscopes.

Each patient ready scope was cultured:

- Prior to its use for a baseline contamination of insertion tube and control head.
- After use and removal of the sheath.
- Post reprocessing.

Immediately after use the barrier sheaths were removed and leak tested to confirm that there were no tears or holes created during use.

An additional 20 unused sterile barrier sheaths were also leak tested to assess the possibility of pre-use leaks.

All leak testing results showed no failures.

The study showed that following use of the sterile EndoSheath and an enzymatic detergent cleaning and ethanol disinfection procedure, the scopes were negative for any bacterial presence.

'In our study results, the nasendoscopes fitted with the sterile EndoSheath system in combination with thorough post-use enzymatic detergent cleaning followed by a 70 percent ethanol wipe, provided a patient ready instrument equivalent to high level disinfection', stated Carla J Alvarado, PhD, a research scientist in Human Factors Engineering at the Center for Quality and Productivity Improvement, University of Wisconsin-Madison and lead researcher on the study.

'In this particular use environment, it provides an alternative to chemicals requiring more time and labour intensive processes'.

Alvarado received the APIC sponsored 2007 William A Rutala Award on 25 June 2007, for her abstract.

The award is given to an APIC member whose abstract most closely reflects the excellence demonstrated by William A Rutala, a world renowned expert in disinfection, sterilisation and antisepsis.
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