OLYMPUS MB-358 Set of biopsy Valves BRAND NEW The Olympus MB-358 is a semi-disposable biopsy valve used on Olympus gastrointestinal endoscopes. Its main functions are: Allowing the introduction of biopsy forceps and other instruments into the endoscope’s working channel Maintaining sealing and fluid tightness during endoscopic procedures Minimizing leakage of air, water, and biological material It is part of the standard accessory set for diagnostic and therapeutic GI endoscopy. Key Features Semi-disposable biopsy valve Compatible with many Olympus gastroscopes, colonoscopes, and duodenoscopes Ensures tight sealing around instruments entering the biopsy channel Designed for repeated cleaning and disinfection (reusable) Must be visually checked before use (cracks, deformation, worn seals) Typical Applications Routine GI endoscopy Biopsy sampling Polypectomy and therapeutic procedures requiring tool insertion Any situation where maintaining channel pressure is necessary Maintenance / Reprocessing Must be cleaned and disinfected according to Olympus reprocessing guidelines Internal and external surfaces must be treated just like endoscope accessories Should be replaced if the valve shows wear or loss of elasticity