| http://www.w3.org/ns/prov#value | - To this end, the subject of the invention in the first instance is a device for draining biological fluids, characterized in that it comprises a housing with walls and a pinch valve comprising pinching means, the said valve being mounted in the housing, away from the said walls, the said housing including an opening arranged opposite the pinching means, means also being provided to engage a cathet
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