A single-use fluid conduit module 410 suitable for attaching a receptacle 412 holding a fluid such as sterile water or detergent to an endoscope. The module comprises first and second ports 414, 416 to connect to the air and water lines of an endoscope respectively, a connector 99 to attach the receptacle to the module, and first and second fluid flow paths between the ports and the connector such that they provide fluid communication between the endoscope and a connected receptacle. The single-use feature prevents reuse of the module by replacement of the first attached receptacle or through refilling via flow paths. The single use feature may comprise a weakened part that will rupture the module if the receptacle is detached from the connector. The connector may comprise a screw thread and ratchet to irreversibly secure the receptacle. The receptacle may comprise a flexible pouch.
