Abstract: Embodiments of the present invention provide water bottle cap assemblies suitable for attachment to an endoscopic device and a water source. The water bottle cap assembly can include a plurality of ports and an engageable member to sealingly engage the cap with a water source. The assembly also includes a plurality of tubular members, each tubular member coupled to a respective port so as to be in fluid communication therewith. The assembly can include a cap having a grippable surface that is overmolded onto the cap. The cap can also have a soft inner seal on the interior surface, and the soft inner seal can be integrally formed with the overmolded grippable surface. The cap can have a top that is pressfit onto the main portion of the cap. The grippable surface material can be overmolded over the top of the cap.

Abstract: The present subject matter provides a water bottle cap assembly, a water bottle cap, and two adapters for endoscopic devices. The cap assembly includes a cap with an annular sealing platform and a sealing ring, a multi-channel passage member, and a channel connector. The adapter includes a molded retention. Another adapter includes a cage grip.