Provided herein is a disinfecting device, including a housing having a proximal end, a distal end having an opening therein, and a sidewall therebetween defining an interior in fluid communication with the opening, one or more flanges arranged at the distal end of the housing, and a disinfecting solution received within the interior, wherein the sidewall includes a deformable portion adjacent the distal end.

A channel for an endoscope comprises a tube made of polytetrafluoroethylene (PTFE) having at least one additive. The at least one additive includes a carrier that contains silver ions and is incorporated within a wall of the tube, and a content of silver ions in the tube is at least 0.0005% by weight of the tube.