Models, kits and methods useful in the demonstration of sialendoscopy devices and techniques are described. An exemplary demonstration apparatus comprises a support structure, an insert structure contacting the support structure, and a duct structure contacting the insert structure. The insert structure has a top surface defining a first opening and a bottom surface defining a second opening, and defines a channel with a first end in communication with the first opening and a second end in communication with the second opening. The duct structure comprises an elongate tubular member and has a first end in fluid communication with the first opening of the insert member, a second end, and defines a lumen extending from the first end to the second end. A portion of the duct structure is releasably disposed within the channel defined by the insert structure.
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