Catheters prepared in-house are of the following materials: Tygon, Silicone, Polyethylene, Polyurethane, and combinations of the aforementioned materials. Diameter and length are dependent on animal species, animal size, and the vessel or organ receiving the catheter. All catheters must be sterilized via cold chemical sterilant, steam sterilization (autoclave), or ethylene oxide (EO) sterilization prior to installation.

Commercial suppliers of catheters include: Access Technologies®, SAI®, Instech®, and ReCathco®. These companies provide harnesses, ports, and specialized catheters. All materials must be sterilized by the vendor or by methods described above.

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