Tjf 160f

In order to assess the potential of high-level disinfection activity of PAW and its impact on duodenoscope resin surfaces, we selected a duodenoscope (TJF-160F; Olympus Corporation, Tokyo, Japan) from a high-volume tertiary hospital that was previously used in up to 500 ERCP and duodenoscopy procedures between 2012 and 2014. The model of duodenoscope we selected for our study has been successfully and extensively used around the world in numerous high-volume centers in the same period, and is regarded as one of the best operating duodenoscopes available on the market. It was dismantled, and samples from the outer resin polymer coating measuring 1 cm² each were taken for analysis.
We performed two types of experiments: one for the evaluation of the disinfectant properties of PAW in biomimetic conditions and one for the evaluation of PAW compatibility with duodenoscope polymer resins.

All procedures were performed using a standard side-viewing duodenoscope (JF-260F or TJF-160F; Olympus, Tokyo, Japan) in an endoscopy room without radiocontrast cholangiogram. After cannulation with a 0.035-inch-diameter guidewire (Jag-wire; Boston Scientific, Natick, MA, USA), the “bile aspiration” technique or checking of the guidewire direction on fluoroscopy were used to indicate bile duct cannulation.3 (link) Some patients in who there was difficultly accessing the bile duct underwent infundibulotomy or a precutting method on the ampulla using a needle knife (Microknife XL; Boston Scientific). A 2.0-mm-diameter IDUS probe with a frequency of 20-MHz (UM-G20-29R; Olympus) was advanced over a guidewire into the bile duct. IDUS scanning was performed while inserting the IDUS probe from the papilla of Vater (POV) to the confluent portion of the common bile duct (CBD) over the guidewire. Stones, biliary stricture, and in-growing or out-growing masses were revealed by IDUS (Fig. 1).