Pentax medical became aware of a report for an event which occurred in the usa stating, "cannot pass accessory to inlet port - cannot pass cleaning brush in biopsy channel" involving pentax model vsb-3430k/serial (b)(4).No further information was provided at the time of the report.The device was returned to pentax.Pentax service inspectional findings included: check valve stuck inside biopsy inlet t-piece, umbilical cable bump at pve side, passed dry leak test, passed wet leak test, ground terminal fail biopsy inlet continuity test.Pentax has made 3 good faith effort attempt to collect additional information from the facility.No further information has been received to date.Repairs were performed on the device which included replacement of the following components: bending rubber, adjusting collar, ud pulley assy, rl pulley assy, angle guide, o-rings and seals.The device was shipped back to the facility on 07/15/2021.
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