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I am trying to make sense of the original post while stipulating that the claim about it not being harmful is true. Assuming only sterile fecal matter is left on the device, how does having an appointment the next day help?

He seems to be suggesting that the fecal matter can be avoided by a gap of 16 hours versus a gap of (say) 30 minutes. I'm at a loss for the mechanism by which this might occur.

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I work on the video side of things and know nothing about the mech eng part. What I can tell you is that during the day there is definitely fecal matter in the scope one case to another during the day after after autoclave and sterilization. The first case of the day, the scope is clean. I don't know what's different about overnight processing in the sterile processing department. And I've seen this at many hospitals. There's been some startups that have tried sheaths to cover the scope but could not make it work.

The difference you cite between the per-patient and daily cleaning, disgusts any human who learns of it. The only studies showing that sort-of clean scopes are safe were funded by the scope manufacturers. This is problematic.

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