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" ... If you find a way to apply one-use disposable materials, then yes. Few are aware that upper endoscopy can be performed with a specially-made, single use, disposable, and inexpensive sheath, which completely covers part of the scope that goes inside the body, so no portion of the instrument ever touches the patient. The endosheath, while theoretically simple, is actually a very sophisticated piece of equipment as it has a lens that precisely covers the lens of the camera tip, so image preservation is seamlessly maintained. This is the safest, most sterile way to conduct an endoscopy. ... "