Sheath for endoscope

Details Sheath for endoscope Sheath for endoscope

A - Human Necessities

61

B

A61B 1/00 (2006.01) A61B 19/02 (2006.01)

Patent

CA 2071420

The sheath for endoscope includes a tubular sleeve portion and a lens cover portion at one end of the tubular sleeve portion. The lens cover portion is of a predetermined thickness that minimizes light reflection onto the field of view of the endoscope. The sheath thus provides optimum visual acuity when used with the endoscope. The lens cover portion can include an anti-fogging ingredient to minimize condensation or congregation of fluids during examination. In several embodiments of the invention the sheath is rigid and in other embodiments of the invention the sheath is flexible. In any of the embodiments the lens cover portion can be joined to the inside, outside or end of the tubular sleeve. The lens cover portion can be formed with a cap section that is oriented at a selected predetermined angle with respect to a central axis. The sheath can have one or more reduced diameter sections to prevent relative slippage between the sleeve and the barrel of the endoscope. The sheath can also be incorporated in a cover for covering the entire endoscope. The cover includes a drape portion that covers the main body portion of the endoscope and the sheath is detachably joinable to the drape portion or can be integrally joined thereto.

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