Distal end cover and endoscope
AssigneeOlympus Medical System Corp.
InventorsTakahiro SUMI, Fumitoshi Hayakawa
Life of this patent
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Abstract
A distal end cover includes a cover body having a cylindrical shape. The cover body includes first and second body portions, a first opening formed in the first body portion and the second body portion, a second opening that can receive a distal end portion of an insertion portion of an endoscope and is formed on a side opposite to the first body portion with respect to the second body portion, a third opening provided in the second body portion and included in the first opening, a fourth opening provided in the first body portion and included in the first opening, and a first periphery portion forming one side of the fourth opening. The first periphery portion is a side farthest from the third opening than other sides of the fourth opening.
Claims7
A distal end cover comprising:
- a cover body having a bottomed cylindrical shape, the cover body including a first body portion and a second body portion forming a cylindrical peripheral surface;
- a first opening formed in the first body portion and the second body portion;
- a second opening formed on a side opposite to the first body portion with respect to the second body portion, the second opening being configured to receive a distal end portion of an insertion portion of an endoscope;
- a longitudinal axis being parallel or coincident with a longitudinal axis of the insertion portion in a state in which the distal end cover is mounted on the insertion portion;
- a third opening provided in the second body portion and included in the first opening;
- a fourth opening provided in the first body portion, included in the first opening, and formed in a rectangular shape;
- and
- a first periphery portion forming one side of the fourth opening, wherein
- the first periphery portion is a side farthest from the third opening than other sides of the fourth opening.
An endoscope comprising:
- an insertion portion having a longitudinal axis and configured to be inserted into a subject;
- a distal end portion provided at a distal end of the insertion portion;
- and
- a distal end cover detachably mounted on the distal end portion, wherein the distal end cover includes:
- a cover body having a bottomed cylindrical shape, the cover body including a first body portion and a second body portion forming a cylindrical peripheral surface;
- a first opening formed in the first body portion and the second body portion;
- a second opening formed on a side opposite to the first body portion with respect to the second body portion, the second opening being configured to receive the distal end portion;
- a longitudinal axis being parallel to or coincident with the longitudinal axis of the insertion portion in a state in which the distal end cover is mounted on the insertion portion;
- a third opening provided in the second body portion and included in the first opening;
- a fourth opening provided in the first body portion, included in the first opening, and formed in a rectangular shape;
- and
- a first periphery portion forming one side of the fourth opening, and
- the first periphery portion is a side farthest from the third opening than other sides of the fourth opening.
Dependencies are inferred from the claim text.