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US 2016/0249792 A1Published application
Endoscope
AssigneeOlympus Corporation
InventorTomoaki OGAWA
Life of this patent
Estimating the term…
Abstract
An endoscope includes an insertion portion; an operation portion; a balloon injection channel; a first opening portion; a balloon pipe sleeve provided with a first end portion and a second end portion; a branch channel connection unit; a rotation restriction portion; and a connecting tube on which the branch channel connection unit is assembled.
Claims4
An endoscope comprising:
- an insertion portion inserted into a subject;
- an operation portion connected to a proximal end side of the insertion portion;
- a main channel configured to be tubular and placed in the insertion portion;
- a first opening portion formed at a proximal end of the main channel on a side of the operation portion;
- a branch channel provided with a first end portion and a second end portion, where the second end portion opens outside the operation portion;
- a branch channel connection unit connected so as to be communicated with the first opening portion of the main channel and the first end portion of the branch channel;
- a rotation restriction portion provided on the branch channel connection unit;
- and
- a connecting tube which is fitted in the rotation restriction portion and fixed to the operation portion, and on which the branch channel connection unit is assembled.
6 more elements
Dependencies are inferred from the claim text.