Patent ID: 11877726
Assignee: FUJIFILM CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A

Claim 4:
5. An endoscope aid to be attachably and detachably attached to a treatment tool insertion channel of an endoscope where a suction tube joins, the endoscope aid comprising:
a flexible tubular member having a length equal to or larger than a length ranging from at least an inlet-side end part of an outlet portion of the treatment tool insertion channel, which is maintained in a shape of a straight pipe regardless of bending of a bending part of the endoscope, to an inlet of the treatment tool insertion channel,
wherein the tubular member includes
a distal end part that has an outer periphery in sliding contact with an inner peripheral surface of the outlet portion of the treatment tool insertion channel and is disposed at the outlet portion, and
a communication part that allows an outlet of the treatment tool insertion channel and the suction tube to communicate with each other;
wherein the communication part has a plurality of cutouts that penetrate the tubular member from an inner peripheral surface of the tubular member to an outer peripheral surface thereof,
wherein the tubular member has an intermediate part disposed at a joining part where the treatment tool insertion channel and the suction tube join each other, and
wherein the plurality of cutouts are provided at the intermediate part of the tubular member, and
a maximum dimension of each of the plurality of cutouts is less than an internal diameter of the tubular member.