Title:
分岐管
Document Type and Number:
Japanese Patent JP6839410
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a branch pipe in which the tip is connected to a tubular member, one of passages becomes an insertion passage of an introduced object, and which can easily incorporate the introduced object without damaging the introduced object at the time of insertion from the branch pipe to the tubular member even if the introduced object is a long, linear and delicate object such as one optical fiber.SOLUTION: A branch pipe which has a connection part with a tubular member on a tube tip part 11 (distal end) and in which a main tube passage 10 and a side tube passage 20 are formed by branching a lumen toward a proximal side in the middle of the lumen is configured so that a corner part is not provided by giving roundness to a transition part whose inner diameter is formed to be smaller toward the distal side from a branch part 14 with the side tube passage of the main tube passage and toward the distal side, and an intersection point 150 between the extension line of a central axis 15 of the side tube passage and an inner peripheral surface of the main tube passage is formed so as to be located on the inner peripheral surface of a straight part 131 where the inner diameter of the main tube passage is constant.SELECTED DRAWING: Figure 2
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Inventors:
Nakazawa Takaki
Application Number:
JP2016205645A
Publication Date:
March 10, 2021
Filing Date:
October 20, 2016
Export Citation:
Assignee:
Hakko Co., Ltd.
International Classes:
A61B1/018
Domestic Patent References:
| JP2005261760A | ||||
| JP2002219096A | ||||
| JP2005323683A | ||||
| JP3231624A | ||||
| JP2000312719A | ||||
| JP2005021288A | ||||
| JP11047083A | ||||
| JP58103012U |
Foreign References:
| US20140180034 |