Catheter
AssigneeAsahi Intecc Co., Ltd.
InventorsYuta NAKAGAWA, Tomoya SAWATA, Kizuku KUNIYASU, Fumiyoshi OSHIMA, Toshihiko TSUKAMOTO
Life of this patent
Estimating the term…
Abstract
A catheter according to an embodiment of the present disclosure includes a mesh member, a first hollow shaft, a front end tip, a guiding film, a second hollow shaft, and a core wire. The mesh member has a tubular shape and is radially expandable and contractable. The guiding film is disposed on the mesh member and has a front end located between a base end of the front end tip and a front end of the first hollow shaft. A thickness of the front end of the guiding film is larger than a thickness of a portion where a thickness of the guiding film is the smallest.
Claims7
A catheter comprising:
- a mesh member having a tubular shape and being radially expandable and contractable;
- a first hollow shaft connected to a base end of the mesh member;
- a front end tip connected to a front end of the mesh member;
- a guiding film disposed on the mesh member, the guiding film having a front end located between a base end of the front end tip and a front end of the first hollow shaft;
- a second hollow shaft connected to the front end tip and disposed so as to protrude in a space inside the mesh member toward a base end side of the catheter;
- and
- a core wire having a front end connected to the front end of the mesh member and/or connected to the front end tip and extending inside the mesh member and inside the first hollow shaft so that a base end of the core wire is positioned at the base end side relative to a base end of the first hollow shaft,
- wherein a thickness of the front end of the guiding film is larger than a thickness of a portion where a thickness of the guiding film is the smallest.
Dependencies are inferred from the claim text.