Catheter
AssigneeAsahi Intecc Co., Ltd.
InventorsKizuku KUNIYASU, Tomoya SAWATA, Fumiyoshi OSHIMA, Yuta NAKAGAWA, Toshihiko TSUKAMOTO
Life of this patent
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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, and a core wire. The mesh member has a tubular shape and is radially expandable and contractable. The guiding film is formed with a stretchable material and is 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 thickness of a base end of the guiding film is larger than a thickness of the front end of the guiding film.
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 formed with a stretchable material and 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;
- 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, the core wire extending inside the mesh member and inside the first hollow shaft so that a base end of the core wire is positioned at a base end side of the catheter relative to a base end of the first hollow shaft,
- wherein a thickness of a base end of the guiding film is larger than a thickness of the front end of the guiding film.
Dependencies are inferred from the claim text.