Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kouhei Watanabe0
Hideto Nagata0
Date of Patent
July 3, 2018
Patent Application Number
14705646
Date Filed
May 6, 2015
Patent Citations Received
0
...
Patent Primary Examiner
Patent abstract
A shaft of a catheter is disclosed, the shaft has a thin portion, which constitutes a distal side of the shaft, a thick portion which is provided further on a proximal side than the thin portion, and a tapered portion which is provided between the thin portion and the thick portion. The tapered portion is formed more flexibly than the thick portion. The thick portion has a first thick portion and a second thick portion which is provided between the tapered portion and the first thick portion. The second thick portion has a smaller outer diameter than the outer diameter of a proximal end of the tapered portion and the outer diameter of the first thick portion, and is formed more flexibly than the first thick portion.
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