Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 5, 2013
Patent Application Number
11507424
Date Filed
August 21, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A first bendable section which can be bent in an arbitrary direction and a second bendable section which can be bent in the bending direction of this first bendable section are provided at the tip end side of an insertion portion. A balloon which is inflated/contracted by feed/discharge of a fluid is provided in this second bendable section so that hardness of this second bendable section can be varied and insertion work into a curved portion is facilitated.
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