| 摘要 |
PROBLEM TO BE SOLVED: To make the diameter of a finger sack member smaller, and miniaturize an endoscopic device to be fitted on a finger by forming the finger sack member of the endoscopic device to be fitted on a finger into an approximately cylindrical shape, and forming an opening in the axial direction at one section of the cylindrical finger sack member, and at the same time, providing an intermediate opening which is formed to be larger than the front end section and the rear end section of the opening of the cylindrical finger sack member. SOLUTION: The finger sack member 22 of this endoscopic device 10 to be fitted on a finger is constituted of a first holding section 22B, a connecting section 22C, and a second holding section 22D. The first holding section 22B is formed at a location wherein a finger from a first joint 12B to the finger tip is held, and at the same time, formed into a shape having a cross section of an approximate C-shape. The second holding section 22D is formed at a location wherein the finger from the first joint 12B to a second joint is held, and at the same time, formed into a shape having a cross section of an approximate C-shape. The connecting section 22C connects the first holding section 22B and the second holding section 22D, and at the same time, a void section 23C is formed so that the first joint 12B can be freely bent.
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