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US 2021/0068618 A1Published application
Insertion instrument, endoscope
AssigneeOlympus Corporation
InventorKimihiko NAITO
Life of this patent
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Abstract
An insertion instrument includes an insertion portion, a tubular member that rotates about a longitudinal axis by a transmitted driving force, a flange portion that holds a position of the tubular member at an outer periphery of the insertion portion, a tapered portion having an outer diameter that gradually decreases toward a proximal end side, and an adhesive layer formed to smoothly connect a proximal end portion of the tapered portion and an outer periphery of the insertion portion.
Claims6
An insertion instrument comprising:
- an insertion portion extending along a longitudinal axis;
- a tubular member formed in a tubular shape along the longitudinal axis in the insertion portion, the tubular member being configured to rotate about the longitudinal axis by a transmitted driving force;
- a flange portion that holds a position of the tubular member in a direction of the longitudinal axis at an outer periphery of the insertion portion;
- a tapered portion provided on a proximal end side of the flange portion in the direction of the longitudinal axis, an outer diameter of the tapered portion gradually decreasing toward the proximal end side;
- and
- an adhesive layer formed to smoothly connect a proximal end portion of the tapered portion and an outer periphery of the insertion portion.
3 more elements
An insertion instrument comprising:
- an insertion portion extending along a longitudinal axis;
- a flange portion that holds a position of a tubular member in a direction of the longitudinal axis at an outer periphery of the insertion portion when the tubular member is mounted on the insertion portion, the tubular member being formed in a tubular shape along the longitudinal axis in the insertion portion and being configured to rotate about the longitudinal axis by a transmitted driving force;
- a tapered portion provided on a proximal end side of the flange portion in the direction of the longitudinal axis, an outer diameter of the tapered portion gradually decreasing toward the proximal end side;
- and
- an adhesive layer formed to smoothly connect a proximal end portion of the tapered portion and an outer periphery of the insertion portion.
2 more elements
An endoscope comprising:
- an insertion portion extending along a longitudinal axis;
- a tubular member formed in a tubular shape along the longitudinal axis in the insertion portion, the tubular member being configured to rotate about the longitudinal axis by a transmitted driving force;
- a flange portion that holds a position of the tubular member in a direction of the longitudinal axis at an outer periphery of the insertion portion;
- a tapered portion provided on a proximal end side of the flange portion in the direction of the longitudinal axis, an outer diameter of the tapered portion gradually decreasing toward the proximal end side;
- and
- an adhesive layer formed to smoothly connect a proximal end portion of the tapered portion and an outer periphery of the insertion portion.
3 more elements
An endoscope comprising:
- an insertion portion extending along a longitudinal axis;
- a flange portion that holds a position of a tubular member in a direction of the longitudinal axis at an outer periphery of the insertion portion when the tubular member is mounted on the insertion portion, the tubular member being formed in a tubular shape along the longitudinal axis in the insertion portion and being configured to rotate about the longitudinal axis by a transmitted driving force;
- a tapered portion provided on a proximal end side of the flange portion in the direction of the longitudinal axis, an outer diameter of the tapered portion gradually decreasing toward the proximal end side;
- and
- an adhesive layer formed to smoothly connect a proximal end portion of the tapered portion and an outer periphery of the insertion portion.
2 more elements
Dependencies are inferred from the claim text.