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US 11,759,096 B2Granted
Endoscope
AssigneeHoya Corporation
InventorsTakayoshi Morishima, Keiji Ito, Kohei Iketani
Life of this patent
Estimating the term…
Abstract
An endoscope has an insertion portion with a simple configuration. The endoscope is an endoscope having an insertion portion and an operation unit connected to one end of the insertion portion. The insertion portion includes a tube provided with a plurality of channels penetrating in a longitudinal direction, an operation unit connected to one end of the tube, and a distal tip that covers another end of the tube and smoothly communicates with a part of the plurality of channels.
Claims14
An endoscope, comprising:
- an insertion portion;
- an operation unit;
- and
- a fracturable portion,
- wherein the insertion portion includes
- a single-use portion including a tube that is provided with a plurality of channels penetrating in a longitudinal direction, wherein the operation unit is connected to one end of the tube, and
- a reusable portion including a distal tip that covers another end of the tube and has a plurality of through holes that communicate with a respective said plurality of channels, and
- wherein the fracturable portion is adhered to and covers a joint between the tube and the distal tip,
- wherein the fracturable portion is configured to be fractured when the single-use portion and the reusable portion are separated,
- wherein an outermost diameter of the tube and an outermost diameter of the distal tip are the same where the tube and distal tip are covered by the fracturable portion, and
- wherein the material at the outermost diameter of the tube not covered by the fracturable portion is harder or more rigid than the material of the fracturable portion.
8 more elements
Dependencies are inferred from the claim text.