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US 2020/0046202 A1Published application
Endoscope
AssigneeHoya Corporation
InventorsTakayoshi MORISHIMA, Kohei IKETANI, Keiji ITO
Life of this patent
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Abstract
An endoscope 100 is provided with an insertion unit 110 including an imaging unit 120 and an operation unit 130 that bends a part of the insertion unit 110. At least a part of the insertion unit 110 includes a tube 110a formed of a resin. The tube 110a includes a plurality of channels 110b formed of the resin included in the tube 110a.
Claims22
An endoscope comprising:
- an insertion unit including an imaging unit;
- and
- an operation unit configured to bend a part of the insertion unit,
- wherein at least a part of the insertion unit includes a tube formed of a resin, the tube including a plurality of channels formed of the resin included in the tub;
- wherein the insertion unit includes a distal tip including the imaging unit, a bending section that is bent by the operation unit, and a flexible section disposed between the bending section and the operation unit,
- at least a part of the bending section and a part of the flexible section include the tube,
- the resin excluding the channels has a porosity of 0% or more and 80% or less,
- a rigid member inserted through the channels;
- and an angle wire inserted through the rigid member and connected to a bending mechanism of the bending section,
- wherein the operation unit is configured to operate the angle wire.
7 more elements
(canceled)
(canceled)
An endoscope comprising:
- an insertion unit including an imaging unit;
- and
- an operation unit configured to bend a part of the insertion unit,
- wherein at least a part of the insertion unit includes a tube formed of a resin, the tube including a plurality of channels formed of the resin included in the tube,
- the endoscope comprising:
- a single-use portion including the tube that is replaced for each use;
- and
- a reusable portion including the imaging unit that is collected for each use to be reused.
5 more elements
An endoscope comprising:
- an insertion unit comprising:
- a distal tip including an imaging unit;
- a bending section;
- a flexible section;
- and
- an operation unit configured to cause the bending section to bend,
- wherein the flexible section is disposed between the bending section and the operation unit, and
- wherein at least a part of the bending section and a part of the flexible section include a tube formed of a resin, the tube including a plurality of channels formed of the resin included in the tube, the resin excluding the channels having a porosity of 0% or more and 80% or less,
- wherein the endoscope further comprises:
- a rigid member inserted through the channels;
- and
- an angle wire inserted through the rigid member and connected to a bending mechanism of the bending section,
- wherein the operation unit is configured to operate the angle wire.
10 more elements
Dependencies are inferred from the claim text.