Endoscope, endoscope system, and method of manufacturing endoscope
AssigneeOlympus Medical Systems Corp.
InventorRyuichi Toyama
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Abstract
An endoscope of the invention is the endoscope for applying a propulsion force in a direction of insertion axis of an insertion portion main body in accordance with rotation of the insertion portion main body based on driving force of a driving member, and the endoscope includes a flexible elongated inner layer tube configured as a shaft of the insertion portion; and a spiral-shaped portion rotatable around the inner layer tube as an axial center based on the driving force of a motor, the spiral-shaped portion forming an outer surface of the insertion portion main body, in which the spiral-shaped portion is formed by a nondensely wound coil and a resin thin film provided so as to cover gaps of a wire forming the metal coil.
Claims13
An endoscope for applying a propulsion force in a direction of insertion axis of an insertion portion in accordance with rotation of the insertion portion based on a driving force of a driving member, the endoscope comprising:
- a flexible elongated tube configured as a shaft of the insertion portion;
- and
- a spiral-shaped portion rotatable around the tube as an axial center based on the driving force of the driving member, the spiral-shaped portion forming an outer surface of the insertion portion, wherein, the spiral-shaped portion includes a nondensely wound coil and a resin thin film continuously provided so as to cover gaps of a wire forming the metal coil.
Dependencies are inferred from the claim text.