Component of endoscope and endoscope provided with the component
AssigneePENTAX Corporation
InventorMasanao Abe
Life of this patent
Estimating the term…
Abstract
A component of an endoscope is a flexible tube which is composed of a helical coil, a reticular tube formed of a braided thin wires and provided over the helical coil, and an outer cover provided over the reticular tube. The outer cover is formed of a resin material containing TiNxOy (where, 0.1≦x≦1.0, 0≦y≦1.9) which is a color developing agent to be colored when irradiated with laser light. The flexible tube is provided with scale formed by the colored portion. The outer surface the outer cover is black or dark color before the irradiation with laser light, but thus formed scale is white or blight color having a whiteness of 60% or more.
Claims13
A component of an endoscope, comprising:
- an outer surface formed with a colored portion, the colored portion being formed by means of development of a color developing agent, wherein the color developing agent comprising TiNxOy (where, 0.1≦x≦1.0, 0≦y≦1.9) which is developed by irradiation with laser light, and the color developing agent is contained at least in a part of the component which is in the vicinity of the outer surface thereof.
Dependencies are inferred from the claim text.