Flexible tube for an endoscope and electronic endoscope...

Details Flexible tube for an endoscope and electronic endoscope... Flexible tube for an endoscope and electronic endoscope...

2006-03-14

2006-03-14

Flanagan, Beverly M. (Department: 3739)

Surgery

Endoscope

Having flexible tube structure

C600S140000

Reexamination Certificate

active

07011627

ABSTRACT:
An flexible tube for an endoscope having excellent resilience and durability is provided. The flexible tube for an endoscope includes a spiral coil formed by helically winding a band-shaped member, a reticular tube formed by braiding a plurality of fine wires and provided over the spiral coil, and a flexible outer cover provided over the reticular tube. The fine wires include at least one first fine wire having a coating layer mainly made from a resin material and at least one second fine wire having no such a coating layer, and the first fine wire is made more flexible than the second fine wire. The difference between the flexibilities of the first fine wire and the second fine wire can be obtained in such a way (method) that the first fine wire is made from a constituent material softer than a constituent material of the second fine wire, or that the diameter of the first fine wire is made to be smaller than the diameter of the second fine wire, or the like.

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patent: 2001070238 (2001-03-01), None

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