Product Basic Specifications

• Outer diameter OD: 4.8mm

• Inner diameter ID: 4.6mm

• Effective length L: 50mm

• Bending type: bidirectional (2-way) articulation

• Wall thickness: 0.1mm (ultra-thin wall, large internal through-lumen, ample space for routing wires / instrument channels)

• Structure: riveted multi-segment joint snake bone

Material and Process

• Base material: 304/316L stainless steel optional, medical grade

• Processing: precision laser cutting + riveting forming, uniform joint clearance

• Surface: natural / passivated / polished, burr-free, laser marking available on request

• Tolerance reference: OD/ID ±0.02mm, length ±0.05mm

Product Features

• Bidirectional controllable bending, smooth articulation, no sticking, stable springback

• 0.1mm ultra-thin tube wall, large through-lumen, can accommodate wire bundles and tiny instrument channels

• Joints are firmly riveted, not easy to loosen or break under repeated bending

• Compact size, suitable for small endoscopes, minimally invasive instruments, and industrial inspection endoscopes

• Supports customization of welded traction tabs, limit rings, and connectors at the ends

Application Scenarios

Minimally invasive medical devices, portable industrial endoscopes, bending assemblies for inspection probes

Optional Customizations

• Bending angle adjustment (maximum bidirectional swing angle)

• Connection structures at both ends (traction tabs, welded bases)

• Surface passivation, electrolytic polishing

• Length fine-tuning, end closure / chamfering