Laser-cut bending section and snake bone tube sourcing for steerable instruments.
| Metric | Typical Range | Why It Matters |
|---|---|---|
| Bending performance | Pattern-specific | Determines steering smoothness. |
| Tube material | 304 / 316L stainless steel, nitinol, cobalt chrome | Defines fatigue behavior, recoverability, and cable-actuation feel. |
| Geometry inputs | Bend angle, hinge width, cable path, cycle target | Gives engineering enough data to judge articulation risk. |
| Decision Factor | Confirm Before Quote | Buyer Impact |
|---|---|---|
| Articulation geometry | Hinge pitch, bridge width, bend angle, cable path, and distal section length. | Determines steering smoothness, bending radius, and whether the scope can meet motion targets. |
| Material and fatigue target | 304/316L, nitinol, cobalt chrome, wall thickness, and expected bend-cycle target. | Prevents hinge cracking or loss of recovery during repeated actuation. |
| Assembly interfaces | Proximal/distal joining features, weld zones, cable clearance, and cleaning requirement. | Lets the tube integrate with pull wires, sleeves, and distal caps without rework. |
Yes, provide drawing and bend target.
Validate bend angle, recovery, pull-wire travel, hinge fatigue, edge condition, and assembly clearance in a representative prototype loop.
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