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Snake Bone Assembly

Snake Bone Assembly

Custom designs achieve any bending angle and bending radius, complete process flow ensures product stability, performance verified through fatigue and tensile testing

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Features

  • Customization Capability
  • High Cost-Effectiveness
  • Grinding and Polishing
  • Fatigue Testing
  • Stable Delivery

Quality guaranteed

We understand the strict requirements of precision laser processing for dimensions, smoothness, and consistency. Every process strictly follows the ISO 9001 quality management system and can be organized for production according to the ISO 13485 medical device quality system standard.

From drawing review to finished product inspection, the entire process is traceable and controlled, ensuring machining accuracy up to the micron level, with smooth cuts and stable structures. Whether for single prototype trials or batch production, we deliver high-quality products to the same standards, giving you peace of mind and convenience.

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1. Specifications

Length

Customized

Outer Diameter

0.8-15mm

Wall Thickness

0.1-0.4mm

Bending Angle

0-270°

Adjustable Direction

Single/Dual/Quad Direction

Bending Cycles

1000

Precision

±0.02mm

Cutting Slot Width

0.017mm

Processing Technique

Grinding/Polishing/Cleaning

Material

316/304 Medical Stainless Steel

Multiple specifications and models available, supporting customization of different outer diameters, bending angles, bending directions, and service life to meet various design requirements for endoscopes and minimally invasive surgical instruments.

2. Material

Made of medical-grade 304/316 stainless steel, offering excellent strength, toughness, and corrosion resistance, compliant with medical device material standards.

3. Core Processes

  • High-precision laser cutting, dimensional accuracy controlled within ±0.02 mm

  • Polishing and grinding treatment, surface roughness Ra < 0.02 μm

  • Acid cleaning to remove oxide layers and impurities from the metal surface

  • Ultrasonic pure water cleaning to ensure cleanliness inside and outside with no residue

4. Quality Assurance

  • Snake bone fatigue test: continuous bending 10,000 times (riveted snake bone) / 1,000 times (laser-cut snake bone) without fracture

  • Wire strength test: Ø0.2 mm wire tensile strength up to 60 N

  • Each batch undergoes strict inspection to ensure product stability and reliability under high-intensity operations.

5. Customization

Provide design and processing solutions based on customer-specific requirements such as bending angle, bending radius, direction, outer diameter, and durability cycles, achieving high-precision matching with the entire machine.

6. Response and Delivery

  • 3-day rapid prototyping

  • Batch shipping within 1 week

  • Support for video remote inspection

  • Sealed packaging for safe delivery to global customers

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