






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
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.
- More info
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

