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Biomedical-Grade Helical Compression Spring for Surgical Instruments with Precision Force Control and Sterility Assurance

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Biomedical-Grade Helical Compression Spring for Surgical Instruments with Precision Force Control and Sterility Assurance

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Material : 316LVM stainless steel, Ti-6Al-4V ELI, Nitinol (NiTi-55)

Surface Finish : Ra < 0.2μm

Autoclave Cycles : 2000+

Sterilization Temperature : 134°C

Sterilization Duration : 30 minutes

Weight Reduction : 40%

Corrosion Resistance : Excellent in bodily fluids

Temperature Range : -40°C to 121°C

Wire Diameter : 0.1mm to 2.0mm

Coil OD : 1.5mm

Working Stroke : 0.3mm-10mm

Force Linearity : ±2%

Precision Welding : 0.01mm

AOI Resolution : 5μm

Fatigue Life : 10⁶ cycles

Load Capacity : 70% rated load

Positional Accuracy : 0.02mm

Cycle Testing : 5000 cycles

Force Control : ±0.05N

Cleanroom Class : ISO 8 Class 100,000

Place of Origin : Sihong, China

Brand Name : Sunzo

Certification : CE/IATF16949/45001/14001/9001

MOQ : Negotiable

Price : Negotiable

Packaging Details : Carton

Delivery Time : Negotiable

Payment Terms : Negotiable

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Helical Compression Spring for Medical Surgical Instruments
Engineered specifically for medical surgical instruments, our helical compression springs deliver biomedical-grade precision and sterility assurance for life-critical applications. These springs provide consistent performance in instruments such as laparoscopic graspers, endoscopic tools, and surgical staplers, ensuring micron-level force control (±0.05N) and repeatable actuation essential for delicate tissue manipulation and precise mechanical feedback.
Medical-Grade Materials
316LVM Stainless Steel (ASTM F138)
Polished to Ra < 0.2μm surface finish to prevent bacterial adhesion, withstands 2000+ autoclave cycles (134°C, 30 minutes) without degradation
Titanium Alloy (Ti-6Al-4V ELI, ASTM F136)
40% weight reduction over steel with equivalent strength, excellent corrosion resistance in bodily fluids
Nitinol (NiTi-55)
Shape memory applications, maintains functional integrity across -40°C to 121°C sterilization ranges
Precision Design Specifications
Parameter Specification Range
Wire Diameter 0.1mm to 2.0mm
Coil Outer Diameter As small as 1.5mm
Working Stroke 0.3mm to 10mm
Force Linearity Maintained within ±2% across deflection range
Advanced Manufacturing Process
  • Cleanroom production (ISO 8 Class 100,000) with automated processes to eliminate human contact
  • Laser welding with 0.01mm precision for end loops, ensuring no micro-cracks or burrs
  • Electropolishing to remove surface impurities and create passive oxide layer (Cr₂O₃)
  • Automated optical inspection (AOI) with 5μm resolution to detect sub-micron defects
Quality & Performance Validation
  • ISO 10993-5 biocompatibility testing (cytotoxicity, sensitization, irritation)
  • ISO 13485 quality management system certification
  • FDA 510(k) premarket notification support for instrument integration
  • Fatigue life testing exceeding 10⁶ cycles at 70% rated load (per ISO 13920 Class 0)
Proven Field Performance: Leading surgical device manufacturers report 92% reduction in instrument failure rates, 0.02mm positional accuracy in micro-dissection procedures, and 100% pass rate in 5000-cycle sterilization testing.
Custom Solutions Available
We offer specialized designs including variable-rate springs for tactile feedback, ultra-fine wire springs for micro-surgery, and anti-migration designs for implantable devices. All springs include full traceability documentation with batch material certificates, process records, and sterility validation reports.

Product Tags:

helical compression spring 20mm

      

1.5mm compression spring 20mm

      

1.5mm helical compression spring

      
Quality Biomedical-Grade Helical Compression Spring for Surgical Instruments with Precision Force Control and Sterility Assurance for sale

Biomedical-Grade Helical Compression Spring for Surgical Instruments with Precision Force Control and Sterility Assurance Images

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