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

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Product Detail
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%
Contact Supplier
Biomedical-Grade Helical Compression Spring for Surgical Instruments with Precision Force Control and Sterility Assurance
Biomedical-Grade Helical Compression Spring for Surgical Instruments with Precision Force Control and Sterility Assurance
Biomedical-Grade Helical Compression Spring for Surgical Instruments with Precision Force Control and Sterility Assurance

Jiangsu Sunzo Spring Elasticity Technology Co., Ltd

Verified Supplier
1 Years
nanjing
Since 2006
Business Type :
Manufacturer, Exporter, Seller
Main Products :
DIN 2093 Disc Spring, Single Turn Wave Spring, DIN 6796 Washer
Total Annual :
1.2M-1.4M
Employee Number :
160~200
Certification Level :
Verified Supplier
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