INDUSTRY COMPONENT

Needle Protection Cap

Sterile protective cap for syringe needles that prevents contamination and accidental needlestick injuries.

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Component Specifications

Definition
A medical-grade polypropylene cap designed to cover and protect syringe needles before and after use. It maintains sterility, prevents contamination of the needle tip, and reduces the risk of accidental needlestick injuries by providing a secure, tamper-evident seal. The cap is engineered for single-use applications and must meet stringent medical device standards for biocompatibility and safety.
Working Principle
The cap fits securely over the needle hub or needle tip, creating a physical barrier that prevents exposure to contaminants and accidental contact. It typically features a snap-fit or friction-fit design that ensures it remains in place during handling and storage, while allowing easy removal when needed. Some designs include tamper-evident features to indicate if the cap has been removed or compromised.
Materials
Medical-grade polypropylene (PP), compliant with ISO 10993 for biocompatibility. Material must be free of latex, DEHP, and other harmful additives. Typical specifications include: PP homopolymer, density 0.905 g/cm³, melt flow rate 12 g/10 min (230°C/2.16 kg), sterilizable via gamma irradiation or ethylene oxide (EtO).
Technical Parameters
  • Color Typically white or clear
  • Packaging Bulk or blister-packed
  • Sterility Sterile, single-use
  • Dimensions Varies by needle gauge (e.g., 18G-30G)
  • Shelf Life 5 years in original packaging
  • Temperature Resistance -20°C to 121°C
Standards
ISO 7886-1, ISO 10993, ISO 13485, DIN EN 455, FDA 21 CFR Part 820

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Needle Protection Cap.

needle protection cap syringe cap medical polypropylene cap sterile needle cover needlestick prevention ISO 7886-1 medical device component Needle Protection Cap in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Medical-Grade Polypropylene Syringe

Sterile disposable syringe manufactured from medical-grade polypropylene for clinical applications.

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Engineering Analysis

Risks & Mitigation
  • Contamination if cap is damaged or improperly sealed
  • Needlestick injury if cap fails to secure properly
  • Material degradation if exposed to incompatible chemicals or extreme temperatures
FMEA Triads
Trigger: Improper molding or material defects
Failure: Cap does not fit securely, leading to contamination or needlestick risk
Mitigation: Implement strict quality control (QC) checks, including dimensional verification and leak testing
Trigger: Inadequate sterilization process
Failure: Non-sterile cap, risking infection
Mitigation: Validate sterilization cycles and conduct regular microbiological testing
Trigger: Tampering or damage during handling
Failure: Compromised barrier function
Mitigation: Use tamper-evident packaging and train personnel on proper handling procedures

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Dimensional tolerance ±0.1 mm per ISO 2768-m, sterility assurance level (SAL) ≤10⁻⁶
Test Method
Dimensional checks via coordinate measuring machine (CMM), sterility testing per ISO 11737, biocompatibility testing per ISO 10993, and functional testing for fit and seal integrity

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a needle protection cap?

To maintain needle sterility, prevent contamination, and reduce the risk of accidental needlestick injuries.

Can needle protection caps be reused?

No, they are designed for single-use only to ensure sterility and safety.

How are needle protection caps sterilized?

Typically via gamma irradiation or ethylene oxide (EtO) sterilization, compliant with ISO 11137 and ISO 11135 standards.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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