Luer Lock Connector: Taper 6% Luer taper (ISO 594-1)

Component Specifications

Definition

A Luer Lock Connector is a standardized medical-grade component designed to provide a secure, leak-proof connection between syringes, needles, catheters, and other medical devices. It features a threaded locking mechanism that prevents accidental disconnection during fluid transfer, ensuring safety and reliability in medical applications. The connector conforms to ISO 80369 standards for small-bore connectors to prevent misconnections.

Working Principle

The Luer Lock operates on a screw-thread locking principle. The male connector (typically on the syringe) has external threads, while the female connector has internal threads. When connected, the threads engage and are tightened to create a secure mechanical lock. This prevents accidental disconnection due to pressure or movement, while maintaining a fluid-tight seal through the tapered Luer slip interface.

Materials

Medical-grade polypropylene (PP), complying with USP Class VI, ISO 10993 biocompatibility standards. May include additives for color coding, radiopacity, or enhanced chemical resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Taper	6% Luer taper (ISO 594-1)
Leakage	Zero leakage at rated pressure
Thread Size	6% Luer Lock thread (ISO 594-2)
Sterilization	Autoclavable (121°C, 15 psi), Gamma radiation, EtO compatible
Pressure Rating	Up to 400 kPa (58 psi)

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 80369-7, ISO 594-1, ISO 594-2, USP <381>, ANSI/HIMA MD70.1

Parent Products

This component is used in the following industrial products

Medical-Grade Polypropylene Syringe

Sterile disposable syringe made from medical-grade polypropylene for clinical fluid administration.

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Engineering Analysis

Risks & Mitigation

Cross-contamination if not properly sterilized
Thread stripping from overtightening
Misconnection with non-Luer devices (mitigated by ISO 80369)

FMEA Triads

Trigger: Incorrect thread engagement during assembly
Failure: Leakage or disconnection during fluid transfer
Mitigation: Implement visual/tactile alignment guides and torque-controlled assembly processes

Trigger: Material degradation from repeated sterilization
Failure: Cracking or thread deformation
Mitigation: Use medical-grade polypropylene with sterilization cycle validation and replacement protocols

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1 mm on critical dimensions per ISO 80369-7

Test Method

Pressure decay test per ISO 80369-7, extractables testing per USP <661.1>, biocompatibility per ISO 10993

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Luer Lock Connector

Manufacturer profiles associated with Luer Lock Connector.

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Frequently Asked Questions

What is the difference between Luer Lock and Luer Slip connectors?

Luer Lock connectors have a threaded locking mechanism for secure connections, while Luer Slip connectors rely on friction fit without threads. Luer Lock is preferred for high-pressure or critical applications to prevent accidental disconnection.

Are Luer Lock connectors standardized globally?

Yes, Luer Lock connectors follow ISO 80369-7 standards to ensure global compatibility and prevent misconnections with other medical device connectors.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Luer Lock Connector