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Tubing Connector Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A specialized medical-grade connector designed to securely join tubing segments in contrast media injection systems, maintaining sterile fluid pathways while withstanding high-pressure injection cycles during CT, MRI, and angiography procedures. It features luer-lock or proprietary coupling mechanisms to prevent accidental disconnection.

Working Principle

Operates by creating a secure, pressure-resistant seal between tubing ends through mechanical locking (e.g., luer-lock threads) or compression fittings. The connector maintains fluid integrity by preventing leaks, backflow, or contamination during high-pressure contrast media delivery, typically at 300-1200 psi.

Materials

Medical-grade materials: Polycarbonate (body), Silicone or Polyurethane (seals), Stainless Steel 316L (locking components), BPA-free plastics. Biocompatible, sterilizable via autoclave (up to 134°C) or gamma irradiation.

Technical Parameters

Flow Rate 1-10 mL/s
Connection Type Luer-Lock (ISO 80369-7), Push-to-Connect
Leak Resistance Zero leakage at max rated pressure
Pressure Rating Up to 1200 psi (82.7 bar)
Temperature Range -20°C to 100°C
Tubing Compatibility 1/8" to 1/4" ID, various wall thicknesses

Standards

ISO 80369-7, ISO 594-1, ISO 594-2, DIN 13969, FDA 21 CFR Part 820

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tubing Connector.

Parent Products

This component is used in the following industrial products

Contrast Injector

A medical device that precisely delivers contrast agents into the patient's bloodstream during imaging procedures.

View Product Details

Engineering Analysis

Risks & Mitigation

Cross-contamination if not properly sterilized
Mechanical failure under cyclic pressure
Incompatibility causing fluid leakage
Material degradation from contrast media chemicals

FMEA Triads

Trigger: Seal material degradation from repeated sterilization
Failure: Fluid leakage during high-pressure injection
Mitigation: Use chemically resistant seals (e.g., FKM fluorocarbon) and implement replacement schedules based on cycle counts

Trigger: Improper connection torque
Failure: Thread stripping or incomplete seal
Mitigation: Train staff on proper hand-tightening techniques and use torque-limiting devices where specified

Trigger: Material incompatibility with contrast agents
Failure: Cracking or swelling of connector components
Mitigation: Verify chemical compatibility charts for specific contrast media (ionic/non-ionic) and connector materials

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Dimensional tolerance ±0.1 mm on critical sealing surfaces, pressure testing at 150% of rated pressure for 5 minutes

Test Method

Hydrostatic pressure testing per ISO 10555, leak testing with helium mass spectrometry, material biocompatibility per ISO 10993

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 sterilization methods are compatible with contrast injector tubing connectors?

Most connectors are compatible with autoclave sterilization (134°C, 2 bar), gamma irradiation (25-40 kGy), and ethylene oxide (EtO) sterilization. Always verify manufacturer specifications.

Are these connectors interchangeable between different contrast injector brands?

Not universally. While luer-lock connectors follow ISO standards, proprietary locking mechanisms (e.g., Bayer Medrad, Bracco Empower) require brand-specific connectors. Always check compatibility charts.

What causes connector failures in high-pressure applications?

Common failures include thread wear from repeated use, seal degradation from chemical exposure, and cracking from over-torquing. Regular inspection and replacement per manufacturer guidelines prevent failures.

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.

Tubing Connector