Structured Manufacturing Data (2026)

Contrast Injector

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Contrast Injector used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Contrast Injector is characterized by the integration of Syringe Pump Assembly and Pressure Sensor. In industrial production environments, manufacturers listed on CNFX commonly emphasize Medical-grade stainless steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

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

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Product Specifications

Technical details and manufacturing context for Contrast Injector

Definition
A contrast injector is a critical component of medical imaging equipment that administers contrast media (such as iodine-based or gadolinium-based agents) at controlled rates and volumes to enhance the visibility of blood vessels, organs, and tissues in diagnostic imaging modalities like CT, MRI, and angiography. It ensures accurate timing and dosage for optimal image quality while monitoring patient safety through pressure limits and flow control.
Working Principle
The injector uses a motor-driven syringe or piston pump to deliver contrast media from a reservoir through sterile tubing into the patient's intravenous line. It operates under programmable protocols that control injection rate, volume, pressure limits, and timing relative to the imaging scan. Advanced models incorporate dual-head systems for simultaneous injection of contrast and saline, with real-time pressure monitoring and safety shut-off mechanisms.
Common Materials
Medical-grade stainless steel, Polycarbonate, Silicone, PTFE (Teflon)
Technical Parameters
  • Maximum injection flow rate (mL/s) Customizable
Components / BOM
  • Syringe Pump Assembly
    Precisely drives the syringe plunger to deliver contrast media at programmed rates
    Material: Stainless steel, precision bearings
  • Pressure Sensor
    Monitors injection pressure in real-time and triggers safety shut-off if limits are exceeded
    Material: Stainless steel diaphragm, piezoelectric elements
  • Control Interface
    Allows programming of injection protocols and displays operational parameters
    Material: Polycarbonate, touchscreen glass
  • Tubing Connector Part
    Provides sterile connection between injector and patient IV line
    Material: Polypropylene, silicone seals

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Contrast Injector.

Contrast Media Injector Power Injector high-pressure contrast media injector medical imaging contrast delivery system automated syringe pump for CT scans precision contrast injector with pressure sensor medical-grade stainless steel injector device

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Medical Imaging Equipment
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 1200 psi (8274 kPa) maximum injection pressure
flow rate: 0.1 mL/s to 10 mL/s adjustable
temperature: 15°C to 40°C (operating), 0°C to 50°C (storage)
slurry concentration: Not applicable - designed for medical-grade contrast agents only
Media Compatibility
✓ Iodinated contrast media (e.g., Iohexol, Iopamidol) ✓ Gadolinium-based contrast agents ✓ Saline solution for flushing
Unsuitable: Corrosive chemicals or abrasive slurries
Sizing Data Required
  • Required flow rate range (mL/s)
  • Maximum injection pressure needed (psi/kPa)
  • Compatibility with specific contrast agent viscosity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Nozzle clogging
Cause: Accumulation of particulate contaminants or chemical deposits from the fluid stream, often due to inadequate filtration or fluid degradation.
Seal leakage
Cause: Wear or degradation of O-rings or gaskets from chemical attack, thermal cycling, or improper installation leading to pressure loss and spray pattern deviation.
Maintenance Indicators
  • Irregular or asymmetric spray pattern during operation
  • Audible hissing or dripping from the injector body indicating internal or external leakage
Engineering Tips
  • Implement a proactive filtration maintenance schedule and use compatible, clean fluids to prevent nozzle clogging and abrasive wear.
  • Follow manufacturer torque specifications during assembly, use chemically compatible seals, and conduct regular pressure decay tests to detect early seal failures.

Compliance & Manufacturing Standards

Reference Standards
ISO 13485:2016 - Medical devices - Quality management systems ASTM F2052-15 - Standard Specification for Design and Performance of Single-Use Syringes CE Marking - Medical Device Directive 93/42/EEC
Manufacturing Precision
  • Needle bore diameter: +/-0.01mm
  • Plunger seal concentricity: 0.05mm TIR
Quality Inspection
  • Leakage test under pressure (per ASTM F2052)
  • Sterility validation test (per ISO 11737-1)

Factories Producing Contrast Injector

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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 imaging procedures is this contrast injector suitable for?

This contrast injector is designed for CT scans, MRI procedures, and other medical imaging where precise contrast agent delivery is required for enhanced diagnostic clarity.

How does the pressure sensor improve injection safety?

The integrated pressure sensor monitors injection force in real-time, preventing over-pressure situations that could cause patient discomfort or vascular damage while ensuring consistent contrast delivery.

What maintenance is required for the contrast injector components?

Regular cleaning of medical-grade stainless steel surfaces, inspection of silicone and PTFE tubing for wear, and calibration of the syringe pump assembly according to manufacturer guidelines ensure optimal performance and longevity.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

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

Preliminary Technical Classification
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