Editorial Technical Reference

Contrast Media Injector

This page explains how Contrast Media Injector is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

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

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Contrast Media Injector

Definition
A contrast media injector is a specialized component used within medical imaging systems to administer contrast agents—such as iodine-based or gadolinium-based solutions—into a patient's circulatory system. Its primary function is to enhance the visibility of blood vessels, organs, and tissues during diagnostic procedures like computed tomography (CT), magnetic resonance imaging (MRI), and angiography. The injector precisely controls the injection rate, volume, and pressure of the contrast medium, ensuring consistent and safe delivery tailored to the specific imaging protocol. This device is typically integrated into the imaging suite and operated by trained medical personnel. It consists of a motor-driven syringe or piston mechanism that draws contrast media from reservoirs and injects it through sterile tubing and catheters into the patient. Computerized controls allow for programmable flow rates, injection phases, and pressure limits, which can be adjusted to match the requirements of different examinations. The injector is constructed from medical-grade materials, including stainless steel, plastics, and silicone rubber, to ensure biocompatibility and durability. Key parameters include a flow rate range of 0.1–10 mL/s, injection volumes from 1–200 mL, and a maximum pressure limit of 0.1–0.5 MPa. Accuracy is specified as ±5% for flow rate and ±2% for volume under nominal conditions. The device operates on a 100–240 V AC power supply (50/60 Hz) with a power consumption of ≤150 VA. It is designed for an operating temperature of 10–30 °C and storage temperature of -20–50 °C, with non-condensing relative humidity of 10–85%. The ingress protection rating is IPX1 (drip-proof) per IEC 60529. Depending on configuration, the weight ranges from 15–25 kg, and approximate dimensions are 400×300×500 mm (W×D×H). These values are reference ranges and must be verified for the specific model and application. Always confirm model-specific specifications and applicable standards with the legal manufacturer or supplier before procurement or use.
Working Principle
The contrast media injector operates using a motor-driven syringe or piston mechanism. The system draws contrast media from a reservoir into a syringe, then injects it through sterile tubing and a catheter into the patient's bloodstream. A computerized control unit manages the injection process, allowing precise adjustment of flow rate, volume, and pressure. The control system can be programmed for multiple phases, enabling complex injection protocols. Safety features include pressure limits and alarms to prevent over-pressurization. The injector is designed to deliver contrast media consistently, ensuring optimal imaging enhancement while minimizing patient risk.
Common Materials
Medical-grade stainless steel, Medical-grade plastics, Silicone rubber
Technical Parameters
ParameterTypical rangeNotes & selection driver
Flow Rate Range0.1–10 mL/sAdjustable for different imaging protocols
Injection Volume1–200 mLProgrammable per phase
Pressure Limit0.1–0.5 MPaMaximum allowable system pressure
Flow Rate Accuracy±5 %At nominal conditions
Volume Accuracy±2 %At nominal conditions
Power Supply100–240 V AC50/60 Hz
Power Consumption≤150 VADuring operation
Operating Temperature10–30 °CFor optimal performance
Storage Temperature-20–50 °CNon-condensing
Relative Humidity10–85 %Non-condensing
Ingress ProtectionIPX1Drip-proofIEC 60529
Weight15–25 kgDepending on configuration
Dimensions (W×D×H)400×300×500 mmApproximate

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

Components / BOM
  • Syringe Assembly
    Holds and dispenses contrast media through piston movement
    Material: Medical-grade polycarbonate
  • Drive Motor
    Provides mechanical force to move the syringe piston
    Material: Stainless steel housing with copper windings
  • Control Unit
    Processes user inputs and regulates injection parameters
    Material: ABS plastic with electronic components
  • Pressure Sensor
    Monitors injection pressure for safety
    Material: Stainless steel with piezoelectric elements
  • Reservoir
    Holds the contrast media the syringe draws from.
  • Alarms
    Warn the operator when pressure limits are reached.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Contrast Media Injector.

Applied To / Applications

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

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), 5°C to 50°C (storage)
slurry concentration: Not applicable - designed for liquid contrast agents only
Media Compatibility
✓ Iodinated contrast media (e.g., Iohexol, Iopamidol) ✓ Gadolinium-based contrast agents ✓ Saline solution for flushing
Unsuitable: High-viscosity particulate suspensions or abrasive slurries
Sizing Data Required
  • Required injection flow rate (mL/s)
  • Maximum injection pressure needed (psi/kPa)
  • Procedure type and patient population (e.g., cardiac vs. neurological imaging)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Contrast media leakage
Cause: Degradation of seals (O-rings, gaskets) due to chemical incompatibility with contrast agents, compounded by cyclic pressure stress leading to fatigue cracking and loss of containment integrity.
Pump head or syringe drive mechanism failure
Cause: Wear and misalignment from repeated mechanical cycling under high pressure, often accelerated by inadequate lubrication, particulate contamination from contrast media residues, or motor/drive component overheating.
Maintenance Indicators
  • Audible: Unusual grinding, clicking, or whining noises from the pump or drive assembly during operation, indicating mechanical wear or impending component failure.
  • Visual: Visible contrast media residue or moisture around seals, connectors, or the injection pathway, signaling potential leakage or seal degradation that could compromise sterility and dosing accuracy.
Engineering Tips
  • Implement a proactive seal and tubing replacement schedule based on manufacturer recommendations and usage cycles, using only chemically compatible materials specified for contrast agents to prevent degradation and leakage.
  • Establish regular calibration and performance verification protocols, including pressure accuracy checks and flow rate validation, to detect early deviations and prevent mechanical overstress or dosing errors.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/AAMI ES60601-1:2005 - Medical electrical equipment - Part 1: General requirements for basic safety and essential performance DIN EN 62366-1:2015 - Medical devices - Application of usability engineering to medical devices

Quoted from the published standard.

Manufacturing Precision
  • Flow rate accuracy: +/- 2% of set value
  • Pressure accuracy: +/- 5% of set value or +/- 10 mmHg, whichever is greater
Quality Inspection
  • Pressure leak test at 1.5 times maximum operating pressure
  • Electrical safety test per IEC 60601-1 standards

Manufacturers of Contrast Media Injector

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Shenzhen Lnkmed Medical Technology Co., Ltd.
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources

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Frequently Asked Questions

What is the typical flow rate range of a contrast media injector?

The flow rate range is typically 0.1–10 mL/s, adjustable for different imaging protocols. However, the exact range depends on the specific model and configuration, so always verify with the manufacturer.

What materials are used in the construction of a contrast media injector?

Common materials include medical-grade stainless steel, medical-grade plastics, and silicone rubber. These materials are chosen for biocompatibility and durability, but specific grades may vary by manufacturer.

What are the power requirements for a contrast media injector?

The injector typically operates on a 100–240 V AC power supply at 50/60 Hz, with a power consumption of ≤150 VA during operation. Always check the product label for exact specifications.

What is the ingress protection rating of a contrast media injector?

The standard ingress protection rating is IPX1 (drip-proof) according to IEC 60529. This means it is protected against dripping water, but not against more severe water exposure. Verify the rating for the specific model.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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