• FerrAlert "GaussAlert" System Medical Equipment
  • FerrAlert "GaussAlert" System Medical Equipment
  • FerrAlert "GaussAlert" System Medical Equipment
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Item Number: SM-144

FerrAlert "GaussAlert" System

FerrAlert "GaussAlert" System

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MR Conditional What does this mean?

MR Safe – an item that poses no known hazards in all MRI environments. Using the terminology, “MR Safe” items are non-conducting, non-metallic, and non-magnetic items such as a plastic Petri dish. An item may be determined to be MR Safe by providing a scientifically based rationale rather than test data.

MR Conditional – an item that has been demonstrated to pose no known hazards in a specified MR environment with specified conditions of use. “Field” conditions that define the MR environment include static magnetic field strength, spatial gradient magnetic field, dB/dt (time rate of change of the magnetic field), radio frequency (RF) fields, and specific absorption rate (SAR). Additional conditions, including specific configurations of the item (e.g., the routing of leads used for a neurostimulation system), may be required.

MR Unsafe – An item that is known to pose hazards in all MRI environments. MR Unsafe items include magnetic items such as a pair of ferromagnetic scissors.

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The FerrAlert GaussAlert System represents a cutting-edge advancement in MRI equipment, designed to enhance safety and efficiency within magnetic resonance imaging environments. This innovative technology monitors ambient magnetic field strength and delivers precise, real-time alerts when preset gauss thresholds are exceeded. By proactively identifying ferromagnetic objects or MR Conditional equipment nearing unsafe magnetic field levels, the system helps prevent potential operational hazards, such as equipment malfunctions, patient injuries, or compromised image quality. The GaussAlert system integrates seamlessly with a wide range of MRI products and requires no periodic maintenance for up to five years, providing healthcare facilities with a reliable and low-maintenance solution.

Engineered for accuracy and convenience, the GaussAlert system includes preset gauss thresholds of 10, 30, and 100 gauss to accommodate varying equipment specifications. By ensuring critical medical devices, such as infusion pumps, patient monitors, and anesthesia machines, remain within safe operational zones, GaussAlert helps maintain image clarity and system integrity during MRI procedures. Additionally, this system serves as an essential tool for alerting staff about MR Unsafe equipment, like crash carts, that must remain outside the MRI magnet room. Complementing FerrAlert’s HALO ENTRY detector, the GaussAlert System reinforces a controlled environment, aligning with best practices outlined in the ACR Guidance Document for Safe MR Practices.

 

Reminder: Ferromagnetic detectors should not replace current MRI Pre- screening procedures. To provide your patients and personnel with the most comprehensive safety, the use of diligent screening protocol together with our high quality ferromagnetic detectors is recommended.
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Frequently Asked Questions

1. How does the FerrAlert GaussAlert help protect MR Conditional equipment during patient scans?

The GaussAlert gives you continuous, real-time feedback on magnetic field strength so you know exactly when a device is approaching its limit. Most MR Conditional equipment — infusion pumps, anesthesia machines, patient monitors — has a maximum gauss rating printed on its labeling. The GaussAlert uses preset thresholds (10, 30, and 100 gauss) to warn staff well before a device crosses into an unsafe area. That makes it easier to keep equipment positioned correctly during active scanning, avoid sudden equipment shutdowns, and maintain stable patient monitoring without guesswork.

2. Where do most facilities install the GaussAlert, and does it help with controlling MR Unsafe items?

Many sites mount the GaussAlert along the Zone III → Zone IV transition, right where staff push in anesthesia carts, monitors, or MRI-approved transport equipment. By giving a bright visual cue when magnetic field levels rise, it becomes a secondary checkpoint for MR Unsafe items that should never enter the magnet room — such as crash carts, oxygen cylinders, or standard stretchers. It’s especially helpful in busy centers with rotating staff or visitors, where it serves as a constant reminder of proximity to the magnet without slowing down workflow.

3. What makes the GaussAlert a low-maintenance option compared to other gauss monitors?

One of the biggest advantages is that it requires no periodic calibration or service for up to five years, which significantly reduces biomed workload. Since it uses passive sensing rather than active RF or electromagnetic output, there’s no drift in readings and no performance degradation tied to environmental changes. It’s basically a set-and-forget installation: mount it, set your thresholds, document its placement for your safety program, and it’s ready for daily use. For facilities aiming to improve safety compliance without adding another system that needs constant attention, that reliability is a meaningful benefit.

Additional Resources

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