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Item Number: PA-294

MRI Knee Wedge

MRI Knee Wedge

$550.00
$550.00
MR Safe What does this mean?
MR Safe

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

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

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 MRI Knee Wedge is a specialized piece of MRI equipment, essential for achieving optimal patient positioning and comfort during imaging procedures. Designed to elevate and support the knee, this wedge not only enhances patient stability but also helps improve image accuracy by reducing patient movement. Crafted with high-quality, durable materials, the MRI Knee Wedge ensures compatibility with various MRI products, making it a reliable addition to any imaging facility. Its ergonomic design complements a range of body types, allowing for effective and precise support in both clinical and diagnostic settings.

Features:

  • Heat-sensitive viscoelastic material for personalized, molded support
  • Antimicrobial cover for improved hygiene and safety
  • Durable nylon seams for long-lasting performance
  • Easily cleaned with standard hospital disinfectants (excluding bleach)
  • MR Safe and latex-free for universal compatibility

Overall Dimensions:

  • PA-294: 28.2”L x 16”W x 8”D
  • PA-295: 28.2"L x 29"W x 8"D
  • PA-296: 28.2"L x 24"W x 8"D
  • PA-297: 28.2"L x 19.5"W x 8"D
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Frequently Asked Questions

1. What makes this MRI knee wedge suitable for use inside the MRI suite?

The MRI Knee Wedge is made entirely from non-magnetic, non-conductive materials, allowing safe use in all MRI zones, including during active scanning. It’s designed specifically for imaging environments where ferromagnetic materials can’t be used, providing reliable support without creating artifacts or affecting image quality.

2. How does the knee wedge help improve image consistency and patient comfort?

By supporting the natural bend of the knee and reducing lower back strain, the wedge helps patients stay still longer — which minimizes motion artifacts and improves image clarity. The viscoelastic foam conforms to each patient’s shape, evenly distributing pressure and reducing discomfort during longer scans.

3. Can the MRI Knee Wedge be cleaned between patients, and what disinfectants are safe to use?

Yes. The antimicrobial cover can be wiped down between patients using standard hospital-grade disinfectants (excluding bleach). The smooth nylon surface resists fluid absorption and helps maintain hygiene standards in high-throughput MRI suites. Regular cleaning preserves both patient safety and the pad’s long-term performance.

4. Are different sizes available for various MRI tables or patient body types?

Yes. The MRI Knee Wedge is available in multiple sizes to fit a variety of patient builds and table widths, including models 16”, 19.5”, 24”, and 29” wide. Facilities can select the size that best aligns with their scanner setup and patient volume to ensure consistent positioning and comfort across exams.

5. How long does the MRI Knee Wedge typically last under daily clinical use?

With proper care, the wedge provides years of consistent use. The foam core retains its shape under repeated loading, and the nylon cover is built to resist wear from frequent cleaning and repositioning. Many imaging centers replace wedges only as part of routine suite refreshes rather than due to product failure.

Additional Resources

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