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MRI Visible Guidewires and Catheters |
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Viewing interventional devices, such as catheters and guidewires, under MRI is a challenge. Often, the objects are smaller or thinner than the resolution of the MRI system, or are made of materials that are less well-contrasted under MRI. Biophan’s patented technologies overcome these challenges, enabling surgical procedures under MRI that would have been difficult or impossible to perform previously.
Guidewires
In one demonstration of these technologies, Biophan scientists used three aluminum wires as example products to represent actual interventional guidewires. The wire on the right of this illustration is not coated, so it is not visible under MRI. The two aluminum wires on the left were coated with Biophan’s nanomagnetic coating, making them visible under MRI.
The two wires (above, left) have Biophan’s nanomagnetic particle coating so they can be seen, unlike the uncoated wire (above, right)
Catheters
In another example of enhanced MRI visibility, Biophan’s resonator bands can be applied to a catheter tip and imaged under MRI.
Resonator bands on the catheter tip allow for accurate placement in MRI guided intervention
These bands use Biophan’s proprietary resonator technology: resonant-frequency circuitry, tuned to the exact MRI frequency, which makes the catheter clearly visible under MRI, allowing accurate placement in MRI-guided interventional procedures.
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