Rad-Sure blood irradiation indicators
Brand: Ashland | Category: Medical Equipment
Transfusion-associated graft-versus-host disease (TA-GvHD) is a rare but usually fatal complication of blood transfusion, and irradiating blood products before transfusion prevents it. Rad-sure indicators are an FDA 510(k) cleared medical device giving positive visual verification that irradiation reached the minimum specified dose: before irradiation the word NOT is visible and the indicator reads NOT Irradiated, and afterwards the word NOT is obscured so the indicator reads IRRADIATED. They are made from gafchromic film, which Ashland calls the world's highest resolution dosimeter, and work with both gamma and x-ray sources. Ashland describes them as the standard for blood irradiation indicators for 25+ years.
Manufacturer-listed indicator features
| Parameter | Value |
|---|---|
| Indicator type | Radiochromic visual irradiation indicator |
| Version selection | Gamma or X-ray application; confirm the appropriate version |
| Visual response | The “NOT” portion of the label is obscured after irradiation |
| Identification | Lot traceability with ISBT 128 barcoding |
| Storage | Room-temperature storage, subject to the supplied instructions |
Ashland Rad-Sure product page. The label indicates exposure and is not a substitute for dose measurement or a validated blood-irradiation procedure. Confirm the version, threshold, expiry and instructions for the irradiator. Checked 2026-09-29.
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