Radiotherapy Dosimetry & QA in Bangladesh

Gafchromic radiochromic film and analysis software from Ashland, the reference standard for machine and patient quality assurance in radiotherapy.

17 products from 1 manufacturer: Ashland.

Products

• Gafchromic EBT3 — Ashland: A self-developing radiochromic film for machine quality assurance ahead of patient treatment planning, covering IMRT, VMAT, brachytherapy, Star Shot, Picket Fence and flatness and symmetry tests. Ashland states a dose range of 0.2 Gy to 10 Gy and an energy range from 100 keV into the MV range.
• Gafchromic EBT-XD — Ashland: An extended dose radiochromic film for patient quality assurance in stereotactic radiosurgery, small field dosimetry and hypofractionated treatments. Ashland states a dose range of 0.4 Gy to 40 Gy and an energy range from 100 keV into the MV range.
• Gafchromic RTQA2 — Ashland: A radiochromic film for routine radiotherapy machine quality assurance, including light field and radiation field alignment tests, Star Shot, Picket Fence, flatness and symmetry tests, and position verification for high dose rate brachytherapy. Ashland states a dose range of 0.2 Gy to 10 Gy and an energy range from 100 keV into the MV range.
• Gafchromic MD-V3 — Ashland: A radiochromic film for gamma and X-ray dosimetry, used for dose mapping, research work, high dose dosimetry and sterilisation applications. Ashland states a dose range up to 100 Gy.
• Gafchromic HD-V2 — Ashland: An unlaminated radiochromic film, meaning the top layer is omitted so the active chemistry is exposed. Ashland states it is intended primarily for low energy photon and electron detection, research work, high dose dosimetry and sterilisation applications, with a dose range up to 1000 Gy.
• FilmQA Pro software — Ashland: Quantitative analysis software for Gafchromic film, designed to simplify intensity modulated radiation therapy quality assurance and also used for SRS, SBRT and VMAT procedures. It uses multi channel dosimetry to mitigate film and scanner artefacts, and a one scan protocol that combines calibration and plan verification in a single scan.
• Gafchromic QuiCk Phantom device — Ashland: A phantom for end to end testing of patient treatment verification, built from two slabs of Plastic Water and measuring 29 x 32 x 5 cm. It takes Gafchromic EBT3P film, which is pre punched to match the phantom's registration pins so the film can only be loaded in one orientation, and it indexes to CT and treatment couches with a standard two pin indexing bar.
• Gafchromic EBT4 radiotherapy films — Ashland: Ashland builds Gafchromic film for fast, highly accurate radiotherapy measurement, and the EBT4 grade covers the dose range from 0.2 to 10Gy. Indications published for it include IMRT, VMAT and brachytherapy. Read with Film QA Pro software, which Ashland calls the best interpreter of Gafchromic films, the film yields a complete and accurate dosimetric measurement, while instant high resolution images give the data integrity that reassures physicist and patient alike. Sheet, ballcube, AQA and XLT formats are each ordered under their own Ashland product code.
• Gafchromic CK radiotherapy films — Ashland: Gafchromic CK is the cut format Ashland publishes for patient and machine quality assurance on Cyberknife machines, Cyberknife being a third party trademark. Ashland states that all CK cut films are available in both EBT3 and EBT-XD, and it lists no order codes of its own against the CK format. Paired with the purpose built Film QA Pro software, Gafchromic film returns the most complete and accurate dosimetric measurement, and its instant high resolution images carry the data integrity physicists depend on.
• Gafchromic LD-V1 radiology films — Ashland: Radiology machine quality assurance is the published purpose of Gafchromic LD-V1, and Ashland also lists security x-ray applications, non-destructive testing (NDT) and machine quality assurance for dental equipment. The film works over a dose range of 2cGY to 20 cGY and an energy range of roughly 20keV to 200keV. Two sheet formats are published, each carrying its own Ashland product code, and LD-V1 is one of the grades offered through the Gafchromic custom cuts service.
• Gafchromic XR-CT3 radiology films — Ashland: CT scanner quality assurance is what Ashland designed Gafchromic XR-CT3 specifically to do. The strips respond over a dose range of 2cGY to 20 cGY and an energy range of roughly 20keV to 200keV, giving the fast and highly accurate measurement the Gafchromic range is built for. One published format is listed, supplied as 10cm x 1.9cm strips, 50 to a box, under product code 972416.
• Gafchromic XR-M3 radiology films — Ashland: Mammography machine quality assurance is the specific application Ashland publishes for Gafchromic XR-M3. Like the rest of the radiology grades it covers a dose range of 2cGY to 20 cGY and an energy range of roughly 20keV to 200keV. A single format is published, 6.5cm x 2.3cm strips supplied 50 to a box under product code 972417.
• Gafchromic pnt-dos device — Ashland: The pnt-dos device is the film element of the Gafchromic in-vivo dosimetry system: it is irradiated during the procedure and then read through the in-vivo dosimetry module of filmQA pro v8, letting dosimetry professionals verify that the dose was delivered as intended per device specifications. Under one inch long, half an inch wide and film thin, it reaches dose points in awkward places such as skin folds and sensitive areas around anatomy, and a light adhesive layer lets staff apply it to sloped surfaces once the plastic liner is peeled away, avoiding tape that can irritate skin. It is engineered to verify radiation doses in the low range below 80 cGy and the high range from 80 to 400 cGy. Every device carries a QR code holding serial number, expiration date and lot number, which is checked and recorded at each optical scan, and packages contain fifty measurement devices with three reference devices.
• FilmQA Pro software v8 with Gafchromic in-vivo dosimetry system — Ashland: Version 8 of filmQA pro adds a Point dosimetry module that works with the gafchromic pnt-dos device to give medical radiation professionals accurate point dosimetry across radiotherapy and diagnostic radiology, verifying the radiation as a secondary check on the primary dose calculation for quality control. Each pnt-dos device arrives individually packaged in a UVC-protected bag so environmental conditions do not affect it before or after irradiation, and its 2-D barcode is read automatically so device details drop into the analysis report without typing. A custom jig holder on the supplied flatbed scanner positions devices correctly, minimising artefacts and inconsistency, and a new auto-calibration feature allows the treatment plan film to be measured in as early as 15 minutes. The films are passive, needing no external power or cables, which keeps electronic interference out of sensitive treatment environments.
• Gafchromic custom cuts — Ashland: Ashland describes custom cuts as a service: any Gafchromic film can be cut to the size, shape and specification a department needs, arriving ready for use straight out of the box. Six cuts are currently published with their own product codes, spanning EBT3, MD-V3 and LD-V1 grades in both imperial and metric sizes. Sizes outside the published list are cut to order on request.
• Rad-Sure blood irradiation indicators — Ashland: 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.
• dose-Map blood irradiator dosimetry system — Ashland: Waiting for scheduled maintenance to reveal a failing blood irradiator can be too late, so Ashland offers dose-Map as a routine three step check that anyone able to operate a blood irradiator can carry out. The cassette arrives from Ashland, goes into the canister for a normal cycle, and is posted back for analysis. Ashland then reads the film inside and issues a report carrying a dose distribution chart and a colour-coded dose contour plot showing how absorbed dose is distributed through the canister.

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