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Clearsight Bolus - 1.15 cm T x 40 cm sq (Qty. 1)

Clearsight Bolus - 1.15 cm T x 40 cm sq (Qty. 1)
Item Number :
486-230

Clearsight Bolus - 1.15 cm T x 40 cm sq (Qty. 1)

Details

Clearsight Bolus - 1.15 cm T x 40 cm sq (Qty. 1)

 

A common challenge with other manufacturers’ bolus solutions is that their mustard-yellow color can make it difficult to see tattoos, positioning lasers, and air gaps through the material - particularly in dark treatment rooms. IOS’s new ClearSight Bolus is crystal clear enabling faster, easier setups than traditional bolus materials.

 

Transparent
• 100% transparent
• Easy to visualize tattoos, lasers and air gaps
• Able to be layered for custom thickness and retain transparency

 

Practical
• No gooey center like other bolus materials
• Able to be cut with scissors
• No need to wrap with plastic
• Sticks to itself, but not permanently

 

Reusable
• “Semi sticky” surface inherent to material
• Does not yellow under prolonged radiation exposure
• Retains stickiness after washing and drying

 

The Clearsight Bolus is a highly transparent polymer gel designed as a radiotherapy bolus material. Due to the density being slightly less than water the bolus is manufactured in sheets that are slightly thicker than the intended water equivalent thickness, The “water equivalent” thickness is the product of physical thickness
and bolus / water density ratio. “Water equivalent” thickness should be utilized when electron density is not accounted for in the dose calculation.

Due to unique challenges in manufacturing thinner sheets, the 3mm water equivalent sheets have slightly different makeup from the thicker (5mm+) sheets. Thus, many results are reported separately for 3mm sheets.

 

Storage & Care
Store flat (not folded) in original packaging in a cool, dry environment. Paper & other oil absorbing materials may become stained with prolonged contact & alter bolus transparency. If needed, gently wash with soap & water. Rinse thoroughly with water to remove residue & air dry fully. Do not attempt to clean if there are visible cracks or tears on the surface.


Technical Specifications
• Ratio of Zeff for ClearSight and water throughout clinical range: 0.761 ± 0.02
• Surface dose underneath ClearSight v. other popular Water Equivalent bolus products: -0.9% ± 2.3% for photons, 0.49 ± 1.8% for electrons.
• Change in photon and e- depth dose curves between ClearSight and water: negligible

 

Bolus thickness to “water equivalent” thickness

0.34 cm thick bolus is equivalent to 0.3 cm water
0.57 cm thick bolus is equivalent to 0.5 cm water
1.15 cm thick bolus is equivalent to 1.0 cm water
Product is non-sterile.

 


Documents
  • 486-2TAB_Paper
    Water Equivalence and Clinical Dosimetry for Clearsight Bolus March 2020 IOS

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