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Brass Mesh Bolus, Off-White, 50cm x 50cm

Brass Mesh Bolus, Off-White, 50cm x 50cm
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Brass Mesh Bolus, Off-White, 50cm x 50cm


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Brass Mesh Bolus, Off-White, 50cm x 50cm

Vision RT Compatible


The Off-White Brass Mesh Bolus is identical to that of the regular brass mesh bolus except it has been treated with a high temperature enamel paint to limit reflection when using surface tracking systems such as Vision RT or C-Rad.

Brass mesh bolus can be used for post-mastectomy chest walls using 4MV and 6MV photons.

When placing Brass Mesh over the breasts and there is a gap is between breast, use a piece of double stick tape between the breasts to secure the brass mesh down. Either side of the material can be placed over the patient, however using the smooth side of the brass mesh bolus towards the patient will provide a better surface for the tape to adhere to and will be more comfortable for the patient.

When wrapping the brass mesh bolus around the sides of a chest wall, use a product such as Spandage (Items 674-308 through 674-312), gauze or Clear Plastic Wrap (Item 119-750) to hold the brass mesh against the skin to prevent hanging gaps.

If you are using 15MV or higher energy beam, there might be neutron activation which may increase the skin dose and/or give dose to the hands of the therapist who handles the bolus.  Some Patients have had skin reactions.  See papers "Skin dose effects of post mastectomy chest wall ect.” and “ Dosimetric assessment of brass mesh bolus for postmastectomy photon radiotherapy”.

If deemed necessary, Brass Mesh Bolus can be trimmed to smaller sizes using Tin Snips (Item # 878-738).  Protective eyewear should be worn while cutting this material.  While trimming, be sure to only cut the small connecting rings of the material, and not the pieces with the flat sides.  After cutting, be sure to remove all ring fragments from the material.  If cut incorrectly, there may be jagged edges that could cut the skin or cause clinging with the material.  Inspect thoroughly before use. 

The Brass Mesh Bolus is reusable, but must be cleaned, and sterilized or disinfected before each use. 

Note: To prevent corrosion, do not sterilize this product with bleach or other cleaning agents that contain chlorine.


Material: Copper alloy (93.75% Copper, 6% Tin, 0.25% Zinc,  8.82g/cm³)
Size: 50cm x 50cm
Brass Mesh Bolus Thickness: 1.5mm (.060") with hollow centers
Tissue Equivalent Thickness: 2.0 mm to 3.0 mm
Paint: Off-White High Temperature Enamel
Weight: 1 lb. (.44kg)

Related Readings

Richmond, N. D., Daniel, J. M., Whitbourn, J. R., & Greenhalgh, A. D. (2016). Dosimetric characteristics of brass mesh as bolus under megavoltage photon irradiation. In The British Journal of Radiology (Vol. 89, Issue 1059, p. 20150796). British Institute of Radiology.

Healy, E., Anderson, S., Cui, J., Beckett, L., Chen, A. M., Perks, J., Stern, R., & Mayadev, J. (2013). Skin dose effects of postmastectomy chest wall radiation therapy using brass mesh as an alternative to tissue equivalent bolus. In Practical Radiation Oncology (Vol. 3, Issue 2, pp. e45–e53). Elsevier BV.


Limited Warranty Product

Radiation Products Design‘s Brass Mesh Bolus should be handled with care due to its delicate structure.  RPD carefully inspects and interleaves each sheet with tissue paper to ensure product is fully functional.  Tissue paper will prevent links from entanglement.  If material does become entangled, use caution to carefully unhook entangled links.  Do not tear apart as links will be removed creating a hole in material.

Vision RT is unable to comment on, nor make claims, about the Dosimetric properties or clinical effectiveness of the bolus itself or patient alignment reproducibility when using the bolus;

Compatibility is subject to users following your guidelines for usage of this bolus with Vision RT’s SGRT system, and subject to users following Vision RT’s guidelines for drawing Regions of Interest for use in Breast treatments;

The bolus vendor is responsible for ensuring that users are in receipt of guidelines for using bolus in conjunction with Vision RT’s SGRT system.  Vision RT is not liable for misuse of bolus;

Vision RT makes no comment on, and is not liable for, suitability or otherwise usage of bolus for Breast or any other procedure;

Purchasers are responsible for making their own choices as to the bolus selected by them.



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