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The VHA Radiotherapy Bolus product is a device that will be placed on the skin of a patient as a radiotherapy accessory intended to help control the radiation dose received by the patient. VHA Radiotherapy Boluses are designed by radiation therapy professionals for a unique patient and are intended to modify the shape of a beam from a radiation therapy source. The VHA Radiotherapy Bolus product must be verified and approved by the radiation therapy professional prior to use on a patient. The VHA Radiotherapy Bolus is intended for patients of all ages receiving radiotherapy treatment. VHA Radiotherapy Bolus was evaluated using 6 MV photons and 9MeV electrons but has not been assessed for use with protons or at orthovoltage X-rays.

Boluses are used in external beam radiation therapy (EBRT) to change the depth of the radiation dose delivered, thereby overcoming the skin-sparing effect. Using clinical treatment planning software (TPS) and clinical expertise, a radiotherapy clinician designs the bolus to conform with the patient anatomy. The bolus is produced using additive manufacturing in a soft elastomeric material to conform to the patient's skin. The bolus is placed on the patient and verified for fit and acceptance to the clinical treatment plan prior to initiating treatment.

The 3D Systems VSP® Bolus product is a device that will be placed on the skin of a patient as a radiotherapy accessory intended to help control the radiation dose received by the patient. VSP Bolus is generated using input from radiation therapy professionals and medical imaging data to produce a bolus that is specific to the patient being treated. The VSP Bolus product is verified and approved by the radiation therapy professional prior to use on the patient, and is intended for patients of all ages receiving radiotherapy treatment. VSP Bolus was evaluated using 6 MV photons but has not been assessed for use with protons. electrons, or at orthovoltage X-rays.

Boluses are used in external beam radiation therapy (EBRT) to change the depth of the radiation dose delivery to overcome the skin-sparing effect. The bolus is generated in accordance with a clinical treatment plan. The patient-specific bolus conforms to the patient anatomy to reduces airgaps for complex patient contours. The bolus is produced with additive manufacturing in a soft elastomeric material to conform to the patient's skin. The bolus is placed on the patient and verified for fit and accordance to the treatment plan prior to a radiation dose delivery to the patient.

.decimal's Aperture manufacturing service manufactures the ring and solid core apertures for intensity modulation of external beam proton radiation therapy. The apertures are designed by the customer's treatment planning system to block radiation from hitting critical structures and healthy tissue while guiding the radiation to the targeted area.

The .decimal Proton Aperture is a Brass Core encased in a reusable steel ring (or material with similar attenuating properties) with a 2D hole cut from it, which defines the area that is to be treated with a proton beam. The design for a .decimal Proton Aperture is generated out of a customer's treatment planning system (TPS) or physician's specifications and is unique to each patient. The device functions as a beam shaping block. The apertures are inserted into the gantry's snout to shape and focus the beam as it exits the gantry en route to the targeted area. As radiation is passed through the gantry, the beam passes through aperture and it will be blocked. The opening of the aperture where there is no brass, the radiation will pass through targeted area defined by the radiation therapy professional.

The Cura Compensator is a solid, machine-shaped acrylic block intended to attenuate external radiation beam and block radiation from hitting critical structures and healthy tissue while allowing the radiation dose to the targeted area. The Cura Compensator may be used as an accessory whenever external beam radiation therapy is indicated for the treatment of patients with localized tumors or other conditions susceptible to treatment by radiation.

Cura Compensators are custom beam blocks with machined cutout to allow beam passage per prescription and sized to attenuate and block all remaining beam in the radiation field. The Compensator is made of acrylic or wax with notch to match radiation machine manufacturer use specifications. No software is included in this device.

The Cura Collimator is a solid, machine-shaped brass aperture intended to shape an external radiation beam to block radiation from hitting critical structures and healthy tissue while guiding the radiation to the targeted area. The Cura Collimator may be used as an accessory whenever external beam radiation therapy is indicated for the treatment of patients with localized tumors or other conditions susceptible to treatment by radition.

Cura Collimators are custom beam blocks with machined cutout to allow beam passage per prescription and sized to snugly fit the applicator or nozzle and block all remaining beam in the radiation therapy fraction delivery. The Collimator is made of high lead content brass with notch orientation to match radiation manufacturer use specifications. No software is included in this device.

.decimal's Photon Block manufacturing service manufactures Photon Blocks for external beam photon radiation therapy. The Photon Block is designed by the customer's treatment planning system or physician specifications to block radiation from hitting critical structures and healthy tissue while guiding the radiation to the targeted area. Photon Blocks are intended for use by healthcare professionals. In IMRT therapy for cancer, a photon beam is aimed at the cancerous tissue using a linear accelerator. The linear accelerator is rotated around the patient while the patient lies on a treatment table; the linear accelerator consists of the gantry, which rotates around the patient. The gantry contains a collimator, which points at pre-determined positions to maximize efficiency and dose delivery to the tumor volume. Each gantry angle, or "port", requires custom-made, beam modifying, patient specific devices called: Photon Block. The Photon Block is inserted into the gantry's collimator to shape and focus the beam as it exits the gantry en route to the targeted area. The photon block is also called a cerrobend block, which defines the area that is to be treated with the photon beam. Photon Blocks are generated out of the treatment planning system or physician's specifications and are unique to each patient and each gantry angle.

The .decimal Photon Block is a Cerrobend block (or material with similar attenuating properties) with a 2D pattern/hole made from it, which defines the area that is to be treated with a photon beam. The design for a .decimal Photon Block is generated out of a customer's treatment planning system (TPS) or physician's specifications and is unique to each patient. The device functions as a beam shaping block. The block fits into a customer's linear accelerator. As radiation is passed through the collimator, the beam passes through cerrobend and it will be blocked the opening of the photon block where there is no ccrrobend, the radiation will pass through targeted area defined by the radiation therapy professional.

Apex is an add-on microMLC system. It is an accessory to the linear accelerator used for radiation therapy and it is intended to shape the X-ray field both in static (fixed) or dynamic mode with rotating gantry as a function of the gantry angle. It is provided to assist the radiation oncologist to deliver radiation to the target tissue while sparing the surrounding normal tissues.

This Traditional 510(k) describes modifications made to the add-on DMLC accessory for the Elekta range of digital linear accelerators. The primary reason for these enhancements is to improve the leaf resolution - Apex 11 has a reduced leaf width of 2.5mm and increased field size. The add-on MLC Apel M consist of a 112 leaves individually controlled and monitored having a 2.5mm thickness at the isocenter and a field size of 120 mm x 140 mm.

The Oncology Tech precision milled brass/aluminum compensators with tungsten fillings in the compensator walls are used for modulation of beam intensity during radiation therapy.

The Oncology Tech Mod1T Compensators for Radiation Beam Therapy are used for modulation of beam intensity during radiation therapy. Typically, a brass or aluminum round is used as a basis for the compensator. It is placed into the milling machine and worked into precise X, Y and Z dimensions. The new design of Oncology Tech Mod1T compensators mills out the compensator brass or aluminum walls and adds a high density material. The higher density of the fill material in the compensator walls provides for more attenuation and less radiation transmission at the field edges.

Bolus Compensators are used by radiation therapy professionals for the treatment of cancer patients. They are designed by radiation therapy professionals for a unique patient and are intended to modify the shape of a beam from a radiation therapy source. Each Bolus Compensator must be validated and approved by the radiation therapy professional prior to use on a patient.

.decimal's Bolus Compensator manufacturing service manufactures the solid Bolus Compensators for intensity modulation of external beam radiation therapy. The Bolus Compensators are designed by the customer's treatment planning system to block radiation from hitting critical structures and healthy tissue while guiding the radiation to the targeted area.