By Vvon Engineering Team | Published | Updated
Plan compatible masks, supports, indexing and records for head-and-neck radiotherapy, with fitting and clinical review led by qualified staff.
Medical equipment RFQ checklist (TXT)
Head-and-neck immobilisation needs a reproducible setup from CT simulation to treatment, with compatible equipment and clear records. Mask fit, positioning accessories and changes in the patient’s condition all require review by the treating radiotherapy team.
This guide helps departments specify the equipment and documentation around that workflow. It is not a patient-fitting protocol: trained radiotherapy staff must follow the manufacturer’s instructions and the department’s validated clinical procedure.
Check the complete indexing chain: couch, baseplate, headrest, mask and accessories. Record the arrangement and verify that simulation and treatment setups are compatible.
Carbon-fibre baseplates can offer stiffness and low attenuation, but dosimetric and imaging properties depend on the complete configuration. Compare a Meicen A-series baseplate with the intended masks, couch interfaces and accessories, and have the physics team evaluate any effect on imaging or treatment.
Three variables, and each has a real trade off.
Head-only and head-neck-shoulder designs provide different coverage. The treating team should select coverage and positioning aids for the target region, patient needs and verification method; a longer mask alone does not ensure lower-neck reproducibility.
Thickness, reinforcement, perforation and material behaviour all affect handling and immobilisation. Meicen lists multiple thicknesses and configurations by product code. Request the exact option and let the clinical team assess fit, comfort and performance rather than assigning a thickness solely from treatment intent.
Open-face options may improve tolerance for some patients, and Meicen describes them as intended to alleviate claustrophobic symptoms. They do not guarantee treatment completion or equivalent performance in every setup. Confirm compatibility and the department’s positioning-verification method.
For stereotactic treatments, select a complete immobilisation and verification system assessed for the clinical technique. Material shrinkage is one factor among frame compatibility, fit, imaging and motion management; a product name or coating claim is not proof of stereotactic accuracy.
The department should maintain a written, manufacturer-compatible fitting procedure. Procurement and commissioning should make the following steps possible.
Set documented action levels for setup variation and changes in fit or anatomy. Visible looseness, damage, repeated large corrections or patient discomfort should trigger the defined clinical review; a website checklist cannot decide when a patient requires re-scanning or replanning.
Plan consumable stock by frame family, size and clinically required options, considering expiry, storage and replenishment. Identify single-patient-use requirements from the product instructions and avoid assuming one mask type suits every referral.
Store unmoulded sheets flat, dry and away from heat. In a humid climate, keep them in their packaging until use and keep the store away from an outside wall that gets afternoon sun. Vacuum cushions, if the department uses them for body sites, need their own check: a cushion that has lost vacuum overnight has lost its shape, and it should be tested before a patient is positioned on it rather than after.
Manufacturer reference for the listed mask family: Meicen L-type mask configurations and compatibility statement.
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