Radiotherapy

Folding gold anchor design with zero in-treatment migration across 795 patients and 45+ peer-reviewed publications.

Pre-treatment patient-specific QA phantom for IMRT, VMAT and SBRT — the most widely installed QA system worldwide.

3-axis Cartesian water phantom for linac commissioning and annual QA. Four peer-reviewed anchor citations: Akino 2014 (JACMP · lowest 0.08 % inter-variability across 4 tanks), Saenz 2016 (IJCTO · mechanical cross-comparison), Das 2008 (AAPM TG-106 · framework), Narayanasamy 2016 (JACMP · Elekta Versa HD FFF commissioning).

Daily linac QA — 8-chamber ion-chamber array covering all photon + electron energies + FFF up to 2400 MU/min in one cable-free setup. Four peer-reviewed anchor citations: Chan 2015 (IJMPCERO · 5-year Trilogy trending · +0.25 %/month drift), Ma 2021 (JACMP · EPID vs BeamChecker Plus on 6 MV FFF · ±1.1 % agreement), Han 2021 (PLoS One · ion-chamber-array uncertainty budget) and Barnes 2016 (JACMP · vendor MPC benchmark).

Reference-grade electrometer for TG-51 / TG-51 addendum photon + electron reference dosimetry and IAEA TRS-398 absorbed-dose determination. Four peer-reviewed anchor citations: McEwen 2014 (Med Phys · photon addendum), Renaud 2024 (Med Phys · Report 385 electron addendum), McCaw 2017 (JACMP · protocol comparison), Kawashima 2023 (JACMP · P_elec self-inspection).

End-to-end stereotactic QA phantom for SRS / SRT / SBRT commissioning + annual QA. Four peer-reviewed anchor citations: Sarkar 2016 (J Radiosurg SBRT · Lucy 3D vs StereoPHAN head-to-head), Halvorsen 2017 (JACMP · AAPM MPPG 9.a practice guideline · 72-hour E2E-phantom requirement), Lim 2022 (JACMP · film vs diode-array E2E QA · γ 94-100 %) and Brown 2022 (JACMP · MLC SRS commissioning criteria · < 1 mm Winston-Lutz + ± 5 % dose + γ > 90 %).

Anthropomorphic phantom — refined RANDO design, ICRU-44 tissue equivalence, TLD / OSL / MOSFET / ion-chamber compatible.

6DoF head positioning for bore-class linacs — pitch / roll / yaw ±4.0° each; closes the SRS rotational gap without a robotic couch.

Saxsons own-brand fixed laser positioning — accelerator / cobalt / simulator / CT-sim iso-centre indication. Semiconductor red 635 nm Class II.

Saxsons own-brand movable laser positioning — 1 / 3 / 5-axis configurations on linear guide rails with closed-loop feedback. DICOM RT compatible.

Modular positioning baseplate family — head/neck/shoulder, thorax, pelvis, breast, full-body + MR-linac variants. Five peer-reviewed anchor citations: Olch 2014 (Med Phys · AAPM TG-176 · 2-4 % baseplate perturbation), Cuccia 2021 (Rad Oncol · MR-Linac positioning · < 1 mm systematic error), Wang 2016 (JACMP · H&N SRT immobilisation · 2.7 → 0.0 mm), Laaksomaa 2024 (Rep Pract Oncol Radiother · multicenter breast DIBH · 150 patients / 2 269 image pairs) and Yan 2013 (JACMP · automatic patient-safety system).

Thermoplastic immobilisation mask family — H&N S-Frame + full-face cranial/SRS + body shell. Five anchor citations: You 2024 (JACMP), Mail 2024 (J Biol Methods), AAPM TG-176, Mangesius 2019 (SRS intrafractional 6D), Cuccia 2021 (MR-linac hybrid).

Vacuum-bag immobilisation for SBRT, H&N IMRT, lung, abdomen, pelvis and whole-body. AAPM TG-101 / TG-178 framework.

Ten-component SBRT immobilisation — couch-indexed platform + belly / knee / wing bridges + T-vacuum cushion + carbon-fibre headrest. AAPM TG-101.

Wing-Board T-Grip, supine + prone breast boards, prone belly cushion. DIBH heart-sparing, breast IMRT, lung tangential. AAPM TG-66.