OSL specialises in radiotherapy, oncology and urology.

We both manufacture and distribute an extensive range of medical devices from state-of-the-art medical imaging software, thermoplastic masks, patient positioning accessories, contouring and planning software, prostate fusion biopsy and automated cancer diagnosis software, intra-operative breast radiotherapy, to medical physics devices and advanced software for QA and dosimetry.

ImSimQA, OSL’s unique software using virtual phantoms for QA of deformable image registration, and much more.

ProSoma, The UK’s leading advanced virtual simulation software for 3D & 4D planning, clinical breast simulation and much more.

ProSomaCORE, The first Monte Carlo independent plan check and dose calc available as an upgrade to your ProSoma software, or stand alone.


Patient positioning

DSPS Cover Photo - home page 175PX

Patient positioning and immobilisation products for optimal patient access during radiation therapy treatment and diagnostics procedures while enhancing patient comfort.

Dosimetry / QA


Radiotherapy treatment, planning, and medical imaging devices for quality assurance, testing and measurement to aid medical physicists ensure accuracy and safety.

Imaging & planning


Advanced, state of the art radiation oncology imaging systems and radiotherapy planning tools. Oncology Systems Limited's imaging and planning systems include: ProSoma, ProSoma Core, and ImSimQA



OSL is pleased to offer a range of products for Urology including BiopSee and Watson Elementary.

Radiotherapy IGRT Image Fusion QA Indexing IMRT Patient Positioning Virtual simulation In-vivo Cancer treatment Oncology Radiation Therapy Medical physics 4D SRT Radiology Phantoms EPID Dosimetry Rotational QA Dose Calc software Dosimetry Check Prosoma 4D BluePhantom DICOM Contour deformable / elastic image registration patient transit dose system multi modality image fusion oncology imaging systems atlas based segmentation auto-contouring ImSimQA OnQ rts radiation therapy SBRT SABR

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