Authorised Indian Distributor
Saxsons Group
New Delhi, India · Since 1997
Saxsons Moving Laser Positioning SystemMotorised Red 635 nm — ±0.2 mm · DICOM 3.0/RT Integration
Saxsons own-brand movable laser positioning system for precise patient positioning in radiotherapy. Red 635 nm Class II laser source, ±0.2 mm accuracy, line width < 1 mm at 3–5 m. Available in one-axis, three-axis or five-axis movement configurations driven by exactitude linear guide rails with linear-coding closed-loop feedback. Control via computer, WiFi or manual control box. DICOM 3.0/RT compatible — virtual iso-centres flow from any standard TPS straight to the laser positioning. Designed and manufactured in India by Saxsons Healthcare Pvt. Ltd.
Key Features
- Designed and manufactured in India by Saxsons Healthcare Pvt. Ltd. — Saxsons own-brand movable laser system
- Red 635 nm Class II laser source — high-brightness operation under typical clinical lighting
- Line width < 1 mm at 3–5 m projection distance — sharp, narrow line at the patient surface
- Positioning accuracy ±0.2 mm — five-fold tighter than the AAPM TG-142 stereotactic-class default
- Movement configurations: one-axis, three-axis or five-axis — match the configuration to the room geometry and clinical workflow
All Features
- Designed and manufactured in India by Saxsons Healthcare Pvt. Ltd. — Saxsons own-brand movable laser system
- Red 635 nm Class II laser source — high-brightness operation under typical clinical lighting
- Line width < 1 mm at 3–5 m projection distance — sharp, narrow line at the patient surface
- Positioning accuracy ±0.2 mm — five-fold tighter than the AAPM TG-142 stereotactic-class default
- Movement configurations: one-axis, three-axis or five-axis — match the configuration to the room geometry and clinical workflow
- Exactitude linear guide rails with linear coding closed-loop feedback — the motorised drive arrives at commanded coordinates within the ±0.2 mm tolerance every time
- Three control modes: computer (workstation), WiFi (tablet / wireless terminal) or manual control box (physical pendant)
- Compatible with all DICOM 3.0/RT treatment planning systems — virtual iso-centres flow from the TPS straight to the laser positioning system
- Friendly operator interface — minimal training required for radiation-therapist routine use
- Suitable for CT-simulator patient marking, virtual iso-centre tattooing and treatment-vault patient setup
- Operates from standard mains power (220–240 V AC, 50 Hz) — typical Indian-clinic power profile
- CDSCO medical-device import registration supplied — the laser is a passive Class II red-laser accessory; no AERB licence is required for the device itself (the linac facility carries its own AERB licence separately)
- Commissioning service available — Saxsons installation team aligns the laser system against the CT-simulator iso-centre and provides the acceptance-test documentation
- Annual position-reproducibility verification service available
Technical Specifications
| Manufacturer | Saxsons Healthcare Pvt. Ltd. (designed and manufactured in India) |
| Laser source | Semiconductor laser, 635 nm red, Class II |
| Line width | < 1 mm at 3–5 m projection distance |
| Positioning accuracy | ±0.2 mm |
| Movement configurations | One-axis, three-axis or five-axis (configurable to room geometry) |
| Drive mechanism | Exactitude linear guide rails with linear coding closed-loop feedback control |
| Control modes | Computer (workstation) · WiFi (tablet / wireless terminal) · manual control box (physical pendant) |
| TPS integration | Compatible with all DICOM 3.0/RT treatment planning systems |
| Intended use | CT-simulator patient marking; virtual iso-centre tattooing; treatment-vault patient setup |
| Power supply | 220–240 V AC, 50 Hz; typical Indian clinical mains |
| Compliance framework | AAPM TG-142 / TG-179 patient-positioning laser expectations; the laser QA record feeds the linac-facility QA dossier reviewed at the annual AERB linac-facility inspection |
| Regulatory status (India) | Passive Class II red-laser accessory; imported under CDSCO Medical Devices Rules 2017 — no AERB licence needed for the device itself |
| Services included | Saxsons installation + commissioning + acceptance-test paperwork; optional annual position-reproducibility-verification visit |
Applications
Motorised DICOM-driven positioning — TPS to patient skin
DICOM 3.0/RT TPS workflow
The treatment planning system exports the virtual iso-centre in DICOM RT. The moving laser system reads the DICOM coordinates and drives directly to the planned position — no manual coordinate entry, no transcription error.
CT-simulator patient marking
Radiation therapist loads the TPS plan, presses go, watches the lasers drive to the planned iso-centre on the patient surface, marks the patient. The ±0.2 mm reproducibility means the same marks land in the same place every time.
Virtual iso-centre tattooing
Many plans use a virtual iso-centre offset from the patient surface. The 3- or 5-axis configuration positions the cross-hair at any offset point; tattoo the patient at that exact location.
Five-axis SBRT setup
Stereotactic body radiotherapy plans often use complex multi-axis iso-centres. The five-axis configuration handles non-orthogonal coordinate systems without requiring patient re-orientation on the couch.
Re-simulation mid-treatment
Patient anatomy changes (weight loss, oedema, gas filling) often require re-simulation. The moving system marks the new iso-centre without requiring physical adjustment of fixed lasers in the room.
Multi-modality CT-sim
A CT-sim room used for both megavoltage planning and brachytherapy planning needs flexible laser positioning. The same system serves both workflows — different iso-centre locations driven from the same control interface.
Why Saxsons Moving Laser Positioning System?
±0.2 mm accuracy is five times tighter than the AAPM TG-142 stereotactic-class 1 mm threshold. Same patient marked the same way twice ends up in the same place within ±0.2 mm. The reproducibility that virtual iso-centre tattooing absolutely requires, and that SBRT / SRS planning workflows depend on.
The treatment planning system exports the virtual iso-centre in DICOM RT. The moving laser system reads the DICOM coordinates directly — no manual coordinate entry by the radiation therapist. The transcription-error class of failure is eliminated by removing the transcription.
A single-axis system for routine patient marking; a three-axis for standard radiotherapy workflows; a five-axis for stereotactic and complex-anatomy treatments. The same Saxsons engineering scales from the basic CT-sim to the SBRT-capable theranostic suite.
Catalogs & Resources
Saxsons own-brand product reference. Contact Saxsons for installation scheduling, commissioning, CDSCO medical-device import documentation and India service support.
Saxsons own-brand · Variant brochure
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Saxsons Moving Laser Positioning
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Saxsons own-brand DICOM-driven movable lasers for your CT-simulator
Contact Saxsons Healthcare Pvt. Ltd. on +91 11 4077 6666 or saxsons@saxsons.com for movable laser positioning system supply, axis configuration, installation, commissioning and annual reproducibility verification across India.