Q-ri - HDR Brachytherapy – Precision Inside, Confidence Outside
Q-ri is an advanced HDR brachytherapy afterloader system designed for precision, safety, and adaptability. With state-of-the-art engineering and a patient-centric approach, Q-ri empowers clinicians to deliver highly targeted radiation therapy with confidence, control, and consistency.
Advancing HDR Brachytherapy with Confidence
Q-ri supports a wide range of brachytherapy procedures, enabling clinicians to deliver accurate dose placement while maintaining the highest standards of safety. Its intelligent design and robust safety architecture make it a reliable partner for modern radiation oncology centers.
With flexible treatment capabilities and secure radiation delivery, Q-ri ensures confidence inside the treatment room and reassurance outside.
Applications
Q-ri is designed to support multiple HDR brachytherapy techniques, including:
Intracavitary Brachytherapy
Interstitial Brachytherapy
Intraluminal Brachytherapy
Surface Mould Brachytherapy
24-channel system supporting multi-catheter treatments
Automatic and secure channel switching
Up to 100 dwell points per channel across 600 mm
Backward stepping source for controlled dosing
Flexible transfer tube for safe source movement
Remote afterloading with emergency source retraction
Integrated Radiation detector for Real time Source Monitoring
Digital interlock mechanisms for enhanced procedural safety
±30° rotation and 0–300 mm height adjustment
LED indicators for source and dummy movement tracking
Transit dose correction for improved treatment accuracy
Safety & Quality
Q-ri is engineered with multiple layers of protection to safeguard patients, clinicians, and equipment while ensuring precise and reliable treatment delivery. A built-in radiation detector enables immediate emergency source retraction, supported by audible and visual alarms for enhanced system safety. The system includes an emergency well container for secure radioactive source housing and automatically saves treatment logs and QA data for traceability and compliance. Comprehensive interlock mechanisms cover battery, LMOS, door, source, and emergency functions, while a dedicated battery backup ensures safe source retraction during power failures. Additionally, the Camscale system, featuring a high-resolution internal camera, provides real-time verification of source and dummy wire positioning, reinforcing confidence and control throughout every procedure.
Control Console & Software – Complete Control. Total Assurance.
The Q-ri control console is designed for intuitive operation while maintaining the highest standards of safety and reliability. An emergency stop switch allows immediate procedure halt when required, while real-time monitoring provides continuous visibility of source position, dwell time, and overall treatment progress. Secure authentication ensures only authorized users can initiate treatment, and daily configurable source decay calculations support accurate dose delivery. Automatic database backup further safeguards clinical data, ensuring continuity, traceability, and peace of mind for clinicians.
Accessories
Q-ri comes with a comprehensive set of standard and optional accessories to support efficient and safe clinical operation:
Standard Accessories
- Emergency well container
- Channel adaptors
- Applicators for ICBT, ISBT, and ILBT
- Bunker live video monitoring camera system
- Intercom system
Optional Accessories
- Status light
- Well chamber for source calibration
Precision Inside. Confidence Outside.
Q-ri combines advanced HDR brachytherapy technology with uncompromising safety and reliability—helping clinicians deliver precise treatments while ensuring peace of mind for patients and staff alike.