Enhancing patient safety and precision for treatments on Halcyon®, Ethos™ and (coming soon) Radixact® linear accelerators
Visibility Inside the Bore
Shadowing inside the bore during radiotherapy treatments can make accurate patient monitoring challenging, potentially impacting treatment precision¹.
AlignRT InBore combines the benefits of ceiling-mounted AlignRT cameras for patient setup with a dual camera system mounted on a ring within the bore. This helps maintain full visibility of the tracking region through setup, imaging and treatment.
Published clinical data shows:
5% faster total treatment time²
Accurate and reproducible DIBH³
High accuracy for setup and monitoring⁴
Published data from UCSD demonstrates that using AlignRT for setup can reduce treatment times, reduce repeat imaging and improve patient position accuracy by reducing residual rotational errors.²
- 50% reduction in the number of fractions requiring setup correction and additional imaging fields².
Hear from users on their clinical experiences:
“AlignRT InBore guided breath-hold provides reliable intra-fraction motion control with appropriate margins for whole breast and abdominal lymphoma patients.”
Xinran Zhong, PhD, DABR, University of Texas Southwestern
“Setup is a lot faster than what it used to be.”
Gail Anastasi, Principal Radiotherapy Physicist, Royal Surrey Cancer Centre
What our customers say
“We know patients can be really tense when you’re setting them up for treatment. Prior to SGRT we would chase shifts, and not take into account that patients relax and re-adjust after set-up. We couldn’t always measure if our patients moved a millimeter or a degree. Now, with AlignRT InBore monitoring the patients inside the bore, we know if they moved. That alone should make you want a system like this.”
Michelle Physic, RT(T) Director of Radiation Therapy, Dana-Farber Cancer Institute/Brigham Cancer Center
Frequently Asked Questions
Yes, through Varian’s Verification and Validation Process, AlignRT InBore is compatible with Halcyon versions 2.0, 3.0, 3.1, and 4.0 and Ethos versions 1.0 and 2.0.
AlignRT InBore for Radixact is currently in development, with commercial availability expected in late 2025, depending on the territory and when the associated regulatory clearance is obtained. Vision RT is working with Accuracy to ensure the compatibility and connectivity of AlignRT InBore for Radixact.
Varian is currently developing an interface to connect motion management technology with Halcyon and Ethos Radiotherapy Systems. This architecture, similar to MMI on TrueBeam, is expected to be released soon. Once the interface specification is available, Vision RT will have access through Varian’s Interoperability program.
- Jadhav A, Gupte A, Dandekar PR, Rasal S, Awate O, Dhoundiyal M. (2025). Ensuring Clinical Readiness: Commissioning, Acceptance and Performance Testing of Closed Bore Linear Accelerator Compatible Surface Guided Radiotherapy System. J Med Phys. 2025 Jan-Mar;50(1):148-154.
- Flores-Martinez, E., et al. (2020). Assessment of the use of different imaging and delivery techniques for cranial treatments on the Halcyon linac. J Appl Clin Med Phys. 2020 Jan;21(1):53-61.
- Lorchel, F., Nguyen, D., et al. (2022). Reproducibility of Deep-Inspiration Breath Hold treatments on HalcyonTM performed using the first clinical version of AlignRT InBoreTM: Results of CYBORE study. Clinical and Translational Radiation Oncology, 35, pp.90–96.
- Oku, Y., et al. (2023). Characteristics of detection accuracy of the patient setup using InBore optical patient positioning system. Radiol Phys Technol. 2023 Dec;16(4):532-542.
Radixact® is a registered trademark of Accuray. Halcyon® & Ethos™ are registered trademarks of Siemens Healthineers. The use of Halcyon® & Ethos™ herein is for identification purposes only. Use of these marks does not indicate sponsorship, affiliation, endorsement, or approval by Siemens.
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Vision RT’s family of SGRT solutions guide radiation therapy for better patient care at every step: Sim, Planning, Treatment and Dose. Whether you’re looking for a quote, a product demo (virtual or in-person) or just more information, please get in touch.