--- title: "Akesis Gemini 360 Adaptive Radiotherapy Technology | 5D Cancer Services" description: "Learn about the Akesis Gemini 360, the first and only adaptive radiotherapy machine in Utah. Re-images and recalculates your treatment plan at every session for precise cancer treatment in as few as 5 days." canonical: https://www.5dcancerservices.com/technology route: /technology type: page lastUpdated: 2026-06-09 keywords: ["adaptive radiotherapy", "Akesis Gemini 360", "5D Cancer Services", "St. George Utah", "radiation oncology", "MedicalDevice", "FDA cleared", "SBRT", "image guided radiation"] --- # Akesis Gemini 360 Adaptive Radiotherapy Technology | 5D Cancer Services > Learn about the Akesis Gemini 360, the first and only adaptive radiotherapy machine in Utah. Re-images and recalculates your treatment plan at every session for precise cancer treatment in as few as 5 days. - HomeTechnologyAdaptive RTClinical DataConditionsInsuranceOur TeamFAQ (435) 900-7060Please do not send Protected Health Information (PHI) by email or voicemail. Standard email is not secure — call us and we will arrange a secure channel.Home - TechnologyQuick summaryThe Akesis Gemini 360 is the only adaptive radiotherapy system in Utah. It re-images and re-plans every session in 3D, so most cancer treatments finish in 5 sessions instead of 20–45. The system is FDA-cleared and operated by board-certified radiation oncologists at 5D Cancer Services in St. George. - FDA-cleared adaptive linear accelerator (Akesis Gemini 360) - Daily 3D imaging and online plan adaptation at every session - Sub-millimeter targeting accuracy - Most cancer courses finish in as few as 5 sessions - Only Gemini 360 system installed in Utah - Operated by board-certified radiation oncologistsLast reviewed: 2026-05-12 Our Technology # The Akesis Gemini 360 The only adaptive radiotherapy machine in Utah. It doesn't just deliver radiation. It sees, adapts, and responds to your cancer in real time. At [5D Cancer Services](/) in St. George, Utah, we use this technology to deliver treatments that are more precise, more efficient, and produce fewer side effects than conventional radiation — often in as few as 5 sessions. Why Adaptive Matters ## Because cancer doesn't sit still Tumors change shape, shift position, and shrink during treatment. A plan created on day one may not match reality on day five. Conventional radiation machines treat based on a static plan — delivering radiation to where the tumor was, not where it is. The Gemini 360 solves this by re-imaging and recalculating your treatment plan at every single session. 99% of radiation machines cannot adapt They deliver based on a static plan made before treatment begins, regardless of how the tumor changes. 0.3mm isocenter targeting accuracy About the width of three human hairs — precision that maximizes tumor dose while sparing healthy tissue. 5 sessions for many cancers Compared to 20–45 treatments over 5–9 weeks with conventional radiation therapy. Your Treatment Journey ## How a treatment session works Each session follows the same adaptive process — from imaging to delivery, everything is optimized for your cancer that day. Step 01 ### Consultation & Planning Our physicians and staff review your diagnosis, imaging, and pathology to determine if adaptive radiotherapy is right for you. A personalized treatment plan is created based on your specific cancer type and location. Step 02 ### Real-Time 3D Imaging Before each session, the Gemini 360 captures a full 3D image of your tumor using cone-beam CT (CBCT) and kV/kV imaging. This shows exactly where the tumor is today — not where it was last week. Step 03 ### Plan Adaptation The system automatically compares today's image to the original plan and recalculates the treatment in real time. If your tumor has shifted, shrunk, or changed shape, the plan adapts accordingly. Step 04 ### Precision Delivery Radiation is delivered with 0.3mm isocenter accuracy — about the width of three human hairs. The system targets your tumor precisely while sparing surrounding healthy tissue. Step 05 ### Treatment Complete Many cancers are treated in as few as 5 sessions over one week, compared to 20–45 treatments over 5–9 weeks with conventional radiation. Most patients continue normal activities throughout treatment. Technical Specifications ## Built for precision The Gemini 360 pairs a high-energy LINAC with onboard CBCT imaging in a single ring gantry — enabling adaptive treatments like dose painting, grid irradiation, and simultaneous multi-target therapy. 0.3mm Isocenter Accuracy Sub-millimeter targeting precision 1400 cGy/min Maximum Dose Rate Faster delivery, shorter sessions 40 x 40 cm Field Size Treats small brain tumors to large complex cancers CBCT + kV/kV Imaging Real-time 3D imaging before every session Automated Tracking Skull tracking with less than 1mm accuracy [Download Gemini 360 Brochure (PDF)](/gemini360-brochure.pdf) Workflow ## Online vs offline adaptive Adaptive radiotherapy comes in two flavors. The Gemini360RT delivers online adaptive treatment — your plan is recalculated against today's anatomy, on the couch, before the beam fires. ### Offline adaptive Replan between sessions After one or more fractions, the team reviews recent imaging, redesigns the plan offline, and treats the patient on the new plan at a later visit. It improves on a static plan, but it cannot react to today's anatomy. ### Online adaptive — what we deliver Replan at the moment of treatment The Gemini360RT acquires a CBCT in treatment position, the system recalculates the plan against today's anatomy, the physician approves the adapted plan, and treatment is delivered — all in one visit, before you get up. ### AI-assisted contouring & replanning What makes online adaptation practical is automation. Deep-learning models propose tumor and organ contours on the daily CBCT in seconds, the system recalculates dose against today's anatomy in minutes, and independent QA runs in the background. The physician reviews and approves — but the team no longer needs to start a fresh plan from scratch every fraction. That is how the Gemini360RT compresses what used to take hours into a single, on-couch session. [Read the full evidence-based explainer](/adaptive-radiotherapy) See the difference ## Traditional vs. Adaptive Radiotherapy Here's how the Akesis Gemini 360 compares to conventional radiation treatment. ### 0 treatments Traditional max ### 0 sessions Adaptive minimum ### 0x faster Time to complete FeatureTraditionalAdaptive Treatment sessions20–45 treatmentsAs few as 5 sessions Treatment duration5–9 weeks1 week or less Real-time 3D imagingCBCT + kV/kV imaging Automated tumor trackingSkull tracking with ≤1mm accuracy Adapts to tumor changes Targeting precisionStandard margins0.3mm isocenter accuracy Side effectsMore commonSignificantly reduced FDA Cleared Technology ## Safe, proven, and FDA cleared. We understand that trusting a new treatment approach is a big decision. The Akesis Gemini 360 has received both FDA 510(k) clearance and Premarket Approval, along with FDA Breakthrough Device Designation. It has been thoroughly reviewed and authorized by the U.S. Food and Drug Administration for safety and effectiveness. This isn't experimental. It's the next generation of radiation treatment, and it's here now. #### What does FDA clearance mean? FDA 510(k) clearance means the device has been reviewed by the FDA and determined to be substantially equivalent to other legally marketed devices. It must meet safety standards, performance benchmarks, and quality controls before it can be used to treat patients. [Explore the clinical data](/clinical-data) ### FDA 510(k) Clearance & Premarket Approval The Akesis Gemini 360 has received both U.S. FDA 510(k) clearance and Premarket Approval, meeting the most rigorous safety and effectiveness standards required for medical devices in the United States. ### FDA Breakthrough Device Designation The Gemini 360 earned FDA Breakthrough Device Designation — a status reserved for technologies that offer significant advantages over existing treatments for life-threatening conditions. ### First U.S. patient treated December 2025 The first U.S. patient was treated with the Gemini 360 on December 16, 2025, at Advanced Radiation Centers of New York in Lake Success, NY — marking a new era in integrated radiotherapy. ### Board-certified team Every treatment is planned and supervised by our physicians and staff — board-certified radiation oncology professionals with over 30 years of combined clinical experience. ## Conditions treated with adaptive radiotherapy The Gemini 360's large 40x40 cm field and adaptive workflow make it effective for a wide range of cancers and benign conditions. [Prostate Cancer](/conditions/prostate-cancer) [Breast Cancer](/conditions/breast-cancer) [Lung Cancer](/conditions/lung-cancer) [Brain Cancer](/conditions/brain-cancer) [Liver Cancer](/conditions/liver-cancer) [Pancreatic Cancer](/conditions/pancreatic-cancer) [Gynecologic Cancer](/conditions/gynecologic-cancer) [Dupuytren's Contracture](/conditions/dupuytrens-contracture) [Plantar Fasciitis](/conditions/plantar-fasciitis) [Keloids](/conditions/keloids) [View all conditions we treat](/conditions) ## Learn More [### What Is Adaptive Radiotherapy? An evidence-based explainer on online vs offline adaptation, CT/CBCT/MRI imaging trade-offs, and the published outcomes behind hypofractionation. Learn more](/adaptive-radiotherapy) [### Gemini 360 vs. Traditional Linac How the Gemini 360 differs from a conventional linear accelerator on imaging, adaptation, and patient experience. Learn more](/compare/gemini360-vs-traditional-linac) [### Adaptive vs. Conventional Radiation Side-by-side comparison of adaptive radiotherapy and conventional, statically-planned radiation. Learn more](/compare/adaptive-vs-conventional-radiotherapy) [### Conditions We Treat See the full range of cancers and benign conditions treated with adaptive radiotherapy at 5D Cancer Services. Learn more](/conditions) [### Clinical Data & Case Studies Real-world implementation evidence and case studies from adaptive radiotherapy across multiple disease sites. Learn more](/clinical-data) Take the next step ## There is no time for cancer. You deserve the most advanced care available. Schedule a consultation with our physicians and staff today to discuss your treatment options. 1308 E 900 South, Unit B, St. George, UT 84790 [Call (435) 900-7060](tel:+14359007060)[Request Consultation](https://www.5dcancerservices.com) Please do not send Protected Health Information (PHI) by email or voicemail. Standard email is not secure — call us and we will arrange a secure channel. Bringing the most advanced Adaptive Radiotherapy to Southern Utah. No time for cancer. [TikTok](https://www.tiktok.com/@5dcancerservices?lang=en)[LinkedIn](https://www.linkedin.com/in/5d-cancer-services-corporate-bb7990404/)[Facebook](https://www.facebook.com/profile.php?id=61567576677128)[YouTube](https://www.youtube.com/channel/UCO2OmZiBQ4zXfms6XsboNPQ) #### Navigation - Technology - What Is Adaptive RT? - Clinical Data - Our Team - Conditions - Insurance - FAQ - Blog - Email UsPlease do not send Protected Health Information (PHI) by email or voicemail. Standard email is not secure — call us and we will arrange a secure channel. #### Resources - Sitemap (XML) - llms.txt - llms-full.txt - Site Index (Markdown) - Blog RSS Feed #### Contact Us 1308 E 900 South, Unit B St. George, UT 84790 [www.5dcancerservices.com](https://www.5dcancerservices.com) [(435) 900-7060 Schedule a consultation](tel:+14359007060)Please do not send Protected Health Information (PHI) by email or voicemail. Standard email is not secure — call us and we will arrange a secure channel. The information on this site is for general educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. © 2026 5D Cancer Services. All rights reserved. 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