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The CyberKnife system is a radiation therapy device manufactured by Accuray. The system is used to deliver radiosurgery for the treatment of benign tumors, malignant tumors and other medical conditions.

Device

The device consists of a small linear accelerator attached to a robotic arm, along with an integrated image guidance system. During treatment, the image guidance system captures 3D images, tracks the movement of tumors, and guides the robotic arm to accurately aim the treatment beam at the moving tumor.

The system is designed for stereotactic radiosurgery (SRS) and stereotactic body radiation therapy (SBRT). The system is also used for select 3D conformal radiotherapy (3D-CRT) and intensity modulated radiation therapy (IMRT).

History

The development of the system began in 1989 with contributions from John R. Adler, a surgeon at Stanford University, and Peter and Russell Schonberg of Schonberg Radiation Corporation. This work expanded upon earlier efforts in the 1980s to adapt standard linear accelerators for radiosurgery. The inaugural CyberKnife system was installed at Stanford University in 1991, receiving clearance for clinical investigation by the U.S. Food and Drug Administration (FDA) in 1994. Following extensive clinical research, the FDA granted approval for the treatment of intracranial tumors in 1999 and for tumors throughout the body in 2001. Subsequently, Accuray has introduced seven CyberKnife System models, including the CyberKnife G3 System (2005), CyberKnife G4 System (2007), CyberKnife VSI System (2009), CyberKnife M6 System (2012), and CyberKnife S7 System (2020).

Clinical application

The system is used to treat tumors of the pancreas, liver, prostate, spine, cancer of the throat and brain, and benign tumors.

See also

• Image-guided radiation therapy
• Horsley–Clarke apparatus
• Gamma knife
• Robotic surgery

References

1. "Radiosurgery/Cyberknife". Stanford School of Medicine. Archived from the original on 3 September 2007. Retrieved 8 February 2019.
2. Cho, Byungchul; Poulsen, Per Rugaard; Keall, Paul J (21 June 2010). "Real-time tumor tracking using sequential kV imaging combined with respiratory monitoring: a general framework applicable to commonly used IGRT systems". Physics in Medicine and Biology. 55 (12): 3299–3316. Bibcode:2010PMB....55.3299C. doi:10.1088/0031-9155/55/12/003. PMC 2974817. PMID 20484777.
3. Solberg, T D; Siddon, R L; Kavanagh, B (2012). "Historical Development of Stereotactic Ablative Radiotherapy". Stereotactic body radiation therapy. Berlin Heidelberg: Springer. doi:10.1007/174_2012_540. ISBN 978-3-642-25604-2.

External links

• Accuray Inc.

Further reading

• Kilby, W; et al. (2010). "The CyberKnife® Robotic Radiosurgery System in 2010". TCRT. 9 (5): 433–452. doi:10.1177/153303461000900502. PMID 20815415.
• Principles and Practice of Stereotactic Radiosurgery, Lawrence Chin, MD and William Regine, MD, Editors (2008)

• Radiation therapy procedures
• Neurosurgery
• Surgical robots
• Robots of the United States
• 1990 robots