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©2012 Optivus Proton Therapy, Inc.
Optivus Proton Therapy, Inc. • PO Box 608 • Loma Linda, CA 92354
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Optivus: Proton therapy pioneers 1996-2010
1996, digital imaging was used for the first time at the JMSPTRC. This technology permitted more-rapid verification of patient positioning and set-ups. The 2,000th patient was treated during 1996.

1997, the 3,000th patient was treated, and radio-biological research, for both medical and space-travel applications, began in the new laboratory facilities. A NASA upgrade and a new beam transport system were emplaced at the JMSPTRC.

1998, the Department of Radiation Medicine reported treating 100 patients with protons and 100 patients with photon beams in a single day. Optivus reported a 98.5% uptime for their proton therapy system at JMSPTRC.

1999, Optivus upgraded its ion accelerator.

2000, Optivus created beam scanning on the new Conforma 3000 treatment system. Optivus gained FDA approval for the Conforma 3000, the fastest, most precise, and most environmentally friendly proton therapy system. That same year, Optivus completed a PBTD control upgrade at the JMSPTRC. The 5,000th patient was treated at JMSPTRC.
2001, JMSPTRC radiation oncologists were treating 140 patients daily with proton beams. Optivus installed beam energy/intensity performance enhancements at the JMSPTRC.

2002, the number of patients being treated daily with protons at JMSPTRC reached 150, and by late summer of that year, the 7,500th patient had been treated.

2003 the Conforma 3000 had an accelerator control update.

2004, a successful active (scanning) proton beam was tested, and a flat-panel digital capability installation occurred at the JMSPTRC.

2005, the 10,000th patient was treated at the JMSPTRC.

2008, 13,500th patient treated at the JMSPTRC.

2009, 14,000th patient treated at the JMSPTRC.

2010, 20th Anniversary of the opening of the Proton Center at Loma Linda University Medical Center. Optivus installed Image Guided Proton Therapy, which includes a new robotic Precision Patient Alignment System (PPAS) in gantry one at the JMSPTRC. 15,000th patient treated at the JMSPTRC.
The James M. Slater, MD, Proton Treatment and Research Center (JMSPTRC) in Loma Linda, California, using Optivus’ proton therapy systems, has treated more than 15,000 patients, delivering a half-million individual treatments with a perfect safety record. Optivus commissioned the proton facility when it opened, continued to maintain the system, and over the years developed improvements and new technology according to clinical specifications laid down by the facility’s physicians and physicists. Optivus continues that task to this day.

​Milestones