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About Math Resolutions, LLC

In 1973, Wendel Dean Renner developed an external beam program that could form a 3D model of a patient from multiple contours and calculate the dose in transverse and coronal planes from multiple irregular fields. The use was limited to experimental studies without whole body CT and the availability of large powerful computers.

In 1985 Mr. Renner developed a three dimensional treatment planning system for the purpose of achieving intensity modulation with compensating filters. Another goal was the ability to simulate on the computer any setup that was achieved on the simulator, and to provide the ability to design the treatment plan from a three dimensional model of the patient, enabling the design of plans that were otherwise not possible. Computer power and CT technology had advanced to make these goals achieveable. A three dimensional treatment planning programming was developed and in clinical use by the end of 1987. This effort resulted in several papers, one of them being "An Algorithm for Design of Beam Compensators", Int. J. Radiation Oncology Biol. Physics, Vol. 17, No. 1, July 1989, pp. 227-234, by WD Renner, et.al.. In 1988 there was a need for three dimensional volume optimization in the design of treatments using Nucletron's Selectron machine. The development effort resulted in a computer program and paper: "An Algorithm for Generation of Implant Plans for High Dose Rate Irradiators." Medical Physics, Vol. 17, No. 1, Jan/Feb 1990, pp. 35-40, by WD Renner, et.al..

The program set was completed with other implant programs and an irregular field program. In January of 1990 FDA clearance was obtained to market the complete treatment planning system which was named Renner Plan as the program was made available to other interested centers. In May of 1993 the name was changed to Render-Plan 3-D. This system was shown at several annual meetings of the AAPM and ASTRO.

At the end of 1993 Elekta expressed interest in marketing Render-Plan 3-D and they formed a company call Precision Therapy Int. to do so. Render-Plan 3D was sold to Elekta. We then formed Math Resolutions, LLC, and we are now introducing the products we have subsequently developed.

In reviewing the needs of radiation therapy we came to realize that quality control of ever more complex treatment technologies needed to be addressed before developing yet more complex treatment regimens. Further, a foundation product with image display, outlining tools, and image fusion was first needed before other specific applications could be developed. For this reason we developed System 2100, a general purpose radiological image display system, to be used in any radiological science. We received FDA clearance for this product in December of 1999. We then added the program, Dosimetry Check, to solve the quality control problems created by the insertion of ever more complex devices into the treatment beam in radiation therapy. This product can be used to quality control routine as well as complex treatment plans.

We are currently working on providing an IMRT solution in radiation therapy for centers that do not have a multi-leaf accelerator. We have FDA clearance to market a program that will drive end milling machines to make filters that can be inserted into the treatment beam that will modify the intensity distribution over the area of the beam for fixed fields.

We have developed forward optimized planning to achieve aperture based IMRT by mixing predefined apertures at the same beam position.

We would be interested in hearing from our customers their needs in the radiological sciences that we may be able to address in the future.

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