Motor Drive Accessory for Profiler, SeeDOS Code 1170-3

The PROFILER Motor Drive Accessory (MDA) is designed to significantly enhance the capabilities of the basic PROFILER. This accessory allows the PROFILER™ to move through the active therapy beam. With this capability, the PROFILER™ evolves from a static linear array to a scanning array. The user obtains beam data in two dimensions.

This two dimensional data can then be displayed as 2D dose contour curves or as a three dimensional representation of the beam intensity over the entire beam area. In addition to the enhanced data presentation, the MDA allows the user to remotely manipulate the PROFILER™, obviating the need for frequent trips into the therapy vault. In fact, the MDA is pre-programmed to perform the PROFILER™ calibration routine, allowing calibration to be accomplished during a single exposure. When in use, the MDA and PROFILER™ both communicate and obtain power through a single cable.  

	Pictured is a 3-D image of a wedge that was acquired with the PROFILER™ and MDA
	Pictured is a 2-D isodose image of a wedge that was acquired with the Profiler and MDA.

Specifications:

Turntable: Belt Drive through Digital Stepper Motor

• Resolution: Nominally 0.040 degrees per motor pulse, (9000 pulses/360 degree revolution)

• Speed: Nominally 70 seconds per revolution(5.1 deg/s)

Trolley: Stepper Motor Screw Drive coupled to Trolley

• Resolution: 0.0254 mm per motor pulse.

• maximum linear shift from home: 180 mm

• Top template for cross hairs alignment

• Profiler Alignment: 4 nylon posts mating to underside holes in Profiler

Load Capacity: 30 kg (30 cm water equivalent cube build up)

Limit Switches: Optional with steel pin to break beam

MDA Control Panel:

• Power/Data connector- Connection for 25 m Profiler cable

• Control Switch- Momentary contact for remote control

• LED Indicators- Green LED's, A and B

Power: All power received through Power/Data connection to the Profiler power supply, +20 VDC

Levelling Feet: Four 1/4-20  threaded studs in plastic feet at each corner

Weight: 13.2 kg (29 lb)

Overall Dimension:

• Height: 7 in (178mm) without Profiler, 7.8 in (198mm) with Profiler

• Length: 19.5 in (495mm)

• Width: 14 in (355mm)

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