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The SV-7021 fiber optic glasses are the most sophisticated binocular visual system in the world. The all glass and plastic construction of the glasses means they are MR inert, so they can be used on any magnet, at any field strength, without noise or artifacts. Independent 3-axis mounting of each eyepiece provides mounting flexibility and ensures a stable optical base. Built-in refractive correction makes it easy to accommodate all patients.

A GUI interface for color balance and an electronic shutter feature provide the tools you need for the most sophisticated visual presentation. Add the Real Eye™ eye monitoring system to enable simultaneous visual presentation and eye tracking.
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  • Overview
  • Technical Specifications



The SV-7021 is an MR-inert, binocular visual system designed for MR use. The 7021 system accepts dual, independent XVGA inputs (1024x768) or NTSC/PAL video inputs (400 x 600) using the optional VGA converters.

The heart of the system is a pair of fiber optic glasses. These MR-inert glasses are supported over the patient’s eyes by a 3-axis mount attached to the head coil; the mount provides independent adjustment of each eyepiece for easy binocular fusion. The glasses also feature built-in refractive correction.

The glasses are linked via a pair of fiber optic image guides to a projector, typically located at the front of the magnet. A video interface/power supply located in the control room relays the video drive signal to the projector over a fiber optic link to ensure EMI immunity. DC power is supplied over a hard-wired cable that passes through a filter on the penetration panel. The projector is mounted on a mobile cart that can be easily moved, either for maintenance or to another location. A cooling system located in the equipment room ensures long-term reliability.

The SV-7021 is supplied with In-Control™ software, which features GUI accessible color calibration and an electronic shutter feature to support the most demanding applications.

The SV-7021 system can be combined with the RE-4601/4621 eye monitoring system to enable simultaneous visual presentation and eye tracking for one or two eyes.

Components
Video Interface with dual video input channels; dual channel color XVGA LCD Projector; dual Image Guides, binocular Glasses; Glasses Mount; Cooling System including control cable and polyethylene tubing; DC power and fiber optic cables; RF filter; and Projector Consolidation Cart.

Physical
Video Interface, 7.5” H x 17.0” W x 15.25 D”, 38 lbs.; Projector, 14.0” H (max) x 10.0” W x 15” D (max), 35 lbs; Cooler, 16”H x 10”W x15”D, 35lbs; Image Guides, 12.5’, 1.3 lbs.; Binocular Glasses, 27 mm H x 82 mm / W x 260 mm L, 298g.

Video Inputs
VESA compatible XVGA (1024x768), 60 Hz.

Visual/Optical
Field of View (FOV) 30 degrees horizontal x 23 degrees vertical (nominal); Focus +/- 6 diopters; Interpupillary Distance (IPD), 3-axis mount, 1.52” (min) to 3.0” max; Resolution (Projector LCD) 1024H x 763V. Fiber optics; 10 micron fibers arranged in a 5 x 5 multi-fiber bundle; approx. fiber count 530H x 400V.

Electrical
100-110 VAC / 50-60 HZ, FST 7.5 Amps; 220 VAC / 50 Hz FST 2.5 Amps.

Cabling
Power Cable, 2 shielded twisted pairs, 200’ (max); Fiber optic video cable (ST connectors), 200’ (max); Cooler control cable, 4 shielded twisted pairs, 100’ (typical); 3-wire grounded power cord, 7 feet.

Colors
Housings / Glasses: pearl white, charcoal gray accents.


NEED SYSTEM DIAGRAMS HERE.
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