Micronor Inc., Newbury Park, CA, introduces the world’s first commercially-available MRI-safe linear position sensor system for OEM motion control applications. With 100μm resolution and 50μm accuracy, MR303 Linear Sensor is an ideal solution for medical, MRI, robotic, and industrial applications where position and speed must be precisely monitored, and electromagnetic immunity and invisibility is required. The sensor works in conjunction with the MR302-2 OEM Controller, which enables the sensor to integrate with conventional PLC controllers and servo drives.

The fiber optic linear incremental encoder system is based on an innovative optical technique in which an electrically passive, all-optical sensor and remote controller are interconnected via a duplex fiber optic link. The position sensor is immune to any electromagnetic interference, such as magnetic fields, lightning, high voltage, and radiation. Being fabricated from non-ferrous and non-metallic materials, the sensor is also completely transparent to electromagnetic fields, allowing it to be safely used in and around the MRI bore, without producing imaging artifacts. This high precision linear encoder provides the means for performance enhancements of existing MRI systems as well as enabling new MRI applications and medical devices. Applications include MRI cradle position monitoring, MRI robots, and MRI phantom training organs.

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Medical Design Briefs Magazine

This article first appeared in the September, 2015 issue of Medical Design Briefs Magazine.

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