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3D Guidance® Sensors

Five different 6DOF sensor options support flexible integration into numerous OEM medical instruments and tracking applications.

Sensors Come Fully Assembled and Ready for Use

3D Guidance® sensors come in many sizes, from a larger reference sensor that consists of an 8 mm square cross-section, to a 0.56 mm diameter cylindrical sensor for use in the smallest tools. This variety supports OEM integration into diverse medical instruments such as ultrasound probes, catheters, epidural and biopsy needles, and more. Only 6DOF sensors are available; however, they are re-usable.

The 3D Guidance electronics unit can simultaneously track up to four sensors and supports interchangeable sensor sizes. 3D Guidance sensors come pre-wired with connectors and pre-characterized for immediate use; no assembly is required.

With the 3D Guidance solution, the sensor dictates the size of the measurement volume, whereby the larger the sensor, the larger the measurement volume. (This differs from our Aurora solution, in which the field generator determines the size of the measurement volume.) The 3D Guidance solution maintains a standard positional accuracy of 1.4 mm RMS and orientation 0.5° RMS, regardless of the sensor or transmitter that is used.

3D Guidance 6DOF Sensors

ImageSpecificationsDescription
3DG Model 55 Sensor3D Guidance Model 55 Sensor
Dimensions: ø0.56 mm x 12 mm length
Cable: ø3.8 mm x 2.5 m length		Our smallest diameter sensor, which embeds into very small diameter tools. This sensor has the shortest tracking range.
3DG Model 90 Sensor3D Guidance Model 90 Sensor
Dimensions: ø0.9 mm x 7.25 mm length
Cable: ø0.6 mm x 3.3 m length		Our most versatile small sensor; its sub-millimetre size supports use with many OEM medical instruments, while still providing an adequate tracking range. 
3DG Model 130 Sensor3D Guidance Model 130 Sensor
Dimensions: ø1.5 mm x 7.7 mm length
Cable: ø1.2 mm x 3.3 m length		Our general-purpose sensor, which provides a good balance between sensor size, durability, and tracking range.
3DG Model 180 Sensor3D Guidance Model 180 Sensor
Dimensions: ø2.0 mm x 9.9 mm length
Cable: ø1.2 mm x 3.3 m length		Our most cost-effective sensor, which provides the best value in terms of sensor size, tracking range, and price.
3DG Model 800 Sensor3D Guidance Model 800 Sensor
Dimensions: 7.9 mm x 8 mm x 19.8 mm
Cable: ø3.8 mm x 3.3 m length		Our largest, and most robust sensor, which is commonly used as a reference sensor. This sensor has the longest tracking range.
How EM Works 3DG Needle

Learn how Sensors work as part of Electromagnetic Tracking Technology

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Request your complete guide

Learn more about each 3D Guidance components and their performance capabilities in the 16-page brochure.

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Legal Disclaimer
NDI tracking and measurement products are general metrology components that can be integrated into customer products, research experiments, and/or as components of medical devices that require precision measurement and tracking. While NDI components and technology can be integrated into original equipment manufacturer (OEM) medical devices, they are not specifically intended for a given application and, as such, have not been developed or manufactured in accordance with medical device standards. It remains the responsibility of the OEM customer or end-user to determine and test the suitability of NDI components and technology for their intended use, including performing any required ethics approval, verification, and validation required to demonstrate suitability and compliance. System-level testing, certification, and validation are the responsibility of the original equipment manufacturer or the applicable end-user and should be completed prior to the use of NDI products or technologies in any application.

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