The Navigator™ GPS system is used in a sentinel node mapping procedure.

The system is designed and manufactured by RMD Instruments Corp of Watertown, MA. 
The Navigator system is RMD's most popular system.

INSTANT ON - TURN POWER ON

1. DISPLAY shows the event rate in counts per second.
2. Audible signal starts in most sensitive range - X1 - to indicate changes in low event rates.
3. The RMD probes (see opposite page) have a stable and common gain across all probe models:
4. No calibration of probe to control unit is required before use.
5. Control Unit circuitry powers up immediately. No delay by a computer boot sequence.
6. NEW!· Isotope Indicator. Four are located inside display window. One illuminates.
   Provides visual confirmation of user-selected position of rear-panel ISOTOPE Control. Set-up is easier.
   Isotope Indicator helps ensure that system is configured properly for a procedure.

Navigator Brochure

Navigator's Probes

Navigator Gamma PET Probe

Navigator's 12 mm Probe

RMD Probes Technical