CENNA-500W wireless gamma probe for radio guided surgery

Cenna DE

Sentinel Lymph Node Biopsy Reinvented. 

The CENNA-500W wireless gamma probe system has been developed using the latest and most innovative technology to overcome the users’ greatest challenges for successful SLNB. The intraoperative system is used for application are as such as breast cancer, head and neck cancer and melanoma.

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Designed for safety. Built for precision. 

The ergonomic 7″ touchscreen display, not only allows for optimal visibility, but also intuitive operation of all functions for best possible use:

  • Large display of current and max. count rate
  • Function to sum up the detected counts over 10 seconds
  • Choice between different isotopes
  • Battery display for control unit and handheld probe
  • Comfortable transport due to the compact design and
    the light weight of only 3kg
  • Integrated probe holder to avoid loss of the hand probe

Ready to start immediately: Handheld probe and control unit connect automatically. No initialization or calibration is necessary.

The all-rounder. The P-500SW wireless probe. 

The increased sensitivity and enormous directional characteristics allow even complexly located lymph nodes to be localized reliably and accurately.

Functional design. 

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High-quality and biocompatible materials for medical use and ergonomic design for comfortable handling.


Steady transmission of data over a distance of up to 10m and maximum protection against external interference signals and other influences.

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Durable. Reliable. User-friendly.

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Rechargeable batteries that guarantee 10 hours of use. No need to constantly reorder batteries for complete elimination of downtime. 

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Clear assignment of used hand probe to control unit – no cross-connections to other hand probes possible.

Gamma Probe System GMT-100

Intuitive Gamma Probe System with highest sensitivity and automatic quality control

Instrument GMT-100


  • High sensitivity and reaction time for an increased detection probability
  • Exact correlation between displayed count rate and acoustic signal, for a full focus on the examined area 
  • Powered by lithium accumulators (up to 7 h) or by power supply
  • Detailed display of the battery status in percent with charging information 
  • Automatic change between used nuclides 
  • No calibrations necessary, ready for immediate use


  • Ergonomic 7” TFT touchscreen display with white LED background for high contrast
  • Light weight of 3,5 kg for comfortable transportation
  • Antibacterial handle for effective cleaning
  • Special housing design to achieve easy disinfection 
  • Probe holder and cable rewind
  • High quality manufacturing

User Interface

  • Clearly arranged and well-assigned buttons for intuitive operation 
  • Easy-to-understand displayed information 
  • Simple menu navigation using three main pages: Home, Quality Control and Service

Probe P-100S

With the Gamma Probe P-100S, you benefit from the built-in photomultiplier, which increases the sensitivity and amplification of even the weakest marked lymph nodes. This leads to an improved probability of detection in comparison to common probes with photodiodes and semiconductors.

  • Perfect side shielding of 99.97 % for error-free detection of radiation sources
  • Excellent spatial resolution of marked lymph nodes of 12 mm
  • The complete probe is made of biocompatible surgical stainless steel.
  • Ergonomic design with an outer diameter of 15 mm for optimized handling
  • Removable collimators for simplified sterilization
  • Standard 40° collimator, which can be easily exchanged with other collimators (20°, 60°)

GMT-100 Accessoires

Co-57 test source

For quality control we recommend the Co-57 gamma source with a nominal activity of 185 kBq and a diameter of 25mm. A suitable test source holder is already included in the scope of delivery of the GMT-100 system*.

*Manufacturer: Eckert & Ziegler

Intraoperative probe cover

The sterile cover ensures maximum protection for the user, the patient and the probe. With dimensions of 13 x 244 cm, easy handling is guaranteed without compromising the functionality of the probe. 

We offer a demo of it at your place:
Tel.: +49 228 2406 6725

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