The Sigma Treatment Base Unit
- RF power delivery subsystem.
- Proprietary, thermistor-based, thermometry subsystems.
- Computerized monitoring and control subs
Sigma Ellipse
Sigma 60
Sigma 30
Annular Phase Array
The Sigma applicators are annular phased array applicators that are comprised of a clear plastic shell, 8 radiating dipoles, and a bolus membrane. The Sigma Ellipse provides improved comfort for smaller-sized patients.
ystems.
- Applicator subsystem that includes an applicator and patient support system.
- Various accessories, including a tissue equivalent QA lamp phantom that provides verification of the energy focus, pattern steering, and system operations.
The standard BSD-2000 has a maximum power output of 1300 watts. Currently sold throughout the U.S., Europe and Asia. And in the U.S. only under FDA sanctioned device exemption.
Cooling System
Water system automatically fills the bolus and controls the bolus water temperature. This keeps patient exterior at comfortable temperature range.
Fabric Sling
Fabric sling comfortably supports patient inside the applicator for optimized patient comfort. Hydraulic lift system used for optimal positioning
Quick Drain Bolus
Quick drain capability allows fast access to the patient – 15 seconds for patient access and 30 seconds for a complete drain.
Sigma System
Three Interchangeable phased array applicators to support different patient sizes and indication specific applications.
Intuitive Interface
Full featured, user friendly, intuitive, graphical user interface. Touch screen with step-by-step guide for setup and treatment procedure. Primary user features presented on main screen.
Monitoring
Closed-loop feedback system with automatic monitoring and control of treatment parameters, including power output, frequency, amplitude & phase, tissue & core temp., and treatment time.
Temp. Control
Control of power and tissue temperature to within ±0.1°C. in compliance with ESHO guidelines. Data regarding temperatures, RF power level, and RF power control updated every 2 seconds.
Safety Checks
The computer automatically performs safety checks to ensure proper operation of the system and ensure patient protections with auto shutdown features.
Phase & Amplitude
Solid-state amplifier with 4-channel independent phase and amplitude adjustment capability
500W per Channel
Maximum power output of 0 to 500 watts per channel. Phase accuracy within a 10 degree tolerance.
Phase Offset
Computer automatically monitors and controls forward and reflected power, phase, and power on each channel.
Treatment Plan
Optimized treatment settings are calculated through the use of treatment planning software tools provided with the system.
High Accuracy
Non-perturbing, electromagnetically insensitive, temperature sensors with an accuracy of ±0.2°C over a range of 25 to 52°C.
Auto Positioning
Automated positioning system allows the operator to map the sensor along the length of the catheter in order to determine the temperature profile.
Precise Calibration
Precise calibration reference sensor is accurate to ±0.05°C over a range of 0 to 60°C. New Thermal well for easy pre-treatment calibration.
Probe Mapping
Motorized probe mapping allows for the mapping of temperature in .5cm increments allong catheter path.
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