BSD-2000 3D Deep Regional Hyperthermia

Deep Regional system using an annular phased array configuration to shape and focus
thermal energy on targeted treatment using Sigma Eye Wave Guide.

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BSD-2000 with Sigma 60 Applicator

Three-Dimensional Hyperthermia Permits Superior Targeting and Optimal Results

The BSD-2000/3D provides targeted deep regional therapeutic hyperthermia to solid tumors by applying radiofrequency (RF) energy. The BSD-2000/3D delivers energy to a patient using a power source and an array of multiple antennae that surround the patient’s body. The twenty-four dipole antennas of the Sigma Eye maximize the 3D energy convergence at the targeted treatment location.

The BSD-2000/3D was designed to provide an optimized heating zone targeted to the tumor region by utilizing the adjustment of frequency, phase, and amplitude from multiple power sources. Dynamic 3D control and steering of the heating pattern size, shape, depth and position provides optimized heating since the electromagnetic energy can be targeted specifically at the tumor region. The focus is not fixed at the center of the applicator, providing the system operator with significantly more freedom in positioning the applicator's heating region. The BSD 2000/3D hyperthermia system is designed particularly for treating tumors in hard-to-reach locations. This model is currently sold outside of the U.S.

How is 3D Hyperthermia Applied?

The targeted treatment area of the patient's body is enclosed by an eye-shaped applicator. Phase and amplitude steering is utilized to create the heating focus within the applicator. The 3D technology utilizes 24 dipole antennas of the Sigma Eye driven by 12 RF power channels to optimize the targeted heating. The 24 dipoles are arranged in three rings of eight antennas each. By varying the phase and amplitude of each of the 12 input channels, the operator can enhance the heating in the tumor and reduce the heating in non-target tissues.

  • Applicators
  • Patient Support System
  • Control System
  • Power Generator
  • Thermometry

Sigma 60

sigma 60

Sigma Elipse

sigma elipse

Computer System

2000 console

Annular Phased 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.

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.

Quick Drain Capability

Quick drain capability allows fast access to the patient – 15 seconds for patient access and 30 seconds for a complete drain.

Sigma System

Interchangeable phased array applicators to support different patient sizes.

Intuitive Interface

User friendly, intuitive, color graphics interface.
Step-by-step guide for setup and treatment procedure.

Automatic Monitoring

Closed-loop feedback system provides automatic monitoring and control of treatment parameters, including power output, frequency, amplitude and phase, tissue temperatures, core temperature, and treatment time.

Temperature Control

Control of power and tissue temperature to within ±0.1°C.
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 safety

Independent Phase & Amplitude

Solid-state amplifier with 4-channel independent phase and amplitude adjustment capability

500 watts per Channel

Maximum power output of 0 to 500 watts per channel. Phase accuracy within a 10 degree tolerance.

Controlled Phase Offset

Computer automatically monitors and controls forward and reflected power, phase, and power on each channel.

Treatment Planning Software

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.

Automated 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.

Real-time MR Image Guided

The BSD-2000 3D and 3D/MRI (non-US) employs real-time MR image guided non-invasive thermometry using proton resonance frequency shift measurements, accurate within ±0.5˚C.
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