Verasonics has developed a revolutionary ultrasound system architecture that provides researchers and developers a unique, flexible platform for ultrasound innovation across many applications.
The Vantage Research Ultrasound Platform uses proprietary hardware and software technologies to provide direct access to raw ultrasound data, while preserving the ability to perform high quality real-time imaging with custom software, at clinically useful frame rates.
The design features that make the system so capable in medical ultrasound R&D also provide significant advantages to the NDT/NDE, Geophysical and Geotechnical, and Educational disciplines as well.
- An open, software-based research ultrasound platform
- Fast software beamforming using proprietary, Pixel-Oriented Processing
- Very high frame rate imaging using plane wave transmit pulses
- Data acquisition into local memory limited by acoustic travel time, up to 100,000 frames/sec
- Extremely rapid RF signal data transfer to host computer over PCI express
- Programmable hardware triggers (input and output) for synchronizing with external devices
- Thoroughly documented, flexible and easy-to-use programming API
- Familiar MATLAB scripting environment for development of custom user algorithms and UI
- Additional software tools to facilitate control script development, analysis, and debugging
- Rapid integration of custom transducers
- A set of over 100 example control scripts (programs) for various transducers and applications
- Real-time system simulator for offline development
|Model||Transmit and receive channels|
・Vantage 256 Standard frequency configuration
・Vantage 256 High frequency configuration
・Vantage 256 Low frequency configuration
・Vantage 256 HIFU configuration
・Vantage 128 Standard frequency configuration
・Vantage 128 High frequency configuration
・Vantage 128 Low frequency configuration
・Vantage 128 HIFU configuration
・Vantage 64LE Standard frequency configuration
・Vantage 64LE High frequency configuration
・Vantage 64LE Low frequency configuration
・Vantage 64LE HIFU configuration
・Vantage 64 Standard frequency configuration
・Vantage 64 Low frequency configuration
|Center frequency||Standard frequency configuration： 0.5～20 MHz
High frequency configuration： 2～42 MHz
Low frequency configuration： 50～1500 KHz
|Time delay resolution||4.0 ns|
|Programmable pulser voltage||3～190 Vp-p|
|Tri-state drive||+high voltage, -high voltage and Ground|
|Per-channel programmable parameter||Center frequency, pulse width (pulse duty cylce), pulse length, polarity and delay|
|Per-channel transmit apodization||Using pulse width modulation|
|Max burst length||20 cycles at transmit center frequency
(without Extended Transmit option)
|Power limit, single channel||up to 100 Watts peak, 8 Watts average (into 50 Ohms)|
|Extended Transmit option||Enables pulses longer than 20 cycles (for radiation force methods and for long coded
|Arbitrary Waveform option||Per-channel programming of tri-state transition timing on a 4 ns grid (includes analog waveform design tool)|
|Frequency range||Standard frequency configuration： 0.5～27 MHz
High frequency configuration： 1～50 MHz
Low frequency configuration： 50～1500 KHz
|Programmable anti-aliasing filter cutoff||5, 10, 15, 20, 30 MHz
(High frequency configuration： 35, 50 MHz)
|A/D converters||14 bit, with programmable sample rate up
|RF filter||Two independent, user-programmable, symmetrical RF data digital filters (23 tap and 41 tap)|
|Transmit / receive clock jitter||less than 4ps RMS|
|Noise Figure||1.5 to 3.0 dB over programmable input impedance range of 115 to 3000 Ohms (for 100 Ohm probe impedance)|
|Trigger input||2 trigger inputs (optional on the Vantage 64/64LE)|
|Trigger output||1 trigger output (optional on the Vantage 64/64LE)|
|Local buffer memory for RF acquisition||64 MB/channel. Digital averaging, filtering, and decimation may be performed on data prior to transfer to host computer to improve signal to noise and reduce data bandwidth|
|RF signal accumulation||over 1000 acquisitions can be summed, with offset subtraction|
|Data transfer interface to host conputer||PCIe 3.0, 8 lane|
|Transfer rate||Up to 6.6 GB/s|
|Connector||Universal Transducer Adapter permits rapid transducer connector change.
260pin connector: support for Verasonics probes. Also compatible with most ATL HDI 1000, 1500, 3000 and 5000 transducers.
360pin connector: 256ch systems, enables compatibility with VisualSonics MS-series transducers.
408pin connector: 128 and 256ch systems, HIFU and high frequency transducers.
408pin GE connector: enables compatibility with GE transducers that use the 408 contact connector.
160-DH/32 LEMO: all Vantage systems, provides 2 Hypertronics connectors for NDT arrays, and 32 single-channel coaxial LEMO 00 connectors.
- System software includes MATLAB scripts to control Verasonics proprietary beamforming and image processing algorithms, and an extensive collection of medical ultrasound imaging example scripts for Verasonics probes and commonly available (used) ATL HDI ultrasound probes.
- Individual channel acquisition data and complex reconstruction data available in MATLAB workspace for storage and offline processing, or for custom inline processing in real-time.
- User-provided MATLAB callable functions (m-functions or compiled ‘mex’ files, including GPU code) can be executed in real-time.
- Built-in media scattering simulation software for evaluating and verifying acquisition and processing sequences; includes transmit beam visualization and script analysis tools."
- Documentation includes a Vantage system user guide, an extensive programming reference manual, and a programming tutorial.
|Extended Transmit option
||Increases the high voltage power supply’s capability to support long burst sequences up to several milliseconds. (Vantage 64LE/128/256)|
||Provides an external power supply for extended transmit operation at 1200W continuous average RF power output. Only available on the Vantage 256 and 128 systems. (Specifications available upon request)
|Arbitary Waveform Generation Package
||Permits user-defined sequences of tri-state transitions that can be programmed independently per-channel at 4 ns intervals (250 MHz clock rate). GUI-based analog waveform design tool kit included.|
|Signal Breakout Board||Printed circuit board adapter that plugs into the 260-pin system connector and provides 0.1”
headers for ribbon cable connection to custom transducers. Also includes some space for impedance matching elements. Symmetric boards for left and right connectors on dual 260-pin connector Vantage 256 system.
|Transducer Backshell Kit||Available to customers who are developing their own transducers, and/or those who want to integrate commercial transducers and have the pin-out information. Available with 0 Ohm tuning or unpopulated with pads for tuning elements.|
|Verasonics Transducers||P4-2v phased array: 64-element
C5-2v curved linear array: 128-element
L11-4v broadband linear array: 128-element
L12-3v broadband linear array: 192-element with HVMux
L22-14v broadband linear array: 128-element
Power Requirements and Physical Dimension
|Voltage||100-240 V (50-60 Hz)|
|Size(L×W×H)||49cm×28cm×48cm (data acquisiton system)
42cm×18cm×47cm (host computer)
|Total weight of all components||35-44 kg (depending on configuration)|
Modes Provided as Examples
All modes and techniques can be performed in real-time with clinically useful frame rates.
These modes can be interleaved as desired ... also in real-time.
- Conventional line mode (one focused beam transmission per scanline)
- Flash imaging (flat phase “plane-wave” imaging)
- Multi-angle flash imaging
- Overlapping beams
- Spatial compounding, frequency compounding
- Pulse inversion harmonic imaging
- Synthetic aperture, and full matrix capture (ideal) acquisition and reconstruction
- Receive-only beamforming (for photoacoustics)
- Very high frame rate acquisition using unfocused transmission
- Very high frame rate “ultrafast”color Doppler
- Conventional color flow and power Doppler
- Plane wave color flow and power Doppler
- Conventional spectral Doppler
- Vector Doppler imaging capable (example under development)
- Wide-area, multi-point spectral Doppler capable (example under development)
- Ablative HIFU transmission with interleaved imaging
Additional Modes Implemented by Users on Verasonics Systems
- ARFI - radiation force and push techniques
- Elastography Imaging (e.g., Shear Wave, ARFI)
- Cardiac strain imaging
- Low MI contrast imaging
- Photoacoustics / optoacoustics
- Radiation force targeting and displacement of kidney stones
- Speckle tracking: motion tracking, thermometry, HIFU monitoring
- Functional imaging
- Microbubble / nanoparticle imaging
- Vascular pulse wave imaging
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