Aloka - SSD-4000
Manufactured by Aloka

A Platform for Pure Harmonic Detection

The ProSound SSD-4000 utilizes the most advanced acoustic technologies available today, and its multidisciplinary technology architecture enables it to offer great versatility and flexibility over a wide range of clinical applications.      
With its new-generation, front-end technology including a 12-bit A/D converter, the ProSound SSD-4000 offers superior contrast resolution—especially when compared to 10-bit systems.      
An intelligent digital beam former supports PixelFocus™, providing precision spatial resolution down to the pixel level for improved visualization of clinical detail.      
The SSD-4000 utilizes newly developed Wide-band Super High-Density (W-SHD) transducers optimized for digital imaging.      
The system also employs a Pure Harmonic Detection (PureHD) feature to create exceptionally clear images—artifact free and with a higher signal-to-noise ratio. This is especially useful when scanning traditionally difficult-to-scan patients (e.g., the aged or the obese).      
The PureHD technology enables distortion-free fundamental frequency transmission as well, which makes harmonic images much clearer. This maximizes the affect of both the Tissue and the Contrast harmonic echo by providing excellent contrast and spatial resolution.



18 days ago
Error message about Tx voltage
Hallo, i have e problem about SSD 4000; when the equipment start compare on the Monitor display this error message: "Power for ulrasound transmission was shut off as the system detected abnormal drive voltage. Please reboot the system." If i don't connect any probe the display image is Ok, when i connect any probe a error message compare! I make a Flash Rom update whit Foppy disk but nothing change. Have you a suggestion, please. Thank you.Reply


a month ago
Aloka ssd 4000 needs a service manual, it starts but doesnt initialize all hardware. the cMOS battery was down adn after replacing, we couldnt get it to fuilly work againReply


6 months ago
Operating System & Installation
Hello, I am installing this machine for the first time, but i don't understand the operating system to install and the entire process. Could you please guide me on how to do it? I also need the product manual.Reply
Be the first to submit a preventive maintenance post about this equipment


    The SSD-4000 PureHD system uses key features of the Aloka ProSound Series, including:      
  1. Quint Frequency Imaging allows up to five different frequency settings for a single transducer.      
  2. Harmonic Echo is a technology that utilizes second harmonics, which include much less side lobe artifact and noise. This also helps the imaging of difficult to exam patients, such as the aged or the obese.      
  3. An integrated DICOM-compatible image management provided by Aloka's Data Management Subsystem (iDMS) that includes DICOM work-list capability.      
  4. Dual Dynamic Display (DDD) simultaneously displays two B-mode images (with and without color flow) to easily show the relationship between the morphological information and the blood flow of the region of interest.      
  5. Multi Beam Processing offers exceptionally high frame rates for optimal performance in studies requiring dynamic imaging of patient morphology. The SSD-4000 can provide a frame rate as high as 500 frames/second or more (transducer dependent). Even with the general abdominal transducer UST-9123, a frame rate up to 286 frames/second is possible.      
  6. Real-time Free Angular M-Mode technology provides superior imaging regardless of positioning. It makes the exam fast and accurate, while providing exceptional image quality.      


Cart Based1
Clinical ApplicationsColorectal
Color-flow Mapping1
Doppler ModesColor, Continuous wave (CW), Pulsed wave (PW), High pulse repetition frequency (HPRF)
Height49 cm
Image Display15 in Color CRT
Imaging Capabilities3D
Length 86 cm
Weight150 kg
Width131 cm

Additional Specifications

Beamformer type:Digital      
Number of Channels:256

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