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 '3D Ultrasound' 
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Result : Searchterm '3D Ultrasound' found in 1 term [] and 13 definitions [], (+ 7 Boolean[] results)
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3D UltrasoundInfoSheet: - Modes - 
Intro, 
Overview, 
Types of, 
etc.MRI Resource Directory:<br> - 3d UltraSound -
 
In 3D ultrasound (US) several 2D images are acquired by moving the probe across the body surface or rotating inserted probes. 3D-mode uses the same basic concept of a 2D ultrasound but rather than take the image from a single angle, the sonographer takes a volume image. The volume image that is displayed on the screen is a software rendering of all of the detected soft-tissue combined by specialized computer software to form three-dimensional images.
The 3D volume rendering technique (VR) does not rely on segmentation (segmentation techniques are difficult to apply to ultrasound pictures) and makes it possible to obtain clear 3D ultrasound images for clinical diagnosis. A 3D ultrasound produces a still image. Diagnostic US systems with 3D display functions and linear array probes are mainly used for obstetric and abdominal applications. The combination of contrast agents, harmonic imaging and power Doppler greatly improves 3D US reconstructions.

3D imaging shows a better look at the organ being examined and is used for:
list_point Detection of abnormal fetus development, e.g. of the face and limbs.
list_point Visualization of e.g. the colon and rectum.
list_point Detection of cancerous and benign tumors, e.g. tumors of the prostate gland, and breast lesions.
list_point Pictures of blood flow in various organs or a fetus.
Fusion 3D imaging methods for generating compound images from two sets of ultrasound images (B-mode and Doppler images) enable the observation of the structural relationships between lesions and their associated blood vessels in three dimensions (maximum intensity projection).
Radiology-tip.comVirtual Colonoscopy
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Radiology-tip.comVolumetric Imaging
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• View the news results for '3D Ultrasound' (2).


• Related Searches:
    • Obstetric and Gynecologic Ultrasound
    • Fetal Ultrasound
    • Liver Sonography
    • 4D Ultrasound
    • Echo

 Further Reading:
  Basics:
Medical Physics: Ultrasound - extended reading exerciseOpen this link in a new window
   by www.cyberphysics.pwp.blueyonder.co.uk    
  News & More:
Ultrasound: Weighing the Propaganda Against the FactsOpen this link in a new window
   by www.midwiferytoday.com    
New technology makes 3-D imaging quicker, easierOpen this link in a new window
Sunday, 17 February 2008   by www.eurekalert.org    
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MRI  (1) Open this link in a new window
4D UltrasoundInfoSheet: - Modes - 
Intro, 
Overview, 
Types of, 
etc.MRI Resource Directory:<br> - Modes -
 
As far as ultrasound is concerned, 4D ultrasound (also referred to as live 3D ultrasound or 4B-mode) is the latest ultrasound technology - the fourth dimension means length, width, and depth over time. 4D Ultrasound takes 3D ultrasound images and adds the element of time to the progress so that a moving three-dimensional image is seen on the monitor. A 4D scan takes the same amounts of time as a 2D or 3D scan; the difference is the ultrasound equipment being used. One advantage of a 4D fetal ultrasound to a 2D-mode is that parents can see how their baby will generally look like. However, there are different opinions over the medical advantages.
To scan a 3D ultrasound image, the probe is swept over the maternal abdomen. A computer takes multiple images and renders the 3D picture. With 4D imaging, the computer takes the images as multiple pictures while the probe is hold still and a 3D image is simultaneously rendered in real time on a monitor.
In most cases, the standard 2D ultrasound is taken, and then the 3D/4D scan capability is added if an abnormality is detected or suspected. The 3D/4D sonogram is then focused on a specific area, to provide the details needed to assess and diagnose a suspected problem. A quick 4D scan of the face of the fetus may be performed at the end of a routine exam, providing the parents with a photo.
Radiology-tip.comFluoroscopy
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Radiology-tip.comTemporal Resolution
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• View the news results for '4D Ultrasound' (5).



 Further Reading:
  Basics:
Impulse Imaging 4D Imaging : 4D Ultrasound, 4D Radar, 4D Sonar, ... Real Time 3D Imaging using Ellipsoidal BackprojectionOpen this link in a new window
2001   by www.impulseimaging.net    
  News & More:
Ultrasound: Weighing the Propaganda Against the FactsOpen this link in a new window
   by www.midwiferytoday.com    
US Resources  
Heart - Education - Supplies and Accessories - Veterinary UltraSound - Resources - Obstetric
 
ArtifactInfoSheet: - Artifacts - 
Intro, 
Artifacts, 
ReductionMRI Resource Directory:<br> - Artifacts -
 
An image artifact is any image attribute, which is not present in the original imaged object. An image artifact is sometime the result of an improper operation of the imager, and in other times a consequence of natural processes or properties of the human body.
Artifacts in diagnostic ultrasound are a reflection or an echo, which appears on the display and represents the real anatomical structure not correctly. An artifact can be a false, multiple or misleading information introduced by the imaging system or by interaction of ultrasound with the adjacent tissue.

Artifacts in ultrasound can be classified as to their source like e.g.:
point physiologic (motion, different sound velocities, acoustical impedances of tissue);
point hardware (dimension of the ultrasound beam and the transducer array);
point imaging technique (B-mode, spectral Doppler, color Doppler, 3D ultrasound).
Image artifacts can occur in each medical ultrasound. Then an interpretation of the image is complicated and can eliminate the structural information of objects looking for.
See also Ultrasound Imaging Procedures.
Radiology-tip.comImage Quality
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Radiology-tip.comArtifact
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 Further Reading:
  Basics:
Types of ultrasound artifacts?Open this link in a new window
   by www.frca.co.uk    
  News & More:
Ultrasonographic fata morganaOpen this link in a new window
2003   by ndt.oxfordjournals.org    
Searchterm '3D Ultrasound' was also found in the following services: 
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C-ScanInfoSheet: - Modes - 
Intro, 
Overview, 
Types of, 
etc.MRI Resource Directory:<br> - Modes -
 
A C-scan ultrasound can be displayed in 2D or 3D ultrasound technique. C-scan systems can generate images which are parallel to the surface of the skin (coronal). 2D plane images, usually in gray scale, are recordable at different depths, maintaining high quality subsurface information.
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 Further Reading:
  Basics:
C-scan transmission ultrasound based on a hybrid microelectronic sensor array and its physical performanceOpen this link in a new window
May 2001   by adsabs.harvard.edu    
  News & More:
Latest Developments in Real-Time 2D Ultrasound Inspection for Aging AircraftOpen this link in a new window
January 1999   by www.ndt.net    
Searchterm '3D Ultrasound' was also found in the following service: 
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MRI  (1) Open this link in a new window
Hi Vision™ 6500 - EUB-6500InfoSheet: - Devices -
Intro, 
TypesMRI Resource Directory:<br> - Devices Machines Scanners Systems -
 
www.hitachimed.com/products/ultrasound/eub_6500.asp

From Hitachi Medical Corporation (HMC), sales, marketing and service in the US by Hitachi Medical Systems America Inc.;
The HI VISION™ 6500 - EUB-6500 high resolution digital ultrasound system offers advanced clinical imaging, enhanced operating efficiency, and remarkable clinical flexibility, all in robust and versatile configuration that simply represents a better clinical solution in a variety of real-world, real-work arenas.


Device Information and Specification
APPLICATIONS Abdominal, brachytherapy/cryotherapy, breast, cardiac, dedicated biopsy, endoscopic, intraoperative, laparoscopic, musculoskeletal, OB/GYN, pediatric, small parts, urologic, vascular
CONFIGURATION Compact system
TRANSDUCERS Five frequency (except mini-probes), low impedance, wideband
RANGE OF PROBE TYPE Linear, convex, radial, miniradial/miniprobe, biplane, phased array, echoendoscope longitudinal, echoendoscope radial
PROBE FREQUENCIES Linear: 5.0-13 MHz, convex: 2.5-7.5 MHz, phased: 2.0-7.5 MHz, sector: 2.0-7.5 MHz
IMAGING MODES Tissue Doppler imaging (TDI), pulsed wave Doppler, continuous wave Doppler, color flow imaging, power Doppler, directional power Doppler, color flow angiography, real-time Doppler measurements, 4 modes of dynamic tissue harmonic imaging (dTHI), wideband pulse inversion imaging (WPI)
IMAGING OPTIONS 3RD generation color artifact suppression
OPTIONAL PACKAGE 3D ultrasound, dual omni-directional M-mode display, steerable CW Doppler, dynamic contrast harmonics imaging, stress echo, Pentax EUS and Fujinon Mini-probe
STORAGE, CONNECTIVITY, OS Patient and image database management system, HDD, FDD, MOD, CD-ROM, Network, DICOM 3.0, Windows XP
DATA PROCESSING 12 bit gigasampling A/D for precise signal reproduction, Quadra beam processing for fast frame rates
H*W*D m (inch.) 1.40 x 0.51 x 0.79 (55 x 20 x 31)
WEIGHT 130 kg (286 lbs.)
POWER CONSUMPTION 1.2kVA
ENVIRONMENTAL POLLUTION 4096 btu/hr heat output
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 • 4D Ultrasound
 • Fetal Ultrasound
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