5393439 Trackball Assy With Cable 5393439-2/4 5491128 TAS4729N FLT20UWB-G1

GE Logiq S7 5393439 - Trackball Assy with Cable, 5393439-2/4, 5491128, TAS4729N, FLT20UWB-G1

GE Logiq S7 trackball 5393439

1. Warranty: 60 days
2. Part number: 5393439
3. Compatible system: Logiq S7, Voluson S6, Voluson S8

4.  Lead time: 2-4 days

Knowledge point

Ultrasound Modes

Several modes of ultrasound are used in medical imaging. These are:

• A-mode: A-mode (amplitude mode) is the simplest type of ultrasound. A single transducer scans a line through the body with the echoes plotted on screen as a function of depth. Therapeutic ultrasound aimed at a specific tumor or calculus is also A-mode, to allow for pinpoint accurate focus of the destructive wave energy.[citation needed]
• B-mode or 2D mode: In B-mode (brightness mode) ultrasound, a linear array of transducers simultaneously scans a plane through the body that can be viewed as a two-dimensional image on screen. More commonly known as 2D mode now.

• B-flow is a mode that digitally highlights moving reflectors (mainly red blood cells) while suppressing the signals from the surrounding stationary tissue. It can visualize flowing blood and surrounding stationary tissues simultaneously. It is thus an alternative or complement to Doppler ultrasonography in visualizing blood flow.

• C-mode: A C-mode image is formed in a plane normal to a B-mode image. A gate that selects data from a specific depth from an A-mode line is used; then the transducer is moved in the 2D plane to sample the entire region at this fixed depth. When the transducer traverses the area in a spiral, an area of 100 cm² can be scanned in around 10 seconds.
• M-mode: In M-mode (motion mode) ultrasound, pulses are emitted in quick succession – each time, either an A-mode or B-mode image is taken. Over time, this is analogous to recording a video in ultrasound. As the organ boundaries that produce reflections move relative to the probe, this can be used to determine the velocity of specific organ structures.

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