VDO MG 2100 Specifiche Scaricare il pdf (Pagina 199)

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Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 199

Chapter 33: Acquiring B-Mode images

Adding focal zones

Focal zones enhance the resolution across your image, while slightly reducing the

acquisition frame rate. The system always displays at least one focal zone, and

you can apply a maximum of two additional zones depending on the transducer.

When you add focal zones the system maximizes the resolution for a larger area

of your image, and reduces the acquisition frame rate.

f To add a focal zone:

1. Press

Focal Zones

to add one or two additional focal zones to the initial focal

zone.

 Push once to add a second focal zone at the standard spread

 Push twice to add the second focal zone at the minimum spread

 Push three times to add a third focal zone and set the zones at the standard

spread

 Push four times to add the third focal zone and set the zones at the

minimum spread

 Push one more time to return to a single focal zone

2. Press

Focus Depth

down or up to increase or decrease the depth of all focal

zones.

Visualizing injections with a needle guide overlay

When you are injecting an animal the needle guide overlay feature helps you

visualize the alignment of your needle with your injection target.

To ensure that your needle appears in the image area, you must submerge the

needle in water (for externalized targets) or insert it in the anatomy of the animal.

Before you begin

If you intend to save a cine loop of your injection, make sure that you have set

your B-Mode cine loop size to a sufficient length to capture the event.

f To perform a typical image-guided needle injection:

1. Begin acquiring image data in B-Mode.

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VDO MG 2100 Specifiche Pagina 199

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