Mindray Zonare ZS3, Инструкция по эксплуатации

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ZS3 Instructions for Use
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Measurement Bias Information Table
The Measurement Bias Information table display the bias and precision of the ARFI
measurement as a function of the object stiffness (Bias/Precision vs. Object Stiffness) and depth
(Bias/Precision vs. Depth) for the C4-1 probe.
Bias/Precision vs Stiffness, depth = 5.0 cm
Stiffness (kPa) Bias, kPa Precision (std), kPa
4 5.32 (33%) 0.40 (10%)
12 16.7 (39%) 0.36 (3%)
25 32.5 (30%) 2.25 (9%)
48 60 (25%) 1.92 (4%)
Bias/Precision vs Depth, stiffness = 25 kPa
Depth (cm) Bias, kPa Precision (std), kPa
4.0 31.0 (24%) 3.1 (10%)
5.0 31.3 (25%) 3.1 (10%)
6.0 31.8 (27%) 3.1 (10%)
7.0 31.5 (26%) 3.1 (10%)
Note:
1.
ROI size is fixed to 10mm and not adjustable.
2.
The data in the above tables are gained from measurement on elastomer phantom CIRS
039.
2D Shear Wave Elastography Imaging (2D SWI)
2D SWI is a separately purchased option. 2D SWI must be assigned to a programmable
function key before use. These keys can be configured in Setup/Keys .
1. Press Setup / Keys .
2. Click to select 2D SWI to the desired key.
3. Click Save to complete the setting.
Once configured, 2D SWI is invoked by pressing the configured function key.
2D SWI is available on the C4-1 transducer.
• Basic Procedures for Liver 2D SWI
1. Select the proper probe and exam preset.
2. Press the configured key (such as F2) to enter the
2D SWI mode.
3. System enters into a dual screen with 2D SWI data on one pane and Quality data on the
other.
4. Position the patient and orient the transducer
a. Patient supine, right arm extended above the head
b. Apply sufficient pressure to open the rib space and decrease tissue thickness
c. Move and size the ROI using the Trackball and the Set keys
i. 1-3cm below the liver capsule
ii. Less than 10cm in depth and 30mm X 30mm in size