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Part II General Information

Function and Performance Check 229

6.5 Performance Test

6.5.1 Test Procedure

Check resolution

Check detection depth

Check geometric

positioning accuracy

Blind area test

Record the imaging

6.5.2 Test content

Note:

The following figure is only used for reference in the testing, and the actual image effect

depends on the specific system.

Requirements:

 Display: set the brightness and contrast values to clinical (or default) status;

 Ambient: dark room to simulate actual clinical using;

 The probe surface should contract with the acoustic window without separation or pressing.

Note:

 For details about the phantoms required for the test, see Part III Appendix: 4Phantom

Usage Illustration.

 Phantom KS107BD, low frequency, used when center frequency of the probe ≤4MHz;

 Phantom KS107BG, high frequency, used when center frequency of the probe ≥5MHz;

6.5.2.1 Transverse resolution

Note:

 For convex probe, keep the transverse resolution targets near the central line of the

scanning plane.

 For linear array probe with Steer function, DO NOT turn on Steer when testing the

transverse resolution.

 Magnify (zoom) the targets for observation if necessary.

 Distance between the left and right edges of a target point at a certain depth indicates

the transverse resolution at this depth also.

Mindray ME8 Service Manual

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