Applications & Ressources > Fantômes d'Echographie en Mode B

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Modèle 623

Model 623 Fantôme de kyste radial pour transducteurs hautes fréquences

 

 

Description and specifications:

 

The phantom is 3 cm deep. Scan well is 13,6 mm Ø. The wall of the scan well is protected with 0,2 mm PE.

 

The phantom contains:

 

11 echo weak cylinders of 2 mm Ø, 22 echo weak cylinders of 1 mm and 0,5 mm Ø. All cylinders are mounted 15 degrees oblique, in order to reduce specular reflections from the interfaces. 

 

Attenuation of background material 0,5 dB * cm * MHz. Tolerance see data sheet.

 

Sound speed of background material 1500 m/sec. Tolerance see data sheet.

 

Outer dimensions: 18 cm  * 9,5 cm * 6 cm

 

Weight: ~ 0,5 kg

 

Instructions:

 

The scan well should be filled with fluid. Scan through the scan well. Notice first and the last cyst seen for all 3 dimentions.

 

Maintenance:

 

 

 

Once every month inspect the phantom.

 

The surface must always be covered with 1/2 - 1 cm preservative fluid.  Fluid that disappears by desiccation should be replaced by distilled water.

 

Once every 3 month replace the preservative fluid.

 

Please notice that the lid may not be 100 % tight. Drain fluid off before transportation, but never let it stay dry more than a few days.

 

The phantom will not stand frost. Safe storage temperature: 0 - 45 degrees Celsius.

 

 

 

The surface must always be covered with 1/2 - 1 cm preservative fluid. Refill with Distilled Water. The phantom will not stand frost.

 

Storage temperature: 0 - 70 degrees Celsius.

 

Prescription for Preservative Fluid

-500 ml Distilled Water

- 2,5 g Acnibio OCS

- 0,5 g Citric ascid