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Surface temperature test phantom

Testing compliance of ultrasound transducers

The surface temperature test phantom can be used to test compliance with the limits of ultrasound transducer surface temperature specified in IEC 60601-2-37 Ed 2. 

The phantom uses agar-based tissue-mimicking material (TMM), prepared strictly according to the recipe given in IEC 60601-2-37 Ed 2. The material contains scattering particles and was originally developed as part of a European Framework project for Doppler ultrasound testing.

The phantom is supplied with silicone rubber skin-mimicking layers of a range of thicknesses.

The dimensions of our standard cylindrical phantom are approximately 11.0 cm +/- 0.5 cm diameter, 11.5 cm +/- 0.5 cm height. These dimensions, particularly the height, could be tailored to suit customer requirements. We may be able to supply bespoke phantoms to help evaluate endocavity probes.

We can also supply gelatine-based, non-scattering TMM which follows a recipe in IEC 62306.

Additional information about the phantom:

  • Meets requirements of IEC 60601-2-37 Ed 2.
  • Agar-based TMM: Speed of sound approx. 1540 m/s, attenuation coefficient approx. 0.5 dB/cm/MHz.
  • Gelatine-based TMM: Speed of sound approx. 1540 m/s, attenuation coefficient approx. 0.45 dB/cm/MHz.

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