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068Fetal Ultrasound Biometrics Phantom CIRS 068
For demonstration of anatomic examination and estimation of gestational age
The CIRS Model 068 Fetal Ultrasound Biometrics Phantom facilitates teaching and demonstration of fetal ultrasound examination techniques in a non-stressful situation. A tissue equivalent full fetal model is suspended in a non-echoic, amniotic fluid-like environment.
The phantom is housed in a rotatable cylinder. A variety of fetal/transducer orientations can be achieved for more challenging examinations. Transabdominal measurements of biparietal diameter (BPD), anterior/posterior diameter (APD), femur length, abdominal circumference and crown to rump length can be taken. All anatomies are based on published biometric data at normal fetal growth rates for a gestational age of 21 weeks(1). This enables assessment of composite measurement techniques and biometric analysis programs common to most ultrasound scanners.
The phantom can also be used for 3D reconstructions, surface rendering and a variety of other applications. Optional carrying case is available.
Reference:
1. Hansmann, M. (1985) Ultrasound Diagnosis in Obstetrics and Gynecology,Springer, Berlin.
Features
Complete external fetal anatomy and surrounding non-echoic medium
Asymmetric head with upper portion of the skull
Right and left brain lobes
Lateral and third ventricles
Right and left femoral shafts with distal epiphysis
Model 068 Specifications
Material Specifications
Housing: PVC, ABS, vinyl
Phantom: Proprietary gels
Background Medium
Attenuation: <0.02 dB/cm/MHz
Speed of Sound: 1515 m/sec
Contrast: anechoic
Fetal Soft Tissue
Attenuation: 0.5 dB/cm/MHz
Speed of Sound: 1540 m/sec
Contrast: Similar to liver parenchyma
Bones
Attenuation: 0.5 dB/cm/MHz
Speed of Sound: 1540 m/sec
Contrast: + 9 dB relative to soft tissue
Brain
Attenuation: 0.5 dB/cm/MHz
Speed of Sound: 1540 m/sec
Contrast: same as soft tissue
Ventricles
Attenuation: < 0.07 dB/cm/MHz
Speed of Sound: 1520 m/sec
Contrast: anechoic
Target Biometric Dimensions
BPD: 5.2 cm
APD: 6.2 cm
Head Circumference: 18 cm
Femoral length
(excluding distal epiphysis) 3.8 cm
Abdominal Circumference
(at AP fiducial mark)
17.5 cm
Crown to rump length:
22 cm (approximate)
Overall Phantom Dimensions
35 x 17 x 17 cm
Overall Phantom Weight 8 kg
Warranty 1 Year
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