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Interventional Arterial Phantom ATS PVB-1 & PVB-3
Tests Performed
• Focal Zone
• Sensitivity
• Functional Resolution
• Contrast Resolution (PVB-3 only)Uses:
• Quality Assurance
• Clinical Performance
• In-Process Manufacturing
• TeachingThe PVB series of Interventional Arterial Phantoms are constructed of a tissue mimicking rubber-based material. The phantoms are housed in a chemical resistant, injection molded polypropylene shell to permit sterilization be means of autoclaving.
Model PVB-1 contains five cylindrical cavities. A 4 mm diameter cavity is located in the center of the phantom and four 2 mm cavities are positioned at 90º intervals around the central cavity. The edge to edge spacing of the four cavities relative to the central cavity are 1, 2, 3, and 4 mm.
Model PVB-3 contains five cylindrical cavities. A 4.0 mm diameter cavity is located in the center of the phantom and four 2 mm gray scale targets ranging from +15 to -15 dB relative to the background material are located at 90° intervals around the central cavity. the edge to edge spacing of the four 2 mm cavities relative to the central cavity is 4 mm.
The PVB is designed to evaluate the acoustical performance of an intra-arterial ultrasonic transducer prior to performing an examination of the patient.
Recommended Care
For best results the phantom should be kept clean at all times. In particular a build-up of dried coupling gel on the scan surface should be avoided. The phantom may be cleaned with warm water using a lint free cloth. Stubborn stains and dirt may be removed with a mild household cleaner. The use of petroleum solvents should be avoided since they may adversely react with the rubber-based material.
Specifications ATS PVB-1 & PVB-3
Tissue Mimicking Material
Type: Urethane rubber
Melting Point: 100°C
Freezing Point: < -40°C
Attenuation Coefficient: 0.5 dB/cm/MHz ± 5.0%
Speed of Sound:1450 m/s ±1.0% at 23°
General PVB-1 PVB-3 Overall Dimensions Major Diameter 53 mm* 53 mm* Minor Diameter 42 mm* 42 mm* Height 65 mm* 65 mm* Weight 110 Gm* 110 Gm* Housing Material Polypropylene Polypropylene Intra-luminal Cavity 1 1 Cavity Diameter 4.0 mm* 4.0 mm* Targets Type Circular Cavities Echogenic, Cylindrical Number of Targets 4 4 Diameter 2 2 Length 65 mm 65 mm Radial Spacing 90º 90º Interval Spacing
(edge to edge)1, 2, 3, 4 mm 4 mm Contrast relative to
background material (dB)N/A +15,+6, -6, -15 *Nominal dimensions
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