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Innovative Design
"Derenzo" phantoms are used to characterize an imaging system's resolution by measuring the FWHM of hole patterns with varying diameters and spacing. Holes within a size group are spaced at exactly 2D (twice the diameter) apart. Our Derenzo phantoms feature six different hole sizes arranged in triangles around the center of phantom. These phantoms also feature our patented Linear-Filling Technology, which greatly reduces the volume required to fill the phantoms, ensures even filling (no bubbles), and reduces the radiation exposure to the handler of the phantom. This is all while improving image quality by reducing noise. To see how it works, click here.
See this video showing the filling of Phantech's single channel hot rod derenzo in <1 minute with no air bubbles!
Our Derenzo phantoms feature two Luer Lock fittings as the inlet and outlet of the linear fluid path. To fill, simply attach two syringes, one full of activity and the other empty, to the two ports. As you slowly insert the fluid, you will be able to see the fluid fill each channel of the pattern one rod at a time, ensuring even filling. When fluid reaches the empty syringe, the phantom pattern is full. To empty the phantom, simply reverse the process with air. Our Derenzo phantoms are available in several sizes and configurations, highlighted below!
Contact us for availability, lead times, and pricing. Need a custom size? Contact us about custom pricing.
See this video showing the filling of Phantech's single channel hot rod derenzo in <1 minute with no air bubbles!
Our Derenzo phantoms feature two Luer Lock fittings as the inlet and outlet of the linear fluid path. To fill, simply attach two syringes, one full of activity and the other empty, to the two ports. As you slowly insert the fluid, you will be able to see the fluid fill each channel of the pattern one rod at a time, ensuring even filling. When fluid reaches the empty syringe, the phantom pattern is full. To empty the phantom, simply reverse the process with air. Our Derenzo phantoms are available in several sizes and configurations, highlighted below!
Contact us for availability, lead times, and pricing. Need a custom size? Contact us about custom pricing.
Example micro-Derenzo phantom with a 0.7, 0.8, 0.9, 1.0, 1.2, and 1.5 mm hole pattern employing our patented linear-filling design. This version (Product Number D270715) features a 27 mm OD and a rod length of 10 mm. See the table below for other sizing options.
Available Sizes
Hot rod diameters (mm) |
Outside Diameter (mm) |
Rod Length (mm) |
Approximate Fill Volume (mL) |
Product Number |
0.7, 0.8, 0.9, 1.0, 1.1, 1.2 |
16 |
7.5 |
0.25 |
D160712-GrIT |
0.5, 0.6, 0.75, 1.0, 1.25, 1.5 |
20 |
8 |
0.35 |
D200515-GrIT |
0.55, 0.6, 0.65, 0.7, 0.8, 0.9 |
20 |
8 |
0.30 |
D2005509-GrIT |
0.6, 0.7, 0.8, 0.9, 1.0, 1.1 |
27 |
10 |
0.70 |
D270611-GrIT |
0.6, 0.7, 0.8, 0.9, 1.0, 1.25 |
27 |
10 |
0.70 |
D2706125-GrIT |
0.7, 0.75, 0.8, 0.85, 0.95, 1.1 |
27 |
10 |
0.50 |
D270711-GrIT |
0.7, 0.8, 0.9, 1.0, 1.1, 1.2 |
27 |
10 |
0.60 |
D270712-GrIT |
0.7, 0.8, 0.9, 1.0, 1.2, 1.5 |
27 |
10 |
0.70 |
D270715-GrIT |
0.8, 1.0, 1.25, 1.5, 2.0, 2.5 |
27 |
10 |
0.85 |
D270825-GrIT |
0.85, 0.9, 0.95, 1.0, 1.1, 1.3 |
27 |
10 |
0.50 |
D2708513-GrIT |
1.0, 1.1, 1.2, 1.3, 1.4, 1.5 |
27 |
10 |
0.75 |
D271015-GrIT |
1.0, 1.1, 1.2, 1.3, 1.4, 1.6 |
27 |
10 |
0.70 |
D271016-GrIT |
1.0, 1.2, 1.4, 1.6, 1.8, 2.0 |
27 |
10 |
0.70 |
D271020-GrIT |
1.2, 1.3, 1.4, 1.5, 1.6, 1.8 |
27 |
10 |
0.70 |
D271218-GrIT |
1.3, 1.4, 1.5, 1.6, 1.8, 2.0 |
27 |
10 |
0.75 |
D271320-GrIT |
1.6, 1.8, 2.0, 2.2, 2.4, 2.6 |
27 |
12 |
1.40 |
D271626-GrIT |
1.6, 1.8, 2.0, 2.2, 2.4, 2.6 |
40 |
12 |
2.10 |
D401626-GrIT |
2.0, 2.5, 3.0, 3.5. 4.0, 4.5 |
65 |
15 |
6.94 |
D652045-GrIT |
Gallery and Additional Resources
D270715 (0.7 mm to 1.5 mm) phantom before filling
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D270715 scanned on a Bruker BioSpin MRI
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D271015 filled with F-18 & scanned on an Inveon PET/CT
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Madison, WI
www.phantechmedical.com
www.phantechmedical.com