XtremeCT II

The XtremeCT II is the new generation high resolution peripheral quantitative computed tomography (HR-pQCT).

The XtremeCT II is designed to measure the bone density and to quantify the threedimensional microarchitecture of the bone at the distal tibia and radius of humans for clinical in vivo assessment of osteoporosis at an even higher precision and speed than its predecessor, the XtremeCT.

A low X-ray dose allows regular follow-up measurements and powerful true-3D evaluation software automatically matches cortical and trabecular bone regions to previous measurements for direct comparison of density and structure characteristics.

Density Parameters

Structural Parameters

  • Cortical Density
  • Trabecular Density
  • Trabecular Thickness
  • Trabecular Separation
  • Trabecular Number
  • Volume Fraction
  • Cortical Thickness
  • Cortical porosity
  • Arterial calcification
 

For compatibility with the previous generation HR-pQCT, a XtremeCT I equivalent protocol is available.

A video provided by our customers at the Bone Imaging Laboratory in Calgary shows how the XtremeCT is used in practice. To watch the video follow this link.

 

Specifications

XtremeCT II

Type

High-resolution peripheral quantitative CT

X-ray source

Sealed
Maintenance-free
60 µm spot size
68 kVp / 100 W

Detector

4608 x 400 elements
CCD

Resolution

‹ 55 µm (10% MTF)
17 - 273 µm nominal isotropic (pixel size)

Image matrix

512 x 512 to 8192 x 8192 pix

Max. scan size

140 x 200 mm (ØxL)

Scan time 

1.5 min. with XtremeCT I equivalent protocol (9 mm/110 slices)

Scan time

2 min. with high resolution patient protocol (168 slices)

Effective Dose

<5 µSv per measurement (ICRP91)

Electrical

100 - 230 V / 50 - 60 Hz / 10A
480W

Dimensions

148 x 138 x 115 cm (HxWxD)

Weight

605 kg

Approvals

CE
Contact us for information about other countries

Measuring method

Tibia measurement with cast (courtesy of: Charité, Berlin)
 
In vivo scan of distal radius at 60 µm.
Cortical porosity of radius.
Cortical porosity of tibia.
 

More example images...

 
 
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