The NEMA image quality phantom with six (10, 13, 17, 22, 28, 37 mm) spheres with 9.7:1 sphere:background activity ratio and a cold “lung” insert was scanned on the Philips Gemini TF Big Bore PET/CT scanner with 575-ps TOF resolution. Ten 3-min scans were performed, giving us 10 realizations, each with about 12M prompts, 1.2M delays, and a 27% scatter fraction. Randoms were estimated from delays and smoothed after deposition into histo-images. Scatter was estimated in the histo-image format by depositing scatter estimates obtained from SSS-TOF. The simple gap-correction technique (as illustrated in figure 3 ) was employed in this study. The axial acceptance angle was limited to ±7 degrees (limiting the counts deposited into the histo-images to about 9M prompts per realization). Consistent with the simulation study, events were grouped into 1 tilt and 40 azimuthal views and deposited into histo-images with 4-mm3 voxels.
Gemini tf big bore pet ct scanner
Manufactured by Philips
The Gemini TF Big Bore PET/CT scanner is a medical imaging device designed for diagnostic purposes. It combines positron emission tomography (PET) and computed tomography (CT) technologies to produce high-quality images of the body. The scanner features a large bore diameter, which allows for the imaging of larger patients or those requiring additional space during the scanning process. The core function of the Gemini TF Big Bore PET/CT scanner is to provide healthcare professionals with detailed, comprehensive information about a patient's anatomy and physiology to aid in the diagnosis and treatment of various medical conditions.
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Lab products found in correlation
2 protocols using gemini tf big bore pet ct scanner
1
PET/CT Phantom Imaging Protocol
2
Comprehensive Limb Imaging Using CT
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The distal aspect of each limb was scanned from the midmetacarpus through the foot with a fan-beam CT system. Limbs were placed with the lateral aspect against the CT couch and scanned with a 16-slice helical positron emission tomography-CT scanner (Philips Gemini TF Big Bore PET/ CT scanner; Philips Healthcare) with the following settings: pitch, 0.4; 100 kVp; 120 mAs; slice thickness, 0.8 mm for adequate bone resolution and 2.0 mm to increase the signal-to-noise ratio for soft tissue evaluation; and matrix, 1,024 X 1,024. The raw CT data were reconstructed into transverse, sagittal, and dorsal plane images at 0.8-mm thickness X 0.8-mm increment (bone reconstruction kernel) and 2.0-mm thickness X 1.0-mm increment (standard reconstruction kernel).
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