3 t mr750w scanner

Manufactured by GE Healthcare

The 3 T MR750w scanner is a powerful magnetic resonance imaging (MRI) system produced by GE Healthcare. It operates at a magnetic field strength of 3 Tesla, providing high-resolution images for diagnostic and research purposes. The scanner is designed to deliver consistent and reliable performance.

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Lab products found in correlation

32 channel head coil, by GE Healthcare (1 mentions)

Close spelling variants of this product

MR750w (39 citations) MR750w scanner (7 citations) Discovery MR750w 3.0 T MRI scanner (4 citations) Scanners (2 citations) 3.0-T MR750w whole body scanner (2 citations) 3.0-T Discovery MR750w scanner (2 citations)

4 protocols using 3 t mr750w scanner

Diffusion MRI of Sleeping Infants

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Images were acquired on a GE 3 T MR750w scanner using a 32-channel head coil at the Alberta Children's Hospital during natural sleep. Infants were fed, swaddled, and bundled in an inflatable MedVac infant scanning bag. Hearing was protected using MiniMuff Neonatal Noise Attenuators and appropriate sponge padding.
Diffusion weighted images were obtained with 30 diffusion encoding gradient directions at b = 700 s/mm², and 5 volumes with b = 0 s/mm²; TR = 8500 ms, TE = 99.4 ms, FOV = 16 cm, matrix = 256 × 256, resolution = 1.75 × 1.75 mm — in plane, 49 slices. Diffusion acquisition time was 5.06 min.

Donnici C., Tomfohr-Madsen L., Long X., Manning K.Y., Giesbrecht G, & Lebel C. (2023). Prenatal depressive symptoms are associated with altered structural brain networks in infants and moderated by infant sleep. Journal of Affective Disorders.

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Longitudinal Multimodal Brain Imaging

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At baseline, imaging data were acquired on a 3T MRI scanner (TRIO SIEMENS Medical Systems, Erlangen, Germany). The structural high-resolution T1-weighted anatomical scan was performed with the following fundamental parameters: 256 × 256 matrix, 176 slices, 1 mm isotropic, TR = 2,300 ms, TE 2.27 ms; axial T2w sequences: 512 × 310 matrix, 30 slices, 4 mm thickness, TR 4,000 ms, TE 105 ms; susceptibility-weighted imaging (SWI): 256 × 208 matrix, 128 slices, TR 28 ms, TE 20 ms); pulsed ASL: 64 × 64 matrix, 20 slices, 6 mm thickness, TR 4,000 ms, TE 12 ms, inversion time 1,800 ms. At follow-up, data were acquired on a 3T MR750w scanner (GE Healthcare, Milwaukee, Wisconsin), including a high-resolution anatomical 3DT1: 254 × 254 matrix, 178 slices, 1 mm isotropic, TR 7.2 ms; axial T2w sequences: 512 × 512 matrix, 30 slices, 4 mm thickness, TR 6,900 ms, TE 105 ms; susceptibility-weighted angiography (SWAN): 320 × 288 matrix, 176 slices, TR 28 ms, TE 20 ms; multi-delay (7) pseudo-continuous ASL (PCASL) 128 × 128 matrix, 32 slices, 4 mm thickness, TR 5,936 ms, TE 10.5 ms, post label delays 1.00, 1.22, 1.48, 1.78, 2.15, 2.62, and 3.32 s.

Giannakopoulos P., Montandon M.L., Rodriguez C., Haller S., Garibotto V, & Herrmann F.R. (2021). Prediction of Subtle Cognitive Decline in Normal Aging: Added Value of Quantitative MRI and PET Imaging. Frontiers in Aging Neuroscience, 13, 664224.

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Knee Cartilage Imaging Using MRI

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Magnetic resonance imaging was performed using a 3-T MR750w scanner (GE Healthcare, Waukesha, WI) and an 8-channel transmit/receive knee coil (Invivo, Gainesville, FL). For the participants with OA, the knee with more severe findings on the radiographs was imaged. If the KL grade was the same for both knees, the more symptomatic knee was imaged. For those in the control group, the extremity to be imaged was selected at random. The following sequences were obtained for each participant: (1) high-resolution, 3-D, T2-weighted fast spin echo (FSE) cube sequence for cartilage segmentation (relaxation time/echo time [TE], 1500/26.69 milliseconds; field of view, 16 cm; matrix, 384 × 384; slice thickness, 0.5 mm; echo train length, 32; bandwidth, 37.5 kHz; number of excitations, 0.5; acquisition time, 10 minutes 30 seconds); (2) 3-D T1rho relaxation time sequence (relaxation time/TE, 9/2.6 milliseconds; time of recovery, 1500 milliseconds; field of view, 14 cm; matrix, 256 × 128; slice thickness, 4 mm; bandwidth, 62.5 kHz; time of spin lock [TSL], 0/2/4/8/12/20/40/80 milliseconds; frequency of spin lock, 500 Hz; acquisition time, 11 minutes); and (3) 3-D T2 relaxation time sequence (same as the T1rho quantification except for magnetization preparation: TE, 1.8/3.6/7.3/14.5/29.1/43.6/58.2; acquisition time, 11 minutes).

KUMAR D., SOUZA R.B., SINGH J., CALIXTO N.E., NARDO L., LINK T.M., LI X, & MAJUMDAR S. (2014). Physical Activity and Spatial Differences in Medial Knee T1rho and T2 Relaxation Times in Knee Osteoarthritis. The Journal of orthopaedic and sports physical therapy, 44(12), 964-972.

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Optimizing Knee MRI Acquisition Protocol

Cited 2 times

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MR images of the knee were acquired using a 3-T MR 750w Scanner (General Electric, Milwaukee, WI) and an 8-channel
phased-array knee coil (Invivo, Orlando, FL). All subjects were positioned in supine with their knee in neutral rotation and full
extension. To reduce movement, the test foot was secured in place, the study knee was stabilized with padding, and a belt was
secured across the subject’s waist. All subjects arrived at the imaging center and were unloaded (seated in a chair) for a
45-min period before imaging^{38 (link),39 (link)}. The
following sequences were obtained for each participant: (1) high-resolution 3D intermediate-weighted fast spin-echo (FSE) sequence
for clinical grading and cartilage segmentation, (2) 3D T_1ρ relaxation time sequence and (3) 3D T₂relaxation time sequence (Table I).

Teng H.L., Calixto N.E., MacLeod T.D., Nardo L., Link T.M., Majumdar S, & Souza R.B. (2016). Associations between patellofemoral joint cartilage T1ρ and T2 and knee flexion moment and impulse during gait in individuals with and without patellofemoral joint osteoarthritis. Osteoarthritis and cartilage, 24(9), 1554-1564.

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