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8 channel sense knee coil

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The 8-channel SENSE knee coil is a specialized magnetic resonance imaging (MRI) device designed for imaging the knee. It features 8 independent receive channels, enabling faster image acquisition and improved signal-to-noise ratio for enhanced diagnostic capabilities. The coil is compatible with Philips MRI systems and is intended for use by qualified medical professionals.

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Lab products found in correlation

Achieva 3.0 t mr scanner, by Philips (1 mentions) Achieva mri scanner, by Philips (1 mentions) Achieva 1.5 t mri system, by Philips (1 mentions) Fluorinert fc 77, by Merck Group (1 mentions) Dulbecco s phosphate buffered saline dpbs, by Thermo Fisher Scientific (1 mentions)

Close spelling variants of this product

SENSE knee coil SENSE-Knee-8

5 protocols using 8 channel sense knee coil

1

Knee MRI Protocol for Meniscus and Cartilage

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MRI was performed on an Achieva 3.0 T MR scanner (Philips Medical System, Best, The Netherlands) using a 8-channel SENSE knee coil (Philips). The knee MRI protocol included T2 mapping after routine conventional MRI for 20 minutes with the patients in the supine position with knees in full extension and ankles kept in the neutral position. For morphological evaluation of the meniscus and cartilage, we used the routine imaging sequence summarized in Table 1. The T2 map consisted of a sagittal multi-echo spine-echo (SE) T2-weighted sequence performed with a repetition time (TR) of 2500 ms, 6 echo times (TE) of 13, 26, 39, 52, 65, and 78 ms, a slice thickness of 3 mm, a field of view of 160 mm × 160 mm, a pixel matrix of 320 × 320, and a total acquisition time of 7 minutes 56 seconds.
Yoon H., Lim H.J., Kim J., Park K.B., Kim H.W, & Lee M.J. (2022). T2 Relaxation Time Changes in the Distal Femoral Condylar Cartilage of Children and Young Adults with Discoid Meniscus. Cartilage, 13(1), 19476035221085142.
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2

Quantitative MRI of Articular Cartilage

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Imaging was performed using a 3 T Philips Achieva MRI scanner (Philips Healthcare, Best, The Netherlands) equipped with an 8-channel SENSE knee coil. As shown in Figure 1, the wells of the sample holder were positioned perpendicular to the B0 static magnetic field. Two slices were obtained, with the first bisecting the cartilage samples in wells 1 and 2 lengthwise, and the second bisecting the cartilage in well 3 and the DPBS in well 4, again lengthwise. The slice thickness was dependent upon available radio frequency bandwidth and gradient strength for the selected image acquisition sequence.
All samples were studied at physiological temperature (37 ± 0.1°C), maintained in the magnet using an MRI-compatible warm air heating module (SA Instruments, Stony Brook, NY) connected to flexible tubing. Temperature was monitored using a MRI-compatible thermistor attached to the sample holder.
Quantitative and contrast-weighted MRI measurements were acquired using protocols readily available on clinical scanners, including two of the weighted scans used in the OAI Clinical Protocol (15 (link)). The parameters measured were:
Lukas V.A., Fishbein K.W., Reiter D.A., Lin P.C., Schneider E, & Spencer R.G. (2014). Sensitivity and Specificity of Univariate MRI Analysis of Experimentally Degraded Cartilage under Clinical Imaging Conditions. Journal of magnetic resonance imaging : JMRI, 42(1), 136-144.
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3

Knee MRI with 3D TSE Technique

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All knees were imaged with the same 1.5 T MRI scanner (Philips Achieva 1.5 T MRI
System; Philips Medical Systems, Best, The Netherlands) and an 8-channel SENSE
knee coil. Routine 2D and 3D TSE images were acquired on the same day. The MRI
parameters and acquisition time for both techniques are summarized in Table 1.
The sagittal source images from the 3D TSE technique were used in order to create
sagittal, coronal, and axial reformatted images of the knee joint with a slice
thickness of 1.5 mm. The reformatted images were used for the 3D TSE assessment
of the knee.
The post-processing of the 3D TSE sequence was performed by a fellow in
musculoskeletal radiology on a Philips Achieva MRI workstation (Extended MR
Workspace; Philips Medical Systems) immediately after the images had been
acquired.
Chagas-Neto F.A., Nogueira-Barbosa M.H., Lorenzato M.M., Salim R., Kfuri-Junior M, & Crema M.D. (2016). Diagnostic performance of 3D TSE MRI versus 2D TSE MRI of the knee at 1.5 T, with prompt arthroscopic correlation, in the detection of meniscal and cruciate ligament tears. Radiologia Brasileira, 49(2), 69-74.
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4

MRI Imaging of Heated Samples

Cited 1 time
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The MRI protocol for the present study has been previously described9 (link). Briefly, samples were inserted into a susceptibility-matched polyetherimide (ULTEM) sample holder containing Fluorinert® FC-77 (Sigma-Aldrich, St. Louis, MO) and heated to 37.0 ± 0.1 °C prior to data acquisition. The ULTEM holder also contained a Dulbecco’s phosphate-buffered saline (DPBS; Invitrogen) standard for normalizing weighted images. Imaging was performed using a 3T Philips Achieva system equipped with an 8-channel SENSE knee coil with sample temperature maintained at 37.0 ± 0.1 °C for the duration of the acquisition.
Ashinsky B.G., Coletta C.E., Bouhrara M., Lukas V.A., Boyle J.M., Reiter D.A., Neu C.P., Goldberg I.G, & Spencer R.G. (2015). Machine learning classification of OARSI-scored human articular cartilage using magnetic resonance imaging. Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society, 23(10), 1704-1712.
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5

3D MRI of Loaded Knee Joints

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Image acquisition was performed using a 3T MRI system (Achieva, Philips Medical Systems, Best, The Netherlands), which was equipped with an 8-channel SENSE knee coil (Philips Medical Systems). All MRI scans were acquired using a T1-weighted 3D turbo spin echo (3D TSE) sequence. The pulse sequence parameters were: echo time = 11.7 ms, repetition time = 750 ms and TSE factor = 5. Spatial resolution was set to 0.4 × 0.4 × 0.6 mm3 (sagittal × coronal × axial) with an acquisition matrix of 384 × 384 × 83, pixel bandwidth of 265 Hz and imaging frequency of 127.75 Hz, resulting in a total scanning time of 66 min per load condition of a knee joint. For each knee specimen, a set of four sequential 3D TSE series were acquired at different subject-specific load levels (Figure 2B). First, each knee specimen was scanned in its unloaded state, followed by axial compressive loads equivalent to 25%, 50% and 100% BW of the knee joint donor. Under the loaded conditions, image acquisition was initiated after the specimens were subjected to the respective BW level for 15 min to account for the viscoelastic behavior of the soft tissues in the knee joint (Wang et al., 2015 (link)).
Schwer J., Rahman M.M., Stumpf K., Rasche V., Ignatius A., Dürselen L, & Seitz A.M. (2020). Degeneration Affects Three-Dimensional Strains in Human Menisci: In situ MRI Acquisition Combined With Image Registration. Frontiers in Bioengineering and Biotechnology, 8, 582055.
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