Hispeed

Manufactured by GE Healthcare

Sourced in United States

The HiSpeed is a laboratory equipment product from GE Healthcare. It is designed to provide high-speed processing capabilities for various laboratory applications. The core function of the HiSpeed is to facilitate efficient and rapid handling of samples and materials within a laboratory setting.

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Lab products found in correlation

Lightspeed qx i, by GE Healthcare (1 mentions) Discovery mr750 3.0t, by GE Healthcare (1 mentions) Gd dtpa, by GE Healthcare (1 mentions)

Close spelling variants of this product

HiSpeed FX/i 64 HiSpeed spiral scanner HiSpeed NX/i HiSpeed CT/I Advantage scanner HiSpeed Advantage HiSpeed LX Hispeed ZX/i HiSpeed DX/i Spiral HiSpeed LX/i

4 protocols using hispeed

CT-based Tissue Characterization Protocol

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General Electric Hi Speed (GE, Hi Speed, USA) diagnostic X-ray CT scanner is used to estimate an average HU value over a number of slices at 120 kVp,
150 mAs, 9 slices and one pitch. Spiral and axial scanning mode are used at 10 mm intervals.
One cm² of region of interest (ROI) was selected on each image and an HU value determined within each ROI. Linear attenuation coefficients
are calculated according to CT number values using standard definition:
HU=(μmaterial-μwater)(μwater-μair)×1000(2)
Where μ_water and μ_air are the linear attenuation coefficients of water and air, respectively. This definition is for CT scanner calibrated
with water reference. A change of one Hounsfield unit (HU) represents a change of 0.1% of the μ of water since the μ of air is nearly zero.
Data were analyzed by SPSS 16 software and compared by T-test statistically based on which a significance level was p<0.05.

P. M., M. J.T, & M. G. (2020). CT Role in the Assessment of Existence of Breast Cancerous Cells. Journal of Biomedical Physics & Engineering, 10(3), 349-356.

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Imaging Protocol for Postoperative Tumor Surveillance

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Upper abdominal contrast-enhanced CT or MRI scans were carried out every month for the first 3 months post-operatively. If no tumor residue or tumor recurrence was detected, a re-examination was carried out every 3-6 months (CT: HiSpeed or LightSpeed QX/i, GE Medical Systems; Milwaukee, WI; contrast agent: Ultravist 300 [injection speed was fixed as 3ml/s]; Schering, Berlin, Germany; MRI: Discovery MR750 3.0T; GE Medical Systems; contrast agent: Gd-DTPA [injection speed was fixed to 3ml/s]; GE Healthcare, IDA Business Park Carrigtohill, Ireland).

Qi H., Zhang H., Wan C., Xie L., Song Z, & Fan W. (2017). CT-guided microwave ablation through the lungs for treating liver tumors near the diaphragm. Oncotarget, 8(45), 79270-79278.

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BNCT for Recurrent Head and Neck Cancer

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For this study, nine patients with recurrent H&N cancer underwent simulated computed tomography (CT) simulation according to the standard protocol of Taipei Veterans General Hospital for BNCT. Four patients had oral cavity cancer, two had oropharyngeal cancer, and one patient each had mandibular sarcoma, a parotid gland tumor and hypopharyngeal cancer. The median accumulated radiotherapy photon dose before BNCT was 66 (range, 60–102) Gy. CT data were acquired with a simulator (HiSpeed; GE Healthcare, Waukesha, WI, USA) according to our institution’s standard protocol, which included the collection of 5-mm slice thicknesses with a 38.4-cm field of view while patients were in the supine position. All patients provided written consent for storage of their medical information in the hospital database and for research use. The study has been approved by Institutional Review Board, Taipei Veterans General Hospital No.2012-06-016A#7 and conducted according to the principles expressed in the Declaration of Helsinki. The individuals in this manuscript (or their relative) have given written informed consent to publish the case details and images.

Lee J.C., Chuang K.S., Hsueh Liu Y.W., Lin T.Y., Teng Y.C, & Wang L.W. (2019). A comparison of dose distributions in gross tumor volume between boron neutron capture therapy alone and combined boron neutron capture therapy plus intensity modulation radiation therapy for head and neck cancer. PLoS ONE, 14(4), e0210626.

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Femur Biomechanical Testing Protocol

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Eleven fresh-frozen femurs (Table 1) from eight donors who did not suffer from cancer or musculoskeletal pathologies (other than osteoporosis) were obtained through an ethically-approved international donation program (http://www.iiam.org/). Bone quality and lack of defects were verified through Dual-energy X-ray absorptiometry (DXA: Eclipse, Norland Co., USA), and computed tomography scanning (CT: Hi-Speed, General Electric, USA). The femurs were wrapped in cloths soaked with physiological solution during the whole procedure to avoid dehydration, and stored at -20°C when not in use. Biomechanical length (BL) and diameter of the head (HD)
were measured as in (Cristofolini_et_al.,2009 ). An anatomical reference frame was marked on each femur (Cristofolini,2012) . After resecting the condyles, the distal end of each specimen was embedded in acrylic bone cement in an aluminum pot (100-mm deep) so that 33% of the biomechanical length was free (Fig. 1).

Zani L., Erani P., Grassi L., Taddei F, & Cristofolini L. (2015). Strain distribution in the proximal Human femur during in vitro simulated sideways fall. Journal of biomechanics, 48(10).

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