Diagnostic Value of Ultrasound in Children with Discoid Lateral Meniscus Using Either an Intracavitary Convex Array Probe or a Linear Array Probe

Abstract The critical problem to accurately characterizing defects in GH3535 alloy weld is the deflection of the acoustic beam and scattering due to the coarse columnar grains. Signal-to-noise ratio is an important index to indicate whether the grain scattering is severein the ultrasonic inspection. In this paper, the phased array ultrasonic testing of GH3535 alloy butt weld was studied using sector scan mode with linear array probe. The soundfield characteristics of the linear array probe with different focusing parameters were analyzed, and the signal-to-noise ratio in the detection was calculated. The results show that: the acoustic beam of the linear array probe can cover the weld,based on the removal of weld reinforcement. The signal-to-noise ratio of transverse hole with φ3mm located at the weld-fusion lineis more than 15dB, when the front end ofthe probe is located directly above the transverse hole of weld-fusion line.

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Ultrasonography for the Diagnosis of Carpal Tunnel Syndrome in Diabetic Patients: Missing the Mark?

RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren ◽

10.1055/a-0639-5713 ◽

2018 ◽

Vol 191 (02) ◽

pp. 117-121 ◽

Cited By ~ 2

Author(s):

Fabian Steinkohl ◽

Alexander Loizides ◽

Leonhard Gruber ◽

Michael Karpf ◽

Gabriele Mörsdorf ◽

...

Keyword(s):

Carpal Tunnel Syndrome ◽

Diagnostic Accuracy ◽

Carpal Tunnel ◽

Linear Array ◽

Diabetic Patients ◽

Cross Sectional ◽

Key Points ◽

Array Probe ◽

Tunnel Syndrome ◽

Linear Array Probe

Purpose Diabetes mellitus (DM) and carpal tunnel syndrome (CTS) are common pathologies. The diagnosis of CTS can be facilitated by the use of an ultrasound-based wrist-to-forearm ratio (WFR) of the nerve diameter. However, the applicability of WFR in DM-patients is not yet clear. Materials and Methods 233 wrists of 153 patients were examined. Cross-sectional areas (CSA) of the median nerve were obtained using a linear array probe. The WFR was calculated. Results Diabetics with CTS had significantly lower WFR values than non-diabetics with CTS (p = 0.002). There was no difference between the WFR of diabetics with and without CTS (p = 0.06). The diagnostic accuracy between diabetics with and without CTS was low for measurements of WFR (ROC AUC = 0.630, 95 % CI 0.541 – 0.715, p = 0.011). Conclusion Our findings suggest that the WFR has a low diagnostic accuracy in diabetic patients with CTS and should be used with caution in those patients. Key Points Citation Format

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Exploring the Versatility of a Variable Frequency 5/7.5 MHz Linear Array Probe

Journal of Equine Veterinary Science ◽

10.1016/s0737-0806(06)81685-0 ◽

1994 ◽

Vol 14 (12) ◽

pp. 650-651

Keyword(s):

Linear Array ◽

Variable Frequency ◽

Array Probe ◽

Linear Array Probe

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Ultrasound study of the right lung in the anterior chest with a straight linear array probe (5–13 MHz) demonstrates sliding pleura with each breath

ASVIDE ◽

10.21037/asvide.2017.506 ◽

2017 ◽

Vol 4 ◽

pp. 506-506

Author(s):

Abhishek Biswas

Keyword(s):

Linear Array ◽

Ultrasound Study ◽

Array Probe ◽

The Right ◽

Linear Array Probe

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A Novel Ultrasound Imaging System Based on Endoscopic Array Probe

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.588-589.1148 ◽

2012 ◽

Vol 588-589 ◽

pp. 1148-1151

Author(s):

Yun Xia Hao ◽

Ying Li ◽

Yi Wang ◽

Xiao Dong Chen ◽

Dao Yin Yu

Keyword(s):

Ultrasound Imaging ◽

Linear Array ◽

Imaging System ◽

Control Unit ◽

Single Element ◽

System A ◽

Array Probe ◽

Linear Array Probe ◽

Array Ultrasound

A novel ultrasound imaging system based on endoscopic array probe is presented in this paper. The system utilizes an endoscopic linear-array probe instead of the conventional single-element probe to implement ultrasound scanning in vivo. For the system, a micro linear-array ultrasound probe sized Φ10mm×20mm is firstly designed. And then the excitation circuit, gating circuit and echo receiving and processing circuit are all designed cored by a center control unit FPGA. Finally the research of d/2 focusing algorithm is implemented on the basis of the system. After processed, the gray image of echoes reflected by a glass jar’s wall is obtained and shown on a computer.

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