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- W4309828208 abstract "Current ultrasound (US)-image-guided needle insertions often require an expertized technique for clinicians because the performance of tasks in a three-dimensional space using two-dimensional images requires operators to cognitively maintain the spatial relationships between the US probe, the needle, and the lesion. This work presents forward-viewing US imaging with a ring array configuration to enable needle interventions without requiring the registration between tools and targets.The center-open ring array configuration allows the needle to be inserted from the center of the visualized US image, providing simple and intuitive guidance. To establish the feasibility of the ring array configuration, the design parameters causing the image quality, including the radius of the center hole and the number of ring layers and transducer elements, were investigated.Experimental results showed successful visualization, even with a hole in the transducer elements, and the target visibility was improved by increasing the number of ring layers and the number of transducer elements in each ring layer. Reducing the hole radius improved the region's image quality at a shallow depth.Forward-viewing US imaging with a ring array configuration has the potential to be a viable alternative to conventional US image-guided needle insertion methods." @default.
- W4309828208 created "2022-11-29" @default.
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- W4309828208 date "2022-11-23" @default.
- W4309828208 modified "2023-10-01" @default.
- W4309828208 title "Concentric-ring arrays for forward-viewing ultrasound imaging" @default.
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- W4309828208 doi "https://doi.org/10.1117/1.jmi.9.6.065002" @default.
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