Needle visibility for deep punctures with curved arrays

机译：针头可见度，可弯曲阵列深刺

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Sonography is the standard technique for monitoring local punctures with needles. Using convex arrays for deeper puncture targets, an increasingly poorer needle visibility is expected. However, it is observed that the needle reappears for large incidence angles of the ultrasound wave to the needle. It is investigated, whether this effect is caused by resonant scattering of the needle. Measurements and simulations demonstrate that resonant scattering occurs for angles of incidence larger than the Rayleigh-angle caused by the excitation of helical guided waves propagating circumferentially and axially. This effect could be exploited to improve needle visibility by adaptive beamforming.

机译：超声检查是监测针头局部穿刺的标准技术。将凸面阵列用于更深的穿刺目标，可以预见的针头可见性会越来越差。但是，可以观察到，超声波以较大的入射角再次出现在针头上。研究该效果是否是由于针的共振散射引起的。测量和仿真表明，入射角大于瑞利角时会发生共振散射，该入射角是由沿周向和轴向传播的螺旋形导波的激发引起的。可以利用这种效果来通过自适应波束形成来改善针的可见性。

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《IEEE International Ultrasonics Symposium》|2014年|1880-1883|共4页
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Dencks Stefanie; Susanti Hesty; Schmitz Georg;
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Acoustics; Array signal processing; Needles; Resonant frequency; Scattering; Ultrasonic imaging; Ultrasonic variables measurement; convex array; guided waves; local punctures; needle visibility; resonance scattering theory;

机译：声学;阵列信号处理;针;共振频率;散射;超声成像;超声变量测量;凸阵列;导波;局部穿刺;针头可见度;共振散射理论;

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2. Simple Fluoroscopy-Guided Transforaminal Lumbar Puncture: Safety and Effectiveness of a Coaxial Curved-Needle Technique in Patients with Spinal Muscular Atrophy and Complex Spines [J] . Jacobson J. P., Cristiano B. C., Hoss D. R. AJNR. American journal of neuroradiology . 2020,第1期

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机译：超声波导动脉胫骨动脉和静脉的经皮直接针刺，简化血管内血管深静脉动脉化，超声波引导下的胫骨动脉和静脉（AV矛技术）
4. Needle visibility for deep punctures with curved arrays [C] . Dencks Stefanie, Susanti Hesty, Schmitz Georg IEEE International Ultrasonics Symposium . 2014

机译：用弯曲阵列的深度穿刺的针可见性
5. Multi-objective particle swarm optimization of a modified Bernstein polynomial for curved phased array synthesis using Bezier curves, surfaces, and volumes. [D] . Boeringer, Daniel Wilharm. 2004

机译：修正的Bernstein多项式的多目标粒子群优化，用于使用Bezier曲线，曲面和体积进行弯曲相控阵合成。
6. Evaluation of vascular puncture needles with specific modifications for enhanced ultrasound visibility: In vitro study [O] . Nobuyuki Kawai, Hiroki Minamiguchi, Morio Sato, 2012

机译：评估具有特定修改以增强超声可见度的血管穿刺针：体外研究
7. Effects of transmission frequency and puncture needle properties on the ultrasonic visibility of the puncture needle tip: a fundamental study [O] . Tadashi Kamata, Mayumi Tomita, Noriyuki Iehara 2020

机译：透射频率和穿刺针性能对穿刺针提示超声可视性的影响：基础研究

Needle visibility for deep punctures with curved arrays

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