一个自我适应的超声波贴片用于跨的多模式动态聚焦
Siqi Ku1, Yiran Wu1, Chenzhi You2
1State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
Ultrasonics
|March 6, 2026
概括
这项研究引入了一种灵活的聚焦超声波传感器,可以适应复杂的表面进行大脑刺激. 这种可穿戴设备可以实现精确,非侵入性神经调节和成像应用.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 材料科学 材料科学 材料科学
背景情况:
- 聚焦超声波 (FUS) 提供非侵入性大脑刺激,但面临着可穿戴设备一致性和动态聚焦方面的挑战.
- 现有的灵活的FUS探头在精确的动态聚焦方面扎,限制了它们在复杂的解剖面上的应用.
研究的目的:
- 为先进的可穿戴大脑科学应用开发一种可适应曲率和可重新配置的灵活聚焦传感器 (CR-FFT).
- 克服刚性和非适应性柔性FUS设备的局限性,以提高神经科学中的可用性.
主要方法:
- 在柔性,可拉伸的基板上使用激光处理制造64元矩阵探针.
- 实现行列定位 (RCA) 结构,用于多尺度光束成形和动态聚焦.
- 机械,电气和声学性能的系统表征,包括在绵羊头骨模型上进行验证.
主要成果:
- 该CR-FFT表现出高灵活性 (R≥1.5厘米),轻量设计 (≤1.58g) 和小型化 (≤9mm2).
- 在多个激活模式中成功验证RCA光束成形.
- 在复杂的绵羊头骨表面上证明了非侵入性相补偿,证实了适应性.
结论:
- CR-FFT是一种有前途的可穿戴技术,用于精确的,非侵入性的脑科学中聚焦超声波应用.
- 它的曲率适应性和可重新配置能力为有针对性的神经调节和先进的成像打开了新的道路.
- 该设备的设计克服了关键的局限性,为下一代脑计算机接口和疗法铺平了道路.
更多相关视频
08:38Author Spotlight: Integration of Fiber Photometry and Focused Ultrasound Neuromodulation for Investigating Neural Modulation in Freely Moving Mice
Published on: September 6, 2024
2.3K
09:47A Methodological Protocol and Considerations for Transcranial Ultrasonic Stimulation in Exploratory Clinical Human Studies
Published on: December 12, 2025
407
相关概念视频
01:29Penis
50.8K
The penis serves a dual role in sexual reproduction and urination. It consists of three main regions: the glans penis, the body, and the root, each with distinct functions and unique anatomical features.
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
50.8K
01:17Male Sexual Response: Erection & Ejaculation
31.3K
Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
31.3K
01:20Disorders of the Male Reproductive System
5.2K
Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
5.2K