| Presentation | 2007/6/12 Consideration on the behavior of the microbubble using multiple-pulse transmission method Hiroyuki OHUCHI, Naohisa KAMIYAMA, Tetsuya KAWAGISHI, Tomohisa IMAMURA, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In diagnostic ultrasound imaging, microbubble-based contrast agents are currently used to enhance blood flow signals. Since the microbubbles in the blood vassels have various diameters and various resonant frequencies, the bubbles resonated by a transmission pulse with single frequency component will be limited. We have proposed a multiple-pulse transmission method with different frequencies (called frequency modulation methods) to stimulate more microbubbles. Frequency spectrum of the echo from bubbles was obtained from the numerical simulation, the phantom experiment and animal study. In comparison with the second harmonic method and the amplitude modulation method (AM), which utilizes a single frequency component, FM methods can detect more echo signals from microbubbles with wideband frequency components. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | ultrasound diagnostic imaging / nonlinear gehavior / frequency modulation / numerical simlation |
| Paper # | US2007-18 |
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| Conference Information | |
| Committee | US |
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| Conference Date | 2007/6/12(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Ultrasonics (US) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Consideration on the behavior of the microbubble using multiple-pulse transmission method |
| Sub Title (in English) | |
| Keyword(1) | ultrasound diagnostic imaging |
| Keyword(2) | nonlinear gehavior |
| Keyword(3) | frequency modulation |
| Keyword(4) | numerical simlation |
| 1st Author's Name | Hiroyuki OHUCHI |
| 1st Author's Affiliation | Toshiba Medical Systems Corp.() |
| 2nd Author's Name | Naohisa KAMIYAMA |
| 2nd Author's Affiliation | Toshiba Medical Systems Corp. |
| 3rd Author's Name | Tetsuya KAWAGISHI |
| 3rd Author's Affiliation | Toshiba Medical Systems Corp. |
| 4th Author's Name | Tomohisa IMAMURA |
| 4th Author's Affiliation | Toshiba Medical Systems Corp. |
| Date | 2007/6/12 |
| Paper # | US2007-18 |
| Volume (vol) | vol.107 |
| Number (no) | 96 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |