Screening, monitoring, and treatment framework for focused ultrasound
US-2024412845-A1 · Dec 12, 2024 · US
Sub-aperture control in high intensity focused ultrasound
US8968205B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8968205-B2 |
| Application number | US-201113024574-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 10, 2011 |
| Priority date | Feb 10, 2011 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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Sub-aperture control is provided for high intensity focused ultrasound. Test transmissions are made sequentially from different sub-apertures. The tissue response at the focal regions is determined and used to select sub-apertures. For example, one or more sub-apertures are not used where temperature does not rise above certain threshold or tissue displacement is weak, such as associated with intervening bone or attenuating tissue. Other factors may be used instead or in addition to tissue response at the focal region. Relative proximity of the sub-apertures to a lesion, angular distribution of the sub-apertures, shape or size of the sub-aperture focal regions as compared to the tissue to be treated, or combinations thereof may be used. Once selected, the relative weight for each sub-aperture may be adjusted based on measured tissue response for each sub-aperture, such as to provide more equal treatment contribution from different sub-apertures.
First claim
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We claim: 1. A system for sub-aperture control for high intensity focused ultrasound, the system comprising: a phased array of elements, the array comprising an aperture; a sub-aperture circuit configured to activate and deactivate sub-arrays of the elements, the sub-arrays being sub-apertures of the aperture, each of the sub-apertures being less than all elements of the aperture; a processor configured to control the sub-aperture circuit so that the sub-aperture circuit is co…
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Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
- A61N7/02Primary
Human Necessities · mapped topic
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- What does patent US8968205B2 cover?
- Sub-aperture control is provided for high intensity focused ultrasound. Test transmissions are made sequentially from different sub-apertures. The tissue response at the focal regions is determined and used to select sub-apertures. For example, one or more sub-apertures are not used where temperature does not rise above certain threshold or tissue displacement is weak, such as associated with i…
- Who is the assignee on this patent?
- Zeng Xiaozheng, Sekins Kevin Michael, Barnes Stephen, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification A61N7/02. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).