[특허]Ultrasound scanning capsule endoscope (USCE

Innurvation, Inc.

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()	우선순위가 가장 높은 연산자	예1) (나노 (기계 \| machine))
공백	두 개의 검색어(식)을 모두 포함하고 있는 문서 검색	예1) (나노 기계) 예2) 나노 장영실
\|	두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색	예1) (줄기세포 \| 면역) 예2) 줄기세포 \| 장영실
!	NOT 이후에 있는 검색어가 포함된 문서는 제외	예1) (황금 !백금) 예2) !image
*	검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색	예) semi*
""	따옴표 내의 구문과 완전히 일치하는 문서만 검색	예) "Transform and Quantization"

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Ultrasound scanning capsule endoscope (USCE

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-001/04
미국특허분류(USC)	600/109; 600/117; 600/437; 600/459
출원번호	US-0073424 (2011-03-28)
등록번호	US-8647259 (2014-02-11)
발명자 / 주소	Arneson, Michael Bandy, William Shanks, Wayne
출원인 / 주소	Innurvation, Inc.
대리인 / 주소	Sterne, Kessler, Goldstein & Fox P.L.L.C.
인용정보	피인용 횟수 : 2 인용 특허 : 116

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The present invention relates to ultrasound imaging on a capsule endoscope platform. It relates to the generation of a focused ultrasound acoustic signal and the receiving of echo signals from the wall of a body lumen with an array of acoustic transducers wrapped around the circumference of the capsule. It relates to sending the generated echo image signals to receiver devices attached or worn on the body. It relates to the generation of 360° overlapping sidewall ultrasound scans of a body lumen, and image processing techniques to assemble these scans in...

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1. An ultrasound scanning capsule endoscope, comprising: a housing configured to have a size that is ingestible;an ultrasonic transducer array wrapped around a circumference of the housing, each transducer in the ultrasonic transducer array being configured to transmit an ultrasonic signal and to receive an echo signal;a timing circuit configured to induce transmission of a respective ultrasonic signal by each transducer according to a phased array sequence,wherein the phased array sequence configures the ultrasonic transducer array into consecutive phased arrays around the circumference of the housing for sequentially imaging one or more voxels at a time around the circumference, andwherein the consecutive phased arrays utilize a number of transducers when configured for transmission of their respective ultrasonic signals that is greater than a number of transducers when configured for reception of their respective echo signals. 2. The ultrasound scanning capsule endoscope of claim 1, wherein a wavelength of the ultrasonic signal transmitted by each transducer in the ultrasonic transducer array is related to a center-to-center transducer element spacing between adjacent transducers in the ultrasonic transducer array. 3. The ultrasound scanning capsule endoscope of claim 2, wherein the wavelength of the ultrasonic signal transmitted by each transducer in the ultrasonic transducer array is a multiple of the center-to-center transducer element spacing. 4. The ultrasound scanning capsule endoscope of claim 1, wherein each transducer in the ultrasonic transducer array is configured to enter into a receive mode of operation to listen for the echo signal after transmitting its respective ultrasonic signal in a transmit mode of operation. 5. The ultrasound scanning capsule endoscope of claim 1, wherein transducers in the ultrasonic transducer array that are further away from a center of their respective consecutive phased array provide their respective ultrasonic signals before transducers in the ultrasonic transducer array that are closer to the center. 6. The ultrasound scanning capsule endoscope of claim 1, wherein the consecutive phased arrays are configured and arranged to form a plurality of quadrants around the circumference, each of the plurality of quadrants being configured to simultaneously image one or more respective voxels from among the one or more voxels. 7. The ultrasound scanning capsule endoscope of claim 1, wherein the consecutive phased arrays are configured to sequentially image the one or more voxels around the circumference until all circumference voxels have been imaged. 8. The ultrasound scanning capsule endoscope of claim 1, wherein the consecutive phased arrays maintain a common center transducer when switching between transmission and reception configurations. 9. An ultrasound scanning capsule endoscope, comprising: an ultrasonic transducer phased array wrapped around a circumference of a housing, each transducer in the ultrasonic transducer phased array being configured to transmit an ultrasonic signal and to receive an echo signal;a timing circuit configured to induce transmission of a respective ultrasonic signal by each transducer in the ultrasonic transducer phased array according to a phased array sequence to sequentially image one or more voxels at a time around the circumference,wherein each phased array within the phased array sequence utilizes a number of transducers when configured for transmission of its respective ultrasonic signal that is greater than a number of transducers when configured for reception of its respective echo signal. 10. The ultrasound scanning capsule endoscope of claim 9, wherein a wavelength of the ultrasonic signal transmitted by each transducer in the ultrasonic transducer phased array is related to a center-to-center transducer element spacing between adjacent transducers in the ultrasonic transducer phased array. 11. The ultrasound scanning capsule endoscope of claim 10, wherein the wavelength of the ultrasonic signal transmitted by each transducer in the ultrasonic transducer phased array is a multiple of the center-to-center transducer element spacing. 12. The ultrasound scanning capsule endoscope of claim 9, wherein each transducer in the ultrasonic transducer phased array is configured to enter into a receive mode of operation to listen for an echo signal after transmitting its respective ultrasonic signal in a transmit mode of operation. 13. The ultrasound scanning capsule endoscope of claim 9, wherein transducers in the ultrasonic transducer phased array that are further away from a center of their respective phased array provide their respective ultrasonic signals before transducers in the ultrasonic transducer phased array that are closer to the center. 14. The ultrasound scanning capsule endoscope of claim 9, wherein the ultrasonic transducer phased array is configured and arranged to form a plurality of quadrants around the circumference, each of the plurality of quadrants being configured to simultaneously image one or more respective voxels from among the one or more voxels. 15. The ultrasound scanning capsule endoscope of claim 9, wherein the ultrasonic transducer phased array is configured to sequentially image the one or more voxels around the circumference until all circumference voxels have been imaged. 16. The ultrasound scanning capsule endoscope of claim 9, wherein each phased array within the phased array sequence maintains a common center transducer when switching between transmission and reception configurations. 17. A method for imaging an intestinal tract, comprising: transmitting, by a first plurality of transducers, a first plurality of ultrasonic signals, each transducer from among the first plurality of transducers being part of a respective phased array from among a consecutive phased array that is wrapped around the circumference of an ultrasound scanning capsule;receiving, by a subset of the first plurality of transducers, a first plurality of echoes resulting from the first plurality of ultrasonic signals reflecting off of the intestinal tract to image one or more first voxels of the intestinal tract;transmitting, by a second plurality of transducers, a second plurality of ultrasonic signals each transducer from among the second plurality of transducers being part of another respective phased array from among the consecutive phased array; andreceiving, by a subset of the second plurality of transducers, a second plurality of echoes resulting from the second plurality of ultrasonic signals reflecting off of the intestinal tract to image one or more second voxels of the intestinal tract. 18. The method of claim 17, further comprising: activating the second plurality of transducers after the first plurality of transducers have transmitted the first plurality of ultrasonic signals, the second plurality of transducers being closer to a center of their respective phased array than the first plurality of transducers. 19. The method of claim 17, further comprising: repeating the transmitting and the receiving steps for other plurality of transducers from among the consecutive phased array until all circumference voxels have been imaged. 20. The method of claim 17, wherein the step of receiving the second plurality of echoes comprises: receiving the second plurality of echoes to image the one or more second voxels that overlap the one or more first voxels. 21. The method of claim 17, wherein the step of transmitting the first plurality of ultrasonic signals comprises: transmitting the first plurality of ultrasonic signals having wavelengths that are related to a center-to-center transducer element spacing between adjacent transducers in their respective phased array. 22. The method of claim 21, wherein the step of transmitting the second plurality of ultrasonic signals comprises: transmitting the second plurality of ultrasonic signals having wavelengths that are related to a center-to-center transducer element spacing between adjacent transducers in their respective phased array.

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Ultrasound scanning capsule endoscope (USCE

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