Low field magnetic resonance imaging methods and apparatus
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01V-003/00
G01R-033/38
G01R-033/36
G01R-033/385
G01R-033/44
G01R-033/58
G01R-033/48
H01F-007/02
H01F-007/06
G01R-033/381
G01R-033/383
G01R-033/3875
G01R-033/54
G01R-033/56
G01R-033/34
G01R-033/422
출원번호
US-0049309
(2016-02-22)
등록번호
US-9541616
(2017-01-10)
발명자
/ 주소
Rothberg, Jonathan M.
Rosen, Matthew Scot
Charvat, Gregory L.
Mileski, William J.
Rearick, Todd
Poole, Michael Stephen
출원인 / 주소
Hyperfine Research, Inc.
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
11
초록▼
According to some aspects, a laminate panel is provided. The laminate panel comprises at least one laminate layer including at least one non-conductive layer and at least one conductive layer patterned to form at least a portion of a B0 coil configured to contribute to a B0 field suitable for use in
According to some aspects, a laminate panel is provided. The laminate panel comprises at least one laminate layer including at least one non-conductive layer and at least one conductive layer patterned to form at least a portion of a B0 coil configured to contribute to a B0 field suitable for use in low-field magnetic resonance imaging (MRI).
대표청구항▼
1. A low-field magnetic resonance imaging (MRI) system, comprising: a B0 magnet configured to produce a B0 magnetic field at a field strength of less than 0.2 T for low-field MRI, the B0 magnet comprising an electromagnet having at least one wound B0 coil formed by a wound conductor and configured t
1. A low-field magnetic resonance imaging (MRI) system, comprising: a B0 magnet configured to produce a B0 magnetic field at a field strength of less than 0.2 T for low-field MRI, the B0 magnet comprising an electromagnet having at least one wound B0 coil formed by a wound conductor and configured to contribute to the B0 magnetic field; andat least one laminate panel having a plurality of components formed thereon, the plurality of components comprising: at least one gradient coil configured to, when operated, generate or contribute to a magnetic field to provide spatial encoding of emitted magnetic resonance (MR) signals to facilitate low-field MRI; andat least one patterned B0 coil configured to contribute to the B0 magnetic field. 2. The low-field MRI system of claim 1, wherein the at least one laminate panel comprises a first laminate panel and a second laminate panel, and wherein the first laminate panel and the second laminate panel are arranged in a bi-planar configuration. 3. The low-field MRI system of claim 2, wherein the at least one wound B0 coil comprises at least one first wound B0 coil and at least one second wound B0 coil arranged in a bi-planar configuration. 4. The low-field MRI system of claim 3, wherein the first laminate panel is arranged proximate the at least one first wound B0 on a first side of a field of view of the B0 magnet and the second laminate panel is arranged proximate the at least one second wound B0 coil on a second side of the field of view of the B0 magnet. 5. The low-field MRI system of claim 4, wherein the first laminate panel comprises a first plurality of patterned B0 coils formed on at least four separate laminate layers of the first laminate panel, and wherein the second laminate panel comprises a second plurality of patterned B0 coils formed on at least four separate laminate layers of the second laminate panel. 6. The low-field MRI system of claim 4, wherein the first laminate panel comprises a first plurality of patterned B0 coils formed on at least ten separate laminate layers of the first laminate panel, and wherein the second laminate panel comprises a second plurality of patterned B0 coils formed on at least ten separate laminate layers of the second laminate panel. 7. The low-field MRI system of claim 4, further comprising a transportable structure configured to house and/or support the B0 magnet, the first laminate panel and the second laminate panel, the transportable housing allowing the low-field MRI system to be transported to desired locations. 8. The low-field MRI system of claim 7, further comprising wheels coupled to the structure to allow the low-field MRI system to be wheeled to the desired locations. 9. The low-field MRI system of claim 8, further comprising: at least one radio frequency coil to transmit radio frequency signals in accordance with a predetermined pulse sequence, and wherein the portable structure houses:one or more power components configured to power the B0 magnet, the first laminate panel, the second laminate panel and the at least one radio frequency coil; anda console configured to control components of the low-field MRI system in accordance with the predetermine pulse sequence. 10. The low-field MRI system of claim 9, wherein the at least one radio frequency coil comprises at least one receive coil configured to respond to magnetic resonance signals emitted from the field of view. 11. The low-field MRI system of claim 10 comprising at least one auxiliary sensor positioned proximate to, but outside of, the field of view to acquire one or more noise signals used to suppress noise in the magnetic resonance signals received by the at least one receive coil. 12. The low-field MRI system of claim 9, wherein the console comprises a user interface device to allow a user to operate the low-field MRI system at the portable structure. 13. The low-field MRI system of claim 8, wherein the first laminate panel and the second laminate panel each have dimensions of approximately 8″×8″ or more. 14. The low-field MRI system of claim 13, wherein the first laminate panel and the second laminate panel each have dimensions of approximately 16″×16″ or more. 15. The low-field MRI system of claim 14, wherein the first laminate panel and the second laminate panel each have dimensions of approximately 22″×22″ or more. 16. The low-field MRI system of claim 8, wherein at least one first wound B0 coil and at least one second wound B0 coil each have an inner diameter of greater than or equal to approximately 10 inches and less than or equal to approximately 50 inches and an outer diameter of greater than or equal to approximately 15 inches and less than or equal to approximately 80 inches. 17. The low-field MRI system of claim 16, wherein the at least one first wound B0 coil and the at least one second wound B0 coil are wound with a copper conductor having at least 100 turns. 18. The low-field MRI system of claim 7, further comprising at least one transformable component to facilitate transforming the low-field MRI system from a first configuration suitable for transporting the low-field MRI system, to a second configuration suitable for operating the low-field MRI system. 19. The low-field MRI system of claim 4, wherein the first laminate panel, the second laminate panel, the at least one first wound B0 coil and the at least one second B0 coil are produced of a size and arranged relative to one another so as to facilitate low-field MRI of specific anatomy. 20. The low-field MRI system of claim 19, wherein the first laminate panel, the second laminate panel, the at least one first wound B0 coil and the at least one second B0 coil are produced of a size and arranged relative to one another so as to facilitate low-field MRI of a patient's head, and wherein the B0 field produced by the low-field MRI system has a field of view sufficient for imaging the patient's brain. 21. The low-field MRI system of claim 1, wherein the at least one patterned B0 coil comprises at least one correction coil configured to contribute to the B0 magnetic field to affect the homogeneity of the B0 magnetic field. 22. The low-field MRI system of claim 1, wherein the at least one gradient coil formed on the at least one laminate panel comprises at least one x-gradient coil, at least one y-gradient coil, and at least one z-gradient coil to provide spatial encoding in x, y, and z directions, respectively. 23. The low-field MRI system of claim 22, wherein: the x-gradient coil is formed, via chemical etching, on a plurality of layers of the at least one laminate panel;the y-gradient coil is formed, via chemical etching, on a plurality of layers of the at least one laminate panel; andthe z-gradient coil is formed, via chemical etching, on a plurality of layers of the at least one laminate panel. 24. The low-field MRI system of claim 1, further comprising a cart supporting and/or housing the B0 magnet, the first laminate panel and the second laminate panel, the cart providing for a cartable low-field MRI system capable of being pushed to desired locations. 25. The low-field MRI system of claim 24, further comprising at least one sliding component configured to support a patient, the at least one sliding component allowing the patient to be positioned between the first laminate panel and the second laminate panel. 26. The low-field MRI system of claim 1, further comprising: a frame to support the first laminate panel and the second laminate panel; andan adjustable seat to position a patient between the first laminate panel and the second laminate panel. 27. The low-field MRI system of claim 1, wherein the B0 magnet is configured to produce a B0 magnetic field having a strength equal to or less than approximately 0.2 T and greater than or equal to approximately 0.1 T. 28. The low-field MRI system of claim 1, wherein the B0 magnet is configured to produce a B0 magnetic field having a strength equal to or less than approximately 0.1 T and greater than or equal to approximately 50 mT. 29. The low-field MRI system of claim 1, wherein the B0 magnet is configured to produce a B0 magnetic field having a strength equal to or less than approximately 50 mT and greater than or equal to approximately 20 mT. 30. The low-field MRI system of claim 1, wherein the B0 magnet is configured to produce a B0 magnetic field having a strength equal to or less than approximately 20 mT and greater than or equal to approximately 10 mT.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (11)
Serafin Daniel L. ; Schultz Paul B. ; Askin Albert L. ; Stanko Donald J., Aluminum laminate.
Carlson Joseph W. (Kensington CA) Kaufman Leon (San Francisco CA), Method and apparatus for MRI using selectively shaped image volume of homogeneous NMR polarizing field.
Damadian Raymond V. (Woodbury NY) Giambalvo Anthony J. (Kings Park NY) Shenoy Rajendra K. (Commack NY) Votruba Jan V. (Port Jefferson Station NY), NMR screening method.
Danby Gordon T. (Melville NY) Damadian Raymond V. (Melville NY) Minkoff Lawrence A. (Melville NY), Nuclear magnetic resonance apparatus including permanent magnet configuration.
Poole, Michael Stephen; Hugon, Cedric; Dyvorne, Hadrien A.; Sacolick, Laura; Mileski, William J.; Jordan, Jeremy Christopher; Katze, Jr., Alan B.; Rothberg, Jonathan M.; Rearick, Todd; McNulty, Christopher Thomas, Portable magnetic resonance imaging methods and apparatus.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.