[특허]Method and apparatus for enhanced T1 NMR measurements using repetition intervals TR related to one another by integer mu

Method and apparatus for enhanced T1 NMR measurements using repetition intervals TR related to one another by integer mu 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-024/08 G01R-033/20
출원번호	US-0515857 (1983-07-21)
발명자 / 주소	Cannon Clifford R. (Pacifica CA) Ortendahl Douglas A. (Berkeley CA)
출원인 / 주소	The Regents of the University of California (Berkeley CA 02)
인용정보	피인용 횟수 : 17 인용 특허 : 3

초록 ▼

An analytic closed solution for the spin-lattice relaxation time T1 is provided in terms of the repetition interval time TR and the differing NMR signal response intensities I1 and I2 obtained when using different repetition intervals TR1 and TR2 which are related to one another by integer multipliers. The result is a method and apparatus which directly and non-iteratively generate a spin-lattice relaxation time signal value T1 for each voxel within a selected region of an object under test so as to quickly, economically and accurately produce a T1 image of nutated nuclei within the region.

대표청구항 ▼

Apparatus for generating a spin-lattice relaxation time value T1 for NMR-excited nuclei, said apparatus comprising: means for measuring an NMR signal intensity value I1 for said nuclei using a first TR NMR time; means for measuring an NMR signal intensity value I2 for said nuclei using a second TR NMR time where said first and second TR times are related to one another by an integer multiplier greater than one; and means for directly generating a spin-lattice relaxation time T1 for said nuclei from said measured I1 and I2 signal intensity values and said TR time.

이 특허에 인용된 특허 (3)

Crooks Lawrence E. (Richmond CA) Hoenninger ; III John C. (Berkeley CA) Arakawa Mitsuaki (Forest City CA), Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance.
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Crooks Lawrence E. (Richmond CA) Hoenninger ; III John C. (Berkeley CA) Arakawa Mitsuaki (San Mateo CA), Method and apparatus for rapid NMR imaging of nuclear densities within an object.
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Crooks Lawrence E. (Richmond CA) Hoenninger ; III John C. (Oakland CA) Arakawa Mitsuaki (San Mateo CA), Method and apparatus for rapid NMR imaging of nuclear parameters with an object.
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이 특허를 인용한 특허 (17)

Gilmour,Steven B.; Modzelewski,Brent E., Distinguishing test types through spectral analysis.
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Modzelewski, Brent E.; Gilmour, Steven B., Distinguishing test types through spectral analysis.
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Van Den Brink, Johan; Hoogeveen, Romhild Martijn; Folkers, Paulus Johannes Maria; Pruessmann, Klaas Paul; Weiger, Markus, Magnetic resonance imaging method with a decay time function of sub-sampled acquisition data.
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Van Den Brink,Johan; Hoogeveen,Romhild Martijn; Folkers,Paulus Johannes Maria; Pruessmann,Klaas Paul; Weiger,Markus, Magnetic resonance imaging method with a decay time function of sub-sampled acquisition data.
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Lawrence Ryner CA, Magnetic resonance spectroscopic imaging with a variable repetition time in conjunction with a variable data acquisition time.
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Modzelewski, Brent E.; Gilmour, Steven B.; Roth, G. Thomas; Bell, Douglas E., Method for determining concentration of an analyte in a test strip.
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Phillips Roger ; McGarraugh Geoffery ; Jurik Franklin A. ; Underwood Raymond D., Reflectance measurement of analyte concentration with automatic initiation of timing.
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Phillips Roger (Palo Alto CA) McGarraugh Geoffery (Scotts Valley CA) Jurik Franklin A. (San Mateo CA) Underwood Raymond D. (Red Bluff CA), Whole blood glucose test strip.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

연합인증

Method and apparatus for enhanced T1 NMR measurements using repetition intervals TR related to one another by integer mu 원문보기