U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Reduced noise NMR localization system

Patent 4851777 Issued on July 25, 1989. Estimated Expiration Date: Icon_subject April 11, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

NMR imaging system using field compensation
Patent #: 4685468
Issued on: 08/11/1987
Inventor: Macovski

Apparatus and method for decoupling MRI RF coil from selected body portions using passive components Patent #: 4703272
Issued on: 10/27/1987
Inventor: Arakawa

Inventor

Assignee

Application

No. 07/180180 filed on 04/11/1988

US Classes:

324/309, To obtain localized resonance within a sample324/307Using a nuclear resonance spectrometer system

Examiners

Primary: Levy, Stuart S.
Assistant: Arana, Louis

Attorney, Agent or Firm

International Classes

G01R 33/54 (20060101)
G01R 33/56 (20060101)
G01R 33/34 (20060101)
G01R 33/3415 (20060101)

Abstract

Magnetic resonance signals are received using a plurality of coils, each sensitive to different but overlapping regions of the volume being studied. The signals are combined so as to cancel in undesired regions of the body and receive net signals from only desired parts of the volume to enhance the signal-to-noise ratio for imaging and spectroscopy.

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