Localized pulsed superconductive MRI system
Patent 5835995 Issued on November 10, 1998. Estimated Expiration Date: 
October 28, 2016. 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.
October 28, 2016. 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 ReferencesMethod of measuring internal information from a target by using nuclear magnetic resonance Pulsed field MRI system with non-resonant excitation Switched field magnetic resonance imaging Patent #: 5629624 InventorsApplicationNo. 738535 filed on 10/28/1996US Classes:324/309, To obtain localized resonance within a sample324/307Using a nuclear resonance spectrometer systemExaminersPrimary: Arana, LouisInternational ClassG01V 003/00AbstractA pulsed strong magnetic field, created with a superconductive coil, is applied to a selected region of the anatomy. Following the pulse a relatively low readout field is used along with a set of spatially orthogonal gradient fields parallel to the readout field. The readout field is chosen such that the noise arises primarily from body losses, and results in negligible susceptibility effects. Following excitation, the resultant signals from the precessing moments are detected, processed and used to make magnetic resonance images of the object. The field pulsing is made efficient using energy recovery. | |
