Patent · US Active

Failsafe protection from induced RF current for MRI RF coil assembly having transmit functionality

US9157972B2 · kind B2 · utility

1Cited by

4References

20Claims

0Family size

Assignees

Quality Electrodynamics, LLC · US
TOSHIBA MEDICAL SYSTEMS CORPORATION · JP

Inventors

Yoshinori Hamamura · Moreland Hills, US
Xiaoyu Yang · Hangzhou City, CN
Nicholas Castrilla · Ravenna, US
Christopher J. Allen · Pleasant Ridge, US
Shinji Mitsui · Nasushiobara, JP

Key dates

Filing date	Aug 15, 2012
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Feb 26, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01R33/543
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An electrically-controlled failsafe switch is included in an MRI transmit-and-receive RF coil assembly so as to protect it from induced RF currents in the event it is disconnected from an MRI system, but inadvertently left linked to strong MRI RF fields during imaging procedures using other RF coils.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.