US 11,841,408 B2
Electromagnetic shielding for magnetic resonance imaging methods and apparatus
Michael Stephen Poole, Guilford, CT (US); Cedric Hugon, Guilford, CT (US); Hadrien A. Dyvorne, New York, NY (US); Laura Sacolick, Guilford, CT (US); William J. Mileski, Ledyard, CT (US); Jeremy Christopher Jordan, Cromwell, CT (US); Alan B. Katze, Jr., Oxford, CT (US); Jonathan M. Rothberg, Miami Beach, FL (US); Todd Rearick, Cheshire, CT (US); and Christopher Thomas McNulty, Guilford, CT (US)
Assigned to Hyperfine Operations, Inc., Guilford, CT (US)
Filed by Hyperfine Operations, Inc., Guilford, CT (US)
Filed on May 6, 2020, as Appl. No. 16/868,105.
Application 16/868,105 is a continuation of application No. 15/880,482, filed on Jan. 25, 2018, granted, now 10,698,050.
Application 15/880,482 is a continuation of application No. 15/879,317, filed on Jan. 24, 2018, granted, now 10,274,561.
Application 15/879,317 is a continuation in part of application No. 15/821,207, filed on Nov. 22, 2017, granted, now 10,520,566.
Application 15/821,207 is a continuation in part of application No. 15/640,369, filed on Jun. 30, 2017, granted, now 10,627,464.
Application 15/879,317 is a continuation in part of application No. 15/640,369, filed on Jun. 30, 2017, granted, now 10,627,464.
Claims priority of provisional application 62/425,465, filed on Nov. 22, 2016.
Claims priority of provisional application 62/425,465, filed on Nov. 22, 2016.
Prior Publication US 2020/0264251 A1, Aug. 20, 2020
Int. Cl. G01R 33/38 (2006.01); G01R 33/385 (2006.01); G01R 33/383 (2006.01); G01R 33/44 (2006.01); A61B 50/13 (2016.01); A61B 5/055 (2006.01); G01R 33/389 (2006.01); G01R 33/421 (2006.01); G01R 33/56 (2006.01); A61B 6/00 (2006.01); A61G 13/10 (2006.01); G01R 33/34 (2006.01); G01R 33/48 (2006.01); A61B 90/00 (2016.01); G01R 33/3873 (2006.01); G01R 33/36 (2006.01); G01R 33/422 (2006.01)
CPC G01R 33/3852 (2013.01) [A61B 5/055 (2013.01); A61B 6/4405 (2013.01); A61B 50/13 (2016.02); A61B 90/00 (2016.02); A61G 13/104 (2013.01); G01R 33/34092 (2013.01); G01R 33/38 (2013.01); G01R 33/383 (2013.01); G01R 33/389 (2013.01); G01R 33/4215 (2013.01); G01R 33/445 (2013.01); G01R 33/48 (2013.01); G01R 33/5608 (2013.01); A61B 2560/0431 (2013.01); G01R 33/3642 (2013.01); G01R 33/3657 (2013.01); G01R 33/3802 (2013.01); G01R 33/385 (2013.01); G01R 33/3806 (2013.01); G01R 33/3854 (2013.01); G01R 33/3873 (2013.01); G01R 33/422 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A portable magnetic resonance imaging system, comprising:
at least one B0 magnet configured to produce a B0 field for an imaging region of the portable magnetic resonance imaging system;
a noise reduction system including at least one radio frequency coil positioned outside of the imaging region, wherein the noise reduction system is configured to detect and suppress at least some electromagnetic noise in an operating environment of the portable magnetic resonance imaging system; and
electromagnetic shielding for the imaging region of the portable magnetic resonance imaging system, the electromagnetic shielding comprising a frame and a first shield member slidably coupled to the frame to allow the first shield member to be opened and closed to provide an amount of shielding of the imaging region of the portable magnetic resonance imaging system that is variable between at least a first amount of shielding and a second amount of shielding of the imaging region.