Insulated RF shield
First Claim
1. A radio frequency shield for use adjacent an extremity of a patient'"'"'s body during a magnetic resonance examination by magnetic resonance examination apparatus, comprising:
- (A) an electrically conductive layer having a pair of opposed surfaces;
(B) a pair of electrically insulative layers, one of said insulative layers being disposed adjacent one of said opposed surfaces for positioning intermediate said conductive layer and the patient'"'"'s extremity to insulate the patient'"'"'s extremity from said conductive layer, and the other of said insulative layers being disposed adjacent the other side of said conductive layer and other material to insulate the other material from said conductive layer; and
(C) an electrically conductive article disposed adjacent said other insulative layer;
said conductive layer and said pair of insulative layers defining a shielding element essentially enclosing a volume including therein said electrically conductive article;
said shield defining only a single aperture therethrough and being configured and dimensioned to receive therein through said aperture an extremity of the patient'"'"'s body.
1 Assignment
0 Petitions
Accused Products
Abstract
A RF shield, for use adjacent a portion of a patient'"'"'s body during a magnetic resonance examination by magnetic resonance examination apparatus, includes an electrically and thermally conductive layer having a pair of opposed surfaces, and a pair of electrically and thermally insulative layers. One of the insulative layers is disposed adjacent one of the opposed surfaces for positioning intermediate the conductive layer and the patient'"'"'s body portion to insulate the patient'"'"'s body from the conductive layer, and the other of the insulative layers is disposed adjacent the other of the opposed surfaces for positioning intermediate the conductive layer and the magnetic resonance examination apparatus to insulate the magnetic resonance apparatus from the conductive layer.
-
Citations
25 Claims
-
1. A radio frequency shield for use adjacent an extremity of a patient'"'"'s body during a magnetic resonance examination by magnetic resonance examination apparatus, comprising:
-
(A) an electrically conductive layer having a pair of opposed surfaces; (B) a pair of electrically insulative layers, one of said insulative layers being disposed adjacent one of said opposed surfaces for positioning intermediate said conductive layer and the patient'"'"'s extremity to insulate the patient'"'"'s extremity from said conductive layer, and the other of said insulative layers being disposed adjacent the other side of said conductive layer and other material to insulate the other material from said conductive layer; and (C) an electrically conductive article disposed adjacent said other insulative layer; said conductive layer and said pair of insulative layers defining a shielding element essentially enclosing a volume including therein said electrically conductive article; said shield defining only a single aperture therethrough and being configured and dimensioned to receive therein through said aperture an extremity of the patient'"'"'s body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A radio frequency shield for use adjacent a portion of a patient'"'"'s body during a magnetic resonance examination by magnetic resonance examination apparatus, comprising:
-
(A) an electrically conductive layer having a pair of opposed surfaces; (B) a pair of electrically insulative layers, one of said insulative layers being disposed adjacent one of said opposed surfaces for positioning intermediate said conductive layer and the patient'"'"'s body portion to insulate the patient'"'"'s body from said conductive layer, and the other of said insulative layers being disposed adjacent the other of said opposed surfaces for positioning intermediate said conductive layer and other material to insulate the other material from said conductive layer; and (C) an electrically conductive pulse oximeter sensor; said conductive layer and said one insulative layer defining one or more apertures extending therethrough enabling illumination of a portion of a patient'"'"'s body by said pulse oximeter sensor and the reception of illumination from the body portion by said pulse oximeter sensor. - View Dependent Claims (17, 18, 19)
-
-
20. An radio frequency shield configured as a mitt or boot for use on a patient'"'"'s extremity during a magnetic resonance examination by magnetic resonance examination apparatus, comprising a cover including:
-
(A) an electrically and thermally conductive layer having a pair of opposed surfaces; (B) a pair of electrically and thermally insulative layers, one of said insulative layers being disposed on one of said opposed surfaces for positioning intermediate said conductive layer and the patient'"'"'s body portion to insulate the patient'"'"'s extremity from said conductive layer, and the other of said insulative layers being disposed on the other of said opposed surfaces for positioning intermediate said conductive layer and other material to insulate the other material from said conductive layer; and (C) an electrically conductive pulse oximeter sensor disposed at least partially intermediate said other of said insulative layer and said other of said opposed surfaces for monitoring a function of the patient'"'"'s body; said conductive layer and said one insulative layer defining one or more apertures extending therethrough enabling illumination of a patient'"'"'s extremity by said pulse oximeter sensor and the reception of illumination from the extremity by said pulse oximeter sensor. - View Dependent Claims (21, 22, 23, 24, 25)
-
Specification