Implantable medical device with material for reducing MRI image distortion
First Claim
Patent Images
1. An implantable medical device comprising:
- a housing formed of a first material that comprises at least one of titanium or a polymer;
a first electronic component provided within the housing; and
a second material configured to reduce MRI distortion caused by the implantable medical device, the second material provided in direct physical contact with at least a portion of the first material of the housing, the second material selected from the group consisting of titanium, palladium, platinum, silver, copper, manganese, aluminum, and alloys thereof and combinations thereof;
wherein the second material comprises a first region having a first thickness in a first location near the first electronic component and a second region having a second thickness different from the first thickness in a second location.
1 Assignment
0 Petitions
Accused Products
Abstract
An implantable medical device includes a housing formed of a first material and a first electronic component provided within the housing. The implantable medical device also includes a second material provided in contact with at least a portion of the housing. At least one of the housing and the first electronic component has a magnetic permeability in a magnetic field that differs from the magnetic permeability of water. The second material is provided in an amount effective to reduce MRI image distortion caused by the implantable medical device.
-
Citations
38 Claims
-
1. An implantable medical device comprising:
-
a housing formed of a first material that comprises at least one of titanium or a polymer; a first electronic component provided within the housing; and a second material configured to reduce MRI distortion caused by the implantable medical device, the second material provided in direct physical contact with at least a portion of the first material of the housing, the second material selected from the group consisting of titanium, palladium, platinum, silver, copper, manganese, aluminum, and alloys thereof and combinations thereof; wherein the second material comprises a first region having a first thickness in a first location near the first electronic component and a second region having a second thickness different from the first thickness in a second location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. An implantable medical device comprising:
-
a housing comprising a titanium or a polymeric material; a plurality of electronic components provided within the housing, wherein the housing and electronic components comprise materials that characteristically produce image distortion in magnetic resonance imaging scans; and a material provided in direct physical contact with at least a portion of the housing for reducing the image distortion and selected from the group consisting of titanium, palladium, platinum, silver, copper, manganese, aluminum, and alloys thereof and combinations thereof, wherein the material provided in direct physical contact with at least a portion of the housing comprises a plurality of regions having a plurality of different thicknesses. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
-
-
27. An implantable medical device comprising:
a housing comprising a titanium material having a shimming material provided in direct physical contact with an inner surface of the housing to reduce the amount of image distortion caused by the implantable medical device when the device is subjected to MRI scans, wherein the shimming material comprises a plurality of regions having a plurality of different thicknesses and wherein the shimming material is selected from the group consisting of titanium, palladium, platinum, silver, copper, manganese, aluminum, and alloys thereof and combinations thereof. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
Specification