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US 7,604,875 B2Granted
Mitigation of artifacts in nuclear magnetic resonance imaging with magnetic susceptibility modified materials
AssigneeCalifornia Institute of Technology
InventorShawn Wagner
Life of this patent
Estimating the term…
Abstract
Materials suitable for medical and dental implants with magnetic susceptibility matched to surrounding environment to reduce artifacts in nuclear magnetic resonance imaging. Paramagnetic and diamagnetic materials may be added to ceramics and polymer resins to adjust magnetic susceptibility. Other embodiments are described and claimed.
Claims2
An article of manufacture comprising:
- a diamagnetic material;
- and
- paramagnetic material selected from the group consisting of Ce;
- Ce2S2;
- CsO2;
- Cr2(C2H3O2)3;
- CrCl2;
- CrCl3;
- Cr2(SO4)2;
- Cr2(SO4)2*nH2O;
- Co(C2H3O2)2;
- CoBr2;
- CoCl2;
- CoCl2*nH2O;
- CoF2;
- CoI2;
- Co3(PO4)2;
- CoSO4;
- Co(SCN)2;
- Dy;
- DyO3;
- Dy2(SO4)3;
- Dy2(SO4)3*nH2O;
- Dy2S3;
- Er;
- Er2O3;
- Er2(SO4)3*nH2O;
- Er2S3;
- Eu;
- EuBr2;
- EuCl2;
- EuF2;
- EuI2;
- Eu2O3;
- EuSO4;
- Eu2(SO4)3;
- Eu2(SO4)3*nH2O;
- EuS;
- Gd;
- GdCl3;
- Gd2O3;
- Gd2(SO4)3;
- Gd2(SO4)3*nH2O;
- Gd2S;
- Ho2O3;
- Ho2(SO4)3;
- Ho2(SO4)3*nH2O;
- FeBr2;
- FeCO3;
- FeCl2;
- FeCl2*nH2O;
- FeCl3;
- FeCl3*nH2O;
- FeF2;
- FeF3;
- FeF3*nH2O;
- FeI2;
- Fe(NO3)3*nH2O;
- FeO;
- Fe2O3;
- FePO4;
- FeSO4;
- FeSO4*nH2O;
- Mn(C2H3O2)2;
- MnBr2;
- MnCO3;
- MnCl2;
- MnCl2* nH2O;
- MnF2;
- MnF3;
- Mn(OH)2;
- MnI2;
- MnO;
- Mn2O3;
- Mn3O4;
- MnsO4;
- MnSO4*nH2O;
- MnS;
- Nd;
- NdF3;
- Nd(NO3)3;
- Nd2O3;
- Nd2(SO4)3;
- Nd2S3;
- NiBr2;
- NiCl2;
- NiCl2*nH2O;
- Ni(OH)2;
- Re;
- Ta2O5;
- Tb;
- Tb2O3;
- Tb(SO4)3;
- Tb(SO4)3*nH2O;
- Tm;
- Tm2O3;
- V2O3;
- V2S3;
- WS2;
- Yb2S3;
- and Y2O3;
- where n in nH2O is an integer;
- wherein the article of manufacture has a magnetic susceptibility selected from the group consisting of 0.38*10−6;
- −9.0*10−6;
- and 6*10−6.
102 more elements
An article of manufacture comprising:
- a paramagnetic material;
- and
- a diamagnetic material selected from the group consisting of Al2O3;
- Al2(SO4)3;
- Al2(SO4)3*2H2O;
- Sb2O3;
- BaO;
- BaO2;
- Bi;
- BiI3;
- BiO;
- Bi2(SO4)3;
- Bi2S3;
- B2O3;
- Ca(C2H3O2)2;
- CaBr2*nH2O;
- GaI3;
- Ga2O;
- GeO;
- GeO2;
- HfO2;
- In2O;
- In2O3;
- In2O5;
- PbO;
- MgO;
- SeO2;
- SiO2;
- Ag2O;
- AgO;
- Na2O;
- Na2O3;
- SrO;
- SrO2;
- ThO2;
- SnO;
- SnO2;
- WO3;
- ZnO;
- ZrO;
- and ZrO2;
- where n in nH2O is an integer;
- wherein the article of manufacture has a magnetic susceptibility selected from the group consisting of 0.38*10−6;
- −9.0*10−6;
- and 6*10−6.
42 more elements
Dependencies are inferred from the claim text.