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US 6,687,533 B1Granted
Markers for CT and MRI imaging
AssigneeAlcare Co., Ltd.
InventorsHiroyuki Hirano, Naomitsu Takekawa
Life of this patent
Estimating the term…
Abstract
A non-implantable CT and MRI marker has a first component formed of at least one of a silicone resin and a fluorcarbon resin and a second component comprised of at least one of an elastomer and an organogel contained in the first component.
Claims33
A non-implantable CT and MRI marker for CT and MRI imaging, comprising:
- a hollow bar formed of at least one of a silcone resin and a fluorocarbon resin, being detectable in CT imaging;
- and an elastomer other than an elastic hydrogel filled and sealed in the hollow bar, being detectable in T1-weighted and T2-weighted MRI imaging.
A non-implantable CT and MRI marker for CT and MRI imaging, comprising:
- a bar formed of an elastomer other than an elastic hydrogel, being detectable in T1-weighted and T2-weighted MRI imaging;
- and at least one of a silcone resin and a fluorocarbon resin covering at least a portion of a circumference of the bar, being detectable in CT imaging.
A non-implantable CT and MRI marker for CT and MRI imaging, comprising:
- a hollow bar formed of at least one of a silicone resin and a fluorocarbon resin, being detectable in CT imaging;
- and a organogel filled and sealed in the hollow bar, being detectable in T1-weighted and T2-weighted MRI imaging.
A non-implantable CT and MRI marker for CT and MRI imaging, comprising:
- a bar formed of an organogel, being detectable in T1-weighted and T2-weighted MRI imaging;
- and at least one of a silicone resin and a fluorocarbon resin covering at least a portion of a circumference of the bar, being detectable in CT imaging.
A non-implantable CT and MRI marker for CT and MRI imaging, comprising:
- a first component comprised of a pair of overlapping members and formed of at least one a silcone resin and a fluorocarbon resin, being detectable in CT imaging;
- and a second component comprised of at least one of an elastomer other than an elastic hydrogel and an organogel disposed between the overlapping members, being detectable in T1-weighted and T2-weighted MRI imaging.
Dependencies are inferred from the claim text.