Multiple imaging mode tissue marker
First Claim
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1. An intracorporeal tissue marker, comprising:
- a first material comprising a core region of the marker, the first material having a first density; and
a second material completely surrounding the first material, the second material being distinct from the first material and having a second density, the first density of the first material being lower than the second density of the second material.
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Abstract
An intracorporeal tissue marker includes a first material comprising a core region of the marker. The first material has a first density. A second material completely surrounds the first material. The second material is distinct from the first material and has a second density. The first density of the first material is lower than the second density of the second material.
620 Citations
17 Claims
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1. An intracorporeal tissue marker, comprising:
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a first material comprising a core region of the marker, the first material having a first density; and a second material completely surrounding the first material, the second material being distinct from the first material and having a second density, the first density of the first material being lower than the second density of the second material. - View Dependent Claims (2, 3, 4, 5)
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- 6. An intracorporeal marker for marking a site within living tissue of a host, comprising a body formed from a single material, the body having a central region, an intermediate region, and a surface region, wherein a density of the body decreases from the central region to the intermediate region, and the density of the body increases at the surface region from the intermediate region.
- 12. An intracorporeal marker for marking a site within living tissue of a host, comprising a body formed from a single material, the body having a central region, an intermediate region, and a surface region, wherein the central region has a first density, the intermediate region has a second density, and the surface region has a third density, wherein a density of the intermediate region is less than each of the central region and the surface region.
Specification