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US 6,183,497 B2Granted
Absorbable sponge with contrasting agent
AssigneeSub-Q, Inc.
InventorsEduardo Chi Sing, Mark Ashby
Life of this patent
Estimating the term…
Abstract
An absorbable sponge containing a contrasting agent (e.g, radiopaque agent) that can be introduced to a biopsy tract or other puncture wound site is provided. The contrasting agent permits identification of the site by fluoroscopy or other imaging techniques.
Claims30
A method for marking a bodily site in a patient comprising the steps of:
- identifying the bodily site;
- positioning an absorbable sponge material substantially at the bodily site wherein the absorbable sponge material includes a contrasting agent that is substantially dispersed throughout the absorbable sponge material;
- and
- locating the position of the bodily site by detecting the contrasting agent.
1 more element
A method for contrasting a bodily site in a patient comprising the steps of:
- identifying the bodily site;
- positioning a biocompatible, liquid permeable absorbable sponge substantially at the bodily site wherein the sponge comprises a matrix that has a contrasting agent incorporated therein characterized in that the contrasting agent is substantially dispersed throughout the sponge;
- and
- locating the position of the bodily site by detecting the contrasting agent.
1 more element
A method for contrasting a bodily site in a patient comprising the step of a
- positioning an absorbable sponge material substantially at the bodily site wherein the absorbable material includes a contrasting agent that is substantially dispersed throughout the absorbable sponge material.
Dependencies are inferred from the claim text.