ABSORBABLE SPONGE WITH CONTRASTING AGENT
First Claim
Patent Images
1. A liquid permeable, absorbable gelatin sponge that is prepared by a process that comprises:
- (a) preparing an aqueous gelatin solution;
(b) adding an organic solvent in the aqueous gelatin solution to form a second solution;
(c) incubating the second solution;
(d) forming a foam from the second solution wherein a contrasting agent is added to the second solution at any step prior to forming the foam; and
(e) drying the foam.
0 Assignments
0 Petitions
Accused Products
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.
-
Citations
1 Claim
-
1. A liquid permeable, absorbable gelatin sponge that is prepared by a process that comprises:
- (a) preparing an aqueous gelatin solution;
(b) adding an organic solvent in the aqueous gelatin solution to form a second solution;
(c) incubating the second solution;
(d) forming a foam from the second solution wherein a contrasting agent is added to the second solution at any step prior to forming the foam; and
(e) drying the foam.
- (a) preparing an aqueous gelatin solution;
Specification