Marker or filler forming fluid

Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation

Reexamination Certificate

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C600S432000, C600S562000

Reexamination Certificate

active

07877133

ABSTRACT:
A solution for forming a marker or filler mass for an intracorporeal site. The solution contains a polar, water soluble non-aqueous solvent such as dimethyl sulfoxide and a bioabsorbable, essentially water insoluble polymer such as polylactic acid, or copolymers of lactic acid and glycolic acid. The solution may be delivered to the biopsy site by a suitable syringe and delivery tube. The delivery tube is preferably provided with a releasable radiopaque element on the distal tip which can be released within the polymeric marker mass formed in the biopsy cavity.

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