ENHANCED VISIBILITY MATERIALS FOR IMPLANTATION IN HARD TISSUE

Title:

ENHANCED VISIBILITY MATERIALS FOR IMPLANTATION IN HARD TISSUE

Document Type and Number:

WIPO Patent Application WO1999018894

Kind Code:

B1

Abstract:

An enhanced visibility composition for implantation from a remote source, so that the composition can be readily observed under fluoroscopy or other imaging techniques. The compositions include a biocompatible matrix, such as a hard tissue implant material for example, and radiopaque particles mixed in the matrix. The radiopaque particles have a particle size between about 120 mu and 2200 mu , more preferably about 350 mu and 2200 mu , even more preferably between about 450 mu and 1600 mu , and most preferably between about 570 mu and 1150 mu . Preferably the hard tissue implant and the radiopaque particles are formed or prepared in a slurry. Optionally, the enhanced visibility composition may further include additional radiopaque particles or constrast particles mixed in with the composition, which have a particle size between about 120 mu and 350 mu , preferably between about 120 mu and 250 mu .

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Inventors:

PREISSMAN HOWARD (US)

Application Number:

PCT/US1998/021576

Publication Date:

June 24, 1999

Filing Date:

October 13, 1998

Export Citation:

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Assignee:

PARALLAX MEDICAL INC (US)
PREISSMAN HOWARD (US)

International Classes:

A61L24/00; A61L27/50; A61B17/88; A61F2/00; A61F2/28; A61F2/30; A61F2/44; A61F2/46; (IPC1-7): A61F2/28; A61L25/00; A61L27/00

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