Document Type

Patent

Publication Date

8-18-1998

Patent Number

patent number 5795922

Abstract

A radiopaque bone cement used to repair bone or other hard tissues is provided. The bone cement is made from combining a composition containing an acrylic powder and a radiopacifier with a corresponding liquid monomer. Prior to being added to the composition, the radiopacifier is microencapsulated with a bone cement compatible material. When combined with the liquid monomer, the bone cement compatible material dissolves releasing the radiopacifier particles into a bone cement matrix. By being microencapsulated, the radiopacifier is prevented from agglomerating in the cement. Instead, the radiopacifier particles become dispersed throughout the bone cement matrix which not only creates a radiopaque cement but also increases the fatigue life of the cement.

Application Number

08/467361

Assignees

Clemson University (Clemson, SC)

Filing Date

1995-06-06

Primary/U.S. Class

523/117

Other/U.S. Class

424/419, 428/402.24, 523/116, 524/423, 524/430, 524/534, 524/560

Share

COinS