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US 7,214,265 B2Granted
Injectable calcium phosphate cements and the preparation and use thereof
AssigneeCalcitec, Inc.
InventorsJiin-Huey Chern Lin, Chien-Ping Ju, Wen-Cheng Chen
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Abstract
A calcium phosphate cement suitable for use in dental and bone prosthesis is disclosed, which include calcium phosphate particles having a diameter of 0.05 to 100 microns, wherein said calcium phosphate particles on their surfaces have whiskers or fine crystals having a width ranging from 1 to 100 nm and a length ranging from 1 to 1000 nm.
Claims18
An injectable paste comprising:
- a calcium phosphate composition, the calcium phosphate composition comprising calcium phosphate cement particles, wherein the diameter of the calcium phosphate cement particles is from 0.05 microns to 100 microns, wherein at least a portion of the calcium phosphate particles have whiskers or fine crystals on the surface, and wherein the whiskers or fine crystals have a width ranging from 1 to 100 nm and a length ranging from 1 to 1000 nm;
- and
- an aqueous solution comprising a hardening-promoter;
- wherein the paste is non-dispersive in an aqueous solution, and wherein the working time of the paste is between 1.5 minutes to 31 minutes.
1 more element
Dependencies are inferred from the claim text.