Antibiotic calcium phosphate coating

A process for applying a coating having a therapeutic agent such as an antibiotic or a bone morphogenic protein to an implant uses the high surface area of a calcium phosphate coated metal implant as a repository for the therapeutic agent. The implant is coated with one or more layers of calcium pho...

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Bibliographische Detailangaben
Hauptverfasser:	JOSEPH ZITELLI, CHRISTOPHER SCOTT, PAUL HIGHAM
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
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Beschreibung
Zusammenfassung:	A process for applying a coating having a therapeutic agent such as an antibiotic or a bone morphogenic protein to an implant uses the high surface area of a calcium phosphate coated metal implant as a repository for the therapeutic agent. The implant is coated with one or more layers of calcium phosphate minerals such as hydroxyapatite. After the crystalline layer is applied, which is usually done within an aqueous solution, the implant is dried and packaged. Immediately prior to implantation, the implant is removed from the package and the crystalline layer of calcium phosphate is wetted with an aqueous solution containing the therapeutic agent.