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TANTALUM FOAMS FOR CANCELLOUS BONE IMPLANTS

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: N/A
Agency Tracking Number: 19188
Amount: $493,388.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1995
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
12173 Montague Street
Pacoima, CA 91331
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Richard B Kaplan
 (818) 899-0236
Business Contact
Phone: () -
Research Institution
N/A
Abstract

THE NEED FOR A CANCELLOUS BONE SUBSTITUTE, IN THE FORM OF AN ARTIFICIAL BIOCOMPATIBLE IMPLANT, IS SIGNIFICANT. RESEARCH HAS DEMONSTRATED THAT AN IMPLANT IDEALLY SHOULD SERVE AS A POROUS FRAMEWORK FOR BONE REGENERATION. IN THIS PROGRAM, WE WILL USE A NOVEL BIOMEDICAL APPLICATION OF A MATERIAL ORIGINALLY DEVELOPED FOR NONMEDICAL PURPOSES. RETICULATED CARBON FOAM WILL BE INFILTRATED WITH TANTALUM BY CHEMICAL VAPOR INFILTRATION (CVI), A VARIATION OF THE CHEMICAL VAPOR DESPOSITION (CVD)PROCESS. TANTALUM HAS A LONG HISTORY OF USE AS AN IMPLANT MATERIAL, IN BOTH BONE AND SOFT TISSUE. IN PHASE I, ULTRAMET WILL DEMONSTRATE THE FEASIBILITY OF PRODUCING TANTALUM UM FOAMS IN SEVERAL POROSITIES AND CONFIGURATIONS, AND THE CVI PROCESS FOR TANTALUM WILL BE REFINED AND INITALLY OPTIMIZED. THE MATERIALS FABRICATED BY ULTRAMET WILL THEN BE EVALUATED BY THE DEPARTMENT OF BIOENGINEERING. CLEMSON UNIVERSITY, WHICH WILL CONDUCT EXTENSIVE MECHANICAL TESTING AND CORROSION STUDIES. THE RESULTS OF THE MECHANICAL TESTS PERFORMED ON RETICULAR TANTALUM WILL BE COMPARED TO ACCEPTED VALUES FOR CANCELLOUS BONE. THIS LIGHTWEIGHT, STRONG, POROUS STRUCTURE, MIMICKING THE MICROSTRUCTURE OF NATURAL CANCELLOUS BONE, WILL ACT AS MATRIX FOR THE INCORPORATION OF BONE, PROVIDING OPTIMAL PERMEABILITY AND A HIGH SURFACE AREA TO ENCOURAGE NEW BONE INGROWTH.

* Information listed above is at the time of submission. *

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