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Nuevo material compuesto de cerámica biocompatible con revestimiento de nanocarbono para aplicaciones médicas

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOBG20161219001
Publicado:
25/01/2017
Caducidad:
25/01/2018
Resumen:
Un instituto de investigación búlgaro con más de 40 años de experiencia en I+D en materiales especiales y revestimientos innovadores ha desarrollado un nuevo material compuesto de cerámica para endoprótesis que se caracteriza por su compatibilidad biológica y alta resistencia al desgaste. Para aumentar la adhesión de la capa de carbono vítreo a la superficie cerámica se aplica un tratamiento térmico a 1350 - 1400 º C en entorno inerte. El instituto busca centros de investigación con el fin de establecer acuerdos de cooperación en materia de investigación y socios industriales para alcanzar acuerdos de fabricación.

Details

Tittle:
Innovative composite bio-compatible ceramic material with nano-carbon coating intended for medical applications
Summary:
A Bulgarian research institute with over 40 years of experience in R-Y-D of specialised materials and innovative coatings has developed an innovative composite ceramic material with nano-carbon coating that has biological compatibility and high wear resistance and is intended for endoprotheses. The institute is seeking to reach research cooperation agreements with research institutions and manufacturing agreements with industrial partners.
Description:
A Bulgarian research institute, with over 40 years of experience in R-Y-D of innovative composite materials and coatings for the aerospace, medical and other industrial sectors. They have successfully implemented projects with national and international partners.

Endoprostheses are intended for replacement of the dysfunctional joints damaged, as the result of an illness or injury, with artificial one. The main issues that are to be taken into account are the bio-compatibility of the material used and its wear characteristics.

In the fabrication of the innovative ceramic hip joint prosthesis the following sequence of procedures and temperatures were determined: homogenizing and plastification of the ceramic mixture, preliminary pressing followed by isostatic pressing, dying and pre heat treatment at 1000 degrees Celsius, mechanical working out of the product, sintering of the product at 1600 degree Celsius, applying vitreous carbon coating and densifying the hip joint prosthesis. The prototypes were made from the developed for the purpose ceramic substrate on the basis of ceramic material Al2O3 - CaTiO3, which is then impregnated and coated with a layer of nanosized vitreous carbon. The vitreous carbon was proven to be biocompatible and wear resistant. The sintering temperature of the corundum ceramic was done at 1600 degrees Celsius preserving the high mechanical properties of the material. In order to improve the adhesion of the vitreous carbon layer to the ceramic substrate heat treatment was performed at 1350 - 1400 degrees Celsius in inert environment. Titanium carbide was created during this heat treatment which is an intermediary layer between the substrate consisting of aluminium oxide and the vitreous carbon coating.

The institute is seeking to reach cooperation agreements for further testing of applications with R-Y-D institutions and manufacturing agreements and with companies, as the institute will provide the necessary know-how and expertise.
Advantages and Innovations:
- the innovative ceramic material has more than 50% higher wear resistance in comparison with similar products due to a specially developed substrate and specialised treatment which is a secret know-how of the institute.
Stage of Development:
Prototype available for demonstration
IPs:
Secret Know-how

Partner sought

Type and Role of Partner Sought:
- Type of partner sought: the institute is looking industrial and R-Y-D partners;

- Specific area of activity of the partner: partner sought related to the medical sector, orthopedy R-Y-D or industry sectors;

- Task to be performed: research cooperation agreements for further testing of the prototype and joint projects with research institutions and manufacturing agreements with industrial partners - the necessary know-how and expertise will be ensured by the developer.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
Bulgarian
English
Russian

Keywords

Technology Keywords:
06001017 Cirugía
02007005 Composite materials
06001020 Fisioterapia, tecnología ortopédica
02007003 Materiales y polvos cerámicos
02002002 Recubrimientos