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Nuevo material compuesto de cerámica biocompatible con revestimiento de nanocarbono para endoprótesis

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOBG20140704001
Publicado:
13/01/2016
Caducidad:
09/02/2016
Resumen:
Un instituto de investigación búlgaro con más de 40 años de experiencia en I+D en tecnologías y productos especiales ha desarrollado un nuevo material compuesto de cerámica biocompatible con revestimiento de nanocarbono para endoprótesis. Este material 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. Se buscan socios con el fin de establecer acuerdos de cooperación técnica, joint venture y fabricación.

Details

Tittle:
Innovative composite biocompatible ceramic material with nano-carbon coating intended for endoprothesis
Summary:
A Bulgarian research institute, with over 40 years of experience in R-Y-D of specialised technologies and products, has developed an innovative composite biocompatible ceramic material with nano-carbon coating intended for endoprothesis with biological compatibility and high wear resistance. The institute is seeking to reach cooperation agreements, joint ventures and manufacturing agreements.
Description:
In the fabrication of the 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 geometry of the articulating surfaces is one of the basic factors affecting the longevity of the implants.
Advantages and Innovations:
The Innovative composite ceramic material is with high biocompatibility and wear resistance due to specially developed for the purpose substrate on the basis of a ceramic material and treated in a novel way 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, orthopedy R-Y-D or industry sectors;
- Task to be performed: research cooperation agreements for testing of the prototype, joint ventures, manufacturing agreements; receiving the necessary know-how from 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