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Máquina de fabricación aditiva de dispositivos médicos tubulares

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20180130001
Publicado:
09/04/2018
Caducidad:
10/04/2019
Resumen:
Un grupo de investigación de una universidad española ha desarrollado una máquina de fabricación aditiva para dispositivos médicos tubulares basada en tecnologías de fabricación con filamento fundido (FFF) e impresión 3D con 3 ejes. La máquina ofrece una precisión de 0,9375 µm en el eje X, 0,028125º en el eje W, 0,3125 en el eje Z, y 0,028125º en la extrusora. La boquilla tiene un diámetro de 0,4 mm. El grupo de investigación busca fabricantes de stents con el fin de establecer acuerdos de cooperación técnica para desarrollar conjuntamente la tecnología y acuerdos de licencia para su lanzamiento al mercado.

Details

Tittle:
3D additive manufacturing machine for tubular medical devices for technical cooperation or license agreements
Summary:
A Spanish research group has developed a 3D additive manufacturing machine for tubular medical devices, based in the Fused Filament Fabrication (FFF) and the 3-axis 3D printing technologies. The group is seeking stents manufacturers for technical cooperation agreement to co-develop the technology and license agreement to bring it to the market.
Description:
A research group of Spanish university has developed a 3D additive manufacturing machine specially thought for tubular devices such stents.
Metallic stents are effective in preventing acute occlusion and reducing late restenosis after coronary angioplasty but many concern still remain. The role of stenting is temporary and is limited to the intervention and shortly thereafter, until healing and re-endothelialization are obtained. Bioresorbable stents (BRS) were introduced to overcome these limitations with important advantages: complete bioresorption, mechanical flexibility, does not produce imaging artefacts in non-invasive imaging modalities, etc.
Biodegradable stents offer the potential to improve long-term patency rates by providing support just long enough for the artery to heal. Nowadays in the stent industry the manufacture process par excellence is the laser micro cutting. Nevertheless, in the case of polymeric stents, the 3D additive manufacturing techniques could be a more economical solution.
Recently, three-dimensional (3D) printing, a specific technique in the biomedical field, has emerged as an alternative system for producing biomaterials. The 3D printing system, applied to rapid prototyping in structural fabrication can easily manufacture biomaterials, such as BRS, better than other devices.

The machine developed by the research group is based in the Fused Filament Fabrication (FFF) and the 3-axis 3D printing technologies. The filament is melted into the extruder nozzle, which deposited the material onto a heated computer-controlled rotatory Cartesian platform. The machine provides a precision of 0.9375 µm in the X axis, 0.028125º in the W axis, 0.3125 in the Z axis, and 0.028125º in the extruder. The nozzle provides 0.4 mm of diameter.
The research group is looking for stents manufacturers to finish the development phase and test it under technical cooperation agreement. License agreements are also sought to bring the technology to the market.
Advantages and Innovations:
Comparing to the nowadays technologies used for the stent manufacturing, this technology allows to reduce the required steps to only two (stent printing and sterilization), which implies a reduction of lead-time and material costs.


Stage of Development:
Prototype available for demonstration
IPs:
Secret Know-how

Partner sought

Type and Role of Partner Sought:
Stents manufacturer to collaborate under a technical cooperation agreement in the development of the technology and/or license agreements to bring it to the market.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
English
Spanish

Keywords

Technology Keywords:
06001024 Biomateriales médicos
06006004 Biopolímeros
02001001 Impresión 3D
02007021 Nanotubos de carbono