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For over three decades, Thermal Plasma Spray has been a widely used technology applied to osseo-integrative hydroxyapatite or titanium coatings on titanium alloys, which is the most popular bulk materials used with structural purposes in the orthopedic field. In recent years, these results have been further improved thanks to innovations and optimizations in Thermal Plasma Spray technologies and processes.
One example is a new type of Hydroxyapatite coating, named Osprovit® G, that includes benefits, such as Plasma Sprayed HA coatings, like bio-activity, mechanical solid interface, long lasting endurance after implantation, all properties essential for secondary fixation, along with higher surface grip, and useful primary fixation in certain clinical applications.
Another example is a titanium coating brand, named TiGrowth®. It consists of a series of open and interconnected large size pores arranged in a titanium matrix, a sort of titanium sponge. Ti-Growth® presents unmatched characteristics in terms of pores size (i.e. 250-800 µm), interconnected porosity (i.e. 30-70%), coating thickness (i.e. 600-1100 µm), while maintaining excellent adhesion, cohesion and abrasion resistance required for orthopedic applications. These features enable bone ingrowth in the coating, thus providing fixed and tough interlock between artificial prosthesis and host bone. Biological evidences, collected through in vivo experiments, are shown.
Thermal Plasma Spray has another key advantage in the capability to safely match a coating in one material with a substrate made of a different material. This aspect is appreciated, as an example in the knee district, where CoCr is the leading used material, thanks to its superb wear resistant performances. Unfortunately, CoCr lacks for osseo-conductivity, thus impairing cementless solutions based on a single CoCr material component. TPS enables the application of a porous titanium coating on the back side of CoCr components, leaving untouched the polished convex surfaces on the opposite side.
With experience and know-how, Thermal Plasma Spray recipes can be tuned to be as gentle as to enable the coupling of a thermal sensitive substrate made of a Polymer with a coating made of Titanium or Hydroxyapatite. In the recent years the application of titanium porous coating over a PEEK based substrate became popular. PEEK material is used for intervertebral body fusion cages thanks to its radiolucency. Unfortunately, PEEK is mainly bioinert. The combination with a bio conductive surface gives osseo-integrative features to the device while saving original radiolucency, elasticity, and weight.
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| In this webinar you will learn:
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1. Thermal Plasma Spray technology overview
2. HA coating features and examples of applications in the orthopedics
3. TPS and porous coating for the orthopedics
4. Coupling of dissimilar materials thanks to Plasma Spray technology:
●Ti coating on CoCr – the knee district;
●Ti coating on PEEK – the spine district;
●Double layer coatings
5. Ancillary operations: the essential for implants finishing: Laser marking, cleaning, clean room packing.
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| Speaker
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Mr Pierfrancesco Robotti
M.Sc MBA Technology & Business Development Manager, Lincotek Medical
Pierfrancesco Robotti has a strong technical and commercial background with a M.Sc. degree in Biomedical Engineering and MBA. He has served for about 25 years in the orthopedics.
Since 2005, he has been working for Lincotek Medical. During the years, he has served as Research Manager, later in technical sales and scientific marketing. Now is Technology and Business Development Manager.
His experience is mainly for technology and regulatory challenges related with orthopedic devices such as joint implants. Specifically, solutions to enhance the bone integration like Titanium porous coatings and Hydroxyapatite coatings, via Thermal Plasma Spray technology and Metal Additive Manufacturing. As Scientific Marketing Manager, he has responsibility in projects management, giving technical and regulatory support for both internal sales people and clients worldwide including Europe, USA and China. He represented the company participating in many technical orthopedic meetings with educational purposes for Surgeons and/or technical employees.
Mr. Robotti participated in the foundation of Lincotek Medical Wuxi. |
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| About Lincotek Medical
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| We are a fully-integrated, global contract manufacturer for orthopedic, trauma, spine and dental markets and a recognized expert in casting, machining, plasma spray coatings and additive manufacturing technologies in the medical field.
Our disruptive renewed strategy allows us to provide true “Concept to Launch” support to OEM customers. We are able to assist our customers during all stages of their manufacturing journey, from device conception and manufacturing through to finishing and polishing, and eventual packaging.
Whatever you need – a single manufacturing step or a complete manufacturing service – we can help you realize your vision, simplify your supply chain, and shorten your overall lead time.
As the medical division of Lincotek Group, we have access to a lifetime’s experience of coating technologies and innovation, enabling us to support hundreds of OEMs globally in the development of dedicated processes to suit their needs.
With bases established in Europe, North America, and Asia, we support our customers wherever they may be located and be responsive to their demands.
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