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Plasma Treatment of Polypropylene Medical Implants

Dyne Technology, the UK and Ireland’s Number One Plasma Treatment supplier, has supplied a leading medical device manufacturer with the VacuTEC 2020. Our customer reached out to the Dyne Technology engineers when facing the problems of adhesion to a polypropylene made implanted medical device. The “non-stick” nature of the polypropylene made attempting adhesion impossible and our customer required a repeatable and reliable method of surface activation.

Following in-depth discussions and collaborative testing with Dyne Technology engineers, the state-of-the-art, NEW and high technology VacuTEC 2020 Vacuum Plasma unit was chosen as the surface activation method of choice.

How does it work?

The perfect Plasma Treating technology for you is dependent on several factors including material, application and your production process.

Our customer required the entirety of the medical implant to undergo Plasma Surface Treatment; Vacuum Plasma Treatment of medical implants is excellent as the entirety of the part undergoes treatment  due to the highly active environment within the Plasma chamber. Atmospheric Plasma is better suited for parts undergoing targeted treatment.

Vacuum Plasma Treatment Polypropylene Medical ImplantThe VacuTEC 2020 provides an easily repeatable surface activation which utilises tried and tested Plasma technology to increase the surface energy of the polypropylene medical device. Dyne Technology worked with our customers engineers to determine the important treatment parameters, including time and power output, to ensure optimum performance.

The unit is named because of its chamber size which is 20cm x 20cm, offering the perfect size for our customer; the VacuTEC 2020 was designed to bridge the gap between our standard laboratory Vacuum Plasma unit, the VacuLAB and our custom sized VacuTEC units which can have chambers of up to several cubic metres in size to suit the customers’ needs.

Why Vacuum Plasma?

The VacuTEC2020 utilises the same principles as both our laboratory and full size Vacuum Plasma units.

Question ButtonUsing a vacuum pump, the majority of air is removed from the sealed Plasma chamber, the chamber pressure is then lowered to achieve the required level of gas. The remaining gas (usually air) is then subjected to a strong electrical field which ionises the gas within the chamber, creating Plasma.

Vacuum Plasma Treatment Polypropylene Medical ImplantThe Plasma chamber is a highly active environment where free radicals and other excited particles can attach to the surface of the polypropylene medical device. The formation of these additional polar groups significantly increases the quality of adhesion that can be achieved.

The unit has given our customer control of the Plasma Treating process allowing for their engineers to have control over quality assurance which is of paramount importance.

The bench top unit is also ideal for future research and design, trials and treating small batch quantities of plastics, ceramics, metals and glass.

Vacuum Plasma Treatment Polypropylene Medical ImplantHere’s the clever new addition, the VacuTEC2020 comes with the capability to add different gases; the choice of gas will be dependent upon the functionality you wish to achieve and the material being treated. Complete with two external gas connectors, you can mix the percentage of gases you wish to achieve; that is if you wish to use any “special” gases as in many cases, compressed air is the perfect choice.

Easy to use and set up, the plasma generator requires only a 240v, 13A electrical supply and comes with a vacuum pump that can be sized to suit the customers’ production demands. The whole system can be operational within minutes. Featuring operator friendly touch screen control, the unit is quick and easy to use, with easily adjustable key parameters (i.e. treatment power, time and vacuum level) allowing operators to have total process control.

Speak to the Plasma Treatment experts!

Call us logoIf you’re facing a similar problem to our customer, why not get in touch? With over 40 year’s practical industry experience, the Dyne Technology team are best placed to provide trusted advice and guidance on how to solve the problems of adhesion.

You can get in touch with us by calling +44(0) 1543 411 460 or alternatively email support@dynetechnology.co.uk.