Precision and safety in medical technology: Optimized syringe production with Openair-Plasma®
The highest quality standards are essential in medical technology, especially in the manufacture of syringes. The choice of biocompatible materials, ensuring optimum gliding properties and tightness as well as precise printing are crucial for functionality and safety. Plasmatreat's Openair-Plasma® technology offers innovative solutions to these challenges.
Material selection and biocompatibility
Traditionally, syringes are made of borosilicate glass, which is known for its chemical inertness. Alternatively, plastics such as cycloolefin copolymer (COC), polypropylene (PP) or cyclo-olefin polymer (COP) are used, which impress with their break resistance and transparency. Elastomers such as EPDM, TPE or brominated rubber are used for the pistons, which must be both soft and sealing.
Surface treatment and lubricity
The inner surfaces of syringes are often siliconized to minimize the frictional resistance of the plunger and ensure uniform drug delivery. However, an uneven or excessively thick silicone layer can lead to interactions with the active ingredient. Plasma activation improves surface wettability, which ensures even distribution of the silicone oil lubricating film.
Tightness and process reliability
An absolutely tight fit of the syringe plunger is essential to prevent the ingress of air or impurities. However, with longer storage times, there is a risk of the plunger and syringe barrel sticking to each other. A controlled reduction in friction through targeted surface modification using Openair-Plasma® can counteract this problem.
Tightness & process reliability in medical technology
Before a medication can be safely administered, the surface of the syringe must be optimally prepared. With Openair-Plasma®, the inner surface is specifically activated so that the applied silicone oil adheres evenly.
An even layer of silicone oil reduces the friction of the plunger - crucial for precise medication dosing. Without plasma, irregular layers can occur, causing interactions with the active ingredient.
Sealing also plays a key role. The plunger must fit tightly to prevent the ingress of air and impurities. At the same time, it must not stick - especially during prolonged storage - and the targeted surface modification with Openair-Plasma® optimally reduces friction. The result: a precise, smooth-running plunger for maximum process safety and reliable drug delivery.
Consulting&
Resources
Find out how Hahn Automation optimizes syringe production with Openair-Plasma® by clicking on the Download Info Material button for the full story of practical solutions and impressive results.
Conclusion: Why Openair-Plasma®?
Plasmatreat's Openair-Plasma® technology offers tailor-made solutions for the complex requirements of syringe production:
- Optimized lubricity: Improved adhesion of the silicone oil for smooth plunger running.
- Increased leak-tightness: Reduction of friction between plunger and syringe barrel for long-term leak-tightness.
- Improved printability: Permanent and precise marking thanks to increased surface energy.
- Efficient bonding techniques: Secure fixing of components without the use of chemical primers.
Our world-leading Openair Plasma® technology sets new standards in medical technology and helps you to meet the highest quality standards.
