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- Rod Seal for Ypsomed
31.01.2024 | Press release
Major Boost in Order Volume: High-Performance Rod Seal for Portable Insulin Pump
Weinheim (Germany)/Zurich (Switzerland), January 31, 2024. Type 1 diabetics entrust their lives to insulin pumps. That is why durable functional reliability is such an important feature of the small devices’ sealing mechanism. Freudenberg Sealing Technologies has now entered into a new purchase agreement for seals with the Swiss medical technology specialist Ypsomed that significantly exceeds the previous order volume. This successful sales performance underlines the high expertise of Freudenberg Sealing Technologies in the medical technology field.
“When the project started, Ypsomed expected a much lower number of seals per year. We have now concluded a two-year purchase contract with a much higher order quantity,” says Peter Rohrer, Sales Engineer at Freudenberg Sealing Technologies in Switzerland. The successful collaboration with the Swiss medical technology specialist Ypsomed already started in 2012. The company is a leading developer and manufacturer of injection and infusion systems for self-medication and a proven specialist for diabetes with over 35 years of experience.
Challenge: High impermeability with minimal friction
Patients with type 1 diabetes depend on a constant supply of insulin. They can still lead an active and mobile life thanks to portable insulin pumps. The portable insulin pumps continuously deliver precise doses of the vital hormone into the body, keeping the patient’s metabolism in balance.
The mylife YpsoPump from Ypsomed only weighs 83 grams – including battery and full insulin cartridge – and is only 16 millimeters high. Freudenberg Sealing Technologies developed a dedicated rod seal for this purpose several years ago. “The challenge was to combine a high level of tightness with minimal friction,” reports Patrick Kinsch, Product Developer in the Fluid Power Industry lead center at Freudenberg Sealing Technologies.
The reason: The pump is controlled on the basis of the patient’s blood glucose level, which is measured separately. The comparison between the target and actual levels follows various parameters that are determined inside the pump itself, mainly via a force measurement in the drive system. For reliable measurement – and thus precise control of the pump and insulin dosage – it is extremely important to have as little friction as possible in the drive system.
Innovative and successful together
To meet this challenge, Freudenberg Sealing Technologies has developed a suitable combination of a high-performance rod seal with a friction-optimized seal lip and surface; the specially matched lubricant is made by its affiliated company Klüber Lubrication. At the same time, a nanotechnology procedure lowers not only the roughness but also the friction of the elastomer. The seals with such treatment enable a very consistent torque curve. Furthermore, the rod seal protects the system from contamination when the insulin cartridge is changed and seals the motor against leaking insulin in case the cartridge accidentally breaks. “With this seal, we developed the optimum solution for the portable insulin pump from Ypsomed. We’re delighted that this is now reflected in a significantly increased purchase volume,” says Rohrer.
Freudenberg Sealing Technologies has been an eminent development partner and reliable supplier in the medical device market for many decades. The company is committed to innovation, improving efficiency and providing high-quality, cost-effective solutions.
Ulrike Reich
Head of Media Relations & Internal Communications
Telephone: + 49 (0) 6201 960 5713
ulrike.reich@fst.com chevron_rightNews Service
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