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Trelleborg Supports Engineers Developing Drug-eluting Devices


Trelleborg Sealing Solutions releases two whitepapers focused on the combination of silicone with Active Pharmaceutical Ingredients (API) that will support healthcare & medical device engineers and designers involved in the development of drug-eluting devices.

Drew Gaillard, Global Director Healthcare & Medical for Trelleborg Sealing Solutions, says: “The Healthcare market is driven by trends such as an aging population, increasing chronic disease, and global healthcare concerns related to obesity, diabetes and infectious diseases. With these trends comes other struggles for the medical community, such as an increase in catheter associated infections or the challenge of ensuring patient compliance with their medications. These trends and challenges have in turn led to the rapid innovation in drug device combination products, in particular those that elute regular, controlled doses of drugs precisely and consistently to a treatment area.”

Drug-eluting devices can be produced in and by a variety of materials and processes. One of the most successful materials in the design and production of combination products, in particular implantable ones, is silicone.

Gaillard continues: “Trelleborg Sealing Solutions is at the forefront of silicone drug-eluting product innovation and has studied the different methods of combining silicone with an API. The results of testing on the immersion method are now available to engineers and designers working in the healthcare & medical field.”

In the whitepaper Supporting the Advancement of Drug-Eluting Devices, two methods of adding Active Pharmaceutical Ingredients (API) to silicone, the addition of API to raw silicone and the impregnation of vulcanized silicone with API by immersion, are discussed.

The traditional method of adding API to uncured silicone is proven and effective. However, it is limited to API that are resistant to a vulcanization process and exposure to heat. A newer method of impregnation of vulcanized silicone by API, potentially broadens the APIs that can be used in drug-eluting silicone devices. This whitepaper presents test results that prove the effectiveness of this method, potentially opening drug-eluting devices to delivery of a wider range of API.

The second whitepaper, Fighting Hospital Acquired Infection, focuses on Healthcare-Associated Infections (HAI). Although combatting hospital-acquired infections has been a focus for the medical community, they still remain a significant issue. In particular, catheter-associated infections are difficult to prevent due to a catheter’s inherent positioning: part in and part out of the body.

Silicone is often used for the catheter tubes and though the material is biocompatible and biostable, it is not immune to bacterial colonization. Techniques exist that can reduce this colonization including coating, addition of antibiotic API to raw silicone and the impregnation of vulcanized silicone with API through immersion. In this whitepaper the three techniques are evaluated and Trelleborg shares its results from an effectiveness study of the impregnation methodology.

The two whitepapers, Supporting the Advancement of Drug-Eluting Devices and Fighting Hospital Acquired Infection, are the latest additions to the Trelleborg Sealing Solutions technical area that contains valuable resources for the engineer and designer. Registration and access to all resources is free.

Go to for further information and to download the whitepapers.

For more information or high-resolution images, please contact:
Ann-Marie Ringqvist, Marketing & Communications, Trelleborg Sealing Solutions Sweden AB
Telephone: +46 (0)36-34 15 00

About Trelleborg Sealing Solutions and Trelleborg Group:

Trelleborg Sealing Solutions is one of the world’s leading developers, manufacturers and suppliers of precision seals, bearings and custom-molded polymer components. It focuses on meeting the most demanding needs of aerospace, automotive and general industrial customers, including those from the pharmaceutical industry, with innovative solutions. Its network extends to over 25 production facilities and more than 50 marketing companies globally. The business area accelerates the progress of its customers through outstanding local support, an unrivalled product range including patented products and proprietary materials, a portfolio of established brands, unique process offerings, its Service PLUS value chain solution and ‘Ease of Doing Business’ philosophy.

Trelleborg is a world leader in engineered polymer solutions that seal, damp and protect critical applications in demanding environments. Its innovative solutions accelerate performance for customers in a sustainable way. The Trelleborg Group has annual sales of about SEK 32 billion (EUR 3.28 billion, USD 3.69 billion) and operations in about 50 countries. The Group comprises five business areas: Trelleborg Coated Systems, Trelleborg Industrial Solutions, Trelleborg Offshore & Construction, Trelleborg Sealing Solutions and Trelleborg Wheel Systems. The Trelleborg share has been listed on the Stock Exchange since 1964 and is listed on Nasdaq Stockholm, Large Cap.

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