Posted in | Plastics and Polymers

Ypsomed Use DuPont’s New Ultra Low-Friction Material in Insulin Injector Pen

Ypsomed, a manufacturer and developer of drug injection systems in Switzerland, has specified DuPont Delrin (Special Control) SC699, a new low-friction grade of acetal, for using in a main part of the UnoPen disposable variable-dose injector pen that is used for insulin and drug therapies.

UnoPen

The dose dial sleeve of the UnoPen is molded using this new low-friction material. The low-friction performance has facilitated this pen usage by diabetes patients.

Ypsomed’s UnoPen is a modern disposable pen that is specifically designed for the delivery of insulin and other drugs from a pre-filled glass cartridge using manual injection. The device’s main advantage is accessibility based on its ‘dial and inject' handling feature. The diabetic patients use the pen’s dose dial sleeve, which is situated between the piston rod and housing, in order to fix the needed insulin dosage. This pen mechanically interacts with the piston rod.

Several competitive polymers were analysed by the company on the market for the pen’s component, but nothing satisfied the demands including DuPont’s performance polymers material.

Delrin SC699 is ideal for manufacturing in high volume and has been altered for excellent low-friction performance. This low-friction material has been developed specially for components that need high-precision molding in the healthcare industry and provides the appropriate regulatory compliance.

The products’ compatibility along with laser marking is one of the main attributes for indicating the settings of the dosage. This new Delrin material has displayed the exceptional stiffness and strength, allowing the component’s snap-fit assembly, and ensuring strong and reliable mechanical performance.

DuPont is showcasing the range of high-performance polymers for using in medical devices at the MD&M West in California, from 14 to 16 February, 2012.

Source: http://www2.dupont.com/

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