Article: German Inventors Develop Glass Syringe Needle Shield

ALEXANDRIA, Va., Aug. 5 -- Frank Wittland of Enger, Germany, and Erhard Stohlmann of Bunde, Germany, have developed a glass syringe needle shield. According to the U.S. Patent & Trademark Office: "The closure stopper and the elastic retaining element are made of gas-permeable material, so that sterilizing gases can penetrate by permeation. The closure stopper is formed of a pharmaceutical rubber. In one variant, the closure stopper, the retaining element and the protective element are made in one piece, with longitudinally extending gas delivery slits arranged between the protective element and the closure stopper."

The inventors were issued U.S. Patent No. 7,387,617 on June 17.

The ...

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