ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,793, issued on April 22, was assigned to Fresenius Kabi Deutschland GmbH (Bad Homburg, Germany).
"Cannula device" was invented by Barbara Amon (Oberursel, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cannula device (1) comprises a housing (11), a cannula (10) arranged on the housing (11), and a puncture device (17) which, in a use state, is arranged on the housing (11) and comprises a puncture trocar (18) received in the cannula (10). The puncture trocar (18) is displaceable with respect to the cannula (10) and comprises a trocar tip (180) which, by displacing the puncture trocar (18) with respect to the cannula (10) in a puncturing direc...