US Patent No. 10,987,206

STRAW FOR THE PRESERVATION OF A PREDETERMINED DOSE OF LIQUID-BASED SUBSTANCE, AS WELL AS A METHOD AND INJECTION DEVICE THAT EMPLOY IT


Patent No. 10,987,206
Issue Date April 27, 2021
Title Straw For The Preservation Of A Predetermined Dose Of Liquid-based Substance, As Well As A Method And Injection Device That Employ It
Inventorship Anne Linda Van Kappel-Dufour, Lyons (FR)
Jean-Charles Gorges, Chenay (FR)
Eric Schmitt, Villaines-la-Juhel (FR)
Assignee IMV TECHNOLOGIES, Saint Ouen sur Iton (FR)

Claim of US Patent No. 10,987,206

1. A straw for the preservation of a predetermined dose of liquid-based substance, comprising a tube extending between a first end and a second end and comprising a fluid-tight stopper disposed in the tube in the neighborhood of its first end and extending between a first end facing towards the first end of the tube and a second end facing towards the second end of the tube, characterized in that said stopper:is fixed relative to the tube in a manner that prevents or resists sliding of the stopper in relation to the tube towards the first end of the tube;
comprises a male connector tip extending between a first end facing towards the first end of the tube and a second end facing towards the second end of the tube, having a frusto-conical external surface in accordance with a standard increasing in diameter from the first end of the tip towards the second end of the tip, the tip being configured in order that a syringe needle having a female connector tip with a frusto-conical internal surface in accordance with a standard can be connected to said stopper by engagement of the female connector tip of the needle on the male connector tip of the stopper with the internal frusto-conical surface of the female tip in contact with the external frusto-conical surface of the male tip; and
comprises an internal duct extending between the first end of the tip and the second end of the stopper, the duct extending up to the second end of the stopper such that the duct opens into an internal space of the tube situated between the second end of the stopper and the second end of the tube.