Patent · US Active

Needleless injection device with double membrane

US10792429B2 · kind B2 · utility

0Cited by

9References

14Claims

0Family size

Assignee

Peter Lell · DE

Inventors

Peter Lell · Moosburg an der Isar, DE
Cihad Anamur · Ludwigshafen, DE
Christian Fellner · Ilmmünster, DE
Gerhard Winter · Dossenheim, DE
Julia Engert · Munich, DE

Key dates

Filing date	Jun 24, 2015
Grant date	Oct 6, 2020
Priority date	—
Expiry date	Jun 24, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/8206
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The invention relates to a needleless injection device or a device for the needleless injection of a substance into a tissue or body, with which device a substance, in particular an active substance, can be injected by means of high pressure. A device according to the invention comprises a chamber (11) containing a pyrotechnic material, wherein the chamber has a fixed double membrane (13, 15) at a discharge opening, wherein the skin-side membrane (15) of the double membrane (13, 15) is provided with a substance application (25).A successful injection lies in the fact that sufficient substance is introduced into the body through the tissue barrier or body barrier, in particular such as the skin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.