Needleless injection device having a gel and a membrane
US10695494B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2015 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Oct 22, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2207/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a needleless injection device, comprising a firing chamber (11) for the needleless injection of a substance (25), having a firing chamber containing a pyrotechnic material and a gel-like medium, with which a substance, in particular an active substance, can be accelerated at high speed and injected in a needleless manner into a tissue or into a body by means of a membrane (15).The invention also relates to a method for producing a needleless injection device of this type containing a firing chamber together with pyrotechnic material and filled with a gel-like medium, and use thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.