Patent · US Active

Injection devices

US11311684B2 · kind B2 · utility

0Cited by

4References

13Claims

0Family size

Assignee

RepliCel Life Sciences Inc. · CA

Inventors

Rolf Hoffmann · Steinheim, DE
Martin Hohlrieder · Götzis, AT

Key dates

Filing date	Oct 4, 2019
Grant date	Apr 26, 2022
Priority date	—
Expiry date	Oct 4, 2039

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M5/427
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The invention relates to an injection device. Exemplary embodiments of the invention comprise an application element, an injection needle, an injection needle housing, a drive system for the injection movement, and a retraction system. In exemplary embodiments, a substance is injected during the retraction movement of the injection needle.

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