Patent · US Active

Injection device with a spring for a needle protecting sleeve

US9155836B2 · kind B2 · utility

0Cited by

0References

17Claims

0Family size

Inventors

Edgar Hommann · Grossaffoltern, CH
Benjamin Scherer · Uster, CH
Ian Thompson · Burgdorf, CH

Key dates

Filing date	Dec 22, 2009
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Jul 5, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2005/3247
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An injection device including a housing, a needle guard sleeve displaceable relative to the housing, and a spring coupled to the guard sleeve such that the guard sleeve can be moved by the spring distally from a proximal position to an end position, the spring also being coupled to a forward drive element displaceable relative to the housing in a drive direction wherein the spring is tensioned upon a movement of the forward drive element in the forward drive direction.

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