Automatic injection device with a top release mechanism

Patent metadata

Field	Value
Publication number	US-9108002-B2
Application number	US-201113326738-A
Country	US
Kind code	B2
Filing date	Dec 15, 2011
Priority date	Jan 21, 2005
Publication date	Aug 18, 2015
Grant date	Aug 18, 2015

Abstract

The present invention relates to a handheld mechanical injection device by which set doses of a liquid medicament can be injected from a medical reservoir. The medicament is expelled through an injection needle by release of a power reservoir in the device, the power reservoir being fully or partially released by actuation of a user operable release member being positioned at or near an upper end of the injection device, the upper end being that end of the injection device which is opposite the injection needle.

First claim

The invention claimed is:

1. A handheld injection device, comprising:
a rotatable dose setting member that is rotatable about a longitudinal axis of a housing of the injection device;
a power reservoir, comprising a torsion spring for storing energy to expel a dose from the injection device;
a piston rod;
a release member, located at the most proximal portion of the device, opposite an end of the device wherein a needle may be mounted;
the injection device, further compris…

Assignees

• Markussen Tom Hede
• Novo Nordisk As

Inventors

• Markussen Tom Hede

Classifications

• A61M5/31593

  Human Necessities · mapped topic

• A61M5/31551 Primary

  Human Necessities · mapped topic

• A61M5/24

  Human Necessities · mapped topic

• A61M5/31585

  Human Necessities · mapped topic

• A61M5/31583

  Human Necessities · mapped topic