The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 18, 2020

Filed:

Aug. 20, 2015
Applicant:

Owen Mumford Limited, Oxford, GB;

Inventors:

Damian Holland, Oxfordshire, GB;

Oliver Gould, Oxfordshire, GB;

Timothy Muller, Oxfordshire, GB;

Assignee:

OWEN MUMFORD LIMITED, Oxfordshire, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/315 (2006.01); A61M 5/31 (2006.01); A61M 5/20 (2006.01);
U.S. Cl.
CPC ...
A61M 5/3157 (2013.01); A61M 5/20 (2013.01); A61M 5/2033 (2013.01); A61M 5/3129 (2013.01); A61M 5/31511 (2013.01); A61M 5/31576 (2013.01); A61M 2005/31518 (2013.01); A61M 2205/581 (2013.01); A61M 2205/582 (2013.01); A61M 2205/583 (2013.01);
Abstract

An injection device for the delivery of medicament has an indicator for providing an activation indication. The device includes a housing; a plunger slidably mounted within the housing; an actuation mechanism configured, in use, to move the plunger forward relative to a syringe so as to express medicament from the syringe. The device also includes an indicator element responsive to the forward movement of the plunger and configured to provide an audible and/or tactile and/or visual indication when the plunger reaches or approaches its forward position. The plunger includes an elongate shaft formed of at least two telescopic sections. The actuation mechanism acts on the plunger, in use, to expand the telescopic sections and to sequentially move each of the telescopic sections forwardly within the housing. The indicator element is arranged to be responsive to the forward movement of the trailing telescopic section.


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