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:
Dec. 09, 2014

Filed:

Sep. 17, 2009
Applicants:

Jeremy Marshall, Jericho, GB;

Mark Eaton, Witney, GB;

Inventors:

Jeremy Marshall, Jericho, GB;

Mark Eaton, Witney, GB;

Assignee:

Owen Mumford, Ltd., Woodstock, Oxfordshire, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/20 (2006.01); A61M 5/315 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31583 (2013.01); A61M 5/3156 (2013.01); A61M 5/31543 (2013.01); A61M 5/31535 (2013.01); A61M 5/31553 (2013.01); A61M 5/20 (2013.01); A61M 2205/6081 (2013.01); A61M 5/3155 (2013.01); A61M 2205/583 (2013.01);
Abstract

A pen-type injector for receiving a medication containing member. The injector comprises a housingand a torsion springcontained within the housing and coupled to a drive member. A dose setting knobis coupled to the spring, and rotatably coupled to the housingsuch that rotation of the knob relative to the housing in a first direction results in compression or twisting of the spring. A user actuable triggeris provided for releasing the springto push the drive memberthrough the housing. A user actuable buttonis coupled to the housingfor axial motion relative thereto, said buttonbeing coupled to the torsion springto cause the spring to unwind or expand in discrete steps with each press of the button.


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