Palm-activated drug delivery device

Abstract

A device configured to administer a medicament is disclosed. The device may include a lower housing including a housing latch. The device may further include a needle guard movable relative to the lower housing from a first position to a second position in a first direction to expose the needle; and an upper housing supported relative to the lower housing. The upper housing may be configured to move relative to the lower housing in a second direction from the pre-use position to the dispensing position. When the upper housing is in the pre-use position, the housing latch can releasably interfere with the upper housing to prevent movement of the upper housing toward the dispensing position, and movement of the needle guard toward the second position causes the interference to be removed, allowing the upper housing to move toward the dispensing position. The second position moves.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of U.S. Patent Application Serial No. 12 / 905,572, filed October 15, 2010, which claims the U.S. Provisional Benefit of Application Serial Nos. 61 / 361,983 and 61 / 252,378, the disclosures of the aforementioned US patent applications are incorporated herein by reference in their entirety. technical field [0003] The present invention generally relates to methods and devices for parenteral drug delivery. The device facilitates manual drug delivery by confirming the completion of the drug delivery process. The device provides a system with improved safety and ease of use, and can provide audible or other forms of feedback to the user to indicate when drug delivery is in progress, when it has completed, or both Instructions are given, thereby avoiding either or both of incomplete dosing and drug wastage, while providing a system with improved safety and ease of use. Background te...

AI Technical Summary

Problems solved by technology

In many cases, a spring force that is too low can result in incomplete drug delivery, removal of the device before delivery is complete, or excessive pain and discomfort to the user due to prolonged insertion of the injection device in the body

However, a spring force that is too high can result in drug delivery that is too rapid and degrades the drug, can result in broken syringes, or can cause pain in the patient due to rapid delivery of the acidic drug or due to subcutaneous or intravascular injections. induced by a pressure gradient

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