Automatic injection device with delay mechanism including dual functioning biasing member

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9402957
APP PUB NO 20140236084A1
SERIAL NO

14262080

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An automatic injection apparatus including a delay mechanism for properly delivering medication prior to the needled syringe of the apparatus being retracted. In one form, the delay mechanism includes a shuttle for the syringe, a follower, a locking member, a damping compound between the follower and a supporting surface to dampen rotation of the follower relative to the shuttle, and a dual functioning biasing member acting between the shuttle and the follower. When the locking member moves to a release position during an injection, the dual functioning biasing member first provides a torsional force to force the follower to rotate relative to the shuttle from a latching position to an unlatching position, and then the dual functioning biasing member provides an axial force to force the shuttle axially relative to the follower to move the shuttle for retracting the syringe needle into the housing of the apparatus after injection.

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Patent Owner(s)

Patent OwnerAddress
ELI LILLY AND COMPANYINDIANAPOLIS IN 46285

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adams, Matthew Robert Mountain View, US 23 697
Fourt, Jesse Arnold Menlo Park, US 29 341
Kaplan, Jonathan I Palo Alto, US 41 947
Silberschatz, Paul Joseph San Francisco, US 10 415
Yurchenco, James R Palo Alto, US 78 2037

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