Hypodermic needle protection system
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United States of America Patent
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-
Jan 20, 1998
Grant Date -
N/A
app pub date -
May 17, 1995
filing date -
May 17, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hypodermic needle assembly for use with an injection device. The needle assembly includes a sheath having a front end and a recess extending inwardly from the front end of the sheath, and a needle carriage positioned in the sheath. A needle is mounted to the carriage. The needle carriage is movable along the recess between a forward position with the needle projecting from the front end of the sheath and a retracted position with the needle positioned inside of the sheath. The sheath has a plurality of first locking members and the needle carriage has at least one second locking member cooperable with the first locking members for selectively retaining the needle carriage in each of the forward position and the retracted position when the second locking member and one of the first locking members are engaged and for moving the needle carriage relative to the sheath when the second locking member and the first locking members are disengaged.
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