Injection devices
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United States of America Patent
Stats
-
Apr 14, 1992
Grant Date -
N/A
app pub date -
Jan 25, 1991
filing date -
Oct 5, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An accessory for an injection device comprises a protective sleeve 1 for surrounding the needle 2 and has inner and outer sleeve parts 3, 5 which are movable relative to one another from a contracted position, in which the point of the needle projects from the sleeve to enable an injection to be effected, to an extended position, in which the point of the needle is shielded by the sleeve. The sleeve parts 3, 5 are guided relative to one another by a projection on the inner sleeve part 3 engaging within a track 14A in the outer sleeve part 5. At least a portion of the track 14A is formed by a slot 15 extending through the wall of a collar 6 which is separately formed from the remainder of the outer sleeve part 5 and which is fitted within an end portion of the remainder of the outer sleeve part 5 when the accessory is assembled. Such an arrangement provides for ease of fabrication and assembly.
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