Safety syringe adapter for cartridge-needle unit
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United States of America Patent
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-
May 7, 1996
Grant Date -
N/A
app pub date -
Feb 10, 1994
filing date -
Feb 10, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety syringe adapter (4) has a hollow body (26) sized to house a cartridge-needle unit (6) to which a carrier (24) is fixed. The cartridge-needle unit and carrier therewith are movable from a use position, with the needle tip (58) exposed, to a safe disposal position, with the needle tip within the body. A stem assembly (28) has an elongate stem (60) and a coaxial tubular stem extension (64) and is movable to a post-injection position, at which the stem extension becomes secured to the carrier. Pulling the stem assembly proximally causes the cartridge-needle unit to move to its safe-disposal position so the needle tip is within the body for safe disposal.
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