Luer lock system
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United States of America Patent
Stats
-
Apr 15, 1997
Grant Date -
N/A
app pub date -
Apr 27, 1995
filing date -
Apr 27, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved luer lock connector having a pair of tapered engagement surfaces between the hub and one of the two components of the luer connector. The tapered engagement surfaces provide a gradual frictional engagement when tightening the hub to minimize inadvertent reverse rotation and loosening of the hub. The tubular body is also provided with a plurality of axially extending splines for engagement with a plurality of inwardly radially directed ribs on the hub to positively rotationally lock the two components when the hub is in a proximal position. A small circumferential ridge provides tactile feedback to an operator to indicate when the hub is in a positive rotationally interlocked relationship with the tubular body. The hub may be completely removed in a proximal direction from the tubular body and retracted proximally along a supply line to remove it from the connector site.
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