Luer lock system

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

Patent

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Details

13751613, A61M 2500

Patent

active

056204272

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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patent: 5125915 (1992-06-01), Berry et al.
patent: 5215538 (1993-06-01), Larkin
patent: 5456676 (1995-10-01), Nelson et al.

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