Self-sealing percutaneous tube introducer
AssigneeUniversal Medical Instrument Corp.
InventorsJack D. Merry, E. David Fink
Life of this patent
Estimating the term…
Abstract
A self-sealing percutaneous tube (e.g. catheter) introducer having a sealing mechanism to prevent blood or fluid leakage that includes spaced sealing gaskets adapted to surround the tube, a distal sealing element being planar and having a slit whereas the proximal sealing element being conical and having an annular opening at its distal and small end, the introducer optionally including a side arm flushing member and/or a female luer lock connection at its proximal end.
Claims13
A self-sealing percutaneous tube introducer comprising a body having a passage therethrough adapted to receive a catheter or similar medical device, a flexible hole gasket mounted transverse to and within said passage having a round hole centered therein, a flexible slit gasket mounted transverse to and within said passage having a slit which permits said catheter to pass through by deflecting or stretching portions of the gasket adjacent said slit, and an inflexible spacing ring mounted between said gaskets, said slit gasket being spaced distally from said hole gasket but close enough that said slit gaskets if moved proximally by said catheter may reach and rest upon the perimeter of said hole, but not interfere with catheter movement.
Dependencies are inferred from the claim text.