Implantable vascular access device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Sep 20, 1999
filing date -
Sep 20, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An implantable vascular access device includes a housing having an inlet, an outlet, an interior conduit defined therein and a valve positioned between the inlet and the outlet. The valve is subcutaneously manipulated between an open position, in which fluid can flow between the inlet and the outlet, and a closed position in which the valve occludes the interior conduit. The device may include any combination of multiple inlets, outlets and/or interior conduits or chambers and may further include an additional cannula valve. In the preferred embodiment, the housing includes two separate interior conduits suitable for the inflow and outflow of a typical hemodialysis procedure. A method for accessing a vascular structure is provided which includes the steps of surgically implanting a device as described above, connecting one end of a cannula to the outlet of the device and another end of the cannula to a selected vascular structure, subcutaneously manipulating the valve of the device for permitting fluid communication between the inlet of the device and the selected vascular structure and introducing a needle or a needle introduced catheter through the inlet opening to access the selected vascular structure.
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