Valved Sheath Introducer For Venous Cannulation
AssigneeC. R. Bard, Inc.
InventorsMark A. Christensen, Walter H. Shang, Steven M. Smith, James D. Beal
Life of this patent
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Abstract
A valved sheath introducer for venous cannulation, including a valve, sheath, handle and cap. The valve is configured to permit safe introduction and removal of medical instruments through the sheath introducer. The valve may have one or more anchoring members and a thickened central portion through which a slit is formed. The central portion may have one or more concave surfaces and the slit can be angled with respect to the top surface of the valve. The cap is attached to the handle, compressing a portion of the valve therebetween.
Claims20
A method of making a sheath introducer, comprising:
- coupling a handle to a sheath having a lumen, the handle including:
- a bore communicating with the lumen;
- a first receiving section;
- and
- a second receiving section;
- inserting a valve into the handle, comprising:
- inserting a central portion of the valve into the bore, the central portion having a first thickness, the central portion including a slit through the first thickness;
- inserting a first anchoring member of the valve into the first receiving section, the first anchoring member having a second thickness;
- and
- inserting a second anchoring member of the valve into the second receiving section, the second anchoring member having the second thickness;
- and
- attaching a cap to the handle under pressure to compress a portion of the valve between the cap and the handle.
Dependencies are inferred from the claim text.