VALVED SHEATH INTRODUCER FOR VENOUS CANNULATION
First Claim
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1. A method for assembling a valved sheath introducer, comprising:
- providing a valve including a slit, the valve comprising at least one anchoring member and a central portion, the slit traversing through the central portion;
inserting the valve into a handle, the anchoring member positioned in a receiving section of the handle and the central portion positioned in a bore of the handle, the central portion having a diameter approximately equal to a diameter of the bore, the anchoring member and central portion extending distally into the handle; and
attaching a cap to the handle under pressure, the cap contacting a proximal most surface of the valve and compressing the valve between the cap and the handle.
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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.
122 Citations
13 Claims
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1. A method for assembling a valved sheath introducer, comprising:
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providing a valve including a slit, the valve comprising at least one anchoring member and a central portion, the slit traversing through the central portion; inserting the valve into a handle, the anchoring member positioned in a receiving section of the handle and the central portion positioned in a bore of the handle, the central portion having a diameter approximately equal to a diameter of the bore, the anchoring member and central portion extending distally into the handle; and attaching a cap to the handle under pressure, the cap contacting a proximal most surface of the valve and compressing the valve between the cap and the handle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification