CATHETER ASSEMBLY AND COMPONENTS THEREOF
First Claim
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1. A catheter assembly comprising:
- a catheter hub comprising a housing comprising an exterior surface and an interior surface defining a cavity;
a catheter tube attached to the catheter hub and extending distally of the catheter hub;
a needle hub comprising a housing;
a needle having a needle tip attached to the needle hub and projecting distally of the needle hub and into the catheter tube;
a valve for limiting blood backflow positioned in the interior cavity of the catheter hub;
a valve opener for opening the valve positioned proximally of the valve; and
a self-activating device for covering the needle, comprising;
a third housing;
a tip protector accommodated within the third housing for blocking the needle tip; and
an arm extending from the third housing to engage the catheter hub and retain the third housing to the catheter hub in a ready to use position.
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Abstract
Catheter assemblies are generally discussed herein with particular discussions extended to catheter assemblies having a tip protector, a valve, a valve opener, and optionally a needle wiper. The valve opener is disposed inside a catheter hub and is configured to be pushed by an IV set luer connector to open a valve following successful catheterization to pass fluids or other solutions through the catheter. A tip protector is incorporated to block the needle tip and prevent the same from accidental needle stick. A wiper is optionally included to wipe blood deposits from the needle when the same is retracted from the catheter.
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Citations
30 Claims
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1. A catheter assembly comprising:
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a catheter hub comprising a housing comprising an exterior surface and an interior surface defining a cavity; a catheter tube attached to the catheter hub and extending distally of the catheter hub; a needle hub comprising a housing; a needle having a needle tip attached to the needle hub and projecting distally of the needle hub and into the catheter tube; a valve for limiting blood backflow positioned in the interior cavity of the catheter hub; a valve opener for opening the valve positioned proximally of the valve; and a self-activating device for covering the needle, comprising; a third housing; a tip protector accommodated within the third housing for blocking the needle tip; and an arm extending from the third housing to engage the catheter hub and retain the third housing to the catheter hub in a ready to use position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A catheter assembly comprising:
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a catheter hub comprising a housing comprising an exterior surface and an interior surface defining a cavity; a catheter tube attached to the catheter hub and extending distally of the catheter hub; a needle hub comprising a housing; a needle having a needle tip attached to the needle hub and projecting distally of the needle hub and into the catheter tube; a valve for limiting blood backflow positioned in the interior cavity of the catheter hub; a valve opener having an actuating end for opening the valve positioned proximally of the valve; and a third housing located between the catheter hub and the needle hub enclosing a tip protector within the third housing for blocking the needle tip, said third housing removeably engaged to the catheter hub in a ready to use position. - View Dependent Claims (23, 24, 25, 26)
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27. A catheter assembly comprising:
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a catheter hub comprising a housing comprising an exterior surface and an interior surface defining a cavity having a catheter tube attached thereto and extending distally of the catheter hub; a needle hub comprising a housing having a needle having a needle tip attached thereto and projecting distally thereof and into the catheter tube; a valve having a cut-out for limiting blood backflow positioned in the interior cavity of the catheter hub; a valve opener having an actuating end for engaging the cut-out and opening the valve, the valve opener being positioned proximally of the valve; and a third housing located between the catheter hub and the needle hub enclosing a tip protector spring loaded against a side of the needle for blocking the needle tip, said third housing being self-activatingly and removeably engaged to the catheter hub from a ready to use position to a protected position. - View Dependent Claims (28, 29, 30)
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Specification