Becton Dickinson and Company Limited

Jörgen Bruno Hager

Gert Hanner

Johan Fredrik Thörne

Kristoffer Glowacki

Lars-Åke Lennart Larsson

Karl Johan Mårten Söderholm

Bengt Erik Anders Nilsson

Janne Joakim Lundqvist

Anders Bengt Erik Nilsson

Karl Johan Mårten SÖDERHOLM

Karl Johan Marten Soderholm

An extravascular system is provided which includes a catheter assembly and a needle assembly. The needle assembly includes a needle cap containing a needle shield. The needle shield may be a V-clip having a pawl. The pawl may communicate with an extension on the needle shield by forming a bend between the pawl and the extension. The bend may include at least one dent, and the dent may be formed within the center of the bend. Alternatively, the bend may include a plurality of dents. The plurality of dents may be placed at various locations over the pawl width. The pawl may be folded back onto itself. Indeed, the pawl may be folded back on itself to form essentially a pawl of double thickness. In addition, the pawl may be constructed with a bend of various angles. The angle of the bend between the pawl and the extension may be less than 90&#xb0;. The angle may be in the range of from about 90&#xb0; and about 70&#xb0;. The pawl may also include a corrugated design or structure.

Needle shielding pawl structures

An extravascular system for accessing the vasculature of a patient may include a catheter, a needle disposed within the catheter, and/or a needle tip shield assembly. The needle tip shield assembly may have a needle cap, the needle cap may have a needle shield, and the needle shield may have one or more flags. The flags may include a first flag and a second flag. The first flag and the second flag may form an engageable barrier through which the needle cannot penetrate once the barrier is engaged. The needle shield may be a V-clip. The V-clip may include a first arm and a second arm, and the first flag may be secured to the first arm while the second flag may be secured to the second arm.

Needle shielding flag structures

An apparatus for preventing blood exposure or contamination upon withdrawal of a hypodermic needle is provided. The apparatus may include a needle having a tip and a shield configured to at least partially entrap the needle tip upon withdrawal of the needle. The apparatus may further include a blood stabilizing material disposed such that upon withdrawal of the needle the blood stabilizing material is disposed in operative association with the needle tip such that blood carried by the needle is prevented from escaping the apparatus. In some exemplary implementations, the blood stabilizing material may be disposed on one or more surfaces of the shield. The shield of the hypodermic needle may include protective device and/or a housing for shielding the needle tip upon withdrawal. The housing may be adapted to at least partially cover the needle tip upon withdrawal of the needle. In some implementations, the housing may be adapted to allow the protective device to shield the needle before the needle is completely withdrawn.

Blood exposure prevention in vascular access devices

An extravascular system for accessing the vasculature of a patient may include a catheter adapter, a needle, and/or a needle tip shield assembly. The needle tip shield assembly may have a needle cap, and the needle cap may have a needle shield and at least one low friction surface. The needle may be disposed within the catheter assembly and the needle tip shield assembly. The low friction surface may reside between the needle shield and the needle. The at least one low friction surface may reside on the needle, on the V-clip, and/or on a structure located between the needle and the V-clip.

Reducing withdrawal force in a safety IV catheter

A tip shield of a catheter assembly has a resilient clip compartment, which may become blood-filled during use of the catheter assembly. The resilient clip inside the compartment is released upon withdrawal of the needle of the catheter assembly to disengage the catheter hub from the tip shield. The resilient clip also prevents re-exposure of the needle after being withdrawn into the tip shield. The blood-filled compartment may potentially leak or splash through an opening from the compartment when the resilient clip is released. A covering blocks the opening from the tip shield to minimize the risk of blood exposure. In addition, the covering minimizes the risk of premature release of the resilient clip and re-exposure of the needle.

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Helsingborg, Sweden

Jörgen Bruno Hager