A catheter connector device is provided including a device housing having a first port and a second port. A fixed sleeve support portion and a flexible, cantilevered sleeve cover extend longitudinally within a housing interior, to carry a flexible tubular sleeve having a sleeve through bore extending from the first port to the second port, for removable insertion of a catheter. The sleeve cover has a first portion, a second portion extending from the first portion and a third portion narrower than the first portion extending from the second portion. A slidable catheter lock switch, or slide button, is positional between a catheter-unlocking position adjacent to the third portion of the sleeve cover and a catheter-locking position engaging the first portion of the sleeve cover and flexing the tubular sleeve cover to crimp the tubular sleeve and retain the catheter within.

Systems and methods for accessing body tissue are disclosed. The systems and methods can include an introducer assembly for percutaneous access to a body lumen. The assembly can include a needle and an over-the-needle guidewire. The needle and the guidewire can be inserted into body tissue and the guidewire advanced into the body tissue relative to the needle. The needle can be removed after advancing the guidewire.

A connector includes in a main body, first to third ports each having a flow channel allowing inflow or outflow of an infusion solution, an internal flow channel configured to communicate between flow channels of the first port and the second port, and a through hole connected to an internal flow channel. In the internal flow channel, an upstream side wall surface is provided which guides infusion solution flowing into the internal flow channel from the first port to the through hole, and reduces the cross-sectional area of the flow channel for the infusion solution near the through hole relative to the cross-sectional area of the flow channel of the first port in order to increase a flow rate of the infusion solution.

A set connector assembly for a fluid infusion device is provided. The set connector assembly includes a connector having a body. The body defines a graspable portion and a coupling portion, and the coupling portion is to be received within a portion of the fluid infusion device. The graspable portion has at least one wing that defines at least one locking tab for locking the connector to the fluid infusion device. The graspable portion is movable relative to the body to move the connector between a first, locked position and a second, unlocked position relative to the fluid infusion device.

A catheter shaft includes an inner layer defining an innermost circumferential surface of the catheter shaft and defining a lumen of the catheter shaft, and an outer layer defining an outermost circumferential surface of the catheter shaft. The inner layer is formed by a first polymer having a first durometer and a first melting temperature. The outer layer is formed by alternating first and second segments of the first polymer and a second polymer, respectively, that alternate in a circumferential direction. The second polymer has a second durometer softer than the first durometer and a second melting temperature lower than the first melting temperature. Each segment of the alternating first and second segments extend in an axial direction for substantially an entire length of the catheter shaft. A method of forming the catheter shaft via extrusion is also disclosed.

A medical device is disclosed, comprising a substrate and a hydrophilic surface coating arranged on said substrate. The substrate has, on its surface coated with said hydrophilic surface coating, a surface texture with an arithmetical mean deviation of the surface profile (Ra) of at least 3 m and/or a profile section height difference (Rdc (1-99%)) of at least 18 m. It has surprisingly been found that the increased surface roughness of the substrate provides significant improvements in e.g. water retention for the hydrophilic coating.

A connecting element for connecting two hollow bodies through which a fluid can flow comprises a first connecting part which can be brought into fluid-tight flow connection with a first hollow body through which a fluid can flow, a sealing element which is arranged at least partially in an inner area of the first connecting part and a locking element which is arranged on an outside of the first connecting part. The locking element can be transferred from an unlocked position into a locked position, wherein the locking element in the locked position acts upon the sealing element in such a way that an inside diameter of the sealing element is smaller than when the locking element is in the unlocked position.

A fluid connector comprising a housing having an access site, and a cover member passively positioned in an initial covering relationship with the access site, the cover member being reversible from an uncovered relationship under load to the initial covering relationship, is described. A method of preventing contamination and aseptically covering an access site of a fluid connector with a cover member is also described.

A fluid transfer device or connection with a fluid transfer tip that has a tapered friction fitting for a corresponding hub. A lever member is pivotally mounted to move relative to the fluid transfer tip. A latch such as a screw thread is mounted on the lever member to engage the hub and provide a positive connection e.g., screw fit in addition to the friction fitting. The lever member may optionally be resiliently biased by a spring. The hub is disconnected from the tip by pivoting the lever member to release the positive connection with the hub and to subsequently release the hub from the friction fitting.

A luer adapter includes a body including an inner surface defining a lumen and first and second ends. Each end is adapted to connect to a medical device. An antimicrobial material is positioned at least on a portion of the inner surface. A barrier is positioned between the lumen and the antimicrobial material and permits the passage of the antimicrobial material therethrough upon exposure to moisture. The barrier may include hydrophilic material.