140 results about "Needleless connector" patented technology

Needleless connector disinfecting devices are provided that include a body having a top surface and a bottom surface, a cavity in the body, the cavity configured to receive a needleless connector, an activation arm disposed on the body, a cartridge housing disposed on the activation arm, a swab cartridge disposed in the cartridge housing, and a disposal chamber disposed in the body, the disposal chamber configured to receive used cleaning swabs. The activation arm is configured to slidably move the cartridge housing on the top surface of the body between a non-biased position in which a bottommost cleaning swab in the swab cartridge is in contact with an end portion of a needleless connector and a biased position in which the cartridge housing is disposed over the disposal chamber. Additional needleless connector disinfecting devices and methods of using needleless connector disinfecting devices are also provided.

A needleless connector includes a housing having a central longitudinal axis, a body portion, and a base portion. The body portion includes an inner surface forming an internal cavity, and a first port forming a first fluid passage to the housing cavity. The base portion includes a top end section and a bottom end section. The top end section has a protrusion, and the bottom end portion has a second port forming a second fluid passage to the housing cavity. The needleless connector further includes a valve having a wall with an inner surface forming a valve cavity. The valve is coupled with the housing such that the protrusion is positioned in the valve cavity, and a proximal end of the protrusion is spaced apart from a proximal end of the valve cavity.

An integrated disinfecting device assembly is described syringe assembly having two integrated disinfection units assembled to a syringe for disinfecting and sterilizing corresponding medical connectors, specifically access ports of corresponding medical connectors. The integrated disinfection units include a Needleless Connector Disinfecting Unit (NCDU) and a Male Luer Disinfecting Unit (MLDU) disposed on a syringe assembly. The NCDU having a first chamber containing a first absorbent material, a first disinfectant or an antimicrobial agent in the first housing, and a first peelable seal. The MLDU for a male medical connector comprising a housing, a scrubbing foam having a plurality of slits disposed within a first cavity of the housing, a central post extending from the closed bottom of the housing and positioned within the first cavity of the housing, a scrubbing foam disposed around within the inner surface of the integral body, a foam jacket disposed on the central post and having a plurality of slits, a central plug disposed in the center of the central post extending from the top wall of the central post and extending into the second cavity of the foam jacket, a second disinfectant or an antimicrobial agent in the, and a second peelable seal. The inner surface of the foam jacket defines a second cavity. A threaded connection is disposed on the bottom exterior surface of the first scrubbing device having threads that are sized and pitched to engage threads of a luer lock collar on the distal end of the syringe barrel to allow the proximal housing to be connected to the syringe assembly. The MLDU and the syringe assembly are integrally connected at the thumb press of the syringe and ledge of the MLDU. In one or more embodiments, the MLDU and the syringe assembly are interlocked through interference fit or snap fit of the thumb press of the syringe and ledge of the MLDU.

Systems, methods, and computer program products are provided for detecting connection of a medical device to a needleless connector. An example system includes an image capture device and at least one processor. The image capture device may be configured to capture a set of images of a movable component of a needleless connector. The at least one processor may be configured to receive the set of images of the movable component of the needleless connector; and process the set of images of the movable component of the needleless connector to determine whether a medical device is connected to the needleless connector.

A closed, gravity-fed burette for intravenous (IV) fluid delivery and flush system supporting multiple input combinations for simplicity and standardization. Able to handle both hazardous and non-hazardous drugs, this system may incorporate plastic and elastomeric materials that are resistant to the effects of antineoplastic materials in conjunction with a hazardous air filter module while still integration compatible with electronic peristaltic pumps for finer control of flow rate and when the IV infusion recipient's physical position is not compatible with a gravity-fed flow. The buoyant-activated shuttle valve enables the AutoStart function providing steady flush of the IV line to the patient for optimized vein patency from the Primary IV fluid feed. This Primary line works in conjunction with a Secondary IV fluid feed and a needleless connector Drug Port for multiple feed and flush conditions directed by way of a monoblock design supporting combinations of rotary, toggle, and check valves.

A valve member for a connector includes a head portion, a body portion, and a circumferential lip seal extending radially outward from an outer surface of the head portion. The head portion includes a top section defining a first seal portion. The body portion extends longitudinally from the head portion and defines a second seal portion at a proximal end thereof. The second seal portion is disposed distally to the first seal portion. The circumferential lip seal is disposed between the first and second seal portions.

Disinfection cap includes housing comprising closed top, essentially cylindrical sidewall, and open bottom formed by the sidewall with opening to inner cavity within the housing for receiving tip including mating feature of needleless connector. Disinfection sponge can be configured within inner cavity, removable cover sealing opening to inner cavity to seal sponge within inner cavity prior to cap use. Inner cavity includes at least one thread on inner surface of its sidewall that does not correspond to the mating feature of needleless connector, but is sufficient to interlock with mating feature of needleless connector. Plurality of disinfection caps are disposed on strip of IV pole hanging device such that each cap can be peeled off the strip unsealed for immediate use, or separated from the strip sealed for later use.

A needleless connector includes a body having a fluid path, a vent path, and a male fitting. The needleless connector also includes a valve disposed within the male fitting. The valve is configured to move between a first configuration, in which the fluid path is blocked, and a second configuration, in which the fluid path is open. The needleless connector further includes a seal disposed around the valve. The seal is configured to separate the fluid path from the vent path in the first configuration and the second configuration. Moving the valve from the first configuration to the second configuration also opens the vent path. The seal maintains the separation between the fluid path and the vent path when the valve moves from the first configuration to the second configuration.

The present invention provides a needleless connector comprising: a housing having an upper portion comprising an inlet port, a lower portion comprising an opening, and an inner surface forming an interior cavity extending from the inlet port to the opening, the upper portion having a first section of opposing walls inclined radially inwardly; and a compressible valve having a head portion and a compressible body portion extending distally from the head portion, the compressible valve located within the interior cavity and compressible between a closed state in which the compressible body portion is closed and an open state in which the compressible body portion extends distally from the head portion. In an open state, a top section of the head portion engages against the inner surface to impede flow of fluid between the inlet port and the interior cavity, and in an open state, the top section of the head portion engages against a first segment of opposing wall that is radially inwardly inclined, the top section of the head portion is biased and a fluid flow path is formed between the top section of the head portion and the inner surface.

Refreshing stylets, catheter systems, and methods thereof. The refreshing stylet can be configured to fit within a lumen of a catheter such as hemodialysis catheter. The refreshing stylet can include an elongated hollow body having a proximal portion coupled to a needleless connector, a distal portion ending in a distal tip, an interior surface, an exterior surface, and a side hole. The exterior surface can be coated with a sustained-release formulation including one or more anti-thrombotic agents. The sustained-release formulation can be configured to contact a luminal surface of the catheter and prevent thrombus formation thereon. The side hole can be configured to provide a locking solution to the lumen of the catheter for locking the catheter between uses.

A needleless connector can include a housing having an inlet port, an outlet port, and an inner surface defining an internal cavity extending between the inlet port and the outlet port, and a compressible valve reciprocally disposed in the internal cavity. In a closed state, a top section of a head portion of the compressible valve can have a planar shape configured to contact and seal against the inner surface of the housing. In an open state of the compressible valve subject to an axial force, the top section of the head portion can be trapped between two pinch points between opposing walls of an inwardly sloped portion of the inner surface. Further, in the open state, the top section of the head portion can have a non-planar shape defining a fluid path extending at least partially between opposing walls on an outwardly sloped portion of the inner surface.

A catheter system may include a needleless connector that may include a distal end, a proximal end, and a valve disposed between the distal end of the needleless connector and the proximal end of the needleless connector. The catheter system may include an exhaust assembly, which may include a proximal component and a distal component. The proximal component may include a male luer adapter, which may include a male luer. The distal member may include a distal end coupled to the proximal end of the needleless connector, and a proximal end coupled to the male luer adapter. In response to the proximal member moving from the proximal position to the distal position relative to the distal member, the male luer of the male luer adapter may open the valve to expel air inside the catheter system.

Flow path control devices and a method for delivering a medical fluid by flow path control device are disclosed. A flow path control device includes an inner housing and an outer housing. The inner housing includes a knob that rotates the inner housing relative to the outer housing. Rotating the knob activates different flow paths by aligning the flow paths with flow channels on the outer housing. Flow indicators on the inner housing are visible through windows in the outer housing and show a user of the flow path control device which flow channels are open. Additionally, at least one of the flow channels is an access port for a needleless fluid connector. When the flow channels are open, medical fluid can be transported through the flow channels.

A needleless connector includes a housing having a body portion and a base portion with a central longitudinal axis. The body portion includes an inner surface forming an internal cavity and a first port forming a first fluid passageway to the housing cavity. The base portion includes a top end segment and a bottom end segment. The top end segment has a protrusion and the bottom end segment has a second port forming a second fluid passageway to the housing cavity. The needleless connector further includes a valve having a wall with an inner surface forming a valve cavity. The valve is coupled with the housing such that the protrusion is positioned in the valve cavity and a proximal end of the protrusion is spaced apart from a proximal end of the valve cavity.

The needleless connector may include a housing having an inlet port, an outlet port, and an inner surface defining an internal cavity extending between the inlet and outlet ports, and a compressible valve reciprocally disposed within the internal cavity. In a closed state, an upper portion of a head of the compressible valve may have a planar shape configured to contact and seal against the inner surface of the housing. In an open state, in which the compressible valve is subjected to an axial force, the upper portion of the head may be clamped between two pinch points between opposing walls of an inwardly sloping portion of the inner surface. Furthermore, in the open state, the upper portion of the head may have a non-planar shape defining a fluid path at least partially extending between opposing walls of the outwardly sloping portion of the inner surface.

Fluid delivery securement systems, needleless connector securement systems, and methods for regulating fluid delivery with these systems are disclosed. The fluid delivery securement system comprises a catheter securement system and a needleless connector securement system. The catheter securement system and the needleless connector securement system are primary and secondary securement devices that prevent harmful movement of the fluid delivery devices. The catheter securement system includes a catheter securement device adhered to the patient and a catheter hub comprising one or more catheters. The needleless connector securement system comprises a securement device adhered to the patient. The securement device is movably coupled to a bracket, which can be coupled to different needleless connectors. The needleless connectors, in turn, are coupled to catheters. The bracket can rotate and translate the needleless connector and the catheter relative to the securement device, which facilitates clinician access to the needleless connector and the catheter.

To provide a separator with a movable closing connector and a needleless connector that are likely to be separated from each other to prevent leakage of a liquid medication or blood even when a patient moves unexpectedly and can be used repeatedly when being sterilized with alcohol cotton.SOLUTION: A movable closing connector 22 includes a body, a first connection part, and a first elastic valve. The body includes a cylinder part and a first engaging part. The first engaging part is a projecting block and provided on the cylinder part. A needleless connector includes a housing, a second connection part, and a second elastic valve. The housing or the second connection part includes a second engaging part. The second engaging part is a projecting block. The force with which the first engaging part is fixed to the second engaging part is 1.4 to 8.1 Newton meters, and thereby exerts effect of being likely to be separated.SELECTED DRAWING: Figure 4

A catheter assembly is provided that includes a catheter having a catheter distal end and a catheter proximal end, a catheter adapter coupled to the catheter proximal end and including a lumen in fluid communication with the catheter and an adapter port in fluid communication with the lumen, a near-patient adapter connected to the adapter port via an extension tube and including a distal end and a proximal end, and a needle-free connector coupled to the proximal end of the near-patient adapter. The needle-free connector includes a main body defining an inner lumen and including a distal port and a proximal port, a split septum valve retained within the proximal port and extending into the inner lumen, and a pressure resistance-increasing feature incorporated into or provided adjacent to the split septum valve configured, to increase a pressure capability of the needle-free connector.

A disinfection cap for a needleless connector includes an outer housing having a sidewall and an outer guide on an interior surface of the sidewall. The cap also includes an inner housing having an open end sized to receive the distal end of the needleless connector, a sidewall, and an inner guide on an outer surface of the sidewall, the inner guide interacting with the outer guide of the outer housing. The cap also includes an absorbent member disposed in the inner housing, the absorbent member configured to contain a cleaning solution for cleaning and / or disinfecting a portion of the needleless connector joined to the cap. Movement of the inner guide relative to the outer guide causes the inner housing to move axially into the outer housing and alternate between rotation in a first direction and rotation in a second direction relative to the outer housing.

To provide systems, methods, and computer program products for detecting connection of a medical device to a needleless connector.SOLUTION: An example system includes an image capture device and at least one processor. The image capture device may be configured to capture a set of images of a movable component of a needleless connector. The at least one processor may be configured to receive the set of images of the movable component of the needleless connector, and process the set of images of the movable component of the needleless connector to determine whether a medical device is connected to the needleless connector.SELECTED DRAWING: Figure 4

An insert for a catheter system may include a distal end, a proximal end, and an intermediate portion disposed between the distal and proximal ends. The distal end of the insert may include a male port, and the proximal end of the insert may include a female port opposite the male port. The insert may be configured to extend through an adapter and / or a needleless connector of the catheter system to reduce exposure of the adapter and / or the needleless connector to blood that may flow through an inner lumen of the insert. The inner lumen of the insert may extend through the male port, the intermediate portion, and the female port.

Fluid connectors comprising valves with channels that comprise undulating circumferential ridges are disclosed. A fluid connector includes a housing comprising a post, which is coupled with a valve. The valve is displaceable relative to the post by fluid delivery device, and the displacement allows fluid to flow through the fluid connector assembly from the fluid delivery device. The fluid delivery device applies an external force to the valve when the fluid delivery device is engaged with the fluid connector assembly. When the fluid delivery device is disengaged, the external force is removed, and a resolved force from the post displaces the valve to its original shape and position. In its original shape and position, the valve prevents the fluid from flowing through the fluid connector assembly.

The utility model relates to a device for confirming the completion of disinfection and a needleless connector. The device comprises an electrically activated light source. The device also includes at least one housing having a wall formed by a diffusion control film and encapsulating a salt that is soluble in a sanitizer for disinfection. The at least one housing and the light source are electrically connected in series.

Seals for medical fluid connectors are disclosed. A seal as molded may have an elliptical cross-sectional shape, an aperture on the top face of the seal, a well inside the seal, and a divet on the bottom face of the seal. The seal as molded becomes assembled when it is constrained by a housing. When constrained by the housing, the seal has a circular cross-sectional shape, and the aperture becomes an elongate insertion area. The elongate insertion area is closed such that fluid cannot permeate the seal as assembled. However, the seal as assembled is penetrable by a center post through the elongate insertion area, and the center post creates a fluid path through the seal when the center post penetrates the seal.

The integrated catheter system includes a catheter adapter including a catheter and an inlet, where the catheter is configured to be inserted into a patient's vascular system; a needleless connector including a first port, a second port positioned opposite the first port, and a side port positioned between the first port and the second port, where the second port includes a valve member; an intermediate tube extending between the inlet of the catheter adapter and the first port of the needleless connector; and an extension tube extending from the side port of the needleless connector, where the needleless connector includes chlorhexidine.

Needleless connectors are described that can include a housing and a flexible valve element, the flexible valve element positioned within a cavity of the needleless connector to selectively permit flow between proximal and distal fluid ports of the housing, and the flexible valve element including a valve head, a valve stem, and a valve diaphragm, the flexible valve element further including features to resist obstruction of fluid flow between the valve head and the valve diaphragm, including a fluid flow pathway along any of a shoulder of the valve head and the valve diaphragm, where the fluid flow pathway can be formed by any of a channel and a rib. The flexible valve element can further include a diaphragm formed as a bellows to resist or reduce strain on the flexible valve element when the needleless connector is activated.

A sheath can be used to protect a catheter hub from contamination. The sheath can surround the catheter hub and seal the interface between the catheter hub and a needleless connector. The sheath can be installed onto the catheter hub either before or after the needleless connector has been connected to the catheter hub.

A catheter system comprising: a catheter adapter; a catheter extending distally from the catheter adapter; an extension tube extending from the catheter adapter; a needle assembly comprising a needle hub and an introducer needle, wherein a proximal end of the introducer needle is secured within the needle hub; a Y-adapter having a distal end, a first arm, and a second arm, wherein the distal end of the Y-adapter is coupled to the extension tube; a needleless connector coupled to the second arm and comprising a compression seal; and a vent cap coupled to the needleless connector and comprising a vent path and a gas permeable barrier within the vent path, wherein in response to movement of the vent cap from an unactuated position to a depressed position, the compression seal is compressed by the vent cap to allow fluid to pass through the vent path.

An intermittent, injection port assembly includes first and second mating structures. The first mating structure includes a proximal end and a radially outer proximally facing step. An external thread is located between the proximal end and the radially outer proximally facing step. A first annular ratchet portion is located on the first mating structure. The second mating structure includes an annular radially inner distally facing step. An internal thread is located between the second mating structure distal end and the radially inner distally facing step. A second ratchet portion is located on the second mating structure. The first and second mating structures are coupled together by engagement of the internal thread with the external thread, such that the first and second annular ratchet portions prevent disengagement of the internal thread from the external thread after the first and second mating structures are coupled together.