83 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.

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 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.

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.

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.

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.

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

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.

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.

A safety cap for use with a needleless connector. The safety cap includes a body configured to at least partially enclose a head of the needleless connector (NC). The body is configured to achieve a first configuration that can be securely sealed to the NC and a second configuration that cannot be securely sealed to the NC. The second configuration is different from the first configuration. The safety cap also includes a detent in communication with the body which is configured to prevent the body from transitioning from the second configuration back to the first configuration.

A closed, gravity-fed measured volume 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.

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.

A line draw device for use with a peripheral intravenous catheter (PIVC) includes a housing and a flow tube, the flow tube having a retracted position where the flow tube is received within the housing and an extended position where the flow tube extends beyond the housing, a support tube connected to the flow tube and moveable with the flow tube, and a collapsible support positioned within the housing, with a portion of the flow tube extending through the collapsible support. The collapsible support has a first length when the flow tube is in the retracted position and a second length when the flow tube is in the extended position, with the first length larger than the second length. A distal end of the support tube is configured to be positioned proximally of a needlefree connector when the line draw device is connected thereto.

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 central longitudinal axis, a body portion, and a base portion. The body portion includes an inner surface forming an inner 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 having 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 from a proximal end of the valve cavity.

The utility model discloses a needleless connector. The needleless connector comprises a first part and a second part. The first component includes a housing having a proximal end and a distal end opposite the proximal end, the housing defining an interior volume. The central column is arranged in the internal volume and extends towards the near side in the internal volume; a valve disposed in the interior volume at the proximal end of the first member to surround at least a portion of the central post; and a lubricant is disposed between the central post and the valve. The lubricant contains an antibacterial component. The second component includes a housing having a proximal end and a distal end opposite the proximal end, the housing defining a fluid path therein. A stopper is disposed in the fluid path at the distal end of the second member.

A disinfecting cap for an IV needle-free connector. A method for connecting first and second medical device connectors, the first connector comprising a first start thread path having a first major profile, a first minor profile, a first thread pitch, and a first thread cross-sectional profile, and a second start thread path, the first and second cross-sectional profiles being different, the second connector comprising a complementary male thread, the first and second start thread paths being configured to engage the complementary male thread, the method comprising engaging the complementary male thread by at least contacting the first start thread path with a third major profile, thereby forming a first helical void by means of a space encircled by at least one of the third major profile and a third minor profile of the complementary male thread and the first start thread path of the first medical device connector.

A cap is described for connection to a needleless connector having an open lumen, the cap includes a housing having a top wall and sidewall forming a first cavity, an insert, an absorbent reservoir material and a sealing foam. The insert includes an inner thread on an inner surface, the inner thread being sufficient to interlock with a mating feature of a female needleless connector. The inner surface of the insert defines a second cavity. The protrusion / insert includes an outer thread on an outer surface, the outer thread being sufficient to interlock with a mating feature of a male needleless connector. The second cavity configured to define a chamber to contain an absorbent reservoir material, a sealing foam and disinfectant or antimicrobial agent.

A seal for a medical fluid connector is disclosed. A seal for a medical fluid connector may include a first portion and a second portion compressed together to form a seal. The inner surfaces of the first portion and the second portion include grooves. When the first part and the second part are compressed together, fluid cannot pass between the two parts. In other words, fluid cannot pass through the seal. The seal may be penetrated by the central post at an insertion region compressed by the groove. The central post provides a fluid path through the seal when the central post penetrates the seal. The groove also includes a lubricant that limits an amount of friction between the seal and the central post.

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 invention relates to the technical field of medical instruments, in particular to a sterile disposable needleless connecting piece capable of achieving quick connection. The sterile disposable needleless connecting piece comprises a needleless connector shell, a silica gel piece and a quick connector, the quick connector comprises a shell body, two installation protrusions, two fastening springs and two fastening pieces, the installation protrusions are arranged on the two sides of the bottom of the shell body, and the two fastening springs are arranged on the two sides of the bottom of the shell body. Mounting protrusions are arranged in the shell, sliding grooves are formed in the mounting protrusions, fastening pieces are arranged in the sliding grooves in a sliding mode, the annular mounting grooves are formed in the end opening of the shell to guide external needleless equipment to be inserted, the fastening pieces installed through fastening springs are arranged on the two sides of the interior of the shell, and instant buckle connection with locking holes in the external needleless equipment can be achieved; during operation, rotation is not needed, and locking can be automatically completed through a mechanical structure by direct insertion, so that the connection time of external needleless equipment is shortened from several seconds to the moment, the operation efficiency in an emergency medical scene is greatly improved, and meanwhile, the connection safety and reliability are kept.