55 results about "IV catheter" patented technology

An extravascular system is provided which includes a catheter adapter having a blood control septum configured to control flow of a fluid through the catheter adapter, the catheter adapter further having a catheter configured for intravenous insertion. The extravascular system further includes a septum activator slidably inserted within the catheter adapter and configured for advancement through the blood control septum to provide a fluid pathway through the blood control septum. Further still, the extravascular system includes an external safety mechanism comprising a needle hub and a needle shield interconnected via a tether, wherein the needle shield includes a safety clip that is configured to retain a sharpened end of the introducer needle within the needle shield. Some implementations further comprise an access port forming a portion of the catheter adapter and providing selective access to the lumen of the catheter adapter.

An IV catheter device can include or being configured to employ a probe assembly having an integrated fluid flushing mechanism. The probe assembly can be configured in a variety of ways to cause flushing fluid to be injected through a fluid permeable structure of the probe as the probe is advanced distally from a catheter. In this way, the fluid permeable structure can be kept clear of any occlusion that may otherwise form. With the probe extending distally from the catheter, a blood sample may be collected.

A needle is provided that can be used for introducing or aspirating fluids to a patient or as an introducer needle for positioning and inserting a catheter, such as a peripheral IV catheter into a patient. The needle can be an introducer needle that extends from the distal end of the catheter during insertion. The needle has an insertion tip with a configuration to assist penetration into a vein with a reduced incidence of injuring the inner surface of the vein or inadvertently passing through side wall of the vein. The needle tip can be farmed with a curved distal end surface where the pointed tip is spaced radially inward relative to the outer surface of the needle. In another embodiment the needle tip can have a reverse beveled surface having an axial length, angle, and curvature to assist in penetrating the vein with a reduced incidence of transfixing the vein.

An integrated peripheral intravenous (IV) catheter configured for blood draw both at the time of catheter placement and during catheter indwell. The peripheral IV catheter includes a catheter adapter having a catheter configured to be inserted into a patient's vasculature and a side inlet defining a fluid pathway into and out of the catheter. The peripheral IV catheter also includes a side port member having a main branch, the main branch including a distal end configured to couple the side port member to the side inlet of the catheter adapter and a connector portion accessible via a proximal end of the main branch. Additionally, the peripheral IV catheter includes a blood collection adapter removably and directly coupled to the connector portion of the side port member at the proximal end of the main branch. Furthermore, side pore member of the peripheral IV catheter may include a side branch.

A probe delivery device can include a probe delivery mechanism that facilitates advancing a probe through an IV catheter. The probe delivery mechanism can be housed within a compartment of the probe delivery device and can include a probe that extends from the compartment into a fluid pathway formed within the probe delivery device. A portion of the probe delivery mechanism can extend out from the housing to enable a clinician to advance and retract the probe. The probe delivery device may include a vacuum tube receiver or a connector to enable a blood draw or fluid injection to be performed using the probe delivery device.

A fluid extravasation detection device detects the subcutaneous extravasation of fluid from a vein containing an intravenous (IV) catheter. The device includes one or more first temperature sensors for positioning on skin near an entry point of the IV catheter into the vein, and one or more second temperature sensors for positioning on skin near a tip of the subcutaneously located IV catheter. The first and second temperature sensors are operably connected to an electronic thermometer that compares the temperature difference between a first temperature and a second temperature. The first temperature is determined based on temperature detected by at least one of the one or more first temperature sensors. The second temperature is determined based on temperature detected by at least one of the one or more second temperature sensors. An alarm is activated if the difference between the first and second temperatures changes more than a predetermined amount.

An IV catheter system may have a catheter component and a needle component. The catheter component may have a catheter hub, a cannula extending distally from the catheter hub, and a push feature extending outward from the catheter hub. The push feature may have an outer surface that receives contact from a digit to move the IV catheter system from an insertion configuration, in which the needle is within the cannula, to a fluid delivery configuration, in which the needle is outside the catheter hub. The needle component may have a needle hub and a needle extending distally from the needle hub along an axis. The push feature may be formed of a flexible material that causes the push feature, in response to pressure exerted on the outer surface by a dressing securing the catheter component to a patient, to deflect the outer surface toward the cannula axis.

A closed IV catheter system extending in a distal-proximal direction along a central axis (A) is disclosed. The catheter system (10) comprises: a catheter hub (100) having: a tubular catheter (101) attached at its proximal end to a catheter hub body (102); and a catheter hub cavity (103) in fluid communication with the lumen of the tubular catheter (101); a tube connector (104) in fluid communication with the catheter hub cavity (103). A tube connector (104) extends laterally from the catheter hub body (102). The catheter system (10) also includes a septum (106) having a distal end (116) and a proximal end (126) and disposed inside the catheter hub cavity (103) proximal to the tube connector (104). The septum (106) comprises a pocket (107) extending in a distal-proximal direction towards the central axis (A) between a distal end (116) and a proximal end (126), and the distal end (116) of the septum (106) extends distally past a waist (109) disposed on an inner surface of the catheter hub cavity (103).

The utility model discloses a central venous pressure measuring device, and belongs to the technical field of central venous pressure measurement. A central venous pressure measuring device comprises an infusion tube, a puncture outfit for puncturing a normal saline bag is arranged at one end of the infusion tube, a drip chamber and a flow regulator for controlling the flow of the drip chamber are arranged on the infusion tube, and a three-way valve is connected to the end, away from the puncture outfit, of the infusion tube. The other two interfaces of the three-way valve are movably connected with a piezometric tube and a venous catheter connected with a central vein; the central venous pressure measuring tube can be used for directly measuring the central venous pressure of a patient, medical staff do not need to disassemble and assemble other tubes, and the problems that the number of consumed materials is large, operation is complex, and infection is caused by contact with bacteria easily during central venous pressure measurement are solved.

An IV catheter device includes a needle component having an elongated needle with a sharp distal tip and a hollow needle hub that defines a flash chamber. The device includes a catheter component having a hollow body through which the needle passes and an actuatable obturator that is disposed within the hollow needle hub and moves between a pre-deployment position and a deployed position. In both the pre-deployment position and the deployed position, the actuatable obturator is disposed within an inner lumen of the elongated needle. In the deployed position, a blunt distal end of the obturator blunts the elongated needle. The actuatable obturator is biased by a biasing element that releases stored energy as the actuatable obturator moves from the pre-deployment position to the deployed position. The biasing element is disposed within the hollow needle hub within the flash chamber. The actuatable obturator is hollow and has an inner lumen formed therein that is open at proximal and distal ends of the obturator, with the inner lumen at the proximal end of the obturator being open to an area of the flash chamber that contains the biasing element.

An apparatus includes a catheter, an introducer having a first member and a second member, a locking mechanism coupled to a distal end of the first member and configured to couple the introducer to a peripheral intravenous line, and an actuator coupled to the catheter. The actuator is configured to move from a first configuration, in which the catheter is disposed within the introducer, toward a second configuration to move the second member to a distal position relative to the first member. A portion of a guide of the second member being distal to the first member when the second member is in the distal position. The actuator is configured to move relative to the second member to be placed in the second configuration when the second member is in its distal position such that the catheter is disposed within and extending past an end of the peripheral intravenous line.

Integrated IV catheters can have a side port that facilities drawing blood. The side port provides separate fluid pathways for drawing blood and for injecting fluids via an extension set. The side port can be configured to allow the extension set to be primed while a blood sample is collected. In this way, the collection of a blood sample at the time of catheter insertion is facilitated.

An intravenous (IV) catheter system may include a catheter adapter having a proximal end and a distal end. The IV catheter system may also include a cannula extending through the catheter adapter. A proximal end of the cannula may include a notch. The IV catheter system may also include a needle hub, which may be coupled to the proximal end of the catheter adapter. The needle hub may include a flashback chamber, which may be in fluid communication with the notch when the IV catheter system is in an insertion configuration.

A probe delivery device can include a probe delivery mechanism that facilitates advancing a probe through an IV catheter. The probe delivery mechanism can be housed within a compartment of the probe delivery device and can include a probe that extends from the compartment into a fluid pathway formed within the probe delivery device. A portion of the probe delivery mechanism can extend out from the housing to enable a clinician to advance and retract the probe. The probe delivery device may include a vacuum tube receiver or a connector to enable a blood draw or fluid injection to be performed using the probe delivery device.

Provided herein is a system including an IV catheter assembly with a catheter having a distal end positionable intravenously within a patient and a port providing fluid access to the catheter. The system also includes a pre-filled syringe connectable to the port and that contains an aqueous catheter lock solution having magnetic particles suspended therein. The system further includes a probe module comprising a magnetic probe that includes a magnet element and a driver. The magnetic probe is operable in a first driving mode where the magnet element causes the magnetic nanoparticles to migrate towards the distal end of the catheter and is operable in a second driving mode where the magnet element causes a temperature of the magnetic nanoparticles to increase, generating a magnetically-induced hyperthermic condition at the distal end of the catheter that prevents and / or treats thrombus formation and biofilm accumulation in the catheter.

The utility model discloses a deep venous catheter, which belongs to the technical field of medical instruments and can effectively prevent air from entering blood vessels. Comprising a catheter body, a multi-way tube seat, a plurality of branch tubes, a plurality of connectors and a plurality of switch valve assemblies, the multi-way tube seat comprises a plurality of input ports and an output port, and the output port is communicated with one end of the catheter body; each branch pipe is communicated with the corresponding input port and comprises a second pipe section; each connector is arranged on the corresponding branch pipe; each switch valve assembly is arranged in the corresponding second pipe section and comprises a first disc body and a first sealing assembly, the radius of the first disc body is equal to the inner diameter of the second pipe section, the central axis of the first disc body coincides with the central axis of the second pipe section, and a first stepped through hole comprising a first hole section and a second hole section is formed in the first disc body; the radius of the first hole section is larger than that of the second hole section, the second hole section is located between the connector and the first hole section, and the first sealing assembly is used for controlling connection and disconnection of the first hole section.

A probe delivery device can include a probe delivery mechanism that facilitates advancing a probe through an IV catheter. The probe delivery mechanism can be housed within a compartment of the probe delivery device and can include a probe that extends from the compartment into a fluid pathway formed within the probe delivery device. A portion of the probe delivery mechanism can extend out from the housing to enable a clinician to advance and retract the probe. The probe delivery device may include a vacuum tube receiver or a connector to enable a blood draw or fluid injection to be performed using the probe delivery device.

A vacuum tube receiver can include a housing that has a proximal end and a distal end. The housing can include a hollow interior and a proximal opening for receiving a vacuum tube into the hollow interior. The distal end of the housing can form an adapter for coupling the vacuum tube receiver to an intravenous system. The vacuum tube receiver may also include one or more spikes that extend proximally into the hollow interior to form a blood flow path. The vacuum tube receiver can include a number of features to control the pressure and / or flowrate of blood into a vacuum tube.

A catheter system is provided that includes a catheter and a first catheter adapter having an adapter body and an adapter wing. The catheter body includes distal, proximal and side ports thereon, with the catheter proximal end secured to the distal port and the side port comprising a luer connection. The adapter wing is joined to the adapter body and includes first and second flexible wings configured to be brought into contact with each other when a pinching force is applied thereto. An extension tube is connected to the proximal port and a second catheter adapter is connected to the proximal end of the extension tube. A blood draw device is coupled to the side port and includes a flow tube configured to be advanced distally out from the blood draw device and through the first catheter adapter and into the catheter to perform a blood draw.

A sterilisation cap engageable with a luer of an IV catheter assembly, the sterilisation cap including a housing defining an interior cavity, the housing having a top wall, a side wall extending downwardly from the top wall and having a threaded interior surface, an open bottom end formed by the side wall and defining an opening, and a tapered protrusion extending downwardly from the top wall, the top wall, the side wall, and the tapered protrusion define an internal cavity. The disinfection cap further includes an annular absorbent disinfection member disposed within the housing adjacent an inner surface of the top wall and positioned around the tapered protrusion, the absorbent disinfection member including a disinfection solution disposed within the housing adjacent an inner surface of the top wall and positioned around the tapered protrusion. The disinfecting solution is configured to disinfect portions of the luer taper when the disinfecting member is attached to the luer taper. The tapered projection is configured to mate with the Luer taper to seal the IV catheter assembly.

An IV catheter device may include or be configured to use a probe assembly with an integrated fluid flushing mechanism. The probe assembly can be configured in various ways to inject flushing fluid through a fluid-permeable structure within the probe as it is advanced distally from the catheter. This keeps the fluid-permeable structure clear of any occlusions that might otherwise form. With the probe extending distally from the catheter, a blood sample can be collected.

An integrated catheter system is provided that includes a catheter and a catheter adapter having an adapter body with distal, proximal and side ports thereon, with the catheter proximal end secured to the distal port and the side port. A first extension tube is connected to the proximal adapter port, with a near-patient connector coupled to an opposite end of the first extension tube, the near-patient connector comprising distal, proximal, and side connector ports, with an access valve provided in the proximal connector port. An extension set is coupled to the side connector port, with the extension set comprising a second extension tube having a connecting port provided thereon. The first extension tube, the near-patient connector, and the extension set are integrated with the catheter adapter.

An IV catheter system can have a catheter component having a catheter hub, a cannula extending distally from a distal end of the catheter hub, and a push feature extending outwardly from the catheter hub. The IV catheter system can also have a needle component having a needle hub, a needle extending distally from the needle hub along an axis, and a grip extending generally parallel to the axis from the needle hub, the grip having a pull feature. In an insertion configuration, the needle can be positioned within the cannula and a distal end of the needle hub can seat in a needle port of the catheter hub. In a fluid delivery configuration, the needle can be positioned outside of the catheter hub. The push feature and the pull feature can be positioned to facilitate manipulation with a single hand to move the IV catheter system from the insertion configuration to the fluid delivery configuration.

A probe delivery device can include a probe delivery mechanism that facilitates advancing a probe through an IV catheter. The probe delivery mechanism can be housed within a compartment of the probe delivery device and can include a probe that extends from the compartment into a fluid pathway formed within the probe delivery device. A portion of the probe delivery mechanism can extend out from the housing to enable a clinician to advance and retract the probe. The probe delivery device may include a vacuum tube receiver or a connector to enable a blood draw or fluid injection to be performed using the probe delivery device.

A protective cap engageable with a needleless connector of an IV catheter assembly includes a collar member defining a central opening within which the needleless connector may be received; a cover member attached to the collar member so as to be pivotable or slidable relative to the collar member, the cover member being movable between a first position in which an end connector of the needleless connector is covered by the cover member and a second position in which the end connector of the needleless connector is not covered by the cover member. An end connector of the needleless connector is exposed from the cover member. The protective cap also includes an operating lever member attached to the cover member and engageable by a user to move the operating lever member from a non-actuated position to an actuated position. The cover member is in the first position with the operating lever member in the non-actuated position, and the cover member is in the second position with the operating lever member in the actuated position.

A catheter assembly has a septum retainer fixedly fitted in a cavity of a catheter hub. The retainer has a chamber having openings proximate to its distal end. A nose in the shape of a distally tapered cylindrical housing has two legs defining a through passageway. Respective protuberances at the distal ends of the legs are in radial alignment with the openings when the nose is inserted into the chamber. A needle having a distal bevel tip passes through the passageway to bias the protuberances into the openings to non-removably couple the nose to the septum retainer. Respective staggered cutouts at the legs accept the heel and tip portions of the bevel tip at the same time as the needle is withdrawn from the catheter hub such that the protuberances are simultaneously released from their openings to enable smooth separation of the insertion device from the catheter hub.

A catheter system is provided that includes a catheter and a first catheter adapter having an adapter body and an adapter wing. The catheter body includes distal, proximal and side ports thereon, with the catheter proximal end secured to the distal port and the side port comprising a luer connection. The adapter wing is joined to the adapter body and includes first and second flexible wings configured to be brought into contact with each other when a pinching force is applied thereto. An extension tube is connected to the proximal port and a second catheter adapter is connected to the proximal end of the extension tube. A blood draw device is coupled to the side port and includes a flow tube configured to be advanced distally out from the blood draw device and through the first catheter adapter and into the catheter to perform a blood draw.

A system for blood sampling and testing includes a catheter assembly having an IV catheter and an access port. A blood draw device is coupled to the access port, with the blood draw device including a catheter tube, a housing that movably receives the catheter tube and has a distal end portion coupleable to the catheter assembly, and an advancement member configured to move relative to the housing to move the catheter tube between first and second positions, to enable a distal end of the catheter tube to be disposed within or past a distal tip of the IV catheter. A coagulation testing device is attached to the blood draw device so as to be positioned proximal to the housing and in fluid communication with the catheter tube, to directly receive a sample of blood from the blood draw device when the catheter tube is in the second position.

This invention provides a method for preparing a deep vein catheter and its inner and outer walls with zwitterionic hydrogel coatings. The catheter of this invention includes: a catheter substrate; an adhesive coating covering the inner and outer walls of the catheter; an inner wall coating and an outer wall coating (4); wherein the inner wall coating and the outer wall coating are respectively fixed to the inner and outer surfaces of the catheter substrate by the adhesive coating; and both are zwitterionic hydrogel coatings. By simultaneously constructing this hydration barrier on the inner and outer walls of the catheter, this invention can block platelet adhesion and coagulation pathway activation from the initial stage of thrombosis; at the same time, the semi-interpenetrating network or microgel-reinforced structure significantly improves the mechanical stability and durability of the hydrogel, making it suitable for long-term indwelling catheters.

1. The name of the design product: the wing part of the intravenous catheter connector of the medical injector. 2. The use of the design product: the local part of the design is used as the wing part of the intravenous catheter connector of the medical injector, which is used for assisting operation, facilitating hand holding, etc.; the overall product is used as a medical injector, which is used in the medical field. 3. The design points of the design product: the shape of the local part. 4. The picture or photo that best indicates the design points: perspective view. 5. Other circumstances that need to be explained: in the design application, solid lines are used to represent the local part, and dashed lines are used to represent the part that is not claimed.