36 results about "Intravenous fluid" patented technology

The present invention relates in one aspect to an intravenous fluid delivery system which comprises a power supply and an infusion fluid warmer that comprise respective data communication interfaces supporting data exchange through a power supply wire connected between the power supply and the infusion fluid warmer.

The present invention relates to a method by which intravenous fluids, blood or artificial blood containing high levels of mechanically infused dissolved oxygen can be used to maintain appropriate oxygen levels in venous blood to provide short term oxygenation support to a compromised patient or trauma patient. In one aspect, a system and method for oxygenating a biological fluid for a compromised subject or trauma subject in need of oxygenation support to maintain the subject at an appropriate oxygen level is provided, the method comprising: supplying oxygen from an oxygen source; and dissolving an amount of the supplied oxygen into the biological fluid to obtain an oxygen enriched biological fluid.

An assembly and system suitable for dispensing liquid from a compressible bag, such as for the intravenous treatment of a patient. The assembly includes an apparatus and a flexible mat. The apparatus includes a housing with a dispensing end and an opposite rear end, a floor comprising a flat floor surface, a pair of parallel guide tracks, and a roller arrangement including a roller body. The roller arrangement has a first roller arrangement end and a second roller arrangement end coupled respectively to the respective guide tracks. The mat has a first mat end, which is mounted or adapted to be mounted on the roller body, and the mat is located at least partially on the flat floor between said guide tracks.

The dual differential pressure transducer assembly includes a flow path element that defines a fluid channel from an intravenous (IV) fluid inlet to an IV fluid outlet and defines a centerline axis of the assembly. A first sensor cavity and a second sensor cavity are disposed in parallel alongside the fluid channel and are separately connected to the fluid channel via first and second notches through the flow path element across the centerline axis. A first differential pressure sensor and a second differential pressure sensor abut their respective cavities and are exposed to the fluid channel through the notches. Separate signal conductors are electrically connected to the first differential pressure sensor and the second differential pressure sensor and are housed within a common connector cable.

An infusion control device capable of actively controlling and monitoring the administration of medical fluids for gravity-based infusion of medical fluids is disclosed, wherein the gravity infusion control system is connectable to an intravenous administration set and may include a flow monitor, a flow controller, and a user interface.

An inline microgravity air trap device includes an elongate air trap chamber, the air trap chamber having a blind end, an opposite air outlet end containing a gas egress opening, a fluid inlet port connecting to a pressurized fluid supply, a fluid outlet port connecting the air trap chamber to a fluid delivery destination, a filter forming a tube having an interior, a first end at the blind end of the air trap chamber and a second end at the gas egress opening, and a structural insert in the interior of the tube, having a first insert end located at the blind end, and a second insert end located the air outlet end, where the chamber is formed to direct fluid from the pressurized fluid supply to accelerate centrifugally around the filter, forcing gas contained in the fluid to pass through the filter into the interior of the tube.

To provide a wound dressing system configured to provide instillation fluid and negative pressure wound therapy for fascia incision in incision of a deep abdominal part.SOLUTION: A system for providing instillation fluid to a deep abdominal wound includes an instillation module and a connection structure. The instillation module defines a first surface and a second, abdominal contents-facing surface. The instillation module includes a distribution hub configured to receive instillation fluid from an instillation fluid source. The connection structure includes a first surface, a second, abdominal contents-facing surface; and a flow path extending between the first surface and the second surface. The flow path includes an inlet configured to receive an instillation fluid conduit engaged with the instillation fluid source and an outlet in fluid communication with the instillation module. The flow path defines an axis extending between the inlet and the outlet. The flow path is configured to compress in a direction defined by the axis.SELECTED DRAWING: Figure 1

An intravenous fluid control valve is disclosed. The intravenous fluid control valve assembly has a housing, a linear passageway extending from an upper to a lower end of the housing, a first opening for receiving an intravenous fluid line extending through the linear passageway of the housing and a second opening through which the intravenous fluid line exits, a valve member coupled with the linear passageway of the housing, the valve member moveable from a first closed position in which the valve member reduces a fluid flow rate of the intravenous fluid line to a second open position in which the valve member increases the fluid flow rate of the intravenous fluid line, with the presence of a first visual indicator occurring when the valve member is in the closed position, and the presence of a second visual indicator is responsive to the valve member being in the open position.

The invention relates to the technical field of medical equipment, and discloses an improved infusion apparatus for monitoring venous exosmosis, comprising: a Murphy's dropper made of an elastic material, the Murphy's dropper having a cavity for forming liquid drops; a first electrode and a spiral flow guide rib are arranged in the cavity of the Murphy dropper; the first electrode is used for monitoring dripping of liquid drops, and the first electrode is fixed in an interference fit mode through a mounting hole in the center of the spiral flow guide rib; moreover, the host is configured to ignore a signal as invalid data when identifying that the change rate of the liquid dropping interval exceeds 10 times of a normal threshold value and the duration time is less than 2 seconds. By integrally forming the elastic cleaning scraper on the inner wall of the Murphy's dropper, an electrode cleaning mechanism which is extremely simple, reliable and low in cost is provided, and medical staff can effectively and physically scrape and clean an electrode as required and timely remove liquid medicine residues attached to the surface of the electrode only through simple dropper pressing action.

A dual-channel spike for recirculation of cooling fluid from an intravenous (IV) fluid bag to a medical device, the spike includes a shaft having inlet and outlet openings defined therein, a pointed distal end, and a proximal end, the pointed distal end configured to puncture an intravenous fluid bag; a handle attached to the proximal end of the shaft, an inlet connector fluidly coupled to the handle, the inlet connector configured to be fluidly connected to a first fluid line; an outlet connector fluidly coupled to the handle, the outlet connector configured to be fluidly connected to a second fluid line; an inlet channel defined in the shaft and the handle coupling the inlet connector and the outlet opening; and an outlet channel defined in the shaft and the handle coupling the outlet connector and the inlet opening.

The utility model discloses an automatic intravenous fluid preparation device which comprises a fluid preparation box, a stirring mechanism is installed on one side of the fluid preparation box, a sealing mechanism is arranged at the upper end of the fluid preparation box, gas transmission equipment is installed on one side of the fluid preparation box, and the lower end of the gas transmission equipment is connected with a gas transmission pipeline. One end of the gas conveying pipeline is connected to two sides of the lower end of the liquid preparation box. According to the intravenous injection liquid preparation device, the intravenous injection liquid preparation efficiency and effect can be improved, the mixing uniformity can be improved, the liquid preparation time can be shortened, and the labor cost of operators can be reduced.

The utility model discloses a needleless joint integrated device for intracavity electrocardio positioning, the intracavity electrocardio positioning comprises an injector for intravenous injection, a central venous catheter matched with the injector for use, and medical detection equipment, and the needleless joint integrated device comprises a positive pressure joint arranged at a liquid outlet of the injector, and a negative pressure joint arranged at a liquid outlet of the injector. The positive pressure connector is provided with an injector connector, a circulation section, a central venous catheter connector and a coil box body arranged on the outer side of the circulation section in the flowing direction of intravenous fluid, and a rotary roller perpendicular to the circumferential face of the circulation section and an electrode wire wound on the rotary roller are arranged in the coil box body. The fixed end of the electrode wire penetrates through the side wall of the circulation section to make contact with intravenous fluid, the coil box body is provided with a wire outlet used for drawing out the electrode wire, and the drawing-out end of the electrode wire is used for being connected with external medical detection equipment. The device disclosed by the utility model can realize multi-scene intracavity electrocardiogram positioning, and can reduce bacterial infection.

The present invention relates in one aspect to a power supply for intravenous fluid delivery systems and an infusion fluid warmer for the intravenous fluid delivery systems. The power supply comprises a rechargeable energy storage component for delivery of a primary DC voltage. The power supply comprises a voltage regulator configured to deliver a secondary DC voltage which may exhibit a lower maximum current output than a maximum current output of the primary DC voltage.

This invention provides an extravasation detection device, an extravasation detection system, and a program that enable easier detection of extravasation, even in cases where detection in peripheral blood vessels is difficult. [Solution] The extravasation detection device 1 includes: a first measurement value acquisition unit 11 that acquires a first measurement value related to the blood flow state during the administration of intravenous fluid from the indwelling needle 5 at a first measurement position B1 in the blood vessel L near the insertion position A1 where the indwelling needle 5 is inserted into the blood vessel L of patient P; a second measurement value acquisition unit 12 that acquires a second measurement value related to the blood flow state before and after the administration of intravenous fluid from the indwelling needle 5 at a second measurement position B2 corresponding to the first measurement position B1; a determination unit 14 that determines whether or not intravenous fluid administration is being performed normally by comparing the first measurement value acquired by the first measurement value acquisition unit 11 and the second measurement value acquired by the second measurement value acquisition unit 12; and a determination result output unit 15 that outputs the determination result from the determination unit 14.

This invention relates to a process through which intravenous fluids, blood, or artificial blood containing high-levels of mechanically-injected dissolved oxygen can be used to maintain appropriate oxygen levels in the venous blood and thereby provide short-term oxygenation support for compromised or trauma patients. In one aspect, there is provided a system and process for oxygenating a biological fluid for use in a compromised or a trauma subject in need of oxygenation support to maintain appropriate oxygen levels in the subject, the process comprising: supplying oxygen gas from an oxygen source; and dissolving an amount of the supplied oxygen into a biological fluid to obtain an oxygen enriched biological fluid.

This invention provides an extravasation detection device, an extravasation detection system, and a program that enable easier detection of extravasation, even in cases where detection in peripheral blood vessels is difficult. [Solution] The extravasation detection device 1 acquires measurements from the blood flow measuring device 4 regarding the blood flow state in the heart H of patient P, in which an indwelling needle has been inserted at a predetermined site 7 in the body, before and after the administration of intravenous fluid from the indwelling needle. Based on the acquired measurements, it determines whether or not the intravenous fluid administration is being performed normally and outputs the determination result.

The present disclosure relates to fluid warmers such as intravenous fluid warmers for medical applications that exhibit improved leakage current suppression or cancellation during fault conditions of an intravenous fluid delivery system.

A system and method for tracking and administering liquid intravenous medications in a hospital, clinic, or patient residence, including recording information onto a short range communication device affixed to a liquid container in a hospital pharmaceutical filling or compounding center, the information including drug information, patient information, and IV administration information, transferring the liquid container to a patient's bedside, programming an infusion course into a bedside IV infusion pump by enabling the pump to read the encoded information on the communication device, and disposing of the liquid container and any residual drug in a smart disposal bin that reads the communication device and weighs the container. The disposal bin may confirm the chemical contents of the container.

An intravenous (“IV”) drip chamber for reducing turbulence is disclosed, along with related systems and methods. The IV drip chamber includes an enclosure having an entrance and an exit. A ramp, such as with an at least substantially continuous incline, extends from a first location proximate the entrance, such as below the entrance, to a second location proximate the exit, such as above the exit. In this way, droplets of medication or other fluid may travel smoothly and / or with a smaller fall through the drip chamber, thereby reducing formation of micro-bubbles or other turbulence.

A system for strain relieving intravenous (IV) assembly includes a dressing and an anchor portion for use with the dressing. In various embodiments, the dressing may cover an injection site into a portion of a patient's body for an intravenous (IV) assembly that provides fluid communication between the injection site and a fluid reservoir remote from the injection site through a flexible tube. In an illustrative example, the anchor portion may include a first member and a second member. The first member may be secured, for example, to the dressing and may, in some examples, wrap around the tubing so as to resist axial movement of the tubing relative to the dressing. The second member may be secured to the dressing and may wrap around the tubing and a portion of the patient's body so as to resist radial movement of the tubing relative to the body.

A system for warming intravenous fluids is provided including a positioning holder configured to receive and support a tube for providing at least one intravenous fluid to a patient and a plurality of elongate heating fingers, wherein each elongate heating finger is configured to be independently manipulated such that said elongate heating finger contacts the tube to transfer heat to the at least one intravenous fluid provided via the tube.

This application discloses an intravenous fluid exchange connection device, belonging to the field of medical devices. The device includes an infusion tubing and a plug fixedly inserted into the infusion tubing. The plug has an infusion port communicating with the infusion tubing. The plug is equipped with a sealing assembly, which includes a lifting plate that moves axially within the plug, a sealing plug inserted into the infusion port and fixedly connected to the lifting plate, a ring that moves axially on the plug and is connected to the lifting plate for driving the lifting plate to descend, and a spring fitted onto the plug and fixedly connected to the lower end of the ring for driving the ring to rise. The sealing assembly effectively prevents external air from entering the plug during fluid exchange, greatly reducing the risk of air embolism and significantly improving the safety of intravenous therapy. Furthermore, the entire device is easy to operate; medical personnel do not need to perform any additional complex operations. Simply inserting and unplugging the plug automatically opens and seals the infusion port, improving fluid exchange efficiency.

An intravenous fluid bag comprising: a primary chamber configured to retain a liquid; a valve in fluid communication with the primary chamber, the valve including a housing, a spike element, and a seal, with the housing surrounding the seal, which surrounds the spike element; the spike element having a first end culminating in a tip, a second end having an inner conduit, and one or more through holes between the tip and the second end in fluid communication with the inner conduit forming part of a continuous liquid passageway in fluid communication with the primary chamber; the seal having a relaxed state preventing fluid flow through the valve, and the seal having a compressed state through which the through holes of the spike element extend allowing fluid flow from a source external the intravenous fluid bag, through the through holes, through the inner conduit, and into the primary chamber.

The present invention relates to an automatic intravenous fluid injector comprising: an intravenous fluid bag; a connection tube forming a passage through which an intravenous fluid is injected into a patient: an intravenous fluid tank in which the intravenous fluid bag is stored and which has an externally installed gas tube that can permit or block the passage of gas; a drive device for adjusting the cross-sectional area of the connection tube; a pressure sensor for measuring the internal pressure of the intravenous fluid tank; and a control device for calculating the injection amount of the intravenous fluid by measuring the gas pressure in the intravenous fluid tank by using the fact that, when the gas injected into the intravenous fluid tank through the gas tube presses the intravenous fluid bag so that the intravenous fluid is injected through the connection tube, the volume of the injected intravenous fluid corresponds to the volume change of the gas in the intravenous fluid tank, wherein the control device calculates the injection speed on the basis of sensing data of the pressure sensor and controls the drive device so that the injection speed corresponds to a predetermined speed.

The invention belongs to the technical field of medicines, and discloses application of lipoic acid in preparation of a medicine for treating brain injury caused by diquat poisoning. The invention firstly expounds that lipoic acid regulates microglial cell polarization and blood brain barrier repair through an NRF2 pathway, and solves the problem of no targeted drug for diquat brain injury. The invention provides a new application of lipoic acid in treatment of diquat brain injury, and solves the problem that in the prior art, targeted repair of blood brain barrier and inhibition of neuroinflammation cannot be realized. Lipoic acid adaptation diseases are expanded to the field of acute poisoning, the clinical transformation potential is high, and the application range of lipoic acid is widened. The medicine disclosed by the invention can be an injection preparation (intravenous fluid), follows a mature injection process, can be quickly put into clinical use, and has preparation advantages.

A system (10) for monitoring an intravenous procedure for a patient comprises a bio-impedance sensor (11) and an impedance measuring unit (20). The bio-impedance sensor (11) comprises at least a pair of supercutaneous electrodes (15a-15d) disposed in electrical contact with the skin of the patient proximate an insertion site (18, 350) for an injection device (300). The impedance measuring unit (20) is operatively coupled to the bio-impedance sensor (11) for generating a current, energising at least one electrode (15a) and measuring impedance values acquired, between the at least one pair of supercutaneous electrodes (15a-15d), proximate the injection device insertion site (350) when current is generated at multiple frequencies. A processor (30) coupled to the bio-impedance sensor (11) employs an algorithm to process the impedance values acquired at a plurality of selected frequencies. The algorithm for processing the acquired impedance values uses patient and fluid parameters as inputs for analysis of the acquired impedance values to determine presence of extravascular fluid.

Tubing, such as medical tubing for administering intravenous fluids, may include an inner layer, an outer layer arranged concentrically around and around the inner layer, and an intermediate layer between the inner and outer layers. The intermediate layer may include photoprotective additives.

A dual-channel spike includes a shaft having inlet and outlet openings defined therein, a pointed distal end, and a proximal end, the shaft extending along an axis between the proximal end and the pointed distal end, the pointed distal end configured to puncture an intravenous fluid bag; a handle attached to the proximal end of the shaft; an inlet connector fluidly coupled to the handle, the inlet connector configured to be fluidly connected to a first fluid line; an outlet connector fluidly coupled to the handle, the outlet connector configured to be fluidly connected to a second fluid line; an inlet channel defined in the shaft and the handle, the inlet channel fluidly coupling the inlet connector and the outlet opening; and an outlet channel defined in the shaft and the handle, the outlet channel fluidly coupling the outlet connector and the inlet opening.