454results about "Filtering accessories" patented technology

The invention discloses a PICC infusion protection sleeve facilitating observation and infusion, and relates to the technical field of medical instruments. The invention provides a PICC (Peripherally Inserted Central Catheter) transfusion protective sleeve with ventilation and wiping functions and convenient for observation and transfusion, which comprises a shell, connecting soft plates, a mounting plate, a first connecting plate, a hinged cover plate, a sealing cover, a covering plate, a filter screen, an electric push rod and the like, the shell is fixedly connected with the paired connecting soft plates, the shell is clamped with the mounting plate, the mounting plate is fixedly connected with the first connecting plate, and the first connecting plate is fixedly connected with the hinged cover plate. The first connecting plate is rotatably connected with a hinged cover plate, the first connecting plate and the hinged cover plate are fixedly connected with sealing covers, the hinged cover plate is slidably connected with a covering plate, the covering plate is fixedly connected with a filter screen, and the hinged cover plate is fixedly connected with an electric push rod. By means of the electric push rod, the filter screen and other components, ventilation and heat dissipation can be conducted when the temperature in the protective sleeve is high, the situations that due to the too high temperature, arms of a patient sweat greatly, and an intubation part is infected are avoided, and the comfort and safety of the protective sleeve are improved.

A method comprising obtaining a bodily fluid from a subject; contacting the bodily fluid with an adsorbent material comprising a synthetic carbon particle (SCP) to produce a first filtrate having a level of disease mediators (y); contacting the first filtrate with an adsorbent material comprising the SCP and an anion exchange resin where the ratio of SCP to anion exchange resin is in a range from about 0.1:100 to 100:0.1 to produce a second filtrate; contacting the second filtrate with an adsorbent material comprising the SCP and a cation exchange resin where the ratio of SCP to cation exchange resin is in a range from about 0.1:100 to 100:0.1 to produce a third filtrate.

A medical fluid line system with at least one injection connection element (41) is disclosed, which has an injection connection section (41d) formed integrally with it, preferably integrally with it or inseparably arranged on it, wherein the injection connection section (41d) is designed as a first coupling adapter part (3) of a CSTD system (1).

This invention pertains to systems and components useful for infusing medications such as insulin. Typically, the components are used to deliver insulin to a diabetic patient at a site of infusion over a period of time greater than 4 days. The system components typically comprise a cannula adapted for subcutaneous insertion into a diabetic patient. The system further comprises a fluid conduit adapted to deliver the insulin solution from a medication reservoir to the site of infusion and a depot in operable contact with the fluid conduit. The depot comprises selected materials including a site-loss mitigating agent (such as heparin) which inhibits inflammation at the site of infusion, and encapsulation of the cannula at the site of infusion. The site-loss mitigating agent is not premixed with the insulin, and instead is adapted to contact the insulin solution in the depot as the insulin solution flows from the medication reservoir to the site of infusion.

A snorkel for improving fluid flow during medication delivery procedures is disclosed along with related delivery systems and methods. The snorkel includes a fluid passageway forming an interior passageway for ambient air. A fluid control device is located at the fluid passageway and is moveable between a closed position and an opened position to control passage of the ambient air at the interior passageway. The fluid passageway is sized and shaped to permit extension of a first end of the fluid passageway through a seal of a container and above a fluid line of a substance within the container while the container is oriented for infusion or pooling, the substance remains undrained, and a second end of the fluid passageway as well as the fluid control device remains outside of, and spaced apart from, the container.

The invention relates to the technical field of medical equipment, and discloses an infusion device which comprises an infusion support, the infusion support comprises a base and a balance unit, the balance unit comprises a first balance ring and a second balance ring which are concentrically arranged, and the two opposite sides of the first balance ring and the two opposite sides of the second balance ring are hinged; a balancing weight concentric with the first balancing ring is arranged below the first balancing ring, the top of the balancing weight is fixedly connected with two connecting strips located in the second balancing ring, the two opposite sides of the second balancing ring are hinged to the two connecting strips respectively, and the connecting line of the hinge points of the first balancing ring and the second balancing ring is perpendicular to the connecting line of the hinge points of the second balancing ring and the connecting strips. The first balance ring is fixedly connected with an L-shaped connecting rod, the L-shaped connecting rod is detachably connected with the base, and the top of the connecting strip is fixedly connected with an anti-disengaging positioning mechanism used for fixing an infusion bottle and a bottle inserting needle. According to the technical scheme, the problems that a bottle inserting needle of an existing infusion device is prone to falling off when a patient moves, the infusion speed is unstable, and the patient is inconvenient to move can be solved.

A method may comprise (a) inserting an insulin delivery device subcutaneously into a body of a subject, which comprises an amperometric glucose sensor comprising an electrode layer comprising an indicating electrode and underlying a redox-catalytic layer comprising a redox mediator; (b) using said insulin delivery device to deliver an insulin formulation (e.g., comprising a phenol or cresol excipient) subcutaneously to said subject; and (c) using said amperometric glucose sensor to measure a subcutaneous glucose concentration, which comprises using said redox-catalytic layer to allow electron transfer from subcutaneous glucose to said indicating electrode sufficient to cause a response of said amperometric glucose sensor at an applied bias potential of no more than +250 millivolts, wherein (b) and (c) are performed at the same time for at least one hour, while maintaining a sensor sensitivity of at least 50% of an initial sensor sensitivity for up to one hour.

In an aspect, the present disclosure provides a method comprising: (a) positioning an insulin delivery device on a body of a subject via a single puncture site in said body of said subject; (b) using said insulin delivery device to deliver an insulin or insulin analog formulation to said subject via said single puncture site; and (c) using a sensor of said insulin delivery device to measure a glucose concentration in said body of said subject via said single puncture site, wherein (b) and (c) are performed at substantially the same time for a time period of at least 1 hour subsequent to said positioning in (a), while maintaining a sensitivity of said sensor of at least 50% of an initial sensitivity of said sensor.

This invention pertains to systems and components useful for infusing medications such as insulin. Typically, the components are used to deliver insulin to a diabetic patient at a site of infusion over a period of time greater than 4 days. The system components typically comprise a cannula adapted for subcutaneous insertion into a diabetic patient. The system further comprises a fluid conduit adapted to deliver the insulin solution from a medication reservoir to the site of infusion and a depot in operable contact with the fluid conduit. The depot comprises selected materials including a site-loss mitigating agent (such as heparin) which inhibits inflammation at the site of infusion, and encapsulation of the cannula at the site of infusion. The site-loss mitigating agent is not premixed with the insulin, and instead is adapted to contact the insulin solution in the depot as the insulin solution flows from the medication reservoir to the site of infusion.

Disclosed is a medical venting device, preferably in the form of an insert or attachment, which has a connection section for connection to an injection and / or venting port of a medical device or component and is equipped or can be equipped with at least one filter which is inserted into or attached to the medical venting device, wherein the filter is an activated carbon filter or contains activated carbon as a filter material.

This invention pertains to systems and components useful for infusing medications such as insulin. Typically, the components are used to deliver insulin to a diabetic patient at a site of infusion over a period of time greater than 4 days. The system components typically comprise a cannula adapted for subcutaneous insertion into a diabetic patient. The system further comprises a fluid conduit adapted to deliver the insulin solution from a medication reservoir to the site of infusion and a depot in operable contact with the fluid conduit. The depot comprises selected materials including a site-loss mitigating agent (such as heparin) which inhibits inflammation at the site of infusion, and encapsulation of the cannula at the site of infusion. The site-loss mitigating agent is not premixed with the insulin, and instead is adapted to contact the insulin solution in the depot as the insulin solution flows from the medication reservoir to the site of infusion.

An automated transfer and mixing device receives an injection device, a lyophilized drug vial and a diluent vial and transfers diluent from the diluent vial to the lyophilized drug vial and shakes or vibrates the lyophilized drug vial to reconstitute the drug. The device then transfers the reconstituted drug from the lyophilized drug vial to the injection device.

The invention relates to the technical field of medical instruments, in particular to a rapid blood recovery and infusion system which comprises a blood storage system and a processing system, the blood storage system comprises a blood storage bag, a blood inlet pipeline and a blood transfusion pipeline, and the blood inlet pipeline and the blood transfusion pipeline are both communicated with the blood storage bag; the treatment system comprises an equipment shell, a main control unit, a driving assembly and a sterilization assembly. The driving assembly is used for driving blood to flow into the blood storage bag from the blood inlet pipeline and / or flow into the blood transfusion pipeline from the blood storage bag. The sterilization assembly is used for sterilizing blood flowing through the blood inlet pipeline and / or the blood transfusion pipeline; and the main control unit is used for controlling the starting and stopping of the driving assembly and the sterilization assembly and the operation mode of the driving assembly, so that the portability of blood recovery and blood transfusion of a patient suffering from massive hemorrhage in a field environment by medical personnel can be improved, and the survival probability of a wounded person is improved.

The invention relates to the technical field of medical equipment, and discloses an infusion pump device which comprises a shell, an injection needle module and a medicament delivery module. The shell comprises a bottom shell assembly and a front shell assembly, the injection needle module comprises an injection needle support, a medicament delivery metal catheter, a flexible indwelling hose, a first support, a second support, a detection elastic piece and a reset assembly, the injection needle support can movably penetrate through the front shell assembly in the first direction, and the flexible indwelling hose is arranged at one end of the medicament delivery metal catheter in a sleeving mode. The medicament delivery metal catheter is fixed to the first support, the flexible indwelling hose is fixed to the second support, the detection elastic piece is fixed to the bottom shell assembly, and when the flexible indwelling hose is located at the medicament injection station, the second support is connected with the detection elastic piece in a clamped mode. The reset assembly is used for driving the drug delivery metal guide to move in the opposite direction of the first direction relative to the flexible indwelling hose. The medicament delivery module is used for storing medicament and delivering medicament to the medicament delivery metal conduit. According to the infusion pump device, the product size can be reduced.

The utility model provides an exhaust type infusion apparatus which comprises an infusion tube, an injection needle, a flow speed regulator, a drip cup and a bottle stopper puncture needle, the injection needle, the flow speed regulator, the drip cup and the bottle stopper puncture needle are sequentially arranged on the infusion tube, a precise liquid medicine filter is arranged on the infusion tube close to one side of the drip cup, and an air hole is formed in the side face of the drip cup. A connecting pipe is arranged at the air hole, one end of the catheter is connected with the connecting pipe, the other end of the catheter is used for being connected with an air storage cavity or an exhaust end of the precise liquid medicine filter, and the liquid stopping clamp is arranged on the catheter. In actual use, the liquid medicine filter can solve the technical problems that in the prior art, a liquid medicine filter is prone to causing air gathering, the later filtering effect is poor, and infection risks exist due to the fact that tiny filtering holes existing in the breathable film are directly connected with the outside.

[Problem] The purpose of the present invention is to provide a portable anticancer agent container for preventing exposure and infection to the human body caused by chemical solution leakage that arises during a removal operation of a coupling connector at the time of system cleaning using a cleaning solution. [Solution] Provided is a pressurization-type drug injector having a drug exposure preventive function and having a system cleaning function, the pressurization-type drug injector comprising: a reservoir that has a chemical solution filling opening and a chemical solution discharging opening; a pressurization deformation means that undergoes pressurization and deformation by the injection of a chemical solution and that pushes out the chemical solution by a force caused by restoration of the pressurization and deformation; a flow rate control means that adjusts the flow rate of the chemical solution by resistance; a system cleaning port that includes a cleaning solution injection opening, a chemical solution filling opening, and a liquid discharging opening; and a case that contains therein said reservoir, said pressurization deformation means, and said system cleaning port. The case has openings respectively in the vicinity of the chemical solution filling opening, the system cleaning injection opening, and the chemical solution discharging opening. The chemical solution being filled is filled into the pressurization deformation means from the chemical solution filling opening of the reservoir, and moves from the chemical solution discharging opening of the reservoir to the exterior of the container via the flow rate control means. A cleaning solution is injected from the injection opening of the cleaning port arranged downstream from the flow rate control means, and moves to the exterior of the container. The pressurization-type drug injector having a drug exposure preventive function is characterized in that the periphery of the cleaning port is completely covered by a sterile seal, and thus, the cleaning port injection opening is kept clean until use.

A disposable fluid transfer and mixing device is disclosed and includes an injector support surface for receiving an injection device thereon. A lyophilized drug vial, a diluent vial and a syringe are also attached to the device. The device features fluid passageways and a manual valve that may be manipulated so that the syringe may be used to transfer diluent from the diluent vial to the lyophilized drug vial, for reconstitution of the drug. The valve may also be configured so that the reconstituted drug is transferred from the lyophilized drug vial to the injection device. An automated transfer and mixing device receives an injection device, a lyophilized drug vial and a diluent vial and transfers diluent from the diluent vial to the lyophilized drug vial and shakes or vibrates the lyophilized drug vial to reconstitute the drug. The device then transfers the reconstituted drug from the lyophilized drug vial to the injection device.

A method of preparing a giving set for administration of intravenous therapy to a patient, in a pharmacy. The method comprising steps of providing a filled IV bag (10) with an outlet port (12), connecting an IV line (20) to the outlet port, and connecting a gas trap device (30) to a distal end of the IV line. The trap device has a chamber (31) and a priming port (34) which is open. The method further includes squeezing the bag to force gas from the bag and through the line and out of the trap device. When liquid reaches the trap device (30) and substantially fills the chamber, the priming port is closed, thereby providing a pre-primed giving set comprising the bag, the line and the trap device filled with liquid. The actuator may have a roller which is forced in a direction towards the outlet port while the bag is constrained in a housing (51).

A system for managing air bubbles in fluid lines includes a pump, valves, a bubble chamber, sensors, and a controller unit. The pump pulls fluid from a reservoir, valves create a dual pressure network, and the bubble chamber captures air bubbles. Sensors measure physical properties and the controller unit receives input from these sensors to control system components.

A filter for use with a fluid infusion device is disclosed herein. In accordance with some embodiments, the present technology includes a system for delivering a fluid drug to a patient at an infusion site, the system comprising: a fluid conduit configured to deliver the fluid drug along at least a portion of a fluid path, the fluid path extends between a reservoir containing the fluid drug and a cannula inserted subcutaneously into a patient at an infusion site; and a filter disposed within the fluid conduit and configured to trap particles formed in the fluid drug, where the filter comprises a porous structure comprising glycerol.

To prevent an opening system from being generated during syringe exchange in a syringe adapter for transferring fluid on a medical site.SOLUTION: An exemplary syringe adapter for coupling with a syringe may include a housing. A needle-free connector may be disposed in the housing. A communication member may be in slidable engagement with the housing. The communication member may be slidable, with respect to the housing, between an unactuated state and an actuated state of the syringe adapter. A cannula may extend from the communication. In the unactuated state, the cannula may be retracted within the needle-free connector. In the actuated state, the cannula may protrude through and axially beyond the needle-free connector.SELECTED DRAWING: Figure 2

A gas trap device (100) has a chamber (102), an inlet port (103) to the chamber, an outlet conduit (110) from within the chamber to the outlet port. The chamber has a venting outlet (111), and a stopcock valve (101) is arranged to control opening and closing of the venting outlet and the outlet conduit. The stopcock valve has a barrel (150) and a handle (151), valving being controlled by rotation of the handle. The valve is at a 90° angle to an axial flow direction of the outlet port when the venting port is open. For venting the barrel is in registry with both a dedicated venting outlet (111) and the outlet conduit (110, 126) for comprehensive venting through two paths.

A device for delivering insulin or insulin analog formulations and measuring subcutaneous glucose concentrations may include a hollow tube and a current-type glucose sensor located proximal to the distal end of the hollow tube. The current-type glucose sensor may include a redox mediator and an enzyme comprising glucose oxidase or glucose dehydrogenase. Applying a bias potential allows the electrode layer of the current-type glucose sensor to remain substantially free from electropolymerization of the excipients of the insulin or insulin analog formulation during continuous operation of the current-type glucose sensor. The sensitivity of the current-type glucose sensor to subcutaneous glucose concentrations can be maintained in the presence of insulin or insulin analog formulations.

The micropore precision filter structurally comprises a lower cover, a liquid outlet pipe, a protruding block, an air outlet hole, an upper cover and a liquid inlet pipe, the liquid outlet pipe and the lower cover are of an integrated structure, the air outlet hole penetrates through the top of the protruding block, the liquid inlet pipe is communicated with the protruding block, and the protruding block and the upper cover are of an integrated structure; the lower cover comprises a communicating hole, a filter membrane supporting block and a partition plate, the communicating hole penetrates through the partition plate to be communicated with the liquid outlet pipe, the filter membrane supporting block is fixed to the outer surface of the partition plate and used for supporting a filter membrane, gas existing in the upper cover is exhausted through the gas outlet hole, and in the liquid conveying process, the inclination angle of the interior of the downward flowing channel and the inclination angle of the communicating hole are different. The liquid can be assisted in guiding and flowing in the specified direction by the aid of the through holes, the partition plates shield the space between the containing grids and the liquid outlet, a large amount of liquid is collected in the containing grids, and the liquid can only be uniformly and orderly conveyed through the through holes.

A method may comprise (a) inserting an insulin delivery device subcutaneously into a body of a subject, which comprises an amperometric glucose sensor comprising an electrode layer comprising an indicating electrode and underlying a redox-catalytic layer comprising a redox mediator; (b) using said insulin delivery device to deliver an insulin formulation (e.g., comprising a phenol or cresol excipient) subcutaneously to said subject; and (c) using said amperometric glucose sensor to measure a subcutaneous glucose concentration, which comprises using said redox-catalytic layer to allow electron transfer from subcutaneous glucose to said indicating electrode sufficient to cause a response of said amperometric glucose sensor at an applied bias potential of no more than +250 millivolts, wherein (b) and (c) are performed at the same time for at least one hour, while maintaining a sensor sensitivity of at least 50% of an initial sensor sensitivity for up to one hour.