73results about How to "Infusion Safety" patented technology

A system for moving particles suspended in a first fluid, and for infusing them into the stream of a second fluid, includes a catheter with a multi-lumen distal separator. The separator is formed with a plurality of parallel lumens, wherein each lumen has a predetermined diameter to reduce particle flocculation. An inflatable balloon, affixed to the outside of the catheter, can be provided to regulate flow of the second fluid and thereby facilitate entry of the particles into the stream of the second fluid. A reinforcing member is employed to strengthen the catheter wall under the inflatable balloon. With this arrangement, the catheter does not kink or collapse due to the pressure exerted on the catheter wall when the balloon is inflated. In one embodiment, the reinforcing member includes an annular shaped ring. In another embodiment, the separator is positioned under the balloon and acts as the reinforcing member.

A wireless sensor network based intelligent infusion system comprises more than two infusion devices; every infusion device is provided with a wireless intelligent speed measuring terminal; the output of a wireless hand wrist type physiological characteristic detector is in wireless connection with the wireless intelligent speed measuring terminals; the wireless connection between the wireless intelligent speed measuring terminals and a PC (Personal computer) is achieved through a wireless router; an antenna and a display screen are arranged outside every wireless intelligent speed measuring terminal; a temperature control heating plate, a processing module and a battery are arranged inside every wireless intelligent speed measuring terminal; the antennas and the display screens are connected with the processing modules; the infusion dripping speed is controlled by servo motors which are arranged on the infusion devices; the drip speed is measured through photoelectric speed measuring modules which are arranged on the infusion devices; the servo motors and the photoelectric speed measuring modules are connected with the processing modules; the batteries are used for providing power for the processing modules and the photoelectric speed measuring modules. According to the wireless sensor network based intelligent infusion system, the dripping speed can be automatically controlled, an alarm can be automatically given, and the remote control on the infusion is achieved.

The present invention provides a method for safely infusing a toxic fluid into a patient using a safety set, a connect set and a cyto admin set, the safety set comprising a first male locking connector having a proximal end and a distal end attached to a toxic fluid container, an interlocking slide having a proximal end and a distal end that is releasably attached to the proximal end of the first male locking connector, a needle shroud assembly containing a needle and having a proximal end and a distal end slidably attached to the proximal end of the interlocking slide, and a withdrawing syringe having a distal tip releasably attached to the proximal end of the needle shroud assembly, the connect set comprising a connect set line in fluid communication with an infusion bag, wherein the connect set includes a port for connection with the safety set such that the withdrawing syringe is in fluid communication with the infusion bag, the cyto admin set comprising one or more check valves for connection with the connect set such that the infusion bag is in fluid communication with the cyto admin set, the method comprising the steps of drawing the toxic fluid from the toxic fluid container into the withdrawing syringe, disconnecting the safety set from the toxic fluid container at a junction of the first male locking connector and the interlocking slide, pushing the interlocking slide into the needle shroud assembly such that a sharpened distal tip of the needle is positioned within a resilient septum carried by the interlocking slide, connecting a second male locking connector to the interlocking slide, connecting the second male locking connector to the connect set, dispensing the toxic fluid from the syringe into the infusion bag, withdrawing the needle to position its sharpened distal tip within the resilient septum, attaching the connect set to the cyto admin set and infusing the toxic fluid into the patient.

The invention discloses a micro motor infusion pump which comprises an infusion board assembly and a motor driving device. The infusion board assembly comprises one-way valves, elastic pump tubes, an air elimination diaphragm and an impedance probe which are integrated on an infusion substrate; the liquid inlet channel and the liquid outlet channel of the infusion substrate are respectively connected with an infusion bag and the air elimination diaphragm; both ends of the liquid inlet channel and the liquid outlet channels are connected with two parallel pump tubes, and are respectively provided with the on-way valves; the air elimination diaphragm is integrated on the substrate, the cavity of the diaphragm is provided with a hydrophilic air barrier film, and the bottom of the lower cavity thereof is provided with an air elimination hole with an exhaust diaphragm; the impedance probe is arranged at a liquid outlet; and the microcomputer part swings through a swinging extrusion head to alternatively press the elastic pump tubes, so as to output the liquid in one way. The micro motor infusion pump integrates the one-way valve double pump tubes, the air elimination diaphragm and an impedance sensor, has the function of eliminating the gas contained in the liquid in the pump, can realize air volume ultra-limit alarm and blocking alarm, and has the advantages of micro-power, low power consumption, small size and convenient carrying.

The present invention provides a method for safely infusing a toxic fluid into a patient comprising the steps of drawing toxic fluid from a toxic fluid container into a withdrawing syringe, disconnecting a safety set from the toxic fluid container at a junction of a first male locking connector and ar interlocking slide, pushing the interlocking slide into a needle shroud assembly such that a sharpened distal tip of the needle is positioned within a resilient septum carried by the interlocking slide, connecting a second male locking connector to the interlocking slide, connecting the second male locking connector to a connect set, dispensing the toxic fluid from the syringe into the infusion bag, withdrawing the needle to position its sharpened distal tip within the resilient septum, attaching the connect set to the cyto admin set and infusing the toxic fluid into the patient.

The invention provides a gradient pore diameter filtering membrane and a preparation method and application thereof. The gradient pore diameter filtering membrane is formed by electrostatic spinning of a high-molecular polymer material. The gradient pore diameter filtering membrane comprises a three-layer structure in close attachment. The outer-side two-layer structure has a pore diameter of 5-10 [mu]m and a thickness of 0.1-0.4 mm; the middle layer structure has a pore diameter of 0.5-5 [mu]m and a thickness of 0.3-0.6 mm, a hollow columnar liquid stopping filter membrane groove is installed between the lower end of a medicine liquid container and a transfusion hose, the inner diameter of the liquid stopping filter membrane groove is larger than that of the transfusion hose, the gradient pore diameter filtering membrane is installed in the liquid stopping filter membrane groove, and the cross section of the liquid stopping filter membrane groove is sealed completely. Flow of medicine liquid in an infusion apparatus is not affected, the medicine liquid can be timely terminated after the transfusion is over, and use safety and convenience of the automatic liquid stopping infusion apparatus are improved, so the whole transfusion process is safer and more convenient.

The invention discloses a disposable self-stopping infusion apparatus, comprising a plug puncture outfit protecting jacket, a plug puncture outfit, an air filtering membrane, an air plug, an upper hose, a dropper, an emulsion cap, a self-stopping device, an upper dripping bucket, a lower dripping bucket, a pressure ball, a lower hose, a flow regulator, a liquor filter and an intravenous infusion needle. The disposable self-stopping infusion apparatus is characterized in that the self-stopping device comprises a limit shaft sleeve and a float valve and is arranged in the dripping buckets, the float valve consists of a float cover, a float shaft and a soft sucker, the limit shaft sleeve is embedded in the upper end opening part of the cavity in the lower drip chamber, the float shaft passes through the center of the limit shaft sleeve to be tightly matched with an inner sleeve of the float cover, the upper part of the soft sucker is embedded in the hollow part at the bottom of the float shaft and is limited by the limit shaft sleeve, the float cover and the soft sucker are connected by the float shaft and move up and down in the inner cavities of the upper and lower dripping buckets, and in infusion process, when liquor does not exist in a medicine bottle, and the liquor in the dripping buckets is too little, the float valve can automatically close the hoses to prevent air from entering into the lower hose to cause blood backflow, so that the waste of the liquor is reduced, the workload of medical personnel is reduced, and medical disputes due to medical negligence can be avoided.

The invention discloses an infusion device, and relates to the field of medical apparatuses. The infusion device comprises a base, a supporting pillar and a chuck, a motor which is arranged at the bottom of the base, a controller which is arranged at the top of the base and a rotating shaft which is arranged in the supporting pillar and is movable, wherein the rotating shaft is driven via a gear by the motor; the chuck is arranged at the top of the rotating shaft and can rotate along with the rotating shaft; via the chuck, an infusion part, which is arranged in the chuck, can be clamped; via aneedle inserting and withdrawing device in coordination with the chuck and a liquid level measuring part, the infusion part can be replaced; the liquid level measuring part is used for detecting a liquid level of liquid in a Murphy dropper; the liquid level measuring part is used for transmitting an electrical signal to the controller when the liquid level of the liquid in the Murphy dropper is lower than a preset threshold; the controller, in accordance with the received electrical signal, is used for controlling the motor to drive the rotating shaft to rotate; and subsequently, the chuck isdriven to rotate via the rotating shaft, and the infusion part is replaced via the needle inserting and withdrawing device under control; therefore, infusion efficiency and safety are improved.

The invention discloses a self-adaptive portable constant pressure infusion apparatus which comprises a working air bag (8), a controlling system (6) and a flow velocity adjusting mechanism. An air inlet pipe is arranged on the working air bag (8) and is provided with a pressure sensor (3) and an air discharging valve (4). The controlling system (6) is electrically connected with the pressure sensor (3) and the air discharging valve (4) respectively. The flow velocity adjusting mechanism comprises a flow velocity sensor (5) and a flow adjusting valve, and the flow velocity sensor (5) and the flow adjusting valve are controlled by the controlling system (6). The working air bag (8) and an infusion bag are both placed in a cavity (7) with a fixed size, and the flow velocity sensor (5) and the flow adjusting valve are both arranged on an infusion tube of the infusion bag. The self-adaptive portable constant pressure infusion apparatus can achieve real-time monitoring of the infusion process, safely and effectively finish the infusion process, is low in manufacturing and using cost, and is suitable for being adopted widely.

The invention discloses a disposable self-limiting and self-stopping transfusion system, which comprises a bottle plug puncture unit protecting jacket, a bottle plug puncture unit, an air filtering membrane, an air plug, an upper flexible pipe, a dropping funnel cover, a latex cap, a self-limiting device, a self-stopping device, an upper dropping funnel, a lower dropping funnel, a pressurizing ball, a lower flexible pipe, a flow adjuster, a liquid medicine filter and an intravenous infusion needle, wherein the self-limiting device consists of the air plug, the air filtering membrane and an exhaust channel on the dropping funnel cover; the self-stopping device arranged inside the dropping funnel comprises a limiting shaft sleeve which is embedded into an opening section at the upper end of an inner cavity of the lower dropping funnel, and a liquid-stopping valve; the liquid-stopping valve consists of a floating cover, a floating shaft and a soft suction cup; the floating shaft is tightly matched with an inner sleeve of the floating cover through the centre of the limiting shaft sleeve; the upper part of the soft suction cup is embedded inside a concave part at the bottom of the floating shaft and limited by the limiting shaft sleeve; the floating cover and the soft suction cup are connected through the floating shaft and move up and down in the inner cavities of the upper dropping funnel and the lower dropping funnel. The transfusion system can quickly discharge liquid automatically, control the liquid level height inside the dropping funnel, and automatically discharge air in the dropping funnel after the bottle plug puncture unit is inserted into a large transfusion bottle plug; the liquid-stopping valve can automatically seal the pipeline to prevent the air from entering inside the lower flexible pipe to lead to blood return when no liquid medicine is in a medicine bottle or a little liquid medicine is in the dripping funnel in an infusion process.

The invention discloses a drip balance monitoring system comprising a pressure sensor arranged at the bottom of an infusion bottle for real-time monitoring of residual liquid pressure in the infusionbottle; a drip speed monitoring sensor arranged at a Murphy's dropper for real-time monitoring of the drip speed; a pulse rate monitoring sensor for real-time monitoring of the pulse rate of a patientsubjected to infusion; a body temperature monitoring sensor for real-time monitoring of the body temperature of the patient subjected to the infusion; an automatic infusion adjusting device installedon an infusion tube for adjusting the drip speed of the infusion tube; a processor for determining whether the residual liquid weight in the infusion bottle reaches the set residual liquid weight according to the information monitored by the sensor and determining whether the current drip speed is safe and capable of controlling the automatic infusion adjusting device to adjust the drip speed; anearly warning terminal for receiving the information sent by the processor and issuing early warning when the residual liquid weight in the infusion bottle reaches the set residual liquid weight andwhen the drip speed is not safe.

The invention discloses an intravenous infusion warning device, which comprises a shell, a support plate and a hook, wherein the shell comprises a shell panel and a main shell body, and the shell panel is connected with the main shell body through screws; a weight sensor, a circuit board and a horn are arranged in the inner part of the main shell body; a display unit, an indicating unit, an operating button and a liquid medicine weight setting button are arranged on the shell panel and are connected with the circuit board; the support plate is connected with the weight sensor, the weight sensor is connected with the hook, and the weight sensor and the horn are connected with the circuit board; an amplifying circuit, an analog-digital conversion circuit and a controller are arranged on the circuit board, and the weight sensor is connected with the amplifying circuit; and the amplifying circuit and the analog-digital conversion circuit are sequentially connected with the controller. The intravenous infusion warning device can measure the weight change of an infusion bottle (bag), provides the weight of liquid in the infusion bottle (bag) in time, and brings convenience for working of medical care personnel, the working efficiency is increased, and the infusion process is safer.

The present invention pertains in general to an apparatus and method for the infusing, agitation and dispensation of oils in a controlled manner to produce a desired potency of an infusion while remaining below an identified maximum temperature threshold.

The invention relates to a novel exhaust-free infusion set, which comprises a bottle plug puncture outfit, a dropper, a liquid medicine filter and a venous infusion needle. The bottle plug puncture outfit, the dropper, the liquid medicine filter and the venous infusion needle are connected in series by infusion catheters. A flow regulator is mounted on the outside of the infusion catheter between the dropper and the liquid medicine, a liquid guide two-way joint is arranged on the lower portion of the dropper, the upper portion of the liquid guide two-way joint extends into the dropper, the outer wall of the lower portion of the liquid guide two-way joint is fixed with a lower orifice of the dropper in an adhering manner, the lower end of the liquid guide two-way joint extends out of the dropper to be communicated with the infusion catheter below the dropper, an exhaust and guide slot communicated with the center through hole of the liquid guide two-way joint are axially arranged on the upper portion of the liquid guide two-way joint, and a cap is arranged at the upper end of the liquid guide two-way joint. Air-bearing liquid medicine in the infusion catheters can be avoided, and air bubble exhausting during infusion can be avoided. By the novel exhaust-free infusion set which is reasonable in structure, convenient in use and operation, time-saving and labor-saving and perfect, labor intensity of medical staff is reduced, nursing time is saved and safety in infusion is higher.

The invention discloses a safe infusion device with an alarm, and belongs to the field of infusion devices. The safe infusion device comprises a vertical rod, a base is fixedly connected to the lowerend of the vertical rod, a host computer and a buzzer are fixedly connected to the vertical rod, the host computer and the buzzer are electrically connected, pressure regulating buttons and a single-chip microcomputer are installed on the host computer, and the pressure regulating buttons and the single-chip microcomputer are all electrically connected to the host computer. Through the safe infusion device with the alarm, infusion canisters can be uniform in specification, and the alarm precision is improved; meanwhile, when an infusion canister moves upwards, a speed governing frame is drivenby the infusion canister to move upwards, the infusion flow velocity of an infusion tube is reduced under the effect of a speed governing plate, an infusion flow velocity increase caused by infusioncanister rise is effectively offset, and thus the infusion flow velocity is stabilized; a pressure regulating device is controlled through the buttons on the host computer when a nurse regulates the speed before infusion, accordingly the attractive force of an electromagnet is controlled, infusion flow velocity regulation is facilitated, the infusion speed is stable, untoward effects are effectively avoided, a body is prevented from being damaged, and the infusion is safe.

The invention discloses a normovolemic dilution autoblood collection and reinfusion system and a normovolemic dilution autoblood collection and reinfusion device. The system is composed of a pipeline system, a dynamic system, a monitoring and alarming system, a blood-storage system and a computer control platform. When the system works, autoblood evenly blended with anticoagulation is stored in a blood-storage bag, at the same time diluent is infused in a blood vessel, and thus the purposes of blood sampling and hemodilution are achieved; when needed, the stored autoblood is infused back to a patient, and thus the purpose of reducing loss of hemoglobin is achieved. The system is controlled and operated by a computer, the monitoring and alarming system is arranged in the system, and thus safe operation is guaranteed. The dynamic system in the system can be controlled independently to conduct liquid infusion, and a pressure monitoring device can supply pressure data. The normovolemic dilution autoblood collection and reinfusion device is divided into a main engine and a control panel and is composed of a pump component, a mentoring component, a pipeline control card component, a control panel and a table. By means of the normovolemic dilution autoblood collection and reinfusion system and the normovolemic dilution autoblood collection and reinfusion device, normovolemic dilution autoblood collection and reinfusion can be performed automatically and safely, the workload of doctors is reduced, efficiency is improved, risk is avoided, and further the normovolemic dilution autoblood collection and reinfusion system and the normovolemic dilution autoblood collection and reinfusion device can be used as a infusion control platform and for pressure monitoring.

The invention discloses a pediatric infusion nursing device, which includes an infusion stand, an emergency box and a fixed hand board. A guardrail is arranged under the infusion stand, and an iron ring is welded on the left side of the infusion stand. The guardrail is fixed above the bed board. The bed board is rotatably connected with the head of the bed and the tail of the bed through arc-shaped guide rails, and the head of the bed and the tail of the bed are respectively installed at the left and right ends of the bed board. An iron ring is welded and fixed on the left side of the rod, and a trash can is arranged above the iron ring. A lifting device is installed under the screw. The emergency box is fixedly connected with the bed board through screws, and the emergency box is arranged under the bed board. It is arranged above the bed board, and the left and right sides of the fixed hand board are respectively provided with infusion heaters and elastic ropes. The invention is simple in structure, convenient to use, more humanized, and can satisfy children of different ages for infusion.

The invention relates to the medical equipment technical field, and discloses an intraosseous infusion device used for fast building a liquid recovery channel in emergency rescue; the intraosseous infusion device comprises a sleeve having a handle; the top of the sleeve is a pedestal; a combined infusion needle, formed by sleeving a puncture needle core with a hollow infusion needle, is contained in a cavity of the sleeve; a rotary spring is arranged in the sleeve; one end of the rotary spring is fixed on the pedestal, and the other end is fixed on a limit connector connecting with the upper portion of the tail of the puncture needle core; a slide way connected with the cavity of the sleeve is arranged in the handle, and clamped with a limit part; when the rotary spring is rotated and compacted, the limit part can clamp the limit connector through the slide way. The conventional impacting needle insertion mode is replaced by a rotary ejection mode, so the impact energy on a puncture position is small, and fracture can hardly happen; the head of the intraosseous infusion device is preset with threads, thus preventing infusion needle puncture position seepage and infusion needle slipping phenomenon.

The invention relates to a transfusion suspension rod and a transfusion sky-rail system. The transfusion suspension rod comprises a driving module, a controller, a telescopic module and a measurementmodule, wherein the telescopic module comprises a telescopic rod, and a plurality of hangers are arranged on the telescopic rod, are used for hanging a transfusion bottle or a transfusion bag and canrotate along the telescopic rod; and the driving module is used for the telescopic module to finish a stretching / shrinking function under the control of the controller, the measurement module is arranged on the telescopic module and is sued for measuring the flow speed of liquid in the transfusion pipe, and the controller is used for adjusting the heights of the hangers according to the flow speedso as to realize the adjustment of the flow speed. According to the transfusion suspension rod and the transfusion sky-rail system, a lots of drawbacks in the prior art can be effectively avoided; and the transfusion suspension rod and the transfusion sky-rail system are compact in structure, have an automatic lifting function and a draining speed monitoring function, and the draining speed can be automatically adjusted.

The present invention pertains in general to an apparatus and method for the infusing, agitation and dispensation of oils in a controlled manner to produce a desired potency of an infusion while remaining below an identified maximum temperature threshold.

The invention discloses a disposable automatic liquid stopping infusion set which comprises a bottle stopper puncture device protecting sleeve, a bottle stopper puncture device, an air filtering film, an air plug, an upper soft pipe, a drip bucket cover, a latex cap, an upper drip bucket, an automatic liquid stopping device, a lower drip bucket, a lower soft pipe, a flow adjuster, a medicine liquid filter and an intravenous infusion needle. The disposable automatic liquid stopping infusion set is characterized in that the automatic liquid stopping device comprises a floater with a liquid inlet hole and an air discharging hole and a water stopping film piece, the water stopping film piece comprises a frame and a middle thin layer, the water stopping film piece is embedded into the bottom of the floater, the automatic liquid stopping device is arranged in the lower drip bucket, and the automatic liquid stopping device can be filled with medicine liquid and then float. When a small amount of medicine liquid exists in the drip bucket during an infusion process of the automatic liquid stopping device, a liquid outlet of the lower drip bucket is automatically sealed, accordingly, air is prevented from entering the lower soft pipe so that the problem that workload of nursing personnel is increased due to the fact that air enters the lower soft pipe can be avoided, and medical accidents caused by the fact that air enters into the body of a patient can be avoided.

The invention discloses a disposable automatic liquid stopping infusion set which comprises a bottle stopper puncture device protecting sleeve, a bottle stopper puncture device, an air filtering film, an air plug, an upper soft pipe, a drip bucket cover, a latex cap, an upper drip bucket, an automatic liquid stopping valve, a lower drip bucket, a lower soft pipe, a flow adjuster, a medicine liquid filter and an intravenous infusion needle. The disposable automatic liquid stopping infusion set is characterized in that the automatic liquid stopping valve comprises a through hole floater and a water stopping film piece, the water stopping film piece comprises a frame and a middle thin layer, the water stopping film piece is embedded into the bottom of the through hole floater, the automatic liquid stopping valve is arranged in the lower drip bucket, and the automatic liquid stopping valve can be filled with medicine liquid and then float. When a small amount of medicine liquid exists in the drip bucket during an infusion process, a liquid outlet of the lower drip bucket is automatically sealed, air is prevented from entering the lower soft pipe so that the problem that workload is increased due to the fact that air enters the lower soft pipe can be avoided, and medical disputes caused by medical accidents can be avoided.

The invention relates to a transfusion device, in particular to a stopping alarming device which is used during liquid medicine and blood transfusion and can perform sensing and exhaust air timely, and belongs to the technical field of medical instruments. The alarming device comprises a transfusion soft tube, a drip tube and a puncture needle, wherein the puncture needle is arranged on the upper part of the drip tube, a liquid outlet is formed on the lower part of the drip tube, the puncture needle is used for being connected with a transfusion bottle, the liquid outlet is connected with the transfusion soft tube, a safety valve is arranged in the drip tube, and the inner diameter of the safety valve is smaller than that of the drip tube; a connector is arranged at the joint of the transfusion soft tube and the liquid outlet, and the connector is used for being communicated and connected with the transfusion soft tube and the liquid outlet; and an air inlet which can control opening and closing is formed on the connector. By the stopping alarming device used during liquid medicine and blood transfusion, blood return can be prevented, a liquid medicine can also be transfused totally, and waste can be avoided; and therefore, the stopping alarming device has the significance to transfusion of expensive liquid medicines such as antitumor medicines.

The invention relates to a multifunctional intelligent infusion pump. The infusion pump comprises a controller, a peristaltic pump, an infusion assembly, a pipe assembly and a sucking pump; the infusion assembly is provided with a shell, the shell is internally provided with a driving piece, a compression roller and a plate, the plate is vertically arranged, the compression roller is arranged on the driving piece, and the compression roller is parallel to the plate; the pipe assembly comprises a liquid storage bag, a liquid inlet pipe, an exhaust pipe and a liquid outlet pipe; the liquid storage bag is positioned between the plate and the compression roller and is fixed on the plate; a liquid inlet pipe passes through the peristaltic pump and is connected with an external infusion bag, andthe sucking pump is communicated with the exhaust pipe. The multifunctional intelligent infusion pump can realize bolus of medicine infusion in short time to meet the requirement of pulse injection thrombolytic therapy, but also can be converted into continuous injection mode to meet the needs of daily infusion.

The invention discloses an infusion control valve. The infusion control valve comprises a cylindrical flow limiting tube sleeve and a cylindrical adjusting tube and is characterized in that a flow control plate is fixed in the section direction inside the middle section of the flow limiting tube sleeve, the flow control plate is provided with a plurality of infusion holes, the adjusting tube is nested into the flow limiting tube sleeve, a rotary handle is arranged on the lateral wall of the adjusting tube, a flow adjusting groove for accommodating the rotary handle is arranged in the flow limiting tube sleeve, the adjusting tube can rotate by using the cylindrical center of the flow limiting tube sleeve as the axis, the radial direction of the adjusting tube is provided with a flow adjusting plate, the flow adjusting plate is provided with a plurality of liquid inlets, and two ends of the flow limiting tube sleeve are provided with connectors for being connected with an infusion tube.The infusion control valve is capable of accurately controlling infusion flow speed and guaranteeing flow speed stability.

A method for infusing a liquid into a patient's vasculature in accordance with an infusion protocol is disclosed. For this method, an infusion catheter having a multi-lumen infusion unit that is mounted adjacent the catheter's distal end is positioned in an artery within a predetermined distance from an intended target tissue surface. An inflation balloon is then deployed to at least partially occlude the artery and a force is exerted on the liquid to establish a flow rate for the liquid in the catheter. Specifically, the force is exerted to infuse the liquid from the catheter through the infusion unit and into the vasculature with a homogeneous distribution of the liquid to cover the intended surface of the target tissue. The flow rate can be established in accordance with an infusion protocol that is characterized by time and liquid volume parameters based on viscosity and pressure values in the liquid.

The invention provides a novel infusion seat. The novel infusion seat comprises a seat; a small table plate assembly is arranged at one side of the seat; a pedal device is arranged at the lower end ofthe small table plate assembly; the pedal device is arranged in a slide rail at the lower end of the seat; a headrest device is arranged at the front end of the pedal device; a hanging rod device isarranged at the other side of the seat through an adjusting assembly; the upper end of the hanging rod device is connected with a bottle hanging device comprising an alarm assembly through a spring; athreaded rod is arranged at the upper end of the bottle hanging device; an infusion heating device is also arranged at one side of the hanging rod device; a hand pillow is arranged at one side of theinfusion heating device. According to the novel infusion seat provided by the invention, an alarm device reminds infusion personnel and medical personnel for timely treatment.

The invention provides a magnetic resonance compatible infusion system based on a Faraday cage. The magnetic resonance compatible infusion system based on a Faraday cage is used for carrying out infusion in a magnetic resonance strong magnetic field environment, and includes a support module, a Faraday cage shielding module, and an infusion and injection module, wherein the support module is usedto support the Faraday cage shielding module and the infusion and injection module; the Faraday cage shielding module is used for shielding the electromagnetic interference between a magnetic resonance apparatus and the infusion and injection module in the magnetic resonance strong magnetic field environment; the infusion and injection module comprises an infusion and injection tube, an infusion pump and a syringe pump; the materials of the support module includes a non-magnetic material; and the materials of the Faraday cage shielding module includes a non-magnetic metal material. The magnetic resonance compatible infusion system based on a Faraday cage isolates the infusion system from the magnetic resonance strong magnetic field environment by using the Faraday cage shielding module ofthe non-magnetic metal material and the support module of the non-magnetic material, so as to prevent the electromagnetic interference between the infusion and injection module and the magnetic resonance apparatus, and finally, a patient can perform the infusion operation while performing nuclear magnetic scanning under the magnetic resonance strong magnetic field environment.

The invention provides a dressing for infusion fixation, and belongs to the technical field of medical equipment, aiming at solving the technical problem of a dressing of the prior art which fails to effectively fix an extension tube part. According to the scheme, the dressing for infusion fixation comprises a thin-film layer which can be attached to the surface of skin so as to fix a remaining needle of an infusion apparatus; and the dressing is characterized by further comprising a fixing structure which is arranged on the surface, back from the skin, of the thin-film layer and is capable of fixing the extension tube which is connected to the remaining needle. The dressing disclosed by the invention has the advantages of being good in infusion equipment fixing effect and low in the slipping rate of the infusion equipment.

A method for infusing a liquid into a patient's vasculature in accordance with an infusion protocol is disclosed. For this method, an infusion catheter having a multi-lumen infusion unit that is mounted adjacent the catheter's distal end is positioned in an artery within a predetermined distance from an intended target tissue surface. An inflation balloon is then deployed to at least partially occlude the artery and a force is exerted on the liquid to establish a flow rate for the liquid in the catheter. Specifically, the force is exerted to infuse the liquid from the catheter through the infusion unit and into the vasculature with a homogeneous distribution of the liquid to cover the intended surface of the target tissue. The flow rate can be established in accordance with an infusion protocol that is characterized by time and liquid volume parameters based on viscosity and pressure values in the liquid.