81 results about "Intravenous Bag Dosing Unit" patented technology

An apparatus for monitoring the drip rate of an infusion fluid being administered by an intravenous infusion set comprising a housing, drop sensor, alarm and processor. The housing is attachable to a drip chamber, and the drop sensor is positioned in the housing to detect drops of the infusion fluid being administered by the intravenous infusion set. The processor determines a first amount of time required for the drop sensor to detect a first set of drops of infusion fluid having a predetermined number of drops, determines a second amount of time required for the drop sensor to detect a second set of drops of infusion fluid having the predetermined number of drops, compares the second amount of time to a range of time having a minimum that is less than the first amount of time and a maximum that is greater than the first amount of time, and activates the alarm if the second period of time is not within the range of time.

The invention belongs to the field of clinical medicine, in particular relates to a simple, convenient and efficient device and method for extracting platelet-rich plasma. The extracted platelet-rich plasma contains various composite growth factors capable of effectively promoting the tissue repair. The device provided by the invention comprises an injector, a venous infusion apparatus connecting tube, a venous indwelling needle plastic card and a venous infusion apparatus needle head, wherein the injector is used for extracting venous blood and is used as a centrifugal tube; the venous infusion apparatus needle head is connected with the outlet of the injector through the venous infusion apparatus connecting tube, and the venous infusion apparatus needle head is used for carrying out skin blood vessel puncture, extracting anticoagulants and activators and injecting the extracted platelet-rich plasma to the required part of a human body; and the venous infusion apparatus connecting tube can be deviously fixed in the venous indwelling needle plastic card.

The invention provides a multi-bottle automatic continuous penetrating venous infusion apparatus which comprises a cork puncture outfit (1), an air filter (2), a hose (3), an observation window (4), a flow regulator (5) and an injection needle (6) of the present venous infusion apparatus, and is characterized in that: the parts containing a switch float valve cavity (7) and a circuit switch cavity (8) are additionally arranged in a venous infusion pipeline, and a solenoid valve (24) and an alarm (25) are mounted in parallel in a circuit related to the circuit switch cavity (8). The multi-bottle automatic continuous penetrating venous infusion apparatus can be used for realizing the automatic continuous penetration for multi-bottle liquid medicines without manual switching and automatically cutting off the venous infusion pipeline while alarming when the infusion of the liquid medicine in the tail bottle is ended. By using the multi-bottle automatic continuous penetrating venous infusion apparatus, the working strength of nursing personnel is greatly relieved, the nursing load of an infusion patient or nursing personnel is reduced, the generation of unforeseen circumstances is reduced, and the market developing value is higher.

The invention discloses an automatic exhaust medicinal intravenous infusion set, which comprises a liquid inlet assembly, a dropping funnel, a liquid outlet assembly and a disposable intravenous injection needle which are connected in turn. A dropping funnel cover covers an opening of the dropping funnel in a sealing mode and a dropping tube and a liquid medicine injection part are arranged on the dropping funnel cover; and an automatic exhaust assembly is integrally arranged on the side wall of the dropping funnel and comprises a vent hole, a hole cover and a ventilated filtering membrane, wherein the vent hole is integrally molded with the side wall of the dropping funnel; the hole cover comprises a cap capable of opening and closing; and the ventilated filtering membrane is positioned between the hole cover and the contact surface of the vent hole and does not exhaust liquid but air. By ingeniously adopting a structure of integrally arranging the automatic exhaust assembly on the side wall of the dropping tube, the automatic exhaust medicinal intravenous infusion set has the advantages of effectively guaranteeing that the dropping funnel cover has the sealing performance of the conventional common intravenous injector, reducing the operating difficulty of medical care personnel, greatly reducing the probability of existing and accumulating air bubbles in an inner cavity of the dropping funnel, efficiently and reliably exhausting the air bubbles in the dropping funnel completely, fully guaranteeing the safety and reliability for infusion, along with simple structure, easy manufacture and high practicality.

The invention discloses a medical intravenous infusion set, which comprises a liquid inlet component, a dropping hopper, a liquid outlet component and a disposable intravenous injection needle connected in turn, wherein the upper opening of the dropping hopper is covered by a dropping hopper cover in a sealing way; the dropping hopper cover is provided with a dropper extending into the dropping hopper and a liquid medicine injection piece used for adding a liquid medicine; the dropping hopper is a cavity with upper and lower opening at two ends; and the lower opening is covered by a bottom cover with a liquid outlet in a sealing way. The dropping hopper is skillfully designed to have a cavity structure with the upper and lower openings, and the lower opening of the dropping hopper is provided with the bottom cover with the liquid outlet in a sealing way, so the manufacturing and processing of dual cavities between pipe walls are facilitated, and a permeable filtering membrane which is permeable and airtight is convenient to place; therefore, the sealing performance of the membrane body is ensured, the manufacturing is easy, and the production efficiency is improved. The medical intravenous infusion set has the advantages of simple structure, strong practicability, low production cost and the like.

The invention provides a venous infusion apparatus, which comprises bottle plug puncture outfits for an existing venous infusion apparatus, an air filter, an observation window, a flow adjustor and a syringe needle. The venous infusion apparatus is characterized in that during continuous and automatic infusion of multiple bottles of liquid medicine, a check valve or a switch floating valve is additionally mounted on a liquid outlet port of the bottle plug puncture outfit of each bottle of liquid medicine, and a circuit switch device is additionally mounted at the rear of the switch floating valve of the last bottle of liquid medicine. A circuit connected with the circuit switch device is parallelly connected with an electromagnetic valve and an alarm. Automatic and continuous infusion of the multiple bottles of liquid medicine is realized, the multiple bottles of liquid medicine do not need to be changed manually, when infusion of the last bottle of liquid medicine is finished, an infusion pipeline is cut off automatically, simultaneously, the venous infusion apparatus makes an alarming sound, so that work intensity of nursing staffs is greatly reduced, burden of infusion patientsor accompany members thereof is also reduced, and accidents are decreased. Accordingly, the venous infusion apparatus has a high market development value.

The invention relates to a multifunctional venous infusion apparatus, which comprises a multi-bottle automatic connection portion, an automatic exhausting and defoaming portion and an automatic alarming portion, wherein a headstand-free and automatic infusion stopping portion is arranged between the multi-bottle automatic connection portion and the automatic exhausting and defoaming portion additionally; the headstand-free and automatic infusion stopping portion comprises an observation window and a second biswitch float valve; a cavity of the second biswitch float valve communicates with the observation window; an air filter core and a valve switch are arranged at an outlet at top end of the second biswitch float valve, and the outlet at lower end of the second biswitch float valve is connected with a flow regulator; a biswitch float body is installed in the cavity of the second biswitch float valve; the upper end and the lower end of the biswitch float body are provided with one sealing piece, respectively; an inlet of the observation window is connected with the outlet of the biswitch float valve in the multi-bottle automatic connection portion. Through the adoption of the multifunctional venous infusion apparatus, the operation of nursing staff to invert the observation window of the infusion apparatus is cancelled; the air and bubble are automatically removed; multiple bottles of medicinal liquids are automatically connected; and the medicinal liquid is stopped to alarm after infusion. Therefore, the workload of the nursing staff is alleviated, and the working quality and efficiency are improved.

A safety box for use with an intravenous infusion set is disclosed to include a box body having a locating groove located on each of the front and rear sides thereof for receiving the flexible tube of the intravenous infusion set and a retaining hole located on one lateral side thereof, and a box cover hinged to the box body and having a hook block with two hooked portions selectively engageable into the retaining hole of the box body to temporarily or permanently lock the box cover to the box body.

The invention discloses a venous transfusion device with a driving plate type flow regulation device. The venous transfusion device comprises a transfusion plug, an intake tube, a Murphy's drip cup, an infusion tube, the driving plate type flow regulation device, a filter and a venous infusion needle, and is characterized in that the driving plate type flow regulation device is arranged between the Murphy's drip cup and the filter; the driving plate type flow regulation device comprises an upper cover, a seal ring, a lower cover and a driving plate; the driving plate is located between the upper cover and the lower cover; a cylinder at the lower part of the driving plate is inserted in a blind hole of the lower cover; the driving plate can rotate around a center shaft of the cylinder, so as to change the superposed area between a crescent-shaped through hole slot in the middle of the driving plate and an upper cover hole. The venous transfusion device can regulate transfusion flow and is accurate in regulation, simple in structure, and convenient to operate.

A drug administration port of infusion set and catheter needle set, including: a drug administration socket having a drug through hole, a free end of the drug administration socket being formed with a seat defining an opening communicating with the drug through hole; a plastic plug for blocking the opening of the seat; and a connecting member connected with the free end of the drug administration socket. The connecting member has a tapered hole axially positioned on the upper face of the plastic plug. A small diameter end of the tapered hole faces the plastic plug. A threaded section is formed on an opposing end of the connecting member. An upper face of the plastic plug is cut with a split axially corresponding to the position of the tapered hole. The split serves to communicate with the drug through hole.

The invention relates to a composite negative pressure conduction type self-cutoff device of a disposable venous infusion apparatus. The composite negative pressure conduction type self-cutoff device is arranged between the lower liquid outlet of a Murphy's tube and a lower infusion guide tube of the disposable infusion apparatus. After the infusion is completed, the cutoff is automatically carried out, meanwhile, the pressure changing information is generated and conducted, and a negative pressure conduction three-way port arranged on an outer casing of the negative pressure conduction device is reserved with an interface for the outside acousto-optic alarming and outputs information. The composite negative pressure conduction type self-cutoff device has the advantages that the change of the structure of the original infusion apparatus is little, cost is low, and industrialized production is easily realized; and the working habit of medical staff is not changed, popularization and application are convenient, the working efficiency of nurses is effectively improved, and the pain of patients is reduced.

The invention relates to a multifunctional venous infusion set which is capable of performing sequential infusion with liquid medicine in a plurality of bottles, automatically exhausting and removing bubbles, avoiding the operation that a nurse inverts an infusion set inspection window, and automatically stopping infusing to alarm after infusion ends. The multifunctional venous infusion set comprises a multi-bottle sequential infusion part, an invert-free after-infusion stopping part, an automatic exhausting and bubble removing part and an automatic alarming part; the multi-bottle sequential infusion part comprises a fixing frame and two to four floating valves, wherein the two to four floating valves are placed on the fixing frame from high to low in sequence; a cork puncture outfit is communicated with an inlet in the upper part of each floating valve; an outlet in the lower part of each floating valve is communicated and then is connected to the inlet in the upper part of an inspection window in the invert-free after-infusion stopping part; and a sealing component is arranged at the upper end of a floating body of each floating valve in each floating valve chamber body. By adopting the multifunctional venous infusion set, the nursing quality can be improved, the trust of a patient in the nurse can be improved, the unforeseen circumstances can be avoided, and the infusion automation and intelligence levels can be raised.

The invention provides a dual-valve purification vein infusion device provided with a filtering elastic valve and an elastic buoyant valve. An upper infusion tube is arranged on the outer upper end of the outer housing of a drip cup, a puncture needle is arranged on the upper end of the upper infusion tube, an elastic valve cylinder connected to an elastic valve base is arranged in the outer housing of the drip cup, a dripping tube observing infusion speed is arranged on the inner upper end of the elastic valve cylinder, the elastic valve base is arranged on the upper middle portion of the elastic valve cylinder, an elastic valve liquid inlet hole is formed in the middle part of the elastic valve base, and a cone gear-shaped elastic valve is arranged on the lower end of the elastic valve liquid inlet hole. The elastic valve base, a cross base and the elastic valve cylinder are cast integrally to form an elastic filtering and purification combination, the elastic filtering and purification combination is fixedly arranged in the drip cup and fixed integrally with the drip cup, and a lower infusion tube is arranged on the lower end of the drip cup. When the vein infusion device is used, a seal film is uncovered, and a scalp intravenous needle is connected to and arranged on the inner end of an infusion connector with screw threads, so that infusion is achieved.

The invention provides a tee-joint negative pressure conduction device for a novel disposable automatic cut-off vein infusion set. The tee-joint negative pressure conduction device is installed between a Murphy pipe and a lower infusion pipe of the infusion set. In the process of infusion, the tee-joint negative pressure conduction device has the functions of relatively separating a tee-joint longitudinal pipe from a tee-joint transversal pipe to prevent liquid medicine in the infusion pipe from being polluted by air through contaction and enabling the tee-joint longitudinal pipe to be relatively communicated with the tee-joint transversal pipe to convert the pressure of the internal liquid medicine into the air pressure. The tee-joint transversal pipe can be connected with an external system so that the negative pressure inside the vein infusion set can be further utilized. The tee-joint negative pressure conduction device is simple in structure, reasonable in design, high in manufacturability and assembling production efficiency, low in manufacturing cost and stable and reliable in working effect.

Disclosed is an automatic monitoring system for intravenous infusion. Intravenous infusion is a widely adopted medical method, namely blood, medicine and nutrient are directly infused into the vein of a patient. In many intravenous infusion processes, medical accidents are caused by flow speed of liquid, infusion time, the experience of medical staff and the like, the loss of the patient is caused, and even the life of the patient is threatened. The digital and intelligent automatic monitoring system for intravenous infusion comprises an intravenous infusion instrument, a pressure sensor, a signal amplifier, an analog-digital converter, a Bluetooth adapter, and a mobile terminal supporting the Android system. The automatic monitoring system for intravenous infusion adopts an advanced intelligent tablet computer system to monitor and record the whole process of intravenous infusion, not only is high in sensitivity and simple to assemble, but also achieves economic benefits, and has the advantages of cyclic utilization and environment protection.

The invention relates to a packaged transfusion system for a portable air-pressure belt. The packaged transfusion system comprises a disposable gravity-type intravenous infusion device composed of a liquid storage bag, and the like. The packaged transfusion system for the portable air-pressure belt is characterized in that the liquid storage bag is packed in the portable air-pressure belt and the portable air-pressure belt is provided with a waist fastening tape for fixing the liquid storage bag on the waist of human body and a wrist strap for fixing an infusion tube of the disposable gravity-type intravenous infusion device on the wrist; the portable air-pressure belt is composed of an air-pressure belt body, an inflatable bag arranged on one side in the air-pressure belt body, an inflatable ball with an adjusting valve connected with the inflatable bag, and a nylon bonding hook strip and a nylon bonding velvet strip arranged on the air-pressure belt body. The packaged transfusion system for the portable air-pressure belt has the advantages that the packaged transfusion system is excellently matched with a disposable infusion device; the structure is simple and light; the packaged transfusion system is reusable; the operation of observing the back flowing of blood is saved; the infusion process is safe and reliable; and the moveable infusion can be realized by using the packaged transfusion system.

The invention relates to a hospital ward integration network type visible probe monitoring vein infusion apparatus, in particular to an integration network type visible probe monitoring vein infusion apparatus device used in a hospital ward. The hospital ward integration network type visible probe monitoring vein infusion apparatus is provided with a visible probe, a visible probe data line and an electromagnetic stop valve cable which are respectively arranged in the middle of an infusion support, wherein an infusion basket is hung on a hook at the top of the infusion support, a liquid drip cup, an infusion regulating valve, an electromagnetic stop valve and an infusion needle head are respectively arranged on an infusion tube, the electromagnetic stop valve cable is connected onto the electromagnetic stop valve, a main screen displayer displays liquid status images of a plurality of infusion unit display screens, and a visible probe controller controls the liquid status images of the plurality of the infusion unit display screens. The hospital ward integration network type visible probe monitoring vein infusion apparatus has the advantages of being simple in structure, in an integration network type structure, and convenient to operate, monitoring clearly, controlling the plurality of the infusion unit display screens in a plurality of wards, combining photovoltaic and acoustic images and warning into a whole, reducing the number of supervisory persons, and being widely used in devices with integration network type visible probes monitoring vein infusion in the hospital ward.

The invention relates to an intravenous infusion device alarm device. The device comprises a light emitting module, a light receiving module, a control module and an alarm module, and the light emitting module is used for emitting an optical signal which is transmitted to the light receiving module after the signal passes through an intravenous infusion device; the light receiving module is used for receiving the optical signal from the light emitting module, and generating a pulse signal according to the optical signal; the control module records the relevant information of the pulse signal to satisfy a first condition or a second condition, and the control module transmits an alarm signal to the alarm module; the alarm module sends an alarm message according to the alarm signal. The intravenous infusion device alarm device has simple structure and principle, high precision, low cost and convenient loading and unloading, belongs to non-contact measurement, and does not contaminate drugs.

The invention discloses a negative-pressure intravenous infusion set which can increase the success rate for first puncture and reduces the pain of patients caused by repeated punctures. The infusion set comprises a transfusion tube (3), and a negative-pressure device is arranged on the section of the transfusion tube (3) from a pulley switch to a filter; the negative-pressure device comprises a housing (1), the top face of which is open, and round holes allowing the transfusion tube threading through are formed on the two sides of the housing (1); a leaf spring (4) is arranged on the inner bottom surface of the housing, an extrusion body (8) is arranged in the housing (1), and the extrusion body (8) is connected with the housing (1) through a hinge (7). The invention solves the problems of blind puncture and repetitive failure of puncture exisiting in clinic practice ever since a long time ago.

The invention discloses a purifying intravenous infusion set with elastic double valves and elastic rubber film control. It is provided with an upper infusion tube on the upper end of the outer casing of the drip pot, and a puncture needle is arranged on the upper end of the upper infusion tube. There is an elastic valve cylinder inside the shell, and the inner and upper end of the elastic valve cylinder is provided with a drop control tube for observing the dripping speed of the infusion, the upper middle part of the elastic valve cylinder is provided with an elastic valve seat, and the lower end of the elastic valve seat is provided with a conical gear-shaped elastic spring. Valve, the lower part of the elastic valve cylinder is provided with an upper cross base, the upper cross base is provided with a middle film cross, and the lower end of the middle film cross is provided with a lower film cross, the elastic valve seat, the upper, middle and lower film crosses are combined with the elastic valve cylinder to form an elastic Filtration and purification combination, the lower end of the drip pot is provided with a lower infusion tube, the lower end of the lower infusion tube is provided with an infusion connector, and the lower end of the infusion tube connector is provided with a scalp vein needle. The invention has simple structure, ingenious design, and low processing and production costs , It is safe to use and the effect is obvious.

The invention relates to a novel disposable venous transfusion double-direction positive pressure and negative pressure cut-off negative pressure conducting device. A double-direction negative pressure flow stopping device, a negative pressure conducting tee joint and a one-way pressure check valve are arranged between the lower section of a Murphy's tube and a lower infusion duct of disposable infusion apparatus, so that the infusion apparatus can be cut off automatically after completion of infusion or in the process of infusion, and backflow blood return can be prevented in any state. Meanwhile, pressure change information is generated and conducted. The negative pressure conducting tee joint on the device is used for reserving a port for external acoustic alarm and outputting information. According to the negative pressure conducting device, original infusion apparatus is improved little, cost is low, industrial production can be realized easily, the working habits of medical workers are not changed, and popularization and application are convenient. Moreover, the negative pressure conducting device can effectively improve the working efficiency of nurses and reduce patient pain.