26 results about "Infusion technique" patented technology

The invention discloses a multi-cavity micro-fluidic chip level instant-preparation infusion device, and belongs to the technical field of medical infusion. The micro-fluidic chip comprises a micro-fluidic chip main body, a driving assembly, a temperature control assembly and a connecting assembly, a cover plate of the micro-fluidic chip main body is hermetically attached to a chip substrate, the chip substrate is provided with independent liquid storage chambers, a micro-mixing flow channel and a liquid outlet chamber, each liquid storage chamber is communicated with the micro-mixing flow channel through the micro-flow channel, and the top of each liquid storage chamber is provided with a liquid inlet interface and a sealing plug; a micropump of the driving assembly provides driving force for the liquid storage chamber, and the control module regulates and controls the micropump and the control valve; a heating piece of the temperature control assembly is attached to the top of the chip substrate, and a temperature sensor is embedded into the chip substrate and is close to the liquid storage chamber; a liquid outlet connector of the connecting assembly is arranged on the cover plate, communicated with the liquid outlet cavity and used for being in butt joint with an external liquid conveying pipeline. Accurate proportioning, instant mixing and sterile infusion of multi-component medicine are achieved, and the infusion device is small in size, easy and convenient to operate and suitable for clinical first aid, precise medical treatment and other scenes.

The utility model discloses a pediatric infusion arm sleeve, which relates to the technical field of pediatric infusion, and comprises a placing seat, a fixing plate is detachably mounted in the top surface of the placing seat, a positioning groove is formed in the top surface of the placing seat, and the acupuncture position of the arm of a child is fixed on the fixing plate through glue. Positioning of the fixing plate is completed through the positioning groove formed in the top face of the containing base, fixing of the fixing plate in the positioning groove is completed under the cooperation of the fixing pieces installed on the two sides of the fixing plate and the corresponding positioning assemblies, and after the fixing plate is installed and fixed in the containing base, closed fixing of the protective sleeve on the containing base is completed. The protection sleeve is matched with the fixing plate to complete protection of the needle inserting position of the arm of the child, and the situation that the needle inserting position of the arm of the child is collided, a needle head falls off, and swelling and swelling are caused is avoided; the needle inserting position of the arm of the child is prevented from being collided through cooperation of a ventilation groove, a groove body, a through groove and a first ventilation hole and a second ventilation hole formed in the surface of the protection sleeve; and the air permeability of the arm fixing part when the child wears the device and the wearing comfort are improved.

This invention discloses an infusion control device, relating to the field of infusion technology. The device includes a controller body for controlling the infusion flow through an infusion tube. The controller body has a display screen, and a slot is formed on one side of the controller body. A C-shaped mounting cylinder is fitted inside the slot, and the infusion tube passes through the C-shaped mounting cylinder. During use, the infusion control device of this invention, through the cooperation of a flow rate control component, a drive component, an adjustment component, and a transmission component, can flexibly adjust the flow rate of the liquid inside the infusion tube and heat the liquid to different degrees to achieve a more comfortable infusion effect. Furthermore, when heating the liquid inside the infusion tube, it can adaptively offset the influence of temperature changes on the infusion trend according to the actual heating state, reducing deviations in flow rate control and facilitating stable infusion use.

The utility model discloses an infusion flow control valve, relates to the technical field of medical infusion, and aims to solve the problems that an infusion tube with a fixed diameter can only be adjusted by the same control valve, when infusion tubes of different models need to be used, the models are not matched, and a worker needs to take the control valve with the matched model again. If the number of the control valves is not enough, the infusion progress of the patient can be affected. The clamping device comprises a shell, a clamping piece and an adjusting piece, the adjusting piece comprises a one-way ball screw rotationally connected to the inner side wall of the shell, the periphery of the outer side of the one-way ball screw is sleeved with an adjusting sleeve block, a rotating block is arranged on the outer side wall of the shell, and the end, away from the one-way ball screw, of the adjusting sleeve block is connected with a resistance round block; a connecting block is connected to the center of the side, away from the adjusting sleeve block, of the resistance round block, control valves capable of being matched with infusion tubes of different models are formed, and workers can replace the infusion tubes of different models conveniently.

The utility model relates to an infusion structure with a timing function. The infusion structure comprises a positioning disc, a conical intubation tube is installed at the upper end of the positioning disc, a liquid drainage rubber tube is arranged at the bottom end of the conical intubation tube, the side wall of the liquid drainage rubber tube is connected with a ventilation tube, a timing plug is arranged at the upper end of the ventilation tube, and the bottom end of the ventilation tube penetrates through the positioning disc. The utility model relates to the technical field of medical infusion. According to the infusion structure with the timing function, through the arrangement of the floating air cavity, when the liquid level in the liquid medicine dropping bottle descends to the upper pipe opening of the ventilation pipe, liquid medicine cannot generate buoyancy on the floating air cavity, at the moment, the gravity rod moves downwards under the action of gravity, the floating air cavity makes contact with the upper pipe opening, and the purpose of blocking the ventilation pipe is achieved; at the moment, air cannot enter the liquid medicine dropping bottle, the liquid medicine in the liquid discharging rubber pipe cannot continue to flow, and then the situation that blood flows back is avoided.

The present application relates to the technical fields of deep vein catheterization infusion, in particular to a constant temperature control speed device for deep vein catheterization infusion, comprising an infusion catheter head and an infusion tube, one side of the infusion catheter head is fixedly connected with one end of the infusion tube. The present application sets a piston frame structure with spiral flow guide grooves inside the infusion tube, changes the fluid dynamics behavior of traditional plunger type propulsion, when the piston frame reciprocates, the liquid medicine forms spiral jet flow under the guidance of the spiral flow guide grooves, forced fluid generates circumferential rotation, effectively destroys the stationary state of the pipe wall boundary layer, converts the axial thrust into rotational shear force, not only reduces the flow resistance, but also eliminates the stagnant zone at the front end of the piston, realizes uniform delivery of the whole cross section, makes the liquid medicine always maintain a dynamic mixing state during the pushing process, avoids density stratification and sedimentation, especially suitable for the infusion of fat emulsion, amino acid and other easily separated nutrient solutions, greatly improves the stability of the infusion.

The utility model discloses a multifunctional infusion pillow, which belongs to the technical field of intravenous infusion, and comprises a plurality of pillow pads, a pillow body and a support plate, two ends of each pillow pad are respectively provided with a secondary magic tape and a first primary magic tape, the upper end face of the pillow body is provided with two second primary magic tapes, and the outer side of the pillow body is provided with a support silica gel body. A rectangular groove is formed in the upper portion of the supporting silica gel body, a waterproof heat conduction layer, an anti-radiation layer, a heating wire layer, a warm-keeping insulating layer and a temperature sensor are sequentially arranged in the rectangular groove from top to bottom, the heating wire layer can make a patient feel comfortable through heating, blood vessel filling can be further facilitated, the supporting silica gel body and the pillow body have the same softness, and therefore the patient can feel comfortable. The multi-pillow-cushion blood sampling and puncturing device has the advantages that the multi-pillow-cushion blood sampling and puncturing device can better adapt to the hands of patients, the multi-pillow-cushion can be quickly and conveniently replaced under the action of the son hook-and-loop fasteners, the first mother hook-and-loop fasteners and the second mother hook-and-loop fasteners, cross infection of the patients is avoided, and blood sampling and puncturing efficiency is improved.

The invention relates to the technical field of infusion, and particularly discloses an operating room infusion nursing device which comprises a supporting frame, a placing plate and a hanging frame, the supporting frame is provided with the placing plate, the placing plate is provided with the hanging frame, the hanging frame is used for hanging an infusion bottle, the placing plate is used for placing the infusion bottle, the infusion bottle is connected with an infusion tube, and the infusion tube is sleeved with a heater. The detection assembly is connected to the placement plate and connected with the infusion tube, and the detection assembly is used for monitoring whether bubbles are generated or not in the infusion heating process, so that gas in an infusion bottle can be treated in time, and the situation that the gas is input into the body of a patient through the infusion tube, and consequently the blood vessel of the patient is blocked is prevented.

The utility model discloses an intelligent infusion device, which relates to the technical field of intelligent infusion, and comprises an infusion module and a control module, the infusion module comprises a multi-way valve, an electronic flowmeter, a motor flow speed regulator, an air filter and an intravenous injection needle, the multi-way valve, the electronic flow meter, the motor flow speed regulator, the air filter and the intravenous injection needle are sequentially connected through the injection hose, the infusion bottles are detachably installed at the input end of the multi-way valve, the electronic flow meter is fixedly installed at the output end of the multi-way valve, the motor flow speed regulator is fixedly installed on the injection hose, and the air filter is fixedly installed on the motor flow speed regulator. According to the intelligent infusion device, infusion can be conducted on multiple medicine bottles at the same time, intelligent control is achieved, the labor intensity of medical workers is reduced, and infusion accuracy is improved.

The utility model relates to the technical field of venous transfusion, in particular to a venous transfusion management device which comprises a base and a heating device, a rod body is arranged on the surface of the base, a hanging rod is arranged on the surface of the rod body, the heating device is arranged on the surface of the rod body, and the heating device comprises a mounting rod which is fixedly connected with the rod body. A round sleeve is fixedly connected to one side of the mounting rod, a water injection opening is formed in the surface of the round sleeve, a supporting plate is fixedly connected to one side of the rod body, a storage battery is fixedly connected to the surface of the supporting plate, an electric wire is fixedly connected to one side of the storage battery, a heating rod is fixedly connected to one side of the round sleeve, and the side, away from the storage battery, of the electric wire is fixedly connected with the heating rod. And by arranging the heating device, the liquid medicine can be conveniently heated, the comfort degree is improved, a user can be conveniently treated, the usability of the equipment is improved, and operation is convenient.

The invention discloses an infusion port and a puncture auxiliary device thereof, and relates to the technical field of clinical infusion, the infusion port comprises a port body, and further comprises a silica gel diaphragm fixedly mounted in the port body; the infusion part and the port body are connected into a whole, the whole is called as an infusion port, the infusion part comprises a titanium cavity formed in the port body, and the port body is provided with a guide pipe made of flexible thin plastic materials through a connecting assembly. The infusion port has the advantages that when the infusion port is used for infusion, compression resistance buffering can be conducted on the joint of the port body and the catheter, the influence of port body compression on catheter connection is reduced, meanwhile, the distance between the port body and the catheter can be automatically adjusted according to the body growth condition of a patient, and the probability that the catheter displaces due to tissue growth is reduced; the stability of connection between the port body and the conduit is improved; according to the infusion port puncture auxiliary device, puncture operation can be carried out in a sterilization environment, the infection probability is reduced, in addition, the catheter insertion speed is more stable and uniform, and the probability of damage to the inner wall of a vein is reduced.

The invention relates to the technical field of infusion, in particular to an infusion device for elderly disease nursing, which comprises a moving assembly, the moving assembly comprises a fixed seat, a first gear is rotatably mounted in the fixed seat, and three groups of first racks are meshed on the first gear; the medical nursing device has the advantages that a medical worker rotates the fixing seat, the fixing seat is in threaded connection with a lifting sleeve through a threaded groove in the fixing seat, and therefore a connecting rod and a first gear are separated from the fixing seat along with the lifting sleeve; the whole moving assembly is separated from the whole lifting assembly, so that the infusion support can be flexibly adjusted according to different use scenes of elderly patients sitting on wheelchairs and convenient infusion of the elderly patients, and the problems that most traditional infusion supports are of a fixed integrated structure and are difficult to adapt to various complex scene requirements, and the infusion support is inconvenient to use are solved. The normal movement of the infusion support in the infusion process and the use effect of the infusion support are influenced.

The invention discloses an electrolyte infusion device for treating calf diarrhea, and belongs to the technical field of calf infusion, the electrolyte infusion device for treating calf diarrhea comprises a fixing device for fixing a calf, the side end of the fixing device is further provided with a shaving mechanism, and the shaving mechanism is used for shaving off hair at the infusion position of the calf; an injection device is further arranged at the position, close to the neck fixing position of the calf, of the fixing device and comprises a bottle body, an infusion tube is connected to the lower end of the bottle body, and an injection needle is arranged at the front end of the infusion tube; the injection needle comprises a needle tube, the periphery of the needle tube is wrapped with a dilator, and the dilator has the capacity of dilating towards the two sides; the outer walls of the two sides of the front end of the dilator are provided with a plurality of sharp thorns which are evenly arranged, the sharp thorns are obliquely arranged, and the tip ends of the sharp thorns face the injection direction all the time. Elastic pieces are connected to the middles of the two sides of the dilator. The calf infusion device can fix a calf, and the infusion device can be inserted into a vessel more conveniently and quickly.

The application relates to an automatic following type medical infusion system and method, and relates to the technical field of medical infusion. The system comprises a binding strength module, a tracking accuracy module, a path planning module, a speed control module and an obstacle avoidance decision module. The binding strength module is used for obtaining dynamically updated binding strength of a patient and an infusion device; the tracking accuracy module is used for obtaining tracking accuracy of the patient after being calibrated by the binding strength; the path planning module is used for obtaining an optimal path of the infusion device movement; the speed control module is used for obtaining a current speed of the infusion device subjected to adaptive control according to feedback values of the optimal path and the tracking accuracy; the obstacle avoidance decision module is used for obtaining a threat degree of an obstacle according to the current speed and obstacle scanning data of a three-dimensional laser radar, and determining an obstacle avoidance decision value of the infusion device based on the threat; and the automatic following module is used for obtaining a motion control amount of the infusion device according to a cooperative feedback of the optimal path, the current speed and the obstacle avoidance decision value of the infusion device. The system can realize accurate automatic following of the infusion device to the patient for infusion.

The invention relates to the technical field of high-pressure radiography infusion, in particular to a self-pressing high-safety remaining needle fixing adhesive tape which comprises an adhesive layer used for being attached to the skin surface and limiting a puncture needle to the puncture position. The pipe patch part is arranged on one side of the adhesive layer, after the side wing part is pressed, gel or water is pressed into the air film interlayer through air pressure, at the moment, the attaching part can bulge under the pressure, and the wrinkle area on the PU film can help medical staff to position a needle opening imbedding point in the using process; in addition, when the attaching part is bulged under pressure, a movable distance can be provided for the attaching part, the attaching part can be tightly attached to the position of a needle inserting opening, pressure for hemostasis can be provided, and when the internal air pressure is too large and the adhesive layer is tightly attached to the skin, the attaching part can be bulged through the wrinkled area, so that the adhesive layer can be tightly attached to the skin through the wrinkled area. And redundant pressure is released, so that the adhesion completeness is ensured.

The invention relates to the technical field of infusion, and discloses a special infusion device for a blood filter, which comprises an infusion rod, an expansion positioning mechanism, a support moving mechanism, a medical supply storage box and an infusion pipeline storage mechanism, the top of the infusion rod is provided with a fixed pipe through a thread, and the top of the fixed pipe is rotatably connected with a shaft ring; infusion bottle hooks are fixedly distributed on the side portion of the shaft ring, the supporting and moving mechanism is arranged at the bottom of the infusion rod, and the expanding and positioning mechanism is distributed at the position, close to the lower end, of the outer portion of the infusion rod in a sleeving mode and extends towards the two sides to be clamped and installed on a supporting frame of the blood filter. The medical supply storage box is fixedly arranged near the upper end of the exterior of the infusion rod in a penetrating manner, and the infusion pipeline storage mechanism is mounted at the side end of the medical supply storage box. The device can be flexibly adjusted and stably clamped to a supporting frame of the blood filter, the device can be conveniently and stably supported on the ground to be moved and adjusted, treatment supplies in a short time can be conveniently, safely and orderly stored, and orderly storage of infusion pipelines is achieved.

The utility model discloses an improved infusion apparatus, which relates to the technical field of infusion and comprises an infusion tube and a reinforcing mechanism, an infusion needle is arranged at one end of the infusion tube, a heparin cap is arranged at one end of the infusion needle, the reinforcing mechanism comprises a fixing tube sleeved on the outer wall of the heparin cap in a threaded manner, and a hard connecting tube is arranged between the infusion tube and the infusion needle. A plurality of annular clamping grooves are formed in the outer wall of the hard connecting pipe, a plurality of extrusion balls are arranged between the annular clamping grooves and the inner wall of the fixing pipe, and an extrusion mechanism is arranged on the outer wall of the fixing pipe. By means of the arrangement of the hard connecting pipe, the annular clamping grooves and the fixing pipe, when an infusion needle head is inserted into the heparin cap, the hard connecting pipe can be inserted into the fixing pipe, then under the cooperation of the extrusion mechanism, the extrusion balls are extruded by the extrusion mechanism and clamped in the corresponding annular clamping grooves, and the hard connecting pipe can be positioned in the fixing pipe; the situation that an infusion tube is not prone to being separated from the heparin cap in the infusion process is avoided, and therefore the infusion stability is improved.

The invention relates to a wearable painless needle belt and a microfluidic infusion method thereof, and belongs to the technical field of infusion, the wearable painless needle belt comprises an elastic fixing mechanism and a medicine injection mechanism, and the medicine injection mechanism comprises a protective shell and a medicine pushing assembly slidably arranged in the protective shell; the medicine pushing assembly is provided with a needle core piston, a first powerful magnetic plate and a deflation pipe, the protective shell is provided with an injection container matched with the needle core piston, a pressure relief device and a second powerful magnetic plate, and the output end of the injection container is communicated with a painless needle set used for puncturing the skin. The micro-fluidic infusion method comprises the steps of system initialization, flow parameter setting, exhausting, wearing and puncturing, magnetic drive control infusion and recovery and sterilization, and by establishing a relational expression between the movement speed v of a needle core piston and the opening and closing cross section area Av of a pipe valve, the flow speed of medicine is accurately controlled, and personalized and accurate medicine administration is achieved.

The utility model discloses a portable infusion vest, which relates to the technical field of auxiliary infusion, and comprises a vest, the bottoms of the left and right ends of the vest are fixedly connected with limiting buckles I, the left and right positions of the bottom of the rear end of the vest are fixedly connected with limiting buckles II, and the left and right positions of the rear part of the vest are provided with hole channels; the included angle formed between the two hole channels is 90 degrees, and the left portion and the right portion of the rear end of the vest are fixedly connected with fixing mechanisms. According to the portable infusion vest, the elastic belt is driven to slide on the inner wall of the first limiting buckle and the inner wall of the second limiting buckle by pulling the elastic bellyband, the infusion rod is fastened through the elastic belt and prevented from shaking too much, when the portable infusion vest is suitable for the waistline of a patient, pulling of the elastic bellyband can be stopped, and the infusion rod is prevented from shaking too much. And then the elastic bellybands are adhered through the magic tapes, so that the vest is more suitable for the user, and the effect of being suitable for patients with different waistlines is achieved.

The invention discloses a liquid leakage prevention training model for simulating a marrow cavity infusion technology, and belongs to the technical field of medical teaching equipment, and the training model comprises a skeleton model, a limiter, a self-repairing sealing medium, a liquid collection suite, an infusion suite, a matching seat, a deformable tubular structure, a drilling device and a drill bit. The bone marrow cavity is formed in the skeleton model, the self-repairing sealing medium is arranged in the bone marrow cavity, and the self-repairing sealing medium has viscidity and self-repairing capacity and can automatically close a needle hole after puncture, and the liquid leakage prevention function is achieved. And the deformable tubular structure is arranged in the marrow cavity, clings to the inner wall of the bionic skeleton layer and is easily punctured by a puncture needle. The limiting device is used for controlling the drilling depth, so that the drill bit drills through the bone but does not drill through the deformable tubular structure. By adopting the self-repairing liquid leakage prevention system, the problem of liquid leakage generated in the repeated puncture process of an existing training model is solved, the training service life of the model is prolonged, the maintenance cost is reduced, and a more stable and reliable training environment is provided for medical students and medical staff.

The utility model relates to an infusion apparatus and infusion equipment, and relates to the technical field of medical infusion. The infusion apparatus comprises an infusion connector and a shifting rod assembly. The infusion connector is used for being inserted into an infusion bottle and leading out liquid in the infusion bottle. The deflector rod assembly is hinged to one end, away from the infusion bottle, of the infusion connector; the deflector rod assembly is divided into an abutting part and a deflector rod part through a hinge point, the abutting part can abut against the infusion bottle, the length of the abutting part is L1, the length of the deflector rod part is L2, and L1 is smaller than or equal to L2. According to the infusion apparatus, when the infusion connector is pulled out, force can be applied in an auxiliary mode through the shifting rod assembly, when an operator pulls out the infusion connector outwards through force application, the abutting part can abut against an infusion bottle, the infusion connector is pushed outwards, and therefore the infusion connector is pulled out through resultant force, more labor is saved for the operator, and operation is easy.

The invention relates to the technical field of infusion, and discloses infusion equipment capable of preventing a child from playing and alarming to cause needle falling, which comprises a mounting base, a limiting part arranged on one side of the top of the mounting base, and a placing part arranged at one end, far away from the limiting part, of the top of the mounting base. According to the infusion equipment capable of preventing the child from playing and falling the needle, the arm of a patient is limited on the first placement plate, so that the movement range of the arm of the child is effectively limited, the child is prevented from grabbing and pulling the infusion needle or an infusion tube, the risk of falling the needle is remarkably reduced, the smooth infusion process is guaranteed, and the problems of infusion interruption, swelling, pain and the like caused by falling the needle are solved; meanwhile, the second placing plate can be driven to be adjusted and moved by rotating the threaded rod, flexible adjustment can be carried out according to the length of the forearm of the child patient, and unnecessary constraint or discomfort cannot be caused to the child while the fixing effect is ensured.

The invention discloses nursing and first-aid integrated multifunctional infusion equipment for patients in an emergency department, belongs to the technical field of first-aid infusion, and aims to solve the problems that the nursing and first-aid infusion equipment in the emergency department is mostly of a single-channel structural design, independent infusion of single liquid medicine is realized, and the infusion efficiency is low. Multiple requirements of conventional treatment medicine infusion, nutrition supplement and supply and first-aid medicine administration under sudden illness conditions of emergency patients are not easy to meet at the same time, in the actual emergency treatment process, medical staff need to frequently replace infusion pipelines or switch infusion equipment according to the illness conditions of the patients, the operation process is tedious, consumed time is long, and the operation cost is low. The device comprises a movable frame, three paths of liquid medicine can be conveyed in a mutually isolated mode, puncture is conducted through a single needle, incompatibility caused by mixing of in-vitro liquid medicine is avoided fundamentally, pain of a patient caused by multiple times of puncture is relieved, and the device has the advantages of being simple in structure, convenient to use and high in practicability. And multiple requirements of emergency treatment, nutrition supply and first-aid administration are synchronously met.

The utility model provides an infusion heater, and relates to the technical field of surgical infusion. A lifting hook is mounted at the top of the main body, a telescopic pipe is fixedly connected to the bottom of the lifting hook, and the bottom of the telescopic pipe of the lifting hook is fixedly connected to the top of the main body; a hook is fixedly connected to the top end of the interior of the main body, guide rods are symmetrically and fixedly connected to the interior of the main body, and a heat preservation pipe is fixedly connected to the bottom of the main body; a sliding groove is formed in the rear side of the main body, and a movable block is slidably connected into the sliding groove. The device is suspended through a lifting hook at the top of a main body, then a clamping spring pushes a clamping plate to move, and an infusion bag is simply limited, so that the infusion bag is in better contact with an electric heating plate to heat liquid medicine, and the problem that when part of the liquid medicine is heated in the prior art, physical heating modes such as quick heating paste are used for heating the liquid medicine, and the heating efficiency is high is solved. And the mode is one-time heating and cannot last for a long time.

The utility model discloses a kind of bone marrow cavity infusion technology training models, belong to medical teaching equipment technical field, it includes skeleton model, silica gel layer, bone marrow puncture suite, infusion suite and liquid collection suite;On the basis of existing model technology, add infusion suite and liquid collection suite, so that bone marrow cavity infusion technology training model has the whole process realistic simulation training function including drop speed control and observation fluid replacement condition.

The invention relates to an automatic following type medical infusion system and method, and relates to the technical field of medical infusion, and the system comprises a binding strength module which is used for obtaining the dynamically updated binding strength of a patient and infusion equipment; the tracking precision module is used for obtaining the tracking precision of the patient subjected to binding strength calibration; the path planning module is used for obtaining an optimal moving path of the infusion equipment; the speed control module is used for obtaining the current speed of the self-adaptively controlled infusion equipment according to the optimal path and the feedback value of the tracking precision; the obstacle avoidance decision module is used for obtaining the threat degree of the obstacle according to the current speed and the obstacle scanning data of the three-dimensional laser radar, and determining an obstacle avoidance decision value of the infusion equipment based on the threat; and the automatic following module is used for obtaining the motion control quantity of the infusion equipment according to the optimal path of the infusion equipment, the current speed and the cooperative feedback of the obstacle avoidance decision value. By means of the system, infusion equipment can accurately and automatically follow a patient to conduct infusion.