CN101332328B

CN101332328B - Medical infusion device

Info

Publication number: CN101332328B
Application number: CN2007100288714A
Authority: CN
Inventors: 尕明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-28
Filing date: 2007-06-28
Publication date: 2011-06-15
Anticipated expiration: 2027-06-28
Also published as: CN101332328A

Abstract

The invention relates to a medical transfusion device which comprises a transfer pump, an infusion bag, a burette, a flow trimmer. The invention is characterized in that the interior of the transfusion device is provided with an infusion heater, an infusion flow trimmer and an annunciator. A sensing probe in the annunciator, an electroheat earthenware pipe in the heater and the flow trimmer are sequentially connected on murphy's dropper in series. The annunciator is connected with the sensitive probe which is arranged on the murphy's dropper through a lead. The trimmer is divided into two parts of an upper part and a lower part and trims the infusion flow through a worm matching with whirling motion and the change of positions. The transfusion device has novel structure and integrates infusion minim control, infusion pump pressure, minim injection, infusion warming, and infusion safe alarm, has high performance margin. When transfusion is needed, a hanging insulator does not need to be hung on an infusion support and can be put on a table for safe transfusion. The transfusion device is convenient in use and simple in operation, and simultaneously does not need circumscribed 220V power supply. The transfusion device of the invention is simple in manufacturing technique, is low in cost, is easy to form the manufacture of production lines and has wide market prospect.

Description

A kind of medical infusion device

Technical field

The present invention relates to a kind of medical infusion device, particularly a kind of multifunctional comprehensive medical infusion device is to the innovation of medical infusion apparatus in the past, belongs to medical apparatus and instruments articles for use technical field.

Background technology

Along with popularizing and the raising of medical level of health care, also more and more to the demand of medical infusion apparatus, the employed transfusion apparatus of hospital is also varied.The infusion pump in medical application (as home-made MR-508 infusion pump and HX-801A multifunctional transfusion pump) that for example present large hospital uses, its in fact pump function seldom, only play the effect of trace control transfusion, still infusion bottle (bag) to be hung on the drip stand during transfusion, by improving the pressure dropping liquid that highly produces, volume is bigger, use has inconvenience more, and this class infusion pump is owing to using the more electronic component and the structure of mechanical fitting to make its job security limited, install, debug complexity, and need external 220 volts of power supplys keep normal work.The electronic microsyringe (as MR-301) that also has a kind of hospital to use, its function singleness, volume are big, external 220V power supply.Above-mentioned two class medical infusion apparatuses, though play better transfusion effect, its cost is big, price is high, and has to establish transfusion added temperature function and warning function, so just make patient especially the critical patient when cold day, infuse relatively painfully and dangerous, on ambulance, use inconvenient.

Summary of the invention

The invention provides a kind of medical infusion device, it is provided with transfusion microadjuster, alarm and ceramic heater in device, integrate the control of transfusion trace, transfusion pump pressure, infuse and heat, infuse security alarm and micro-injection, thereby reach easy to use, safe infusion, dependable performance, cost is low, the purpose that is easy to promote.

Technical scheme of the present invention:

A kind of medical infusion device, comprise infusion pump, transfusion bag, dropper, flow regulator, wherein dropper is connected with transfusion bag, it is characterized in that in infusion set, being provided with infusion heating device, infusion flow micro actuator and alarm, probe in the alarm, the earthenware in the heater, flow micro actuator are serially connected on the Murphy type burette successively, and probe is connected with alarm by lead.

Described flow micro actuator is cylindrical tube, is provided with circular channel in cylinder, and micro actuator divides two sections, and two sections are connected to form an integral body by screw thread.In micro actuator epimere cylinder, be provided with cavity, in the middle of cavity, be provided with the protrusion tubular cylinder, be provided with female thread at cavity inner wall, be provided with external screw thread in micro actuator hypomere cylindrical outer wall, the centre has the fluted column position, epimere protrudes cylindrical external diameter and the corresponding cooperation of hypomere fluted column position diameter, and epimere cavity inner wall screw thread matches with external screw thread on the hypomere outer wall.

In flow micro actuator hypomere cylinder, be respectively equipped with four passages, four passages intersect with the passage that is located at cylinder central authorities, at above-mentioned four interchannels four subchannels are set respectively also, subchannel one end and channel connection, the other end communicates with the fluted column position, by the cooperation turn of hypomere internal and external threads on the micro actuator, thereby infusion flow is regulated in the variation that drives epimere dome cylinder position in hypomere fluted column position.

Described heater comprises electric ceramic pipe and variable resistance, variable resistance is connected with earthenware by lead, the electric ceramic pipe is connected on the Murphy type burette and is fixed on the upper position of micro actuator, change the size of current of importing in the earthenware by regulating variable-resistance resistance, thus the temperature of control transfusion.

Described alarm comprises probe, buzzer, switch, Control Room, and the probe that will be located on the Murphy type burette by lead is connected with buzzer, switch and Control Room.

Described infusion pump comprises the pump housing, transfusion bag, rubber band hook, fastening steel ring, air gauge and tube for transfusion outlet, transfusion bag places the pump housing, tighten with rubber band, fastening steel ring is held in the pump housing outside, with plan safety, air gauge and suction nozzle are located at pump housing top, and the tube for transfusion outlet of the pump housing is connected with Murphy type burette.

Four passages of described micro actuator also can be only cross with one or 2 or 3 passages and central passage, and subchannel also can cross with one or 2 or 3 subchannels and central passage.

Probe in the described alarm is the pick off of light sensation device or metal contact.

Described infusion pump can replace with medical double-plastic infusion pump.

Advantage of the present invention:

The product relevant with present transfusion compared, and the advantage of this product is:

1, novel structure, safe and reliable, operating safety factor height, and when transfusion infusion bottle (bag) do not need to be hung on the drip stand, but put on the table with regard to safe infusion, easy to use, simple to operate;

2, this product integrates transfusion trace control, transfusion pump pressure, micro-injection, transfusion and adds gentle transfusion security alarm, but simultaneously also split be used in combination;

3, do not need external 220V power supply, only need low-tension supply or battery just can resolve safely the transfusion problem, and can and hang under the condition of drip stand the control of implement security trace and infuse at no any power source;

4, under field condition or on ambulance, use easily, even if automobile bumpiness also can be guaranteed safe infusion and accurately report to the police;

5, production technology is simple, cost is low, easily forms streamline production, can guarantee the domestic and international market needs.

6, for having the comprehensive full property regeneration product of Related product now.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a micro actuator cut-away view of the present invention;

Fig. 3 is a micro actuator side view of the present invention;

Fig. 4 is hypomere exploded view on the micro actuator of the present invention;

Fig. 5 is a micro actuator hypomere part axonometric chart of the present invention;

Fig. 6 is one of infusion pump structure chart of the present invention;

Fig. 7 is two of infusion pump structure chart of the present invention;

Fig. 8 is the fastening steel ring structure figure of the present invention;

Fig. 9 is medical double-plastic infusion pump structural representation.

The specific embodiment

Shown in Fig. 1～9, in Fig. 1, the present invention includes infusion pump, transfusion bag, dropper, heater and alarm, suction nozzle 17, air gauge 18, rubber band hook 19 and tube for transfusion outlet 21 are set in the pump housing of infusion pump 15, Murphy type burette 10-1 is enclosed within the tube for transfusion outlet 21, be serially connected with alarm probe 13, electric ceramic pipe 12 and flow micro actuator 11 successively at the middle part of Murphy type burette, probe 13 is connected by lead E alarm.

As seen from Figure 1, in the cavity of infusion pump 15, put into transfusion bag 20, be fixed by elastic hook 19, and Murphy type burette 10-1 is put into 21 (as shown in Figure 7) of tube for transfusion outlet of infusion pump with rubber band, then fastening steel ring 16 is held in the outside of infusion pump, with plan safety.During transfusion, connect the electric ceramic pipe 12 in infusion alarm probe 13 and infusion flow micro actuator 11 and the heater.Give inflation in the infusion pump 15 by suction nozzle 17, allow air gauge 18 produce certain reading, keep in the infusion pump 15 certain pressure being arranged, uniform air pressure makes the liquid in the transfusion bag 20 pump tube for transfusion outlet 21 in the infusion pump, liquid is by the Murphy type burette 10-1 probe 13 and electric ceramic pipe 12 and infusion flow micro actuator 11 of flowing through then, liquid is heated and finely tunes the back and flows into Murphy type burette 10 with the flow velocity that mixes up and the temperature of being fit in said process, import among the patient body then.

In Fig. 1, alarm is connected with probe 13 on being enclosed within dropper by lead, when liquid during by dropper 10-1, and K switch ₁Be normally off, K switch ₂Be normally open, this moment, buzzer M did not work (not piping), and Control Room H is a normal condition; When transfusion finishes, liquid level low normal line 14 be probe 13 work, (R ₁Load resistance for probe) K switch ₁Open, at this moment K switch ₂Closure is alarm indicator, buzzer M work (notice ward) simultaneously in the Control Room H.Staff in the Control Room can control alarm work by pilot switch F.

Electric ceramic pipe 12 in the heater is by lead E and variable resistance R ₂Be connected, as fine setting variable resistance R ₂The time, the electric current in the electric ceramic pipe 12 changes, and the temperature of generation also changes thereupon, and the temperature of liquid in the earthenware 12 of flowing through is changed, thus the intravital temperature of liquid of may command input patient people alleviates the patient suffering.

Fig. 2～5 are the structural diagrams of flow micro actuator of the present invention.In Fig. 2 and Fig. 4, flow micro actuator 11 is divided into upper and lower section two parts, is provided with the circular channel 10 of perforation in the cylinder central authorities of micro actuator epimere, and hypomere is provided with the passage 1 that crosses, and last hypomere two parts of micro actuator are by the formation one that is threaded.11-3 is provided with cavity at the micro actuator epimere, be provided with the tubular cylinder 11-2 of protrusion at the cavity middle part, cavity inner wall is provided with female thread 11-6, outer wall at micro actuator hypomere 11-4 is provided with external screw thread 11-5, the centre is provided with fluted column position 11-1, it is corresponding with hypomere fluted column position diameter that epimere protrudes cylindrical external diameter, and epimere cavity wall female thread matches with external screw thread on the hypomere outer wall.The change in location that cooperation turn and epimere dome cylinder by hypomere internal and external threads on the micro actuator moves up and down in hypomere fluted column position changes the size of passway in the fluted column position, finely tunes infusion flow.

In Fig. 3 and Fig. 5, in micro actuator hypomere 11-4, be respectively equipped with passage 2,3,4,5 totally four passages and 6,7,8,9 four subchannels of subchannel (also seeing shown in Figure 2), wherein 2,3,4,5 four passages of passage cross in cylindrical lower end with the passage 1 that is located at micro actuator cylinder central authorities, subchannel 6,7,8,9 one ends are connected with passage 2,3,4,5 respectively, and each is connected the other end with fluted column position 11-1.

2,3,4,5 four passages of the passage of micro actuator also can be only cross with a passage or two or three passages and passage 1; Also can be only in 6,7,8,9 four passages of subchannel cross by cylinder recess and passage 1 with a subchannel or two or three subchannels.

In Fig. 6 and Fig. 7, on infusion pump 15 pump housing walls, be provided with sealing ring 22 and corresponding grooves 23, sealing ring 22 matches with groove 23, guarantees the sealing property of infusion pump.

Fastening steel ring 16 among Fig. 8 is made for the flat steel ring, and it is tightened on the housing of infusion pump, has higher safety.

In Fig. 9, the liquid storing bag 15-2 of infusion pump establishes nexine 15-4 and outer 15-5 double-plastic layer, and nexine is the liquid protective layer, and skin is the air pressure protective layer.In nexine, inject transfusion by liquid injection port 15-6, charge into the gas of pressure by inflation inlet 15-8 to barosphere 15-3.During transfusion dropper is connected on liquid injection port 15-6 place, the gas in the liquid storing bag is discharged outside the bag by gas discharge outlet 15-7, and the transfusion in the liquid storing bag is at this moment slowly extruded by micro actuator under the barosphere gas pressure, is input in a steady stream in patient's body.

Claims

1. a medical infusion device comprises infusion pump, transfusion bag, Murphy type burette, and wherein Murphy type burette is connected with transfusion bag, it is characterized in that being provided with in infusion set infusion heating device, infusion flow adjuster and alarm; The electric ceramic pipe (12) and the flow regulator (11) of the probe of alarm (13), heater are serially connected on the Murphy type burette successively, and alarm is connected with described probe (13) by lead (E); Flow regulator is cylindrical shape, comprises epimere and hypomere two parts, and the circular channel (10), the hypomere that are provided with perforation in flow regulator epimere cylinder are provided with the passage that crosses (1), and two sections are connected to form one by screw thread; Be provided with cavity at the flow regulator epimere, be provided with the protrusion cylinder at the cavity middle part, be provided with female thread at cavity inner wall, hypomere outer wall at flow regulator is provided with external screw thread, the centre of hypomere is provided with the fluted column position, it is corresponding with hypomere fluted column position (11-1) diameter that epimere protrudes the external diameter of cylinder (11-2), and the female thread of epimere cavity inner wall matches with external screw thread on the hypomere outer wall; Be respectively equipped with first passage in the flow regulator hypomere cylinder, second channel, four passages of third channel and four-way and first subchannel, second subchannel, the 3rd subchannel and four subchannels of the 4th subchannel, first passage wherein, second channel, four passages of third channel and four-way cross in the cylindrical lower end of hypomere with the passage that crosses that is located at hypomere cylinder central authorities, first subchannel, second subchannel, one end of the 3rd subchannel and the 4th subchannel respectively with corresponding first passage, second channel, third channel and four-way are connected, first subchannel, second subchannel, each is connected the other end of the 3rd subchannel and the 4th subchannel with fluted column position (11-1).

2. a kind of medical infusion device according to claim 1, it is characterized in that heater comprises described electric ceramic pipe (12) and variable resistance (R2), variable resistance is connected with the electric ceramic pipe by lead, the electric ceramic pipe is fixed on the upper position of flow regulator, controls the temperature of transfusion by regulating variable resistance.

3. a kind of medical infusion device according to claim 1, it is characterized in that alarm comprises described probe (13), buzzer (M), first switch (K1), second switch (K2) and Control Room (H), is connected with buzzer, first switch, second switch described probe by lead with Control Room.

4. a kind of medical infusion device according to claim 1, it is characterized in that infusion pump (15) comprises the pump housing (15-1), described transfusion bag (20), rubber reinforcement hook (19), fastening steel ring (16), suction nozzle (17), air gauge (18) and tube for transfusion outlet (21), in the pump housing, place described transfusion bag (20), the rubber band hook (19) of the described transfusion bag of fastening is set on pump housing wall, air gauge (18) and suction nozzle (17) are set at pump housing top, and the tube for transfusion outlet (21) that is located on the pump housing is connected with Murphy type burette.

5. a kind of medical infusion device according to claim 1 is characterized in that first passage, second channel, third channel and four passages of four-way in the flow regulator (11) also can be only cross with one of them passage or two passages or three passages and the passage that crosses; Also can be only in first subchannel, second subchannel, the 3rd subchannel and four subchannels of the 4th subchannel be connected with the fluted column position respectively with one of them subchannel or two subchannels or three subchannels.

6. a kind of medical infusion device according to claim 3, the probe that it is characterized in that alarm are sensor devices or metal contact pick off.

7. a kind of medical infusion device according to claim 4 is characterized in that infusion pump can enough medical double-plastic infusion pump replace.