CN2696652Y

CN2696652Y - Transfusion monitoring controller

Info

Publication number: CN2696652Y
Application number: CN 03280487
Authority: CN
Inventors: 陈麟华
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-15
Filing date: 2003-09-15
Publication date: 2005-05-04
Anticipated expiration: 2013-09-15

Abstract

An auxiliary device used to control fluid infusion of transfusion system, in particular to fluid infusion of transfusion, respectively sets a light-emitting element, an actinoelectricity sensing element and a controlling circuit on both sides of the dropper of the transfusion system. The change of droplets in the dropper brings on electric property change of the actinoelectricity sensing element. The controlling circuit proceeds checking and analysis process on the change and exports corresponding electrical level control signal, driving the light-emitting element, a buzzer and an electromechanical device etc. When the fluid infusion is finished, the light-emitting element and the buzzer send alarm signal automatically, and the electromechanical device drives mechanical component to close the fluid infusion pipeline.

Description

Infusion monitor

Technical field

This utility model relates to a kind of auxiliary device of Monitoring and Controlling transfusion device transfusion, especially the infusion monitor of monitoring (playing instillation) infusion.

Background technology

At present, when patient is carried out infusion, all be manually to monitor control basically by patient or families of patients and the nursing staff that is correlated with.Because infusion dozens of minutes at least, several hrs or tens hours at most.Inpatient particularly, sometimes the transfusion in addition to arrive the late into the night, its process all monitors by artificial entirely, this not only makes the supervision personnel very arduous, and because of carelessness even also can cause patient's life security hidden danger---owing to monitor for a long time, cause the tired or off one's guard of supervision personnel easily and fail in time to find that medicine is defeated to the greatest extent, cause in the air admission patient body and threat to life safety.

Summary of the invention

Manually when overcoming infusion monitor arduous and unsafe deficiency, this utility model provides a kind of electronic monitoring device, and it can automatically send warning signal when transfusion finishes, and closes liquid-transport pipe-line simultaneously automatically.

This utility model addresses this problem the technical scheme that is adopted: make luminous body face photovoltaic sensing element and place, between leaves gap or draw-in groove, the photovoltaic sensing element control circuit that is being electrically connected; Control circuit be electrically connected display lamp, buzzer, electric magnet; The electric magnet next door settles the movable locking bolt of a spring-loaded irony, locking bolt next door to settle the clamp of a spring-loaded closed type, when electric magnet does not have magnetic force not powering up, locking bolt only is subjected to elastic force effect positive action can block clamp, makes the clamp can not be closed; When electric magnet had magnetic force after powering up, the suction of electric magnet was greater than elastic force, made locking bolt make counteragent and no longer blocked clamp, and clamp is closed under spring action.

In the infusion monitor of practicality, electric magnet is substituted by motor, the rotating shaft of motor is equipped with gear, and locking bolt is connected with tooth bar, and with the gear interlock on the machine shaft, the rotation of motor drives locking bolt and moves, and reaches the effect of blocking or decontrol clamp.

Perhaps electric magnet (or motor), locking bolt, clamp be not set in this device, just forms and simply alarms indicating circuit by luminous body, photovoltaic sensing element, control circuit, display lamp, buzzer.

When reality is used, " dropper " (Murphy type burette) in the infusion device is placed in the draw-in groove between luminous body and the photovoltaic sensing element, the conduit of infusion device is placed in the open clamp.In transfusion bottle normal infusion process, " droplet " that drips " dropper " internal clearance formula, constantly stop from luminous body and shine light on the photovoltaic sensing element, make the resistance value of photovoltaic sensing element be periodic variation, control circuit is output drive signal not, in case do not have in " dropper " " droplet ", the resistance value of photovoltaic sensing element is not periodic variation, then control circuit output level control signal drive that display lamp is luminous, buzzer sounding and form alarm signal, remind the monitoring personnel to finish transfusion; If mechanical part locking bolt, clamp is set in infusion monitor, same, control circuit output level control signal DM produces suction, make locking bolt make counteragent and no longer block clamp, clamp is closed from moving under spring action, compressing is placed on the conduit of the transfusion device in the clamp, thereby close liquid-transport pipe-line automatically, finish transfusion,, do not seal in human body so do not have air because also leave liquid in the inner and following transfusion catheter this moment " dropper ".

The beneficial effects of the utility model are, because infusion monitor is a kind of auxiliary supervision and control device, during use, just " dropper ", the transfusion catheter of transfusion device are placed in the monitoring utensil, the just transfusion device outer wall that it touches, do not contact medicine and people's human body part, just like the eyes and the both hands of a monitor patients.Supervision and control (closing transfusion after finishing) that the also just auxiliary monitoring personnel of its purpose infuse, with the burden that alleviates the monitoring personnel, the safety of raising infusion process, thereby it is not medical apparatus and instruments, can use repeatedly yet.Simultaneously infusion monitor can be tested oneself at any time, and in the transfusion device infusion process, along with following of drop, electronic circuit detects the pulse signal of this variation when transfusion, with the luminous tube indication of glimmering synchronously; At this therebetween, whether the actuator of manual-lock transfusion device just can artificially be tested infusion monitor and can monitor by Normal Alarm, with the safety of guaranteeing to monitor.

Description of drawings

Below in conjunction with drawings and Examples this utility model is further specified.

Fig. 1 is a parts structural representation of the present utility model and circuit block diagram.

Fig. 2 is the structural representation of another form of this utility model.

Fig. 3 is the D structure sketch map of first embodiment of this utility model.

Among Fig. 1,1. rotating shaft 16. clamps 17. clamp handles 18. tong chopses 20. transfusion devices 21. " dropper " 22. drops 23. transfusion catheters 24. actuators 25. transfusion bottles 26. drug solutions of rotating shaft 14. locking bolts 15. clamps of luminous body 2. light beams 3. draw-in grooves 4. photovoltaic sensing elements 5. electronic circuits 6. amplification and rectification circuits 7. logic control circuit 8.L1 display lamp 9.L2 display lamps 10. buzzers 11. electric magnet 12. mechanical components 13. locking bolts

Specific embodiments

In Fig. 1, by luminous body (1), photovoltaic sensing element (4) and be attached thereto the electronic circuit (5), electromechanical device (11), the mechanical component (12) that connect and form infusion monitor, power by power supply.

In luminous body (1) when work, produce thin and bright light beam (2), and light beam (2) is over against photovoltaic sensing element (4).Between luminous body (1) and photovoltaic sensing element (4) draw-in groove (3) is arranged, this draw-in groove (3) intersects the track and the light beam (2) of drop (22) motion in " dropper " (21) in order to place and to fix " dropper " (21) of transfusion device.Like this, intermittent current is crossed the drop (22) in " dropper " (21) pipes, will influence the light that light beam (2) shines photovoltaic sensing element (when drop when being transparent, owing to the arc sphere of drop makes light refraction; When drop is opaque or translucent, drop will directly stop light).

The variation of light causes the electrical variation of photovoltaic sensing element (4).What be connected with photovoltaic sensing element is electronic circuit (5), and electronic circuit (5) is made up of amplification and rectification circuit (6) and logic control circuit (7).The amplification and rectification circuit (6) that wherein (can be made of operational amplifier) detects the pulse signal of this variation of photovoltaic sensing element (4), this is amplified, shaping, and drives L1 luminous tube (8), produces flicker indication synchronously.In the electronic circuit (5), the back level of amplification and rectification circuit (6) is logic control circuit (7), and it carries out logical analysis to prime amplification and rectification circuit (6) shaped pulse signal and handles.Drug conveying in transfusion bottle finishes, there is not the variation of drop in the pipe of " dropper " (21), thereby pulse signal is disappeared and spent the regular hour (as 3-4 second, can be provided with) time, logic control circuit (7) outputs level signals drives L2 display lamp (9), buzzer (10) and electric magnet (11) respectively.

The mechanical component (12) that is associated with electric magnet (11) is made up of the elasticity clamp (16) of closed type, elasticity locking bolt (14) etc., press clamp handle (17) left with external force, make clamp (16) around its rotating shaft (15) when opening, elasticity locking bolt (14) springs into downwards automatically around its rotating shaft (13), makes clamp (16) closure again; In case logic control circuit (7) outputs level signals in the electronic circuit (5), driving machine electrical part (11) is an electric magnet, and electric magnet produces magnetic force, upwards sucking-off of locking bolt (14), clamp (16) auto-closing;

During use, " dropper " (21) of transfusion device are packed into infuse in the draw-in groove (4) of controller; Open clamp (16), the tube for transfusion of transfusion device (23) is put into tong chops (18), start the transfusion controller.In normal infusion process, user can be seen the synchronous flicker indication of L1 luminous tube (8), is pointing out the infusion monitor operate as normal; In case it is complete that the interior medicine of transfusion bottle is totally lost, L2 display lamp (9), buzzer send warning signals such as light or sound automatically, and clamp compressing transfusion catheter makes its obturation, finishes transfusion automatically.

In infusion process,, check that whether infusion monitor carries out alarm monitoring, checks its performance with this by manual-lock actuator (24).

In another embodiment shown in Figure 2, luminous body (1) and photovoltaic sensing element (4) have two pairs, constitute the two-way sensing.They all are positioned at the both sides of draw-in groove (3), and the movement locus of the drop (22) in its light beam that sends separately (2) is all managed with " dropper " (21) intersects.The no rotating shaft of locking bolt (14) in the mechanical component (12) is by left and right sides translation, acts on clamp (16); Clamp (16) is for opening around its rotating shaft (15) fore-and-aft direction or closure.

In the embodiments of figure 3, one frame and base plate (31) are arranged, luminous body (1), photovoltaic sensing element (4), draw-in groove (3), electronic circuit (5), electromechanical device (11), mechanical component (12) comprise that clamp (16), locking bolt (14) wait all devices all to be installed on the base plate (31), constitute a portable infusion monitor on the whole, can directly hang on the drip stand.

Claims

1, a kind of infusion monitor, the supervising device of particularly medical " playing instillation " transfusion device transfusion is formed by the circuit part of optoelectronic induction, logic control circuit, audible and visual alarm with by mechanical part locking bolt, clamp, it is characterized in that:

Luminous body (1) faces photovoltaic sensing element (4), leaves gap or draw-in groove (3) between the two, photovoltaic sensing element (4) control circuit (5) that is being electrically connected, control circuit (5) be electrically connected display lamp (9), buzzer (10), electric magnet (11);

Electric magnet (11) next door is mounted with the movable locking bolt (14) of spring-loaded irony, the clamp (16) that locking bolt (14) next door is mounted with the spring-loaded closed type,

Electric magnet (11) is not when having magnetic force not powering up, and locking bolt (14) only is subjected to elastic force effect positive action can block clamp (16), makes the clamp (16) can not be closed; When electric magnet had magnetic force after powering up, the suction of electric magnet (11) made locking bolt (14) make counteragent and no longer block clamp (16) greater than elastic force.

2, according to claims 1 described infusion monitor, it is characterized in that: electric magnet (11) is substituted by motor, and the rotating shaft of motor is equipped with gear, and locking bolt (14) is connected with tooth bar, and with the gear interlock on the machine shaft, the rotation of motor drives locking bolt (14) and moves.

3, according to claims 1 described infusion monitor, it is characterized in that: this device does not have electric magnet, locking bolt, clamp, just is made up of luminous body (1), photovoltaic sensing element (4), control circuit (5), display lamp (9), buzzer (10).

4, according to claims 1,2 or 3 described infusion monitors, it is characterized in that: have luminous body (1) and photovoltaic sensing element (4) more than two pairs to face arrangement, luminous body (1) and photovoltaic sensing element (4) leave same gap or draw-in groove (3) between the two.