CN202223641U - Intelligent safe transfusion system - Google Patents

Abstract

The utility model discloses an intelligent safe transfusion system, comprising transfusion tubes, a Murphy tube and transfusion regulators. The transfusion tubes comprise branch transfusion tubes and a transfusion master tube; a transfusion state monitoring sensor used for recording an interval between two drops of liquid is installed fixedly outside the Murphy tube and near the middle section of the Murphy tube; one liquid level monitoring sensor is fixedly disposed at a position adjoining one branch transfusion tube and being under one transfusion regulator; signal output ends of the transfusion state monitoring sensor and the liquid level monitoring sensors are connected with a signal receiving end of a transfusion controller which sends signals to an alarm and a communication terminal; and each transfusion tube is provided with a transfusion switch; and the transfusion switches are driven by switch execution systems to control progress of transfusion in different transfusion tubes. The intelligent safe transfusion system is applicable to various kinds of transfusion liquid; has functions of changing liquid automatically, giving an alarm after completion of the transfusion, displaying and automatically regulating transfusion speed, and preventing air from entering into vessels of patients after the completion of the transfusion; has greater safety and reliability through a non-contact type structure between switch components of the transfusion tubes and the liquid; and reduces work load of medical workers.

Description

The intelligent and safe transfusion device

Technical field

This utility model relates to a kind of transfusion device, particularly a kind of can realize from move liquid, transfusion finish warnings, prevent to infuse finish after air admission patient vessel, display speed and manually import transfusion speed, control the transfusion device of function such as transfusion speed automatically.

Background technology

Change dressings automatically device or the intelligent transfusion device that use at present mainly are to launch inventive concept to the Mo Feishi pipe, and the automatic interrupter of setting is made up of with the ball float that is positioned at it float chamber automatic interrupter.But; The necessary condition that this automatic interrupter is realized is the ball float of in Mo Feishi pipe or float chamber, packing into, and ball float and transfusion device are contacts, and be very high to the ball float material requirements; Must reach the application safety standard, otherwise will exist switch element to pollute the risk of medicinal liquid.If the shape of ball float is inhomogeneous, may not realize switching function, can not realize automatization's control or Based Intelligent Control, possibly can not use well in some occasions.Owing to may once import many bottles of liquid medicine to a patient when infusing sometimes, in the medical and nursing work of busy anxiety, come and go and change the workload that liquid medicine obviously can increase medical personnel, also possibly influence other patients' medication demand.

The utility model content

The purpose of this utility model is to provide a kind of intelligent and safe transfusion device; This transfusion device can not only satisfy various input liquid; And can realize from move liquid, transfusion finish warnings, prevent the transfusion functions such as air admission patient vessel that finish afterwards; And the switch element of tube for transfusion and medicinal liquid are contactless, have ensured drug safety and reliability, have alleviated medical personnel's labor intensity simultaneously.

For reaching the foregoing invention purpose, this utility model is taked following technical scheme:

A kind of intelligent and safe transfusion device; Comprise tube for transfusion, Mo Feishi pipe and infusion regulator, tube for transfusion comprises branch road tube for transfusion that is positioned at the upper end and the transfusion house steward who is positioned at the lower end, and the branch road tube for transfusion comprises the two-way tube for transfusion at least; The syringe needle of each branch road tube for transfusion end inserts different liquid medicine bottles respectively; The lower end of each branch road tube for transfusion is compiled and is communicated with the transfusion house steward, and the Mo Feishi pipe is positioned at transfusion house steward section, and an infusion regulator is installed respectively on the section of each branch road tube for transfusion; The outside, stage casing fixed installation record two drop of liquid transfusion state monitoring sensor at interval near the Mo Feishi pipe; Below infusion regulator, fixedly mount the level monitoring pick off near branch road tube for transfusion position; The signal output part of transfusion state monitoring sensor and level monitoring pick off all is connected with the signal receiving end of transfusion controller, and the transfusion controller can also send signal to alarm and communication terminal respectively; On transfusion house steward and each branch road tube for transfusion, transfuse switch is housed all; Transfuse switch is through the transfusion opening and closing movement of the different tube for transfusions of switch executive system driving execution; The switch executive system comprises switch actuator and drive motors thereof; The command signal receiving terminal of drive motors is connected with the command signal outfan of transfusion controller, and the switch executive system comprises arm switch executive system and house steward's switch executive system.

A kind of technical scheme as this utility model; One cover arm switch executive system respectively is installed on each above-mentioned branch road tube for transfusion; Every cover arm switch executive system all comprises the actuator of one group of arm switch and moves the liquid drive motors certainly; The actuator of every group of arm switch also comprises an infusion regulator, and the branch road tube for transfusion is realized the switching function to the branch road tube for transfusion through the gear driven infusion regulator.

A kind of improved technical scheme as this utility model; Arm switch executive system comprises the actuator of arm switch and moves the liquid drive motors certainly; From cam mandrel of the coaxial fixed connection of the spindle end of moving the liquid drive motors; Fixed different cams is measure-alike on the cam mandrel, and the recess location of the protuberance of fixed any cam and other cams is inequality on the cam mandrel, and the protuberance position of the recess of fixed any cam and other cams is also inequality on the cam mandrel; The actuator of arm switch also comprises the smooth bore mechanism with parallel slideway; The different slideways of each parallel smooth bore mechanism are fixed different cams on the corresponding cam mandrel respectively, the axis normal of the bearing of trend of slideway and cam mandrel, and slideway has only an end unlimited fully; Spring core rod sliding back and forth is housed in each slideway; Fixed different convex wheel surface directly contacts on one end of each spring core rod and the cam mandrel, and another termination of spring core rod and the end of slideway form variable dynamic clearance, and each branch road tube for transfusion passes from dynamic clearance respectively.

Another kind of improved technical scheme as this utility model; Two level monitoring pick offs are installed in place at a distance of certain distance on each branch road tube for transfusion; Have only when the signal of two level monitoring pick off outputs is consistent; The signal receiving end of controller just can continue to carry out relative program, and this scheme can avoid bubble to obscure mutually with the aneroid pipe.

Another kind of technical scheme as this utility model; House steward's switch executive system comprises actuator of house steward's switch and safe master control driving motor thereof; The spindle end of safe master control driving motor is through bolt of the coaxial fixed connection of adapter sleeve; The actuator of house steward's switch also comprises a female thread chucking cover that matches with bolt, and female thread chucking cover with the tube for transfusion fixing head linear slide can take place, glide direction be safe master control driving motor main shaft axially; Form variable top clearance between the bent face in the free end of bolt and the female thread chucking cover far-end, the transfusion house steward passes from top clearance.

Another kind of improved technical scheme as this utility model; The free end that is positioned at the bolt of female thread chucking cover flexibly connects through bearing and a pressure termination; Pressure end epicranium female thread chucking cover constraint and along linear slide; Form variable top clearance between the bent face in pressure termination and the female thread chucking cover far-end, the transfusion house steward passes from top clearance.

Another improved technical scheme as this utility model; House steward's switch executive system also comprises actuator of house steward's switch and safe master control driving motor thereof; Cam mandrel of the coaxial fixed connection of the spindle end of safe master control driving motor, the protuberance of cam form presses pressure infuser house steward's pressure head.

In the technique scheme of this utility model; What the transfusion controller comprised single-chip microcomputer and periphery thereof is sensor assembly, motor control module, display module, communication module and warning main control module; The signal receiving end of sensor assembly is connected with the signal output part of transfusion state monitoring sensor with the level monitoring pick off respectively; Display module is to the display terminal output image signal, and communication module is sent signal of communication to communication terminal, and the warning main control module sends alarm signal to alarm; Motor control module command signal outfan is connected with the command signal receiving terminal of drive motors, and the input signal receiving terminal of transfusion controller also connects the keyboard input terminal.

In the technique scheme of this utility model, transfusion state monitoring sensor and level monitoring pick off adopt optical pickocff.

This utility model has following substantive distinguishing features and advantage compared with prior art:

1. this utility model transfusion device can not only satisfy various input liquid; Can carry out changing dressings automatically of many bottles of liquid medicine transfusion, and can realize from move liquid, transfusion finish warnings, prevent transfusion finish after air admission patient vessel, demonstration also can regulate functions such as transfusion speed voluntarily.

This utility model the transfusion speed of transfusion device by equipment and people control, patient can regulate transfusion speed voluntarily according to the health of oneself.

3. the switch element of the tube for transfusion of this utility model transfusion device and medicinal liquid are contactless, have ensured drug safety and reliability.

4. the combination of this utility model transfusion device institute employing pick off and single-chip microcomputer, intelligent degree is high, and control accuracy is high, and safety is good, has alleviated medical personnel's labor intensity simultaneously.

Description of drawings

Fig. 1 is the structural representation of the embodiment one of this utility model.

Fig. 2 is the intelligence control system graph of a relation of the embodiment one of this utility model.

Fig. 3 is the arm switch executive system structural representation of the embodiment one of this utility model.

Fig. 4 is the arm switch executive system structural representation of the embodiment two of this utility model.

Fig. 5 is that fixed different cams mutual alignment concerns sketch map on the cam mandrel of embodiment two of this utility model.

Fig. 6 is the level monitoring pick off installation form sketch map on the branch road tube for transfusion of embodiment three of this utility model.

Fig. 7 is house steward's switch executive system structural representation of the embodiment four of this utility model.

Fig. 8 is house steward's switch executive system structural representation of the embodiment five of this utility model.

Fig. 9 is the phylogenetic relationship figure of transfusion controller of the embodiment seven of this utility model.

The specific embodiment

The preferred embodiment accompanying drawings of this utility model is following:

Embodiment one:

Referring to Fig. 1 and Fig. 2; A kind of intelligent and safe transfusion device; Comprise tube for transfusion, Mo Feishi pipe 2 and infusion regulator 3, it is characterized in that: tube for transfusion comprises branch road tube fortransfusion 4 that is positioned at the upper end and thetransfusion house steward 1 who is positioned at the lower end, and branch road tube fortransfusion 4 comprises the two-way tube for transfusion at least; The syringe needle of each branch road tube fortransfusion 4 end inserts different liquid medicine bottle 23 respectively; The lower end of each branch road tube fortransfusion 4 is compiled and is communicated withtransfusion house steward 1, and Mo Feishi pipe 2 is positioned attransfusion house steward 1 section, and an infusion regulator 3 is installed respectively on the section of each branch road tube for transfusion.The outside, stage casing fixed installation record two drop of liquid transfusionstate monitoring sensor 5 at interval near Mo Feishi pipe 2; Below infusion regulator 3, fixedly mount level monitoring pick off 6 near branch road tube fortransfusion 4 positions; The signal output part of transfusionstate monitoring sensor 5 and level monitoring pick off 6 all is connected with the signal receiving end oftransfusion controller 7, andtransfusion controller 7 can also send signal toalarm 9 andcommunication terminal 10 respectively.Ontransfusion house steward 1 and each branch road tube fortransfusion 4,transfuse switch 8 is housed all;Transfuse switch 8 is through the transfusion opening and closing movement of the different tube for transfusions of switch executive system driving execution; The switch executive system comprises switch actuator and drive motors thereof; The command signal receiving terminal of drive motors is connected with the command signal outfan oftransfusion controller 7, and the switch executive system comprises arm switch executive system and house steward's switch executive system.

Level monitoring pick off 6 can collect a signal after every bottle of transfusion finishes, and sends totransfusion controller 7, and the plug-in throughtransfusion controller 7 captures this signal, send to transfuseswitch 8 then, and thetransfuse switch 8 of controlling next bottle is opened.When the patient can cause transfusion not smooth because of hands and infusion bottle difference in height inadequately, transfusion this moment can stop, and promptly Mo Feishi manages 2 liquid and can stop to drip; This device is through managing the outside, 2 stage casings fixed installation record two drop of liquid transfusionstate monitoring sensor 5 at interval at Mo Feishi; Can detect each drop of liquid and fall and the time between last,, can judge that then this moment, transfusion stopped if not detecting signal greater than certain hour; Promptly give the alarm, till detecting signal next time.In the end throughtransfusion controller 7 function that originally is used for from moving the level monitoring pick off 6 of liquid is changed one bottle of liquid start injection the time; Stop if level monitoring pick off 6 detects transfusion this moment; Promptly through send a signal to nurse's receiving terminal tocommunication terminal 10, the nurse comes to pull out pin after seeing prompting.Through the set inside oftransfusion controller 7, if the nurse does not pull out pin after sending the signal certain hour, promptly transfusion device is in idle state, and this device will the auto-closing main switch.Make air can not get into patient's blood vessel, send the alarm sound simultaneously, the prompting patient notifies the nurse voluntarily.

Referring to Fig. 3; In this example; One cover arm switch executive system respectively is installed on each branch road tube fortransfusion 4; Every cover arm switch executive system all comprises the actuator of one group of arm switch and movesliquid drive motors 11 certainly, and the actuator of every group of arm switch also comprises an infusion regulator, and branch road tube fortransfusion 4 is realized the switching function to branch road tube fortransfusion 4 through the gear driven infusion regulator.Branch road tube fortransfusion 4 is fixed in the draw-in groove of infusion regulator, and the innermost degree of depth of draw-in groove is the diameter of a tube for transfusion, and promptly when the roller in the draw-in groove was positioned at the bosom of draw-in groove, the flow of branch road tube fortransfusion 4 inner liquid medicines was maximum.When the roller in the draw-in groove was positioned at the most shallow place of draw-in groove, the roller in the draw-in groove all flattened branch road tube fortransfusion 4, stops dropping liquid.The roller of draw-in groove rolls through moving 11 drivings of liquid drive motors certainly, thereby realizes from moving the work that surges.

Embodiment two:

The technical scheme of present embodiment and embodiment one is basic identical, and difference is:

Referring to Fig. 4 and Fig. 5; In the present embodiment; Arm switch executive system comprises the actuator of arm switch and movesliquid drive motors 11 certainly, movescam mandrel 13 of the coaxial fixed connection of spindle end ofliquid drive motors 11 certainly, and fixed different cams is measure-alike on thecam mandrel 13; The recess location of the protuberance of fixed any cam and other cams is inequality on thecam mandrel 13; The protuberance position of the recess of fixed any cam and other cams is also inequality on thecam mandrel 13, and the actuator of arm switch also comprises the smooth bore mechanism with parallel slideway, and thedifferent slideways 14 of each parallel smooth bore mechanism are fixed different cams on thecorresponding cam mandrel 13 respectively; The axis normal of the bearing of trend ofslideway 14 andcam mandrel 13; Slideway 14 has only an end unlimited fully, andspring core rod 15 sliding back and forth is housed in eachslideway 14, and fixed different convex wheel surface directly contacts on an end of eachspring core rod 15 and thecam mandrel 13; Another termination ofspring core rod 15 and the end ofslideway 14 form variabledynamic clearance 16, and each branch road tube fortransfusion 4 passes fromdynamic clearance 16 respectively.In embodiment, switch all is in closure state at first, and level monitoring pick off 6 can collect a signal that liquid level is low after every bottle of transfusion finishes; Send totransfusion controller 7,transfusion controller 7 is handled through data analysis, sends a command signal and gives from movingliquid drive motors 11; Turn over specified angle from movingliquid drive motors 11, makespring core rod 15 support the groove of a cam on thecam mandrel 13, switch opens; The transfusion beginning, the back and the like.Rotate different angles through control from movingliquid drive motors 11, and then control different switch opens.Like three switches among Fig. 4, if be separated by 120 degree in twos, the existing switch opens of moving 120 degree of bearing revolution.4,5,6 switches or more switches if desired, its principle is identical.For multipurpose switch, for example can control simultaneously two above switches simultaneously closure or openness switching device also in like manner.

When transfusion device needs the input pipe of supporting manifold, also has the infusion regulator 3 of a transfusion speed on each branch road tube for transfusion 4.Insert each infusion regulator 3 in one bottle of liquid medicine; Then infusion regulator 3 is fixed on the fixture, the level monitoring pick off 6 that whether also has liquid medicine in a switch that can compress and loosen infusion regulator 3 and the induction infusion regulator 3 is arranged on the branch road tube for transfusion 4.During beginning, except the first branch road tube fortransfusion 4, other branch road tube fortransfusions 4 all are in closed condition, and regulate the flow velocity of each bottle in advance with infusion regulator 3.When level monitoring pick off 6 induces first bottle of liquid medicine when being about to drip off, pass to arm switch executive system to signal No. two, open switch, just can import second bottle of liquid medicine.The rest may be inferred for the N bottle liquid medicine of back.When last bottle liquid medicine was about to drip off, the level monitoring pick off 6 on last branch road tube fortransfusion 4 can be totransfusion controller 7 transmission information, andtransfusion controller 7 is notified nurse on duty automatically through communication terminal 10.If transfusion is not smooth in the tube for transfusion, promptly in setting-up time, there is not liquid to inject, thenalarm 9 can give the alarm and remind the patient.

Embodiment three:

The technical scheme of present embodiment and embodiment one and embodiment two is basic identical, and difference is:

Referring to Fig. 6, in the present embodiment, two levelmonitoring pick offs 6 are installed respectively on each branch road tube fortransfusion 4, two level monitoring pick offs on same branch road tube fortransfusion 4 are at a distance of certain distance.If two level monitoring signal of sensor unanimities perhaps have liquid or no liquid at this moment in the branch road tube fortransfusion 4, the signal receiving end oftransfusion controller 7 can send relevant execution dependent instruction, or stops or continuing.If both export the signal difference, there is bubble in the liquid in the branch road tube fortransfusion 4 at this moment, the signal receiving end oftransfusion controller 7 can be carried out dependent instruction according to normal infusion.

Embodiment four:

The technical scheme of present embodiment and embodiment one and embodiment two is basic identical, and difference is:

Referring to Fig. 7; In the present embodiment; House steward's switch executive system comprises actuator of house steward's switch and safe mastercontrol driving motor 12 thereof, and the spindle end of safe mastercontrol driving motor 12 is throughbolt 17 ofadapter sleeve 24 coaxial fixed connections, and the actuator of house steward's switch also comprises a femalethread chucking cover 25 that matches withbolt 17; Linear slide can take place with tube fortransfusion fixing head 26 in femalethread chucking cover 25; Glide direction be safe mastercontrol driving motor 12 main shaft axially, form variabletop clearance 18 between the bent face in the free end ofbolt 17 and femalethread chucking cover 25 far-ends, thehouse steward 1 that infuses passes from top clearance 18.In embodiment, mastercontrol driving motor 12 connects abolt 17, and femalethread chucking cover 25 is equivalent to a nut, and the position ofbolt 17 is motionless, and femalethread chucking cover 25 just rotates the line linearity of going forward side by side with respect tobolt 17 and feeds motion.Linear slide just can take place with tube fortransfusion fixing head 26 in the rotation of constraint femalethread chucking cover 25, female thread chucking cover 25.When needs were closedtransfusion house steward 1, motor just changeed, and makesbolt 17 precession nuts, and the pressure head atbolt 17 tops is pushed downtransfusion house steward 1, and transfusion stops; When needs are openedtransfusion house steward 1, the motor counter-rotating, the pressure head that makesbolt 17 tops is away fromtransfusion house steward 1, and transfusion begins.

Embodiment five:

The technical scheme of present embodiment and embodiment four is basic identical, and difference is:

Referring to Fig. 8; In the present embodiment; The free end that is positioned at thebolt 17 of femalethread chucking cover 25 flexibly connects through bearing 27 and apressure termination 28;Pressure termination 28 forms variabletop clearance 18 between the bent face by 25 constraints of female thread chucking cover and along linear slide inpressure termination 28 and femalethread chucking cover 25 far-ends, andtransfusion house steward 1 passes from top clearance 18.In the present embodiment, installpressure termination 28 additional, and connect,pressure termination 28 is not rotated, linear slide only takes place, reduce the influence of pivoting friction, improve the switch safetytransfusion house steward 1 through bearing 27 in the termination ofbolt 17.

Embodiment six:

The technical scheme of present embodiment and embodiment one and embodiment two is basic identical, and difference is:

In the present embodiment; House steward's switch executive system also comprises actuator of house steward's switch and safe mastercontrol driving motor 12 thereof; Cammandrel 13 of the coaxial fixed connection of the spindle end of safe mastercontrol driving motor 12, the protuberance of cam form presses pressureinfuser house steward 1 pressure head.In the present embodiment, through the rotation of mastercontrol driving motor 12control cam mandrels 13, and then the rotation of drive cam, the rotation of cam can be opened switch makes transfusion normally carry out.

Embodiment seven:

The technical scheme of present embodiment and the foregoing description is basic identical, and difference is:

Referring to Fig. 9; In the present embodiment; Whattransfusion controller 7 comprised single-chip microcomputer 19 and periphery thereof issensor assembly 19,motor control module 20, display module 29,communication module 21 and warningmain control module 22; The signal receiving end ofsensor assembly 19 is connected with the signal output part of transfusionstate monitoring sensor 5 with level monitoring pick off 6 respectively; Display module 29 is to the display terminal output image signal, andcommunication module 21 is sent signal of communication tocommunication terminal 10, and warningmain control module 22 sends alarm signal toalarm 9;Motor control module 20 command signal outfans are connected with the command signal receiving terminal of drive motors, and the input signal receiving terminal oftransfusion controller 7 also connects the keyboard input terminal.In the present embodiment, after every bottle of transfusion finished, level monitoring pick off 6 can collect a signal, sends to single-chip microcomputer 19, captured this signal through the program in the single-chip microcomputer 19, sent tomotor control module 20 then, controlled the switch opens of next bottle.When the patient can cause transfusion not smooth because of hands and infusion bottle difference in height inadequately, transfusion this moment can stop, and promptly the liquid in the Mo Feishi pipe 2 can stop to drip; Through the outside, stage casing fixed installation record two drop of liquid transfusionstate monitoring sensor 5 at interval at Mo Feishi pipe 2; Can detect each drop of liquid and fall and the time between last,, can judge that then this moment, transfusion stopped if not detecting signal greater than certain hour; Promptly give the alarm, till detecting signal next time.In the end through the programs in the single-chip microcomputer 19 function that originally is used for from moving the level monitoring pick off 6 of liquid is changed one bottle of liquid start injection the time; Stop if level monitoring pick off 6 detects transfusion this moment; Promptly send the receiving terminal of signal to the nurse throughcommunication module 21, the nurse comes to pull out pin after seeing prompting.Through the program setting in the single-chip microcomputer 19,, promptly there is not closing machine if the nurse does not pull out pin after sending the signal certain hour; Transfusion device will the auto-closing main switch; Make air can not get into patient's blood vessel, sound simultaneously, the prompting patient notifies the nurse voluntarily.In the present embodiment; Display module 29 is to the display terminal output image signal; And can be through keyboard totransfusion controller 7 input data; Realization is controlled the optional manual mode of intelligent and safe transfusion device, realizes human-computer interaction function, needs to import the bottle number of transfusion and the transfusion speed of corresponding infusion bottle etc. as importing in advance totransfusion controller 7 through keyboard.

Embodiment eight:

The technical scheme of present embodiment and the foregoing description is basic identical, and difference is: on branch road tube fortransfusion 4, can load onto infrared correlation pick off respectively, the signal output part of pick off is connected with single-chip microcomputer 19 external interrupt mouths.Liquid medicine in first arm has flowed, and the signal of the outfan output of infrared correlation pick off changes, and single-chip microcomputer 19 gauge taps are opened second arm.Liquid medicine in second arm has flowed, and the signal of the outfan output of infrared correlation pick off changes, and single-chip microcomputer 19 gauge taps are opened the 3rd arm, and the rest may be inferred.When the infrared correlation sensor on the last branch road tube fortransfusion 4 had flowed to liquid medicine, single-chip microcomputer 19 maycommand communication modules 21 gave the alarm to the computer of nurse's night shift room.Single-chip microcomputer 19 detects less than the signal that is installed in the infrared correlation pick off on the Mo Feishi pipe and changes, and after a period of time, single-chip microcomputer 19 can ring by the control buzzer, reminds patient.

In the present embodiment, transfusionstate monitoring sensor 5 adopts optical pickocff with level monitoring pick off 6.

Combine accompanying drawing that this utility model embodiment is illustrated above; But this utility model is not limited to the foregoing description; Can also make multiple variation according to the purpose that the utility model of this utility model is created, change, the modification of making under all spirit according to this utility model technical scheme and the principle, substitute, combination, simplify, all should be equivalent substitute mode; As long as meet structural principle, all belong to the protection domain of this utility model based on the intelligent and safe transfusion device.

Claims (11)

1. intelligent and safe transfusion device; Comprise that tube for transfusion, Mo Feishi manage (2) and infusion regulator (3); It is characterized in that: said tube for transfusion comprises branch road tube for transfusion (4) that is positioned at the upper end and the transfusion house steward (1) who is positioned at the lower end; Said branch road tube for transfusion (4) comprises the two-way tube for transfusion at least, and the syringe needle of each said branch road tube for transfusion (4) end inserts different liquid medicine bottle (23) respectively, and the lower end of each said branch road tube for transfusion (4) is compiled and is communicated with transfusion house steward (1); Said Mo Feishi pipe (2) is positioned at said transfusion house steward (1) section, and an infusion regulator (3) is installed respectively on the section of said each branch road tube for transfusion;

The outside, stage casing fixed installation record two drop of liquid transfusion state monitoring sensor (5) at interval near said Mo Feishi pipe (2); Below at said infusion regulator (3) fixedly mounts level monitoring pick off (6) near branch road tube for transfusion (4) position; The signal output part of said transfusion state monitoring sensor (5) and level monitoring pick off (6) all is connected with the signal receiving end of transfusion controller (7), and said transfusion controller (7) can also send signal to alarm (9) and communication terminal (10) respectively;

On said transfusion house steward (1) and each said branch road tube for transfusion (4), transfuse switch (8) is housed all; Said transfuse switch (8) is through the transfusion opening and closing movement of the different tube for transfusions of switch executive system driving execution; Said switch executive system comprises switch actuator and drive motors thereof; The command signal receiving terminal of said drive motors is connected with the command signal outfan of said transfusion controller (7), and said switch executive system comprises arm switch executive system and house steward's switch executive system.

2. intelligent and safe transfusion device according to claim 1; It is characterized in that: a cover arm switch executive system respectively is installed on each said branch road tube for transfusion (4); The said arm switch of every cover executive system all comprises the actuator of one group of arm switch and moves liquid drive motors (11) certainly; The actuator of every group of arm switch also comprises an infusion regulator, and said branch road tube for transfusion (4) is realized the switching function to said branch road tube for transfusion (4) through the gear driven infusion regulator.

3. intelligent and safe transfusion device according to claim 1; It is characterized in that: said arm switch executive system comprises the actuator of arm switch and moves liquid drive motors (11) certainly; Said from a spindle end cam mandrel of coaxial fixed connection (13) of moving liquid drive motors (11); Said cam mandrel (13) is gone up the measure-alike of fixed different cams; The protuberance of the last fixed any cam of said cam mandrel (13) and the recess location of other cams are inequality; The recess of the last fixed any cam of said cam mandrel (13) and the protuberance position of other cams are also inequality; The actuator of said arm switch also comprises the smooth bore mechanism with parallel slideway; The different slideways (14) of said each said parallel smooth bore mechanism corresponding said cam mandrels (13) are respectively gone up fixed different cams, the axis normal of the bearing of trend of said slideway (14) and said cam mandrel (13), and said slideway (14) has only an end unlimited fully; In each said slideway (14), spring core rod sliding back and forth (15) is housed; One end of each said spring core rod (15) is gone up fixed different convex wheel surface with said cam mandrel (13) and is directly contacted, and the end of another termination of said spring core rod (15) and said slideway (14) forms variable dynamic clearance (16), and each said branch road tube for transfusion (4) passes from said dynamic clearance (16) respectively.

4. according to claim 2 or 3 described intelligent and safe transfusion devices, it is characterized in that: on each said branch road tube for transfusion (4), two level monitoring pick offs (6) are installed respectively.

5. according to claim 2 or 3 described intelligent and safe transfusion devices; It is characterized in that: said house steward's switch executive system comprises actuator of house steward's switch and safe master control driving motor (12) thereof; The spindle end of said safe master control driving motor (12) is through adapter sleeve (a 24) bolt of coaxial fixed connection (17); The actuator of said house steward's switch also comprises a female thread chucking cover (25) that matches with said bolt (17); Linear slide can take place with tube for transfusion fixing head (26) in said female thread chucking cover (25); Glide direction be said safe master control driving motor (12) main shaft axially; Form variable top clearance (18) between the bent face in the free end of said bolt (17) and said female thread chucking cover (25) far-end, said transfusion house steward (1) passes from said top clearance (18).

6. intelligent and safe transfusion device according to claim 5; It is characterized in that: the free end that is positioned at the said bolt (17) of said female thread chucking cover (25) flexibly connects through a bearing (27) and a pressure termination (28); Said pressure termination (28) is by said female thread chucking cover (25) constraint and along linear slide; Form variable top clearance (18) between the bent face in said pressure termination (28) and said female thread chucking cover (25) far-end, said transfusion house steward (1) passes from said top clearance (18).

7. according to claim 2 or 3 described intelligent and safe transfusion devices; It is characterized in that: said house steward's switch executive system also comprises actuator of house steward's switch and safe master control driving motor (12) thereof; The spindle end of said safe master control driving motor (a 12) cam mandrel of coaxial fixed connection (13), the protuberance of said cam forms the pressure head of pushing said transfusion house steward (1).

8. intelligent and safe transfusion device according to claim 5; It is characterized in that: what said transfusion controller (7) comprised single-chip microcomputer (19) and periphery thereof is sensor assembly (19), motor control module (20), display module (29), communication module (21) and warning main control module (22); The signal receiving end of said sensor assembly (19) is connected with the signal output part of said transfusion state monitoring sensor (5) with level monitoring pick off (6) respectively; Said display module (29) is to the display terminal output image signal; Said communication module (21) is sent signal of communication to said communication terminal (10); Said warning main control module (22) sends alarm signal to said alarm (9); Said motor control module (20) command signal outfan is connected with the command signal receiving terminal of said drive motors, and the input signal receiving terminal of said transfusion controller (7) also connects the keyboard input terminal.

9. intelligent and safe transfusion device according to claim 7; It is characterized in that: what said transfusion controller (7) comprised single-chip microcomputer (19) and periphery thereof is sensor assembly (19), motor control module (20), display module (29), communication module (21) and warning main control module (22); The signal receiving end of said sensor assembly (19) is connected with the signal output part of said transfusion state monitoring sensor (5) with level monitoring pick off (6) respectively; Said display module (29) is to the display terminal output image signal; Said communication module (21) is sent signal of communication to said communication terminal (10); Said warning main control module (22) sends alarm signal to said alarm (9); Said motor control module (20) command signal outfan is connected with the command signal receiving terminal of said drive motors, and the input signal receiving terminal of said transfusion controller (7) also connects the keyboard input terminal.

10. intelligent and safe transfusion device according to claim 8 is characterized in that: said transfusion state monitoring sensor (5) and level monitoring pick off (6) adopt optical pickocff.

11. intelligent and safe transfusion device according to claim 9 is characterized in that: said transfusion state monitoring sensor (5) and level monitoring pick off (6) adopt optical pickocff.

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