CN109925570A - Portable electric infusion device - Google Patents
Portable electric infusion device Download PDFInfo
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- CN109925570A CN109925570A CN201910339059.6A CN201910339059A CN109925570A CN 109925570 A CN109925570 A CN 109925570A CN 201910339059 A CN201910339059 A CN 201910339059A CN 109925570 A CN109925570 A CN 109925570A
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- 238000001802 infusion Methods 0.000 title claims abstract description 105
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 239000003814 drug Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims description 80
- 230000008961 swelling Effects 0.000 claims description 27
- 230000037361 pathway Effects 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 10
- 230000001256 tonic effect Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002184 metal Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 229940079593 drug Drugs 0.000 description 7
- 241001411320 Eriogonum inflatum Species 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention belongs to infusion techn fields, provide a kind of Portable electric infusion device.The present invention includes medicine bottle assembly, infusion pump assembly and infusion pipe assembly;The medicine bottle assembly includes bottle body and separator, the separator is set to the bottle intracavity, and the inner cavity of the bottle body is divided into air cavity and sap cavity by the separator, when the state of the separator changes, become larger with the volume of the air cavity, the volume of the sap cavity becomes smaller;The air cavity is connected to the infusion pump assembly, and the sap cavity is connected to the infusion pipe assembly, and by being infused, pump assembly conveys air into air cavity, and then makes the volume expansion of air cavity, and the volume of sap cavity becomes smaller, and medical fluid is pushed out sap cavity, is finally delivered to human body.In infusion process, medicine bottle does not have to raise, and medicine bottle can be carried around, and keep patient activity freer, medicine bottle any angle can be put into pocket, in knapsack, in handbag, the multiple carrying modes such as be stuck in loins, be bundled on shoulder.
Description
Technical field
The present invention relates to infusion techn fields, and in particular to a kind of Portable electric infusion device.
Background technique
Traditional infusion model is so that medical fluid is flowed downward using gravity, and then inject human body, its shortcoming is that must
Medicine bottle must be made to be higher than human body a certain distance, keep patient handicapped, injection speed adjustable range is small, and emergency is quickly given
It must also be pressurizeed using inflating bag when medicine.And the equipment being infused currently with outside resources, cost is high, and bulky, operation is multiple
Miscellaneous, patient can not conveniently move freely.
Summary of the invention
For the defects in the prior art, the present invention provides Portable electric infusion device, by infusion pump assembly to gas
Intracavitary conveying air, allows air cavity volume to become larger, so that the separator between air cavity and sap cavity pushes medical fluid, medical fluid passes through defeated
Liquid pipe assembly enters human body, in order to which the position that bottle body is placed can be more flexible, hang on one's waist, is placed on knapsack or clothes
Pocket is ok.
In order to achieve the above objectives, Portable electric infusion device provided by the invention, including medicine bottle assembly, infusion pump assembly
With infusion pipe assembly;The medicine bottle assembly includes bottle body and separator, and the separator is set to the bottle intracavity, it is described every
The inner cavity of the bottle body is divided into air cavity and sap cavity by off member, when the state of the separator changes, with the air cavity
Volume becomes larger, and the volume of the sap cavity becomes smaller;The air cavity is connected to the infusion pump assembly, the sap cavity and the perfusion tube
Assembly connection.
The technical principle of this programme is as follows:
Medicine bottle assembly in this programme is adopted as disposably, and medical fluid just installs in bottle body when factory, and medical fluid is located at
In sap cavity, generally for convenient transportation, the medical fluid in sap cavity will not be completely filled up, and portion of air can be remained in sap cavity, is made
With when need air to discharge, specifically first infusion pipe assembly and bottle body are connected, it is then that the bottleneck of bottle body is upward, lead to
It crosses infusion pump assembly to drive to gas interacvity air-filling, the state of separator changes, and the volume of air cavity becomes larger, and the volume of sap cavity becomes
Small, the air in sap cavity is discharged first completely in the process, infusion pipe assembly is then inserted into human body, thereafter by infusion
For pump assembly to gas interacvity air-filling, the volume of air cavity is increasing, and the volume of sap cavity is smaller and smaller, and the medical fluid in sap cavity is defeated to human body
It send, the infusion to human body can be realized above.
The technical effect of this programme is as follows:
This programme conveys air into air cavity by pump assembly of being infused, and so that the volume expansion of air cavity is become larger, indirectly by sap cavity
Medical fluid push out, medical fluid by be infused pipe assembly enter human body.The power of liquid medicine flow is no longer rely on gravity, therefore bottle
Body place position can be more flexible, be not ok in pocket, knapsack, loins, shoulder etc., not by bottle body be placed on the crown with
On position also can be used, make patient that can also have bigger more independent activity space in infusion process.More safety and sanitation,
Infusion process Chinese medicine liquid be it is completely enclosed not with contacting external air.Structure is simple, and production cost is very low, is suitble in hospital clinic
It is widely applied.
Further, the separator is the piston for being snug fit at the bottle intracavity, piston in bottle body from bottom of bottle to
During bottleneck slides, the volume that sap cavity while the volume of air cavity becomes larger can be realized becomes smaller, and the medical fluid in sap cavity is squeezed
To infusion pipe assembly.
Further, the inner cavity of the bottle body includes several cylinder chambers arranged side by side, the both ends of the cylinder chamber respectively with
Infusion pump assembly, infusion pipe assembly connection, cylinder chamber, which is arranged side by side, can be divided into several cylinder chambers for total measurement (volume) in bottle body,
The effectively integral thickness of control bottle body, it is more convenient to carry.It is crucial that piston slides more stable, system in cylinder chamber
It is also simpler to make technique.
Further, the separator is swelling gasbag, and the blister cavities of the swelling gasbag is as the air cavity, outside the swelling gasbag
The bottle intracavity space in portion is as the sap cavity, and by being infused, pump assembly is inflated into swelling gasbag, and swelling gasbag volume becomes larger
While by the intracorporal space of squeeze bottle, i.e. the space of sap cavity becomes smaller, the medical fluid in sap cavity will along infusion pipe assembly flow to people
Body.
Further, the Nang Kou of the swelling gasbag is connected to the bottom of chamber edge of the bottle body, the chamber top inner wall of the bottle body
Equipped with diversion trench, the liquid outlet of the diversion trench from the bottle body extends to the chamber top edge of the bottle body, due to swelling gasbag
Volume is spherical structure after becoming larger, therefore by with the chamber top contact of bottle body, and the chamber top of bottle body is provided with first at the top of air bag
Liquid outlet during swelling gasbag volume becomes larger, will be easy to block liquid outlet, at this time the medical fluid of bottle top edge can not
It spills out, and diversion trench is set herein by air expansion bottle top edge and liquid outlet, so that the medical fluid of bottle top edge can also be smoothly
Liquid outlet, and then the discharge that the intracorporal medical fluid of bottle is cleaner are flowed to by diversion trench.
Further, the bottle body is equipped with card slot close to the side of the air cavity, and the side wall of the card slot is equipped with card hole, described
The slot bottom of card slot is equipped with the aeration aperture being connected to the air cavity;The infusion pump assembly includes the pump housing and shell, and the pump housing is set
It is placed in the shell, the shell is equipped with cohesive end, which is adapted to the card slot, and the side wall of the cohesive end is equipped with
The buckle being adapted to the card hole, the end of the cohesive end are equipped with the gas nozzle being connected to the pump housing, the gas nozzle with it is described
Aeration aperture is docked and connected, and is docked by cohesive end with the card slot of bottle body, and buckle and card hole quickly securely connect, and wherein gas nozzle docks
Aeration aperture, for infusion pump assembly by gas nozzle to gas interacvity air-filling, whole process is simple and quick, is easy to use, pump assembly phase of being infused
Medicine bottle assembly is independently arranged, entire infusion process will not be in contact with medical fluid, therefore pump assembly of being infused may be reused,
Reduce use cost.
Further, the pump housing includes big flow air pump and small flow air pump;The big flow air pump and small flow air pump
It is connected to the gas nozzle;The infusion pump assembly further includes controller and battery, and the controller and the battery are electric
Even, the big flow air pump is electrically connected by first switch to the controller, and the small flow air pump is electrically connected by second switch
It is needed at this time due to needing that the air in sap cavity is quickly discharged during use using big stream to the controller
Air pump is measured, and after draining net air, it is also necessary to medical fluid is pushed into the human body by infusion pump assembly, needs small flow at this time
Air pump, common air pump are difficult to possess above two power interval simultaneously, therefore two that two power intervals of use are different
Air pump, to be capable of providing sufficiently large flow when needing big flow, need to provide when small flow it is sufficiently small and
Stable small flow.
Further, the first switch is set to the enclosure interior, and the housing sidewall corresponds to the first switch and sets
There is switch eyelet, passes through the switch eyelet and control the first switch, can prevent from unintentionally encountering exhaust in infusion process
Switch passes through switch eyelet touch switch using needlelike object when needing to be vented.
Further, the second switch is touch switch, which is set to the lower end surface of the cohesive end,
After the touch switch and card slot contact, the touch switch connection circuit, touch switch is in cohesive end connection card
When slot, automatically turn on, it is more convenient, while second switch can be closed to avoid accidentally touching.
Further, the infusion pump assembly further includes the indicator lamp groups for showing the accumulator electric-quantity, the indicator lamp groups position
In the surface of shell, indicator lamp groups are electrically connected to the controller, and the electricity of battery can be read by indicator lamp groups.
Further, the infusion pump assembly further includes having maximum administration knob, pressure switch and buzzer, maximum administration
Knob is set to the end face of the cohesive end, and the maximum administration knob, pressure switch and buzzer are connected to the control
Device.Maximum administration knob is used to control the maximum power of small flow air pump, provides excessive stream to avoid small flow air pump
Amount, endangers patient health, even if patient opens to the maximum the governor being infused on pipe assembly, is not more than infusion pump assembly
Maximum injection speed.Simultaneously be disposed on the end face of cohesive end, can to avoid patient or other, to prevent ignorant from suffering from
The excessively high adjustment injection speed of person.The air circuit connection of the pressure switch and the pump housing, when pressure switch detects air pressure pressure
Power reaches setting value, which disconnects;After pressure switch turn-off time reaching setting time, the buzzer starting.
The pressure of gas circuit can be detected by pressure switch, when air pressure is lower than setting value, small flow air pump electricity
Road connection, small flow air pump work, if air pressure is higher than setting value, small flow air pump circuit is disconnected.When being completed until being infused,
Since the intracorporal air cavity volume of bottle can not expand again, so that pressure switch disconnects the circuit of small flow air pump, small flow for a long time
After the time of air pump off-state reaches setting time, buzzer, which sounds, reminds medical staff.
Further, the infusion pipe assembly includes tube body, check valve, filter, puncture needle, governor and float-type
Meter, the liquid feeding end of the tube body are connected to the bottleneck of the bottle body, the puncture needle and the filter by the check valve
It is set to the outlet end of the tube body, the governor and the suspended body flowmeter are set to the middle part of the tube body.Check valve
Can anti-return blood, filter can filter biggish particle and enter human body, and governor can regulating liquid medicine according to the actual situation
Flow velocity, suspended body flowmeter, the speed of administration can directly be found out according to the height of float by lifting suspended body flowmeter.
Further, the liquid feeding end of the tube body and/or puncture needle is equipped with the tonic branch pipe outside connection, the tonic branch pipe
Nozzle be equipped with rubber packing plug, convenient for temporarily supplementing medical fluid by tonic branch pipe, rubber packing plug can block benefit with automatic sealing package
Medicine branch pipe.
Further, the outlet end of the bottle body is equipped with bottleneck, and the bottleneck inner wall is equipped with bottle stopper, and the outer wall of the bottleneck is set
There is screw thread.The liquid feeding end of the infusion pipe assembly upper tube body is provided with connector, and the inner wall of the connector is equipped with to be cooperated with bottleneck
Internal screw thread, is additionally provided with the syringe needle for penetrating the bottle stopper in the connector, and syringe needle is penetrated bottle stopper when use, then tightens connector
On bottleneck.
Further, the infusion pipe assembly further includes bubble filter, and filter chamber is equipped in the bubble filter;It is described
Filter chamber is feed pathway and liquid outlet channel by the partition of vertical isolation board, and the feed pathway and the liquid outlet channel are equipped with
Gas vent, the gas vent is interior to be equipped with air valve;The middle part of the isolation board is equipped with the filtrate of connection feed pathway and liquid outlet channel
Hole, the filtrate hole are equipped with hydrophilic microporous filter membrane, and the bottom of the feed pathway is equipped with inlet opening, the bottom of the liquid outlet channel
Portion is equipped with fluid hole, and the inlet opening and the fluid hole are connected on tube body;The lower inner wall of the liquid outlet channel, which is equipped with, to be received
Neck circular hole, the liquid outlet channel above the receipts neck circular hole are equipped with ball-type float, which is adapted to the receipts neck circular hole
It blocks, the liquid outlet channel received below neck circular hole is equipped with hydrophilic microporous filter membrane.
Bubble filter is kept into vertical state when this programme use, ball-type float is in liquid outlet channel, in buoyancy
Under effect, the top of liquid outlet channel is floated to automatically;
Wherein filtrate hole is equipped with hydrophilic microporous filter membrane, and hydrophilic microporous filter membrane can carry out certain filtering to air,
Play the air insulated of the first level;
Medical fluid enters feed pathway from below, enters liquid outlet channel from the filtrate hole of top, then flows out from below out
Liquid channel, if there is bubble flows into feed pathway, bubble will float to the top of cavity of resorption, and medical fluid is flowed out from liquid outlet channel downwards,
And then realize that, as the gas in filter chamber is constantly saved bit by bit, the liquid level in liquid outlet channel will be continuous by bubble and separating liquid medicine
Decline, and ball-type float will decline together with liquid level, when liquid level, which drops to, to be received at neck circular hole, ball-type float will receive neck
Circular hole block, either gas and medical fluid can not all pass through, and achieve the effect that channel is automatically closed with this, avoid gas continue to
The side of human body is flowed, and the isolation of the second level is carried out to air.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the schematic diagram of the embodiment of the present invention;
Fig. 2 is the cooperation schematic diagram of the embodiment of the present invention;
Fig. 3 is the schematic diagram of infusion pump assembly of the embodiment of the present invention;
Fig. 4 is the circuit diagram of the single-chip microcontroller of the embodiment of the present invention;
Fig. 5 is the circuit diagram of the buzzer of the embodiment of the present invention;
Fig. 6 is the circuit diagram of the relay of the embodiment of the present invention;
Fig. 7 is the circuit diagram of the indicator lamp groups of the embodiment of the present invention;
Fig. 8 is the structural schematic diagram of the embodiment of the present invention 2;
Fig. 9 is the structural schematic diagram of the embodiment of the present invention 3;
Figure 10 is structural schematic diagram when having diversion trench swelling gasbag volume just to become larger of the embodiment of the present invention 3;
Figure 11 has diversion trench swelling gasbag just to contact the structural schematic diagram at liquid outlet for the embodiment of the present invention 3;
Figure 12 is the structural schematic diagram of the embodiment of the present invention 3 just contacted at liquid outlet without diversion trench swelling gasbag;
Figure 13 is the bottleneck of the embodiment of the present invention 4 and the schematic diagram of connector;
Figure 14 is 5 bubble filter schematic diagram of the embodiment of the present invention;
Figure 15 is the schematic diagram of the memory metal sheet low temperature form of the embodiment of the present invention 6;
Figure 16 is the schematic diagram of the memory metal sheet high temperature form of the embodiment of the present invention 6.
Appended drawing reference:
Bottle body 1, tube body 2, shell 3, indicator lamp groups 4, buckle 5, switch eyelet 6, check valve 7, tonic branch pipe 8, governor
9, suspended body flowmeter 10, battery 11, filter 12, puncture needle 13, sap cavity 14, piston 15, aeration aperture 16, card slot 17, card hole
18, second switch 19, air cavity 20, gas nozzle 21, maximum administration knob 22, cohesive end 23, first switch 24, small flow air pump 25,
Big flow air pump 26, controller 27, bubble filter 28, liquid outlet channel 29, feed pathway 30, filtrate hole 31, hydrophilic microporous
Filter membrane 32, receives neck circular hole 34, gas vent 35, air valve 36, inlet opening 37, fluid hole 38, box body 39, electrothermal resistance at ball-type float 33
Silk 40, memory metal sheet 41, push switch 42, isolation board 43, cylinder chamber 44, swelling gasbag 45, diversion trench 46, the first connector
47, rubber stopper 48, the second connector 49, syringe needle 50.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.It should be noted that unless otherwise indicated, technical term or scientific term used in this application are should be belonging to the present invention
The ordinary meaning that field technical staff is understood.
Embodiment 1:
As depicted in figs. 1 and 2, the embodiment of the present invention includes medicine bottle assembly, infusion pump assembly and infusion pipe assembly.
The medicine bottle assembly includes bottle body 1 and separator, and the separator is set to 1 inner cavity of bottle body, the isolation
The inner cavity of the bottle body 1 is divided into air cavity 20 and sap cavity 14 by part, when the state of the separator changes, with the air cavity
20 volume becomes larger, and the volume of the sap cavity 14 becomes smaller, and the separator is piston 15, and the piston 15 is snug fit at institute
The inner cavity of bottle body 1 is stated, which is divided into air cavity 20 and sap cavity 14 for the inner cavity of the bottle body 1.
The air cavity 20 is connected to the infusion pump assembly, and the bottle body 1 is equipped with card slot close to the side of the air cavity 20
17, the side wall of the card slot 17 is equipped with card hole 18, and the slot bottom of the card slot 17 is equipped with the aeration aperture 16 being connected to the air cavity 20.
Specific structure is the tail end in bottle body 1 equipped with end cap herein, is sealed by tail end of the end cap to bottle body 1, easy to produce
When addition medical fluid and piston 15, wherein card slot 17 and card hole 18 are all set on the end cap.
The infusion pump assembly includes the pump housing, shell 3, controller 27, battery 11, knob 22 is administered in maximum, pressure is opened
It closes, the indicator lamp groups 4 of buzzer and display 11 electricity of battery.
The pump housing is set in the shell 3, and shell 3 includes the upper housing mutually fastened and lower case, the shell 3
Equipped with cohesive end 23, which is adapted to the card slot 17, and the side wall of the cohesive end 23 is equipped with suitable with the card hole 18
The buckle 5 matched, the end of the cohesive end 23 are equipped with the gas nozzle 21 being connected to the pump housing, the gas nozzle 21 and the aeration aperture
16 are docked and connected, and are docked by cohesive end 23 with the card slot 17 of bottle body 1, buckle 5 and the quickly securely connection of card hole 18, wherein gas nozzle
21 docking aeration apertures 16, infusion pump assembly are inflated by gas nozzle 21 into air cavity 20, and infusion pump assembly is independent with respect to 1 assembly of bottle body
Setting, entire infusion process will not be in contact with medical fluid, therefore pump assembly of being infused may be reused, and reduce use cost.
As shown in figure 3, the pump housing includes big flow air pump 26 and small flow air pump 25, big flow air pump 26 goes out throughput
For 100-300ml/min, the present embodiment is using 250ml/min, model are as follows: MPA2001S;Small flow air pump 25 goes out air-flow
The air pump for equally using model MPA2001S in 2-16ml/min, the present embodiment is measured, but its motor is changed to
ZWBPD006006-23 decelerating motor, to achieve the effect that small flow.
The big flow air pump 26 and small flow air pump 25 are connected to the gas nozzle 21;The controller 27 and the storage
Battery 11 is electrically connected, and the big flow air pump 26 is electrically connected by first switch 24 to the controller 27, the small flow air pump 25
It is electrically connected by second switch 19 to the controller 27, due to needing quickly to arrange the air in sap cavity 14 during use
Completely, it needs at this time using big flow air pump 26, and after draining net air, it is also necessary to medical fluid is pushed by infusion pump assembly
Into the human body, it needing at this time using small flow air pump 25, common air pump is difficult to possess above two power interval simultaneously, because
This two air pump different using two power intervals, to be capable of providing sufficiently large flow when needing big flow,
Need to provide sufficiently small and stable small flow when small flow.
Air discharge cook is unintentionally encountered in infusion process in order to prevent, the first switch 24 is set in the shell 3
Portion, 3 side wall of shell correspond to the first switch 24 and are equipped with switch eyelet 6, control described first across the switch eyelet 6
Switch 24 passes through switch 6 touch switch of eyelet using needlelike object when needing to be vented.
Second switch 19 is closed in order to avoid accidentally touching, the second switch 19 is touch switch, which sets
It is placed in the lower end surface of the cohesive end 23, after the touch switch and the contact of card slot 17, i.e., touch switch connects with end cap
Touching, the touch switch connection circuit, touch switch automatically turn on, more when cohesive end 23 connects card slot 17
It is convenient.
The indicator lamp groups 4 are located at 3 surface of shell, and indicator lamp groups 4 are electrically connected to the controller 27, pass through indicator light
Group 4 can read the electricity of battery 11.
The maximum administration knob 22 is set to the end face of the cohesive end 23, and the maximum administration knob 22, pressure are opened
It closes and buzzer is connected to the controller 27.Maximum administration knob 22 is used to control the maximum function of small flow air pump 25
Rate provides excessive flow to avoid small flow air pump 25, endangers patient health, though patient by be infused pipe assembly on tune
Fast device 9 opens to the maximum, and is not more than the maximum injection speed of infusion pump assembly, and maximum administration knob 22 is potentiometer rotation
Button.Simultaneously be disposed on the end face of cohesive end 23, can to avoid patient or other, to prevent ignorant patient excessively high
Adjust injection speed.Pressure switch can realize that the present embodiment is used using mechanical pressure switch or force sensing resistance circuit
Pressure switch when mechanical, model KBQ-02C, the air circuit connection of the pressure switch and the pump housing, when pressure switch detects
Reach setting value to atmospheric pressure, which disconnects;After pressure switch turn-off time reaching setting time, the buzzing
Device starting.
The air pressure of gas circuit can be detected by pressure switch, when air pressure is lower than setting value, pressure switch connection electricity
Road, small flow air pump 25 work;When air pressure is higher than setting value, pressure switch disconnecting circuit.Above-mentioned pressure switch disconnects or connects
Lead to and alternately and repeatedly carried out in actual use process, when being completed until being infused, since 1 inner piston 15 of bottle body can not be transported down again
Dynamic, piston 15 can not move, and air pressure increases, and pressure switch disconnects the circuit of small flow air pump 25, and the small flow air pump 25 stops
It only works, after the time of pressure switch disconnecting circuit reaches setting time, buzzer, which sounds, reminds medical staff.Pass through monolithic
The timer integrated in machine realizes airline pressure after the setting value time reaches setting time, and control buzzer sounds, the function
For existing conventional techniques, details are not described herein.
The pump housing, battery 11, buzzer, pressure switch, indicator lamp groups 4 are electrically connected to the controller 27, controller 27
Model STM32F103C8T6.Circuit detail drawing is shown in attached drawing 4- Fig. 7.Small flow air pump end and contact relay, when pressure switch is closed
It closes, relay closure, when pressure switch disconnects, relay is disconnected, and embodiment pressure is synchronized using the moving together contact of relay and is opened
Close the variation of contact.Board size 40*20 is detected, MCU is grounded using common STM32F103C8T6 on the market, relay one end,
One end connects single-chip I/O mouth, and I/O port is configured to pull-mode.It will start the timer of a 1ms inside program, when normal work,
Relay be attracted, contact closure, I/O port is low level, at this point, timer current value can by constantly clear 0, when pressure switch disconnect,
Small flow air pump power loss, relay disconnect, and I/O port is high level, and timer current value will not be emptied, when aggregate-value reaches 2 points
When clock, buzzer warning is driven.When restoring to work normally, relay is attracted, and contact closure, I/O port is low level, fixed
When device current value by clear 0, buzzer not will call the police.It is this field routine techniques about the circuit connection, therefore in the present embodiment
In repeat no more.
The sap cavity 14 is connected to the infusion pipe assembly, and the infusion pipe assembly includes tube body 2, check valve 7, filter
12, puncture needle 13, governor 9 and suspended body flowmeter 10, the liquid feeding end of the tube body 2 are connected to described by the check valve 7
The bottleneck 47 of bottle body 1, the puncture needle 13 and the filter 12 are set to the outlet end of the tube body 2,9 He of governor
The suspended body flowmeter 10 is set to the middle part of the tube body 2.Check valve 7 can anti-return blood, filter 12 can filter compared with
Big particle enters human body, governor 9 can regulating liquid medicine according to the actual situation flow velocity, suspended body flowmeter 10 lifts float
Flowmeter 10 can directly find out the speed of administration according to the height of float.Check valve 7, filter 12, governor 9 and float
Flowmeter 10 is existing conventional techniques, and details are not described herein.
The tube body 2 is equipped with the liquid feeding end of puncture needle 13 and is connected to external tonic branch pipe 8, the pipe of the tonic branch pipe 8
Mouth is equipped with rubber packing plug, and convenient for temporarily supplementing medical fluid by tonic branch pipe 8, rubber packing plug can block tonic branch with automatic sealing package
Pipe 8.
Air is conveyed into air cavity 20 by pump assembly of being infused by this programme, and then pushes the piston 15 in bottle body 1
Mobile, piston 15 pushes medical fluid to enter human body by pipe assembly of being infused.The power of liquid medicine flow is no longer rely on gravity, therefore bottle
The position that body 1 is placed can be more flexible, is not ok in pocket, knapsack, loins, shoulder etc., bottle body 1 is not placed on the crown
Above position also can be used, and make patient that can also have bigger more independent activity space in infusion process.More safety is defended
It is raw, infusion process Chinese medicine liquid be it is completely enclosed not with contacting external air.Structure is simple, and production cost is very low, is suitble in hospital
Clinic is widely applied.
The medical fluid of bottle body 1 is pre-installed by producer in this programme, makes the volume change of sap cavity 14 to maximum for piston 15 is mobile, i.e.,
Piston 15 is moved to the position of the top in figure, so that medical fluid is covered with sap cavity 14 and (can reserve certain air in actual production to exist
It is internal), use when, is inflated by infusion pump assembly to air cavity 20 so that air cavity 20 expands, piston 15 to sap cavity 14 one
Side is mobile, first discharges the air in sap cavity 14, puncture needle 13 is then inserted into human body, then medical fluid is released sap cavity 14, medicine
Liquid enters human body by tube body 2.
It has the advantage that
1. it is small in size portable, infusion bottle any angle can be packed into pocket, handbag, be tied up on arm, or card
The equal multiple carrying modes on waistband.
2. providing maximum safe administration speed, nurse sets up maximum injection speed, even if patient will be infused on pipe assembly
Governor 9 open to the maximum, be not more than nurse setting maximum injection speed, the tune for effectively preventing ignorant patient excessively high
Whole injection speed.Infusion pump assembly stops to gas after medical fluid is finished, and buzzing prompts, and finds that patient in time.It is much cleaner more to pacify
Entirely, infusion process Chinese medicine liquid be it is completely enclosed not with contacting external air.
3. regulating flow quantity range is bigger, potentiometer knob is administered by maximum knob, to adjust to small flow air pump
The magnitude of current, so that it may setting allow be administered maximum speed in emergency circumstances can also quickly be given without infusion pressurization bag
Medicine.
4. understandable easy to operate, main component is divided into infusion pump assembly, medicine bottle assembly and infusion pipe assembly, and when infusion need to only connect
Infusion pump assembly is buckled on liquid bottle by upper tubing assembly, can be with by the graduation mark on infusion pipe assembly flow meter
Directly find out injection speed.
5. overall structure is simple, cheap, easy to produce, it is easy to realize, the service life is long, and power section is only by battery
11, the composition such as pump housing, since infusion pump assembly discord medical fluid contact is reusable.
Use operating procedure:
1. connecing infusion pipe assembly on bottleneck 47.
2. mixing up allows the most fast to speed of infusion, infusion pump assembly is loaded onto.
3. upward by bottleneck 47, pressing air discharge cook, air is discharged, and medical fluid is made to be covered with tube body.
4. shutting the governor 9 on infusion pipe assembly.
5. giving patient venipuncture.
6. opening the governor 9 on infusion pipe assembly, lift suspended body flowmeter 10, observe suspended body flowmeter 10, mix up to
Medicine speed.
7. after the completion of infusion, closing the governor 9 on infusion pipe assembly, pulling out needle, remove infusion pump assembly, by medicine bottle assembly
It abandons with infusion pipe assembly into dustbin.
Note: when if necessary to primary defeated more bottle liquid medicines, the operation to all sap cavities exhaust and dressing need to be added.
Operation to the exhaust of all sap cavities: according to 1-3 step to the exhaust of all sap cavities can (last non-bottle be not necessarily to medical fluid
It is covered with tube body, is finally vented to the first bottle liquid medicine of patient fluid infusion, last bottle of exhaust is completed not remove infusion pipe assembly, connects
The operation of carry out step 4).
The operation of dressing: first closing governor 9 when dressing, then infusion pipe assembly is connected on next bottle of medicine bottle assembly,
Infusion pump assembly is snapped on next bottle of medicine bottle assembly again, then carries out step 6 operation, completes dressing operation.
Embodiment 2:
As shown in figure 8, comparing embodiment 1, the inner cavity of bottle body is improved, the distinctive points of embodiment 2 are the bottle
The inner cavity of body 1 includes several cylinder chambers 44 arranged side by side, the both ends of the cylinder chamber 44 respectively with infusion pump assembly, perfusion tube
Assembly connection.I.e. the both ends of cylinder chamber 44 are connected to aeration aperture 16, liquid outlet respectively.It in this way can be by bottle body 1
Thickness do it is thin, it is more convenient to carry, piston can also be divided into multiple small pistons 15, piston sliding is more stable.
Embodiment 3:
As shown in Fig. 9-Figure 12, embodiment 1 is compared, the separator of embodiment 2 uses swelling gasbag 45, the swelling gasbag 45
Blister cavities as the air cavity, the bottle intracavity space outside the swelling gasbag 45 is as the sap cavity.Among swelling gasbag 45
Thickness can prevent swelling gasbag 45 from expanding bottle intracavity out from air inlet or liquid outlet.
Spherical structure after becoming larger due to 45 volume of swelling gasbag, at the top of swelling gasbag 45 will first with bottle body 1
Chamber top contact, and the chamber top of bottle body 1 be provided with liquid outlet, during 45 volume of swelling gasbag becomes larger, will be easy to go out
Liquid mouth is blocked, and can not be spilt out in the medical fluid of bottle top edge at this time, therefore the Nang Kou of the swelling gasbag 45 is connected to described
The bottom of chamber edge of bottle body 1, the chamber top inner wall of the bottle body 1 are equipped with diversion trench 46, and the diversion trench 46 extends from the liquid outlet
To the chamber top edge of the bottle body 1.In order to solve the above technical problems, it is also not limited to and is led in the setting of the inner cavity of bottle body 1 top
Several groups convex ribs can also be arranged in the outer wall of swelling gasbag 45 in chute 46, and every group of convex ribs are set side by side two, two convex ribs shapes
At the channel for flowing to liquid outlet for medical fluid, which needs the chamber top setting of corresponding bottle body 1, ejects from 1 inner top of bottle body to chamber
Liquid mouth moves towards arrangement.In addition it can be arranged to curved surface by the chamber top edge of bottle body 1 or be arranged to internal aperture gradually become
Small structure, so that the process that 45 volume of swelling gasbag becomes larger will not block liquid outlet, and then the medical fluid in bottle body 1 is cleaner
Discharge, avoid liquid waste.
Embodiment 4:
As shown in figure 13, embodiment 1 is compared, also have following technical characteristic in the present embodiment: the outlet end of bottle body 1 is equipped with
Bottleneck 47,47 inner wall of bottleneck are equipped with bottle stopper 48, and the outer wall of bottleneck 47 is equipped with screw thread.Liquid feeding end setting on infusion pipe assembly
There is connector 49, the inner wall of the connector 49 is equipped with the internal screw thread cooperated with bottleneck 47, is additionally provided with described in penetrating in the connector 49
The syringe needle 50 of bottle stopper 48, connector 49 is connected to by check valve 7 with tube body, while the tonic branch pipe 8 is provided on connector 49,
Syringe needle 50 is penetrated into bottle stopper 48 when use, then tightens connector 49 on bottleneck 47.
Embodiment 5:
As shown in figure 14, on the basis of embodiment 1, infusion pipe assembly described in the present embodiment further includes bubble filter
28, bubble filter 28 is kept into vertical state when use, is equipped with filter chamber in the bubble filter 28, medical fluid is in mistake
Filter chamber is separated with gas.
The filter chamber is feed pathway 30 and liquid outlet channel 29, the feed pathway 30 by the partition of vertical isolation board 43
It is equipped with gas vent 35 with the liquid outlet channel 29, is equipped with air valve 36 in the gas vent 35.
The middle part of the isolation board 43 is equipped with the filtrate hole 31 of connection feed pathway 30 and liquid outlet channel 29, and medical fluid is from below
Into feed pathway 30, liquid outlet channel 29 is entered from the filtrate hole 31 of top, then flows out liquid outlet channel 29 from below, it is described
Filtrate hole 31 is equipped with hydrophilic microporous filter membrane 32, and wherein filtrate hole 31 is equipped with hydrophilic microporous filter membrane 32, hydrophilic microporous filter membrane
32 can carry out certain filtering to air, play the air insulated of the first level, and hydrophilic microporous filter membrane 32 is a kind of porous
The membrane filtration material of property, the micropore of the relatively uniform penetrability of pore-size distribution, microporosity are up to 80 ‰ absolute hole diameter;
The bottom of the feed pathway 30 is equipped with inlet opening 37, and the bottom of the liquid outlet channel 29 is equipped with fluid hole 38, institute
It states inlet opening 37 and the fluid hole 38 is connected on tube body;The lower inner wall of the liquid outlet channel 29, which is equipped with, receives neck circular hole, should
The liquid outlet channel 29 for receiving 34 top of neck circular hole is equipped with ball-type float 33, which is adapted to the receipts neck circular hole 34
It blocks, ball-type float 33 is in liquid outlet channel 29, under buoyancy, floats to the top of liquid outlet channel 29, the receipts automatically
The liquid outlet channel 29 of 34 lower section of neck circular hole is equipped with hydrophilic microporous filter membrane 32.
If there is bubble flows into feed pathway 30, bubble will float to the top of cavity of resorption, and medical fluid is downwards from liquid outlet channel 29
Outflow, and then realize bubble and separating liquid medicine, as the gas in filter chamber is constantly saved bit by bit, the liquid level in liquid outlet channel 29
To constantly it decline, and ball-type float 33 will decline together with liquid level, when liquid level, which drops to, to be received at neck circular hole 34, ball-type
Float 33 is blocked neck circular hole 34 is received, and either gas and medical fluid can not all pass through, and achievees the effect that channel is automatically closed with this,
It avoids gas from continuing to flow to the side of human body, the isolation of the second level is carried out to air.
Embodiment 6:
As shown in Figure 15 and Figure 16, on the basis of embodiment 2, the present embodiment further includes having heating device, the heating
Device includes box body 39, and the box body 39 is equipped with the heating tank of inlay card tube body, and the heating tank is externally provided with electrothermal resistance silk 40, described
Wherein side is equipped with memory metal sheet 41 in heating tank, and the memory metal sheet 41 includes free end and is connected to the heating tank
Fixing end, the high temperature form of the memory metal sheet 41 is V-structure, and the position arched upward of the V-structure is to the tube body
Against the low temperature form of the memory metal sheet 41 is vertical bar type.
Under the condition of high temperature, since 41 low temperature form of memory metal sheet is V-structure, and the position arched upward is against pipe
Body, therefore in the state of room temperature, is squeezed tube body by memory metal sheet 41 flat, is separated tube body with this, is avoided excessively high temperature
Medical fluid flows to human body after degree heating;When medical fluid flows through the tube body at memory metal sheet 41, flowing will take away part note
Recall the heat of sheet metal 41, cooled down with this to memory metal sheet 41, so that it is kept vertical bar type, avoid squeezing tube body into flat closure, no
When heating, also due to temperature is in low temperature, the form of memory metal sheet 41 is vertical bar type, and tube body will be kept unimpeded.
First by body portion in the heating tank when use, internal liquid medicine flow is allowed, due to wherein there is medicine
Liquid stream is dynamic, and memory metal sheet 41 does not have excessively high temperature, remains that vertical bar type, medical fluid can also be with smooth flows.Then by
It gradually heats, memory metal sheet 41 will not flatten tube body.
In order to avoid temperature is added excessively high by maloperation, so that memory metal sheet 41 completely will flatten tube body, heating
The push switch 42 of the other side setting control electrothermal resistance silk 40 of slot, the position that the corresponding memory metal sheet 41 of push switch 42 arches upward
Setting, when the excessively high memory metal sheet 41 of temperature arches upward tube body to be flattened, extruding force will be transmitted at push switch 42,
Push switch 42, which is under pressure, to close electrothermal resistance silk 40, achievees the purpose that control 40 heating temperature of electrothermal resistance silk with this.
In specification of the invention, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention can be with
It practices without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of Portable electric infusion device, which is characterized in that including medicine bottle assembly, infusion pump assembly and infusion pipe assembly;
The medicine bottle assembly includes bottle body (1) and separator, and the separator is set to the bottle body (1) inner cavity, the isolation
The inner cavity of the bottle body (1) is divided into air cavity (20) and sap cavity (14) by part, when the state of the separator changes, with institute
The volume for stating air cavity (20) becomes larger, and the volume of the sap cavity (14) becomes smaller;
The air cavity (20) is connected to the infusion pump assembly, and the sap cavity (14) is connected to the infusion pipe assembly.
2. Portable electric infusion device according to claim 1, which is characterized in that the separator is to be snug fit at
The piston (15) of bottle body (1) inner cavity.
3. Portable electric infusion device according to claim 2, which is characterized in that the inner cavity of the bottle body (1) includes
Several cylinder chambers (44) arranged side by side, the both ends of the cylinder chamber (44) are connected to infusion pump assembly, infusion pipe assembly respectively.
4. Portable electric infusion device according to claim 1, which is characterized in that the separator is swelling gasbag
(45), the blister cavities of the swelling gasbag (45) is as the air cavity (20), external bottle body (1) intracavity space of the swelling gasbag (45)
As the sap cavity (14).
5. Portable electric infusion device according to claim 4, which is characterized in that the Nang Kou of the swelling gasbag (45)
It is connected to the bottom of chamber edge of the bottle body (1), the chamber top inner wall of the bottle body (1) is equipped with diversion trench (46), the diversion trench
(46) the chamber top edge of the bottle body (1) is extended to from the liquid outlet of the bottle body (1).
6. Portable electric infusion device according to claim 1-5, which is characterized in that the bottle body (1) is leaned on
The side of the nearly air cavity (20) is equipped with card slot (17), and the side wall of the card slot (17) is equipped with card hole (18), the card slot (17)
Slot bottom be equipped with the aeration aperture (16) that is connected to the air cavity (20);
The infusion pump assembly includes the pump housing and shell (3), and the pump housing is set in the shell (3), and the shell (3) sets
There are cohesive end (23), which is adapted to the card slot (17), and the side wall of the cohesive end (23) is equipped with and the card
The buckle (5) of hole (18) adaptation, the end of the cohesive end (23) are equipped with the gas nozzle (21) being connected to the pump housing, the gas nozzle
(21) it is docked and connected with the aeration aperture (16).
7. Portable electric infusion device according to claim 6, which is characterized in that the pump housing includes big flow air pump
(26) and small flow air pump (25);The big flow air pump (26) and small flow air pump (25) are connected to the gas nozzle (21);
The infusion pump assembly further includes controller (27) and battery (11), the controller (27) and the battery (11)
It is electrically connected, the big flow air pump (26) is electrically connected by first switch (24) to the controller (27), the small flow air pump
(25) it is electrically connected by second switch (19) to the controller (27).
8. Portable electric infusion device according to claim 7, which is characterized in that the first switch (24) is set to
The shell (3) is internal, and shell (3) side wall corresponds to the first switch (24) and is equipped with switch eyelet (6), opens across described
It closes eyelet (6) and controls the first switch (24);
The second switch (19) is touch switch, which is set to the lower end surface of the cohesive end (23), when
After the touch switch is contacted with card slot (17), the touch switch connection circuit, the infusion pump assembly further includes showing
Show the indicator lamp groups (4) of the battery (11) electricity, which is located at the shell (3) surface, indicator lamp groups
(4) it is electrically connected to the controller (27);
The infusion pump assembly further includes having maximum administration knob (22), pressure switch and buzzer, which is administered knob
(22) it is set to the end face of the cohesive end (23), maximum administration knob (22), pressure switch and buzzer are connected to
The controller (27);
The air circuit connection of the pressure switch and the pump housing, when pressure switch detects that atmospheric pressure reaches setting value, the pressure
Power switch disconnects;After pressure switch turn-off time reaching setting time, the buzzer starting.
9. Portable electric infusion device according to claim 1, which is characterized in that the infusion pipe assembly includes tube body
(2), check valve (7), filter (12), puncture needle (13), governor (9) and suspended body flowmeter (10), the tube body (2) into
Liquid end is connected to the bottleneck (47) of the medicine bottle assembly, the puncture needle (13) and the filter by the check valve (7)
(12) it is set to the outlet end of the tube body (2), the governor (9) and the suspended body flowmeter (10) are set to the tube body
(2) liquid feeding end of middle part, the tube body (2) and/or puncture needle (13) is equipped with the tonic branch pipe (8) outside connection, the benefit
The nozzle of medicine branch pipe (8) is equipped with rubber packing plug.
10. Portable electric infusion device according to claim 1, which is characterized in that the infusion pipe assembly further includes
Bubble filter (28), the bubble filter (28) is interior to be equipped with filter chamber;
The filter chamber is feed pathway (30) and liquid outlet channel (29), the feed pathway by vertical isolation board (43) partition
(30) it is equipped with gas vent (35) with the liquid outlet channel (29), is equipped with air valve (36) in the gas vent (35);
The middle part of the isolation board (43) is equipped with the filtrate hole (31) of connection feed pathway (30) and liquid outlet channel (29), the filter
Fluid apertures (31) is equipped with hydrophilic microporous filter membrane (32), and the bottom of the feed pathway (30) is equipped with inlet opening (37), the liquid out
The bottom in channel (29) is equipped with fluid hole (38), and the inlet opening (37) and the fluid hole (38) are connected on tube body;
The lower inner wall of the liquid outlet channel (29), which is equipped with, receives neck circular hole (34), and the liquid out above the receipts neck circular hole (34) is logical
Road (29) is equipped with ball-type float (33), which is adapted to closure, the receipts neck circular hole with the receipts neck circular hole (34)
(34) liquid outlet channel (29) below is equipped with hydrophilic microporous filter membrane (32).
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CN201910339059.6A CN109925570A (en) | 2019-04-25 | 2019-04-25 | Portable electric infusion device |
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CN201910339059.6A CN109925570A (en) | 2019-04-25 | 2019-04-25 | Portable electric infusion device |
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CN110687102A (en) * | 2019-10-10 | 2020-01-14 | 四川轻化工大学 | Liquid supply and collection assembly and gas-liquid phase chemiluminescence detection system thereof |
CN111792205A (en) * | 2019-07-17 | 2020-10-20 | 璞真生活有限公司 | Container bottle and nursing instrument |
WO2021106425A1 (en) * | 2019-11-28 | 2021-06-03 | テルモ株式会社 | Infusion cartridge and infusion pump |
CN115177814A (en) * | 2022-07-28 | 2022-10-14 | 深圳市普博医疗科技股份有限公司 | Be applied to workstation of infusion pump |
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