Alarm for infusion
Technical field
The present invention relates to a kind of alarm for infusion that can send out prompting automatically after the liquid stream in infusion bag is complete, belong to
The optimisation technique of infusion.
Background technology
Existing infusion bottle is broadly divided into two major class, and one kind is the packed infusion bottle of Soft Roll, and such as polypropylene infusion bag is a kind of
It is the bottled infusion bottle of hard, such as glass infusion bottle.The packed infusion bottle of Soft Roll is in infusion process, since infusion bag can be shunk,
When the liquid in bag is dripped to by upper tubing in pot, since the liquid in bag is reduced, the air pressure in bag will be less than the external world,
External atmosphere pressure will flatten sack accordingly, keep the air pressure inside and outside bag consistent.Therefore, it is provided only in infusion bag defeated
Liquid pipe, the liquid in infusion bag is flowed to by upper tubing in drop pot, then is input to human body by lower infusion tube.
It drips pot and is equipped with tracheae, tracheae is equipped with gas cap, and gas cap is unscrewed before infusion, and proficiency reflexed drips the infusion of pot hypomere
Pipe gently squeezes drop pot on the other hand, the air in drop pot is made to be squeezed away a part, will form negative pressure in drop pot when loosing one's grip, make
Liquid in infusion bag enters drop pot, when making that liquid level reaches 1/2~2/3 in drop pot, decontrols lower infusion tube, liquid enters lower infusion
Pipe, and inner air tube is pushed to be discharged, after liquid oozes two or three drop from transfusion needle, just the air in lower infusion tube is exhausted,
Gas cap is tightened, so that drop pot is isolated with outside air, transfusion needle is inserted on the remaining needle of patient, it is established that the access of infusion.
In infusion process, patient or its family members, it is necessary to which the progress for the infusion that keeps one's eyes open works as liquid if processing is not in time
Face drops to drop pot hereinafter, air is possible to enter blood, when the air for entering human body reaches a certain amount, it is possible to lead
Air embolism is caused, pain is brought to patient.Blood may also can be flow backwards along woven hose, and panic mood is brought to patient.
Since transfusion time is long, generally more than half an hour, patient or family members to notice infusion progress at any time, gives patient and family
Category all brings pressure, so that patient is rested from feeling at ease, makes family members are busy also can't get away.Especially those are wanted with defeated more bottles daily
For liquid, the patient and its family members that will be infused daily, the infusion progress that keeps one's eyes open is the thing that part is laboured and toil with mind and body.Allow nurse
Or nurse notice infusion progress also unrealistic, a usual nurse or nurse, while multiple sufferers in multiple wards are nursed, such as
Fruit is not reminded timely, can not accomplish timely processing.
It is looked after it is, thus, sought for one kind not needing special messenger, the defeated of alarm can be sent out automatically when infusion is soon completed
Liquid device.
Invention content
Special messenger is not needed the object of the present invention is to provide one kind to look after, and can send out alarm automatically when infusion is soon completed
Infusion device.
The technical scheme is that:Alarm for infusion 1 hangs over and is used in infusion bag 2, includes mainly snap ring 11, fuselage
12;Fuselage 12 is equipped with air admission hole and connects mouth 13, and air flue is equipped in fuselage, and one end of air flue is communicated with mouth 13 is connect, and the other end is set
There is pressure sensor;Warning device and control device are additionally provided in fuselage;3 one end of tracheae is communicated with the gas nozzle of drop pot 4, the other end
It is socketed in and connects on mouth 13;The signal of pressure sensor passes to control device by signal wire, and control device is to pressure sensor
The pressure signal transmitted is analyzed and determined;When pressure signal reaches advance less than preset parameter value or pressure signal
The parameter value of setting, but duration at N seconds hereinafter, control device will not open warning device alarm;When pressure signal is held
Continue N seconds or more and pressure signal meets or exceeds preset parameter value, control device is opened warning device alarm, reminded
Sufferer and nurse's infusion will be completed;Alarm for infusion 1 hangs over the lower section of infusion bag 2 by snap ring 11, and control device is also and hospital
Nurse call system combine, control device open warning device warning reminding sufferer when, also exhaled by hospital nurse
It is system, alarm signal is directly issued into nurse.
Snap ring 11 is the annular of a side opening, and snap ring is stuck on the bottleneck of infusion bag;It is equipped in the lower edge of snap ring downward
The lower edge of the link block 14 of extension, link block is connected with the roof of fuselage 12, and fuselage is made to hang over below snap ring.
When snap ring is stuck on bottleneck, fuselage is located at below bottle neck.
In fuselage towards infusion tube seat 15 is equipped on the end face of upper tubing 5, infusion tube seat is semicircle, is had a diameter larger than
The diameter of upper tubing;In use, upper tubing is located in infusion tube seat.
Advantageous effect
1, alarm for infusion by tracheae with drop pot be connected, after the liquid stream in infusion bag is complete, drop pot in liquid after
It is continuous to be defeated by human body, negative pressure will be generated in drop pot, the pressure sensor in alarm for infusion can be by pressure signal transmission to control
Device processed reaches preset parameter value when pressure signal continues N seconds or more and/or pressure signal, and control device will be beaten
Warning device of boiling is alarmed, and reminds sufferer and nurse's infusion that will complete, using alarm for infusion, it is not necessary to special messenger be arranged to check infusion
Progress alleviates sufferer and the pressure of family members, and the work of nurse is made also more efficiently, to reduce the time for checking waste in advance,
Also accordingly reduce the liquid for replacing waste in advance.
Description of the drawings
Fig. 1 is main structure diagram of the present invention in application state;
Fig. 2 is the explosive view of Fig. 1;
Fig. 3 is the main structure diagram of the present invention;
Fig. 4 is one embodiment of the present of invention.
Specific implementation mode
As shown in Figure 1, Figure 2 and Figure 3, alarm for infusion 1 hangs over and is used in infusion bag 2, includes mainly snap ring 11, fuselage
12;Fuselage 12 is equipped with air admission hole and connects mouth 13.
Air flue is equipped in fuselage, one end of air flue is communicated with mouth 13 is connect, and the other end is equipped with pressure sensor;It is also set in fuselage
There are warning device and control device.3 one end of tracheae is communicated with the gas nozzle of drop pot 4, and the other end, which is socketed in, to be connect on mouth 13;Pressure sensing
The signal of device passes to control device by signal wire.
Liquid in infusion bag flows into drop pot 4 by upper tubing 5 down, and since infusion bag can be shunk, liquid flows away
When so that air pressure in bag is less than the external world, external atmosphere pressure will flatten infusion bag accordingly, and inside and outside air pressure is made to keep
Unanimously, so that liquid is can continue to rhythmically drop and enter drop pot 4, then the lower infusion tube 6 by being communicated with drop pot is conveyed to people
Body in the infusion process before liquid stream in infusion bag is complete, drips the liquid for remaining certain capacity in pot, generally takes up
Drip 1/2 to the 2/3 of pot capacity.The liquid for keeping certain capacity in pot is dripped, can not only prevent upper tubing dropping liquid from leading not in time
The air in drop pot is caused to enter blood vessel, moreover it is possible to continue have liquid to input blood vessel after liquid stream in infusion bag is complete, give caregiver
Member, which sets apart, replaces infusion bag.
Liquid in drop pot 4 flows into lower infusion tube 6, and the pressure balance in drop pot is made to be broken, and the air above liquid becomes
Thin, formation negative pressure is obtained, at this moment, since tracheae 3 is communicated with drop pot, the air in tracheae 3 also thins out, and forms negative pressure, into
And the pressure balance of pressure sensor is broken, output pressure signal is to control device.It, will due to foring negative pressure in drop pot
Liquid in the dynamic infusion bag of suction, which enters in drop pot, to be supplemented, and to make the pressure in drop pot reach balance, pressure signal disappears.
When control device receives the pressure signal that pressure sensor is passed back, control device analyzes and determines signal, when
Pressure signal be less than preset parameter value, although or pressure signal reach preset parameter value, duration
At N seconds hereinafter, control device will not all open warning device alarm.
When the liquid stream in infusion bag is complete, the liquid in drop pot also will continue to convey toward human body under gravity, drop
Pot herb liquid is reduced, and the liquid not from infusion bag instills supplement, and the pressure balance dripped in pot will be broken, on liquid
Side air thin out, formed negative pressure, correspondingly, due to tracheae 3 with drip pot communicate, the air in tracheae 3 also thins out,
Negative pressure is formed, and then the pressure balance of pressure sensor is broken, output pressure signal is to control device.With the medicine in drop pot
Liquid is reduced, and the signal that pressure sensor passes to control device is more and more stronger.
When control device detects that the pressure signal from pressure sensor continues N seconds or more and/or pressure signal reaches
Or be more than preset parameter value, control device will open warning device alarm, remind sufferer and nurse's infusion will be complete
At, it is necessary to timely processing.
Control device can also be combined with the nurse call system of hospital, and control device opens warning device alarm
When reminding sufferer, additionally it is possible to by the original nurse call system of hospital, alarm signal directly be issued nurse.
The control device selects microcontroller or industrial personal computer or PLC programmable controller.Programming personnel passes through in monolithic
Programming is to realize above-mentioned logical relation on machine or industrial personal computer or PLC programmable controller.Pressure sensor passes through signal wire and control
Device processed is connected, and signal is passed to control device, and control device is connected by signal wire with warning device, handle when needing to alarm
Signal passes to warning device alarm, and control device is connected by signal wire and hospital original nurse call system, alarming
Signal passes to former nurse call system, and alarm signal is issued nurse by former nurse call system.
It is used as shown in figure 3, alarm for infusion 1 hangs over 2 lower section of infusion bag, snap ring 11 is the annular of a side opening, snap ring
It is stuck on the bottleneck of infusion bag;It is equipped with the link block 14 extended downwardly, the lower edge and fuselage of link block in the lower edge of snap ring
12 roof is connected, and fuselage is made to hang over below snap ring.
When snap ring is stuck on bottleneck, fuselage is located at below bottle neck.
As shown in Figure 4, additionally it is possible to which, in fuselage towards setting infusion tube seat 15 on the end face of upper tubing 5, infusion tube seat is
Semicircle has a diameter larger than the diameter of upper tubing;In use, upper tubing is located in infusion tube seat, help to stablize upper defeated
Liquid pipe and drop pot reduce upper tubing and drip the shaking of pot.
Using alarm for infusion, it is not necessary to arrange special messenger to check infusion progress again, alleviate sufferer and the pressure of family members, sufferer
It can feel at ease to rest, family members are busy can also to settle down to handle.Make the work of nurse also more efficiently, reduce check in advance it is defeated
The time of liquid progress waste, also accordingly reduce liquid waste caused by replacing in advance.
The warning device selects buzzer or the light of flicker.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field makes a variety of changes or substitutes in the essential scope of the present invention, should also belong to the guarantor of the present invention
Shield.