CN109224182A - It is a kind of can real-time monitoring alarming infusion device - Google Patents
It is a kind of can real-time monitoring alarming infusion device Download PDFInfo
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- CN109224182A CN109224182A CN201811360862.XA CN201811360862A CN109224182A CN 109224182 A CN109224182 A CN 109224182A CN 201811360862 A CN201811360862 A CN 201811360862A CN 109224182 A CN109224182 A CN 109224182A
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- main body
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- mounting base
- time monitoring
- detection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3386—Low level detectors
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses it is a kind of can real-time monitoring alarming infusion device, including main body and the detection device being arranged in main body, pinch off switch, warning device, the detection device includes capacitance sensor, and capacitance sensor is respectively set in the upper and lower part of the main body；It further include detection mounting base, the capacitance sensor is arranged in the inside of detection mounting base, is hinged with fixing clamp at the top of the detection mounting base；The detection mounting base is fixed in main body.The present invention can prompt medical staff by automatic alarm immediately, while the present invention can automatically control the automatic switchover of multichannel infusion, have preferable practicability.
Description
Technical field
The invention belongs to the technical fields of infusion device, and in particular to it is a kind of can real-time monitoring alarming infusion device.
Background technique
Infusion apparatus is that the common medical treatment consumptive materials of one kind are established channel between vein and medical fluid, be used for by aseptic process
Venous transfusion.Its main feature is that inputting medical fluid in vivo with fluid pressure, when use, needs the moment to prevent air from entering blood vessel.Day
Often in life, we are sick to be hospitalized when being infused, and needs patient, family members' moment pay close attention tos a upper bottle liquid medicine and rear and next bottle liquid medicine is finished
Between switching, or notify medical staff to replace new drug, and whole medical fluid is finished rear close transfusion device, notifies medical staff
Needle is taken in time.Since Deep venou has negative pressure, many switchings have occurred in reality, dressing, closes, needle is taken to cause blood not in time
The case where liquid passes back into perfusion tube, or even sucking air generates gas embolism threat to life, according to related data introduction, sucks air
It may cause to die suddenly when more than 15 milliliters.And moment concern medical fluid outflow situation allows patient, family members to hardly result in sufficiently not
Breath, especially at night, it is easy to because causing input air to be caused danger when over fatigue causes switching, closing can't wait.
In conclusion infusion device used at present not only needs patient and family members to pay close attention to transfusion condition, patient is given
And family members bring inconvenience and bear, and are also required to medical staff and take much time and energy help patient, or even be also possible to
Occur because switch, add medicine, take needle not in time caused by danger.However, hospital's perfusion tube used at present does not have the automatic of this respect
Switching and warning function, therefore be badly in need of have a kind of intelligent infusion device, with realize automatically control infusion in drug input sequence,
Automatically switch medical fluid, be automatically closed infusion, automatic alarm prompt medical staff take needle etc., thus reduce need special messenger nurse people
Work cost reduces the workload of caregiver and medical staff, and the risk in infusion is effectively reduced.
Summary of the invention
The purpose of the present invention is to provide it is a kind of can real-time monitoring alarming infusion device, it is real to solve the above problems
Now instant automatic alarm prompts medical staff, while the present invention can automatically control the automatic switchover of multichannel infusion, has preferable
Practicability.
The present invention mainly passes through following scheme and realizes: it is a kind of can real-time monitoring alarming infusion device, including main body and set
Detection device in main body, pinch off switch, warning device are set, the detection device includes capacitance sensor, the main body
Capacitance sensor is respectively set in upper and lower part；It further include detection mounting base, the capacitance sensor setting is in detection mounting base
Inside, be hinged with fixing clamp at the top of the detection mounting base；The detection mounting base is fixed in main body.
In use, when infusion pipeline is single channel, present invention's present invention can be infused by pinch off switch control
The on or off of pipeline may be implemented timing and be infused, and facilitate the operations such as medical staff's medicine-feeding, can also realize prevents backflow of blood；
The present invention can be detected in perfusion tube by capacitance sensor no liquid, when detecting no liquid, controller control alarm
Device prompt medical staff is handled in time.When infusion pipeline is multiple branch circuit, the present invention can be switched automatic by pinch off
The sequence for switching infusion, realizes the uninterrupted conveying of medicament, while saving the workload of medical staff, until infusion terminates
Afterwards, controller starting warning device prompt medical staff is handled in time, has preferable practicability.
The present invention can be powered by power supply or mobile power source, and the mode of the power supply unit and power supply is
The prior art, and be not improvement of the invention, so it will not be repeated.The controller can be raw for Panasonic/ Panasonic Corporation
The PCL controller of the AFPX-C40T model of production can be the FX3SA-30MT-CM model of Mitsubishi/ Mitsubishi production
PCL controller, can for Mitsubishi/ Mitsubishi production 30MR model singlechip controller.The controller,
Capacitance sensor, pinch off switch, warning device are the prior art, and controller is switched with capacitance sensor, pinch off respectively, report
The relationship and circuit of alarm device connection are the prior art, and it is not improvement of the invention that the present invention, which only directly applies it,
Point, so it will not be repeated.
In order to preferably realize the present invention, further, the pinch off switch includes trapezoidal mounting base, driving motor, spiral shell
Spinner handle, fixture block, the driving motor and shank of bolt setting offer through slot in body interior, the main body, the fixture block
Bottom passes through through slot and connect with shank of bolt, and the trapezoidal mounting base is internally provided with cavity, and the fixture block is arranged in cavity
Side；The driving motor driving screw rod rotation, the fixture block move along a straight line on screw rod.
In use, the cavity of the trapezoidal mounting base is trapezium structure to the present invention, and the side of cavity is to fix
Side wall, the other side is the fixture block being slidably arranged in main body, is provided with perfusion tube in the cavity.Driving motor drives spiral
Bar rotation, the fixture block moves along a straight line on screw rod, to realize that fixture block moves along a straight line in through slot, realizes fixture block along trapezoidal
The track of the side of mounting base moves along a straight line, to realize that perfusion tube is clamped by clamping block, realizes the closure of perfusion tube, realizes infusion
Interruption, realize automatically switch infusion route, have preferable practicability.
The fixture block, which clamps perfusion tube, makes liquid not circulate, and will not pinch off perfusion tube, the fixture block can be rubber material
Material preparation is prepared for tough plastic material, and the fixture block is the prior art and is not improvement of the invention, therefore no longer superfluous
It states.The present invention can also be realized by the control switch sold in the market closes or opens and closes perfusion tube, and the control switch is existing
Technology and be not improvement of the invention, so it will not be repeated.
It further include controller and timing module connected to the controller, institute further to preferably realize the present invention
Controller is stated to connect with capacitance sensor, pinch off switch, warning device respectively.The controller can be single-chip microcontroller, work as infusion
After the capacitance sensor of bag lower section receives the signal that liquid is finished, single-chip microcontroller obtains signal, spare medical fluid branch one for the first time
Fixture block is opened, and when the capacitance sensor of branch one obtains signal after medicine bag is finished of one medical fluid of branch, sliding block is closed.Sensing
Delayed start-up will be arranged in device, be then turned on after the delay of general 2S, and sensor there medical fluid does not have also when just opening to prevent fixture block
It flows to.When transfusion meter may be implemented in the setting of the timing module on the one hand, it on the other hand may be implemented to remind medical care people in advance
Member has preferable practicability note that either delay controls the switching free of discontinuities to realize infusion.
In order to preferably realize the present invention, further, the warning device includes buzzer and communication device, the bee
Ring device and communication device are connect with controller respectively, and the controller is connect by communication device with management end.The management end
It can be the operating side of nurse room, or the mobile device of medical staff, such as mobile phone.The management end is existing skill
Art, and controlling with the connection relationship of management end is the prior art, and is not improvement of the invention, so it will not be repeated.
In use, when detecting that liquid is finished, then controller starts buzzer and communication device simultaneously to the present invention,
On the one hand surrounding medical staff can be reminded note that on the other hand, controller is realized by communication device reminds management end in real time
Medical staff note that the communication device can for wireless communication, the buzzer, communication device are the prior art, and
The circuit that controller is connect with buzzer, communication device is the prior art, and is not improvement of the invention, therefore no longer superfluous
It states.
In order to preferably realize the present invention, further, the conversion circuit of the capacitance sensor includes sequentially connected
Frequency-modulated generator, clipping, frequency discriminator, amplifier, the capacitance sensor are connect with frequency-modulated generator, and are handled by amplifier
After obtain output voltage.
Due to the restriction of volume, the capacitance of capacitance type sensor is smaller, and it is small must to detect this by means of measuring circuit
The increment of capacitor, and convert thereof into the voltage being proportional.The conversion circuit of capacitance type sensor exactly passes condenser type
Sensor regards a capacitor as and is converted into voltage or the circuit of other electricity.Here I selects a simple conversion circuit.
In order to preferably realize the present invention, further, the upper end of the main body is bifurcation structure, the upper end of the main body
Divergent ends on be respectively arranged with detection device, pinch off switch；And detection device is provided on the lower end of main body.The bifurcated knot
The setting of structure is to realize while meeting and place multiple infusion medicines.The perfusion tube of each infusion medicine at least prepares 1 inspection
Survey device and 1 pinch off switch.
In order to preferably realize the present invention, further, the lower end base of the main body is provided with support column, the main body
Lower end on be disposed with fixed strip and fixing groove from top to bottom.The support column can be used for fixed support, for installing
Warning device, communication device equal controller.The setting of the fixed strip, fixing groove can be fixed perfusion tube, can be people
Body provides the effect of a handrail, and the fixed strip and fixing groove are the prior art, and so it will not be repeated.
In order to preferably realize the present invention, further, gutter is provided on the support column.The gutter is
The mounting groove of fixed installation is the prior art, and so it will not be repeated.
In order to preferably realize the present invention, further, the upper end of the main body is U-shaped structure, and the U of the upper end of main body
The both ends of type opening are respectively arranged with detection device, pinch off switch.
The present invention need to only act on currently used two kinds of infusion apparatuses (no bag and marsupial infusion apparatus), defeated not destroying
Intelligent transfusion can be realized under conditions of liquid pipe, for solving the problem above-mentioned.This controller is by capacitance sensor to sky
Gas is different with the permittivity ε of water and shows different capacitors to obtain signal, passes through warning circuit, control circuit, motor
Circuit, sensor circuit realize its intelligent function.
The advantage is that: intelligent dressing, no medicine notify nurse's dressing automatically or take needle, in perfusion tube because of drop-in sky
It alarms immediately when air column.It can be built in network system access and in the case that advanced liquid level capacitance detector is added
Vertical infusion monitoring system, can greatly improve medical staff's working efficiency, and it is horizontal to improve health care management.
The present invention realizes the function of unsupervised infusion by simple circuit.The working principle of the controller is as follows:
Change to obtain output signal by the ε that capacitance sensor compares water and air, input controller (single-chip microcontroller), controller is controlled respectively
It makes multiple branches to take turns to operate, until last bottle liquid medicine notifies nurse to take needle automatically after being finished.And increase below dropper
Alarm sensor increases last insurance together for transfusion system.
As shown in figure 3, being switched in Intelligent infusion controller top design at one, pipe can be clamped, intermediate channel
There are two small pieces for the inside, are two capacitor boards respectively.And the basic functional principle of capacitance type sensor is: being separated by dielectric
Two parallel metal sheets composition plate condenser, as shown in Figure 4:
If not considering its edge effect, capacitanceε=ε in formula0εrThe dielectric of medium between pole plate
Constant, the area that S is covered by parallel-plate, d are the distance between two parallel-plates.When measured parameter changes S, d so that in formula
Or ε, when changing, capacitance C also changes therewith.Here I am using change medium capacitance type sensor, principle such as Fig. 5 institute
Show, due to the restriction of volume, the capacitance of capacitance type sensor is smaller, must detect this small capacitance by means of measuring circuit
Increment, and convert thereof into the voltage being proportional.The conversion circuit of capacitance type sensor exactly sees capacitance type sensor
At a capacitor and it is converted into voltage or the circuit of other electricity.Since design capacitance sensor circuit is more complicated, here I
With regard to directly replacing subsequent conditioning circuit with a capacitance sensor, and assume through the output voltage of capacitance sensor to be exactly 5V.
Output signal controls motor pinch off principle:
As Sensor section, trapezoidal top is designed to that movable switchs, and is responsible for clamping part under perfusion tube.The part
It is made of motor, screw rod and the movable clip block agreed with screw rod, when motor obtains the signal of controller, can control
Screw rod rotates clockwise, and since fixture block bottom is agreed with screw rod, therefore can move down clamping perfusion tube, similarly, screw rod
It rotates counterclockwise, sliding block unclamps, and liquid pipe is opened.Therefore module and motor form is mainly driven by motor in the partial circuit.Only
Here the transmission shaft is embedded under box by I.Three motors can be controlled with a controller (single-chip microcontroller).
Remote notification system and buzzer warning and emergency control system:
Buzzer is commonly called as loudspeaker, is a kind of component for being widely used in various electronic products, it for prompting, music etc.
Many application occasions.Loudspeaker on buzzer and home electric also have similar place in usage, and usual operating current compares
Greatly, as shown in fig. 7, the small-power electric current on circuit does not drive buzzer substantially, need to increase the electricity of a Current amplifier
Lu Caike is with that is, this pin is difficult that buzzer is driven to make a sound, and passes through bee so increasing a triode to increase
The electric current of ring device.The design of this alarm circuit uses buzzer, and telecommunication circuit is also replaced with the method that buzzer is simulated here,
Wherein having added triode is alarm, not plus is communicator.After receiving a upper controller (single-chip microcontroller) signal
Buzzer starts sound of movement or notifies nurse.
Operating procedure of the invention:
1) marsupial infusion apparatus is installed into good position, the detection device mounting base is equipped with movable clip infusion tube clamp
Enter.
2) nurse can pour first bottle of medicine in sack into, and it is spare then to hang two bottles of medicines.After nurse installs spare two bottles, press
Start button, machine start timing.
3) after the capacitance sensor below infusion bag receives the signal that liquid is finished, single-chip microcontroller obtains letter for the first time
Number, spare one fixture block of medical fluid branch opens, when the capacitance sensor of branch one obtains after medicine bag is finished of one medical fluid of branch
Signal, fixture block are closed.Delayed start-up will be arranged in sensor, be then turned on after the delay of general 2S, when just opening to prevent fixture block
Sensor there medical fluid does not flow to also.
4) when infusion bag is finished again, capacitance sensor obtains signal, and single-chip microcontroller receives second of signal, control branch
Two circuit of road is opened, and branch two is similarly closed after being finished of branch two.After the capacitance sensor of infusion bag obtains that signal is finished,
Single-chip microcontroller third time obtains that signal is finished, and starts announcing circuit.It notifies nurse's dressing or completes infusion.
Controller (single-chip microcontroller) program function: all motors are controlled when booting makes fixture block in state is stepped up, that is, closes
Close all branches.It by start button, controls first motor and opens, timing circuit is opened, and system timing makes system enter unlatching
State.When the capacitance sensor of branch one exports low level, then controlling motor one closes fixture block, the electricity on the road two opened simultaneously
Machine similarly can control 2,3 branches.When all fixture blocks are closed (infusion is completed), notify to protect to telecommunication circuit output signal
Scholar.Perfusion tube after branch collects transmits low level (air flows into, without liquid medicine flow), then defeated to buzzer alarm circuit
Out, alarm is carried out.
Operation instruction of the invention:
1. transfusion drip tube is put into the clip position in detection mounting base, clip is fastened；
2. pressing initialization button after clip is fastened, all electric motor startings, fixture block pinch off perfusion tube is put into medical fluid at this time；
3. pressing start button, fixture block successively clamps automatically, if several bottles hung it is medicinal it is complete need to carry out batch replacement,
Stop button is then pressed, fixture block is restored automatically to state is not stepped up, then repeatedly 1,2 operation；
4. pressing stop button after the completion of infusion, fixture block is restored automatically to non-clamping position, is spent 5 minutes and is pressed without clicking starting
Button, controller are automatically closed.
Beneficial effects of the present invention:
(1) detection device includes capacitance sensor, and capacitance sensor is respectively set in the upper and lower part of the main body；
It further include detection mounting base, the inside of detection mounting base, the top hinge of the detection mounting base is arranged in the capacitance sensor
It is connected to fixing clamp；The detection mounting base is fixed in main body.The present invention can prompt medical staff by automatic alarm immediately, simultaneously
The present invention can automatically control the automatic switchover of multichannel infusion, have preferable practicability.
(2) inside of detection mounting base is arranged in the capacitance sensor, is hinged at the top of the detection mounting base solid
Clamp.It is provided with the cavity for accommodating liquid-transport pipe-line in the detection mounting base, is provided with capacitance sensor in the cavity.It is described
Detection mounting base can fix liquid-transport pipe-line while realizing detection, have preferable practicability.
(3) the pinch off switch includes trapezoidal mounting base, driving motor, screw rod, fixture block, the driving motor and bolt
Bar setting offers through slot in body interior, the main body, and the bottom of the fixture block passes through through slot and connect with shank of bolt, institute
The cavity that is internally provided with of trapezoidal mounting base is stated, the side of cavity is arranged in the fixture block；The driving motor drives screw rod
Rotation, the fixture block move along a straight line on screw rod.The present invention can be moved along a straight line in trapezoidal mounting base realization by fixture block
Perfusion tube is clamped, to realize closure perfusion tube, realizes and automatically switches infusion pipeline, save manpower, is had preferable practical
Property.
(4) conversion circuit of the capacitance sensor includes sequentially connected frequency-modulated generator, clipping, frequency discriminator, amplification
Device, the capacitance sensor are connect with frequency-modulated generator, and obtain output voltage after amplifier is handled.Detection of the invention
High sensitivity, has preferable responsiveness, and practicability is good.
(5) controller is single-chip microcontroller, further includes timing module connected to the controller.The setting of the timing module
On the one hand when transfusion meter may be implemented, on the other hand may be implemented to remind medical staff in advance note that either delay control with
It realizes the switching free of discontinuities of infusion, there is preferable practicability.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Structural schematic diagram based on Fig. 2；
Fig. 3 is the attachment structure schematic diagram for detecting mounting base and capacitance sensor；
Fig. 4 is the structural schematic diagram of plate condenser；
Fig. 5 is the structural schematic diagram for becoming medium capacitance type sensor；
Fig. 6 is the functional block diagram of the conversion circuit of capacitance sensor；
Fig. 7 is the circuit diagram of warning device.
Wherein: 1- main body, 2- support column, 3- display screen, 4- fixed strip, 5- fixing groove, 6- detection mounting base, 7- pinch off are opened
It closes, 8- capacitance sensor.
Specific embodiment
Embodiment 1:
It is a kind of can real-time monitoring alarming infusion device, including main body 1 and setting detection device on the body 1, pinch off
Switch 7, warning device, the detection device include capacitance sensor 8, and capacitor is respectively set in the upper and lower part of the main body 1
Sensor 8；It further include detection mounting base 6, the inside of detection mounting base 6, the detection installation is arranged in the capacitance sensor 8
The top of seat 6 is hinged with fixing clamp；The detection mounting base 6 is fixed on the body 1.
As shown in Fig. 2, multiple detection mounting bases 6 can be set in the main body 1, at least it is arranged on a liquid-transport pipe-line
One detection device and a pinch off switch 7.
The upper and lower part of the main body 1 is respectively arranged with detection device, and the detection device on 1 top of main body detects in medicine bottle
Medicament situation, the detection device of 1 lower part of main body is used for the case where detecting the liquid in the perfusion tube of human body, detects
There is no liquid in the perfusion tube on 1 top of main body, then illustrates that medicine bottle Chinese medicine is added dropwise；Detect the perfusion tube of 1 lower part of main body
In there is no liquid, then illustrate that the liquid in liquid-transport pipe-line will be added dropwise, be easy to appear blood of human body reflux the case where, at this time
It needs medical staff promptly corresponding measure to be taken to handle, can star warning device at this time and promptly prompted, opened simultaneously
Dynamic pinch off switch 7, which is realized, closes liquid-transport pipe-line, prevents the generation of blood backflow.
In use, when infusion pipeline is single channel, the present invention can be controlled by pinch off switch 7 and is infused the present invention
The on or off of pipeline may be implemented timing and be infused, and facilitate the operations such as medical staff's medicine-feeding, can also realize prevents backflow of blood；
The present invention can be detected in perfusion tube by capacitance sensor 8 no liquid, and when detecting no liquid, control warning device is mentioned
Show that medical staff is handled in time.When infusion pipeline is multiple branch circuit, the present invention can be automatically switched defeated by pinch off switch 7
The sequence of liquid, realizes the uninterrupted conveying of medicament, while saving the workload of medical staff, after infusion, starting
Warning device prompt medical staff is handled in time, has preferable practicability.
The present invention can prompt medical staff by automatic alarm immediately, while the present invention can automatically control oneself of multichannel infusion
Dynamic switching, has preferable practicability.It is provided with the cavity for accommodating liquid-transport pipe-line in the detection mounting base 6, in the cavity
It is provided with capacitance sensor 8.The detection mounting base 6 can fix liquid-transport pipe-line while realizing detection, have preferable real
The property used.
Embodiment 2:
The present embodiment is to optimize on the basis of embodiment 1, as shown in Fig. 2, the pinch off switch 7 includes trapezoidal peace
Seat, driving motor, screw rod, fixture block are filled, the driving motor and shank of bolt are arranged inside main body 1, open up in the main body 1
There is through slot, the bottom of the fixture block passes through through slot and connect with shank of bolt, and the trapezoidal mounting base is internally provided with cavity, institute
State the side that cavity is arranged in fixture block；The driving motor driving screw rod rotation, the fixture block move along a straight line on screw rod.
The structure of similar V-shape, the liquid-transport pipe-line are formed between the side wall and fixture block of the inside of the trapezoidal mounting base
Positioned at the intracavitary of V-shape.When driving motor is rotated to a direction, then fixture block moves downward linearly on screw rod, at this time
Fixture block clamps perfusion tube under the cooperation of side wall, realizes the closing of perfusion tube, is not having liquid inflow at this time；When driving motor to
When opposite direction rotates, then fixture block straight line on screw rod moves upwards, and fixture block is moved far from perfusion tube at this time, the infusion
Liquid proper flow in pipe.The linear motion of the fixture block is the linear motion tilted upward, realize the motion profile of fixture block with
V-shaped structure between the side wall of trapezoidal mounting base.The model prior art of the driving motor, and be not improvement of the invention
Point, so it will not be repeated.
In use, the cavity of the trapezoidal mounting base is trapezium structure to the present invention, and the side of cavity is to fix
Side wall, the other side is the fixture block being slidably arranged in main body 1, is provided with perfusion tube in the cavity.Driving motor drives spiral shell
Spinner handle rotation, the fixture block moves along a straight line on screw rod, to realize that fixture block moves along a straight line in through slot, realizes fixture block along ladder
The track of the side of shape mounting base moves along a straight line, to realize that perfusion tube is clamped by clamping block, realizes the closure of perfusion tube, realizes defeated
The route for automatically switching infusion is realized in the interruption of liquid, has preferable practicability.
The other parts of the present embodiment are same as Example 1, and so it will not be repeated.
Embodiment 3:
The present embodiment is to optimize on the basis of embodiment 1, further includes controller and timing connected to the controller
Module, the controller are single-chip microcontroller, and the controller is connect with capacitance sensor 8, pinch off switch 7, warning device respectively.Institute
The setting of timing module is stated on the one hand when transfusion meter may be implemented, on the other hand may be implemented to remind medical staff in advance note that
Either delay controls the switching free of discontinuities to realize infusion, has preferable practicability.
After capacitance sensor 8 below infusion bag receives the signal that liquid is finished, single-chip microcontroller obtains signal for the first time,
Spare one fixture block of medical fluid branch is opened, when the capacitance sensor 8 of branch one obtains letter after medicine bag is finished of one medical fluid of branch
Number, sliding block is closed.Delayed start-up will be arranged in sensor, be then turned on after the delay of general 2S, biography when just opening to prevent fixture block
Sensor there medical fluid does not flow to also.It, on the other hand can be real when transfusion meter may be implemented in the setting of the timing module on the one hand
Now medical staff is reminded in advance note that postponing control either to realize the switching free of discontinuities of infusion, and there is preferable practicability.
The other parts of the present embodiment are identical as above-described embodiment 1, and so it will not be repeated.
Embodiment 4:
The present embodiment is optimized on the basis of embodiment 3, and the warning device includes buzzer and communication device,
The buzzer and communication device are connect with controller respectively, and the controller is connect by communication device with management end.Such as Fig. 7
Shown, the small-power electric current on circuit does not drive buzzer substantially, and needing to increase the circuit of a Current amplifier just can be with,
I.e. this pin is difficult that buzzer is driven to make a sound, so increasing a triode to increase the electricity by buzzer
Stream.
Due to the restriction of volume, the capacitance of capacitance type sensor is smaller, and it is small must to detect this by means of measuring circuit
The increment of capacitor, and convert thereof into the voltage being proportional.The conversion circuit of capacitance type sensor exactly passes condenser type
Sensor regards a capacitor as and is converted into voltage or the circuit of other electricity.Here I selects a simple conversion circuit.Such as
Shown in Fig. 6, the conversion circuit of the capacitance sensor 8 includes sequentially connected frequency-modulated generator, clipping, frequency discriminator, amplifier,
The capacitance sensor 8 is connect with frequency-modulated generator, and obtains output voltage after amplifier is handled.Detection spirit of the invention
Sensitivity is high, has preferable responsiveness, and practicability is good.
The other parts of the present embodiment are identical as above-described embodiment 3, and so it will not be repeated.
Embodiment 5:
The present embodiment be embodiment 1-4 any one on the basis of optimize, the upper end of the main body 1 is bifurcated knot
Structure is respectively arranged with detection device, pinch off switch 7 in the divergent ends of the upper end of the main body 1；And it is arranged on the lower end of main body 1
There is detection device.
The setting of the bifurcation structure is to realize while meeting and place multiple infusion medicines.Each infusion medicine it is defeated
Liquid pipe at least prepares 1 detection device and 1 pinch off switch 7.
The present invention can prompt medical staff by automatic alarm immediately, while the present invention can automatically control oneself of multichannel infusion
Dynamic switching, has preferable practicability.It is provided with the cavity for accommodating liquid-transport pipe-line in the detection mounting base 6, in the cavity
It is provided with capacitance sensor 8.The detection mounting base 6 can fix liquid-transport pipe-line while realizing detection, have preferable real
The property used.
Any one is identical with above-described embodiment 1-4 for the other parts of the present embodiment, and so it will not be repeated.
Embodiment 6:
The present embodiment is optimized on the basis of embodiment 5, as shown in Figure 1, the upper end of the main body 1 is U-shaped knot
Structure, and the both ends of the U-shaped opening of the upper end of main body 1 are respectively arranged with detection device, pinch off switch 7.The lower end bottom of the main body 1
Portion is provided with support column 2, is disposed with fixed strip 4 and fixing groove 5 from top to bottom on the lower end of the main body 1.The support
Gutter is provided on column 2.
The present invention in use, is infused, the perfusion tube of each flask for medicinal preparations is separately fixed at U-shaped using two medicaments bottle
A detection device and a pinch off switch 7 are respectively arranged on one end of the opening of structure, and on each perfusion tube.The present invention
It is fixed on the ground by support column 2, the fixation of perfusion tube can be realized by fixed strip 4 or fixing groove 5.The support column
Gutter on 2 can be used for installing fixation, and the support column 2 can be used for fixed support, for installing warning device, communication
Device equal controller.
The present invention can prompt medical staff by automatic alarm immediately, while the present invention can automatically control oneself of multichannel infusion
Dynamic switching, has preferable practicability.It is provided with the cavity for accommodating liquid-transport pipe-line in the detection mounting base 6, in the cavity
It is provided with capacitance sensor 8.The detection mounting base 6 can fix liquid-transport pipe-line while realizing detection, have preferable real
The property used.As shown in Figure 1, being provided with display screen 3 on the top of the lower end of the main body 1, user is facilitated intuitively to observe.
The other parts of the present embodiment are identical as above-described embodiment 5, and so it will not be repeated.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (9)
1. one kind can real-time monitoring alarming infusion device, which is characterized in that including main body (1) and be arranged on main body (1)
Detection device, pinch off switch (7), warning device, and the detection device includes capacitance sensor (8), the top of the main body (1)
Capacitance sensor (8) are respectively set with lower part；It further include detection mounting base (6), capacitance sensor (8) setting is pacified in detection
The inside of seat (6) is filled, is hinged with fixing clamp at the top of the detection mounting base (6)；The detection mounting base (6) is fixed on main body
(1) on.
2. one kind according to claim 1 can real-time monitoring alarming infusion device, which is characterized in that pinch off switch
It (7) include trapezoidal mounting base, driving motor, screw rod, fixture block, the driving motor and shank of bolt setting are internal in main body (1),
Through slot is offered on the main body (1), the bottom of the fixture block passes through through slot and connect with shank of bolt, the trapezoidal mounting base
It is internally provided with cavity, the side of cavity is arranged in the fixture block；The driving motor driving screw rod rotation, the fixture block exist
It moves along a straight line on screw rod.
3. one kind according to claim 1 can real-time monitoring alarming infusion device, which is characterized in that further include controller
With timing module connected to the controller, the controller connects with capacitance sensor (8), pinch off switch (7), warning device respectively
It connects.
4. one kind according to claim 3 can real-time monitoring alarming infusion device, which is characterized in that the warning device
Including buzzer and communication device, the buzzer and communication device are connect with controller respectively, and the controller passes through communication
Device is connect with management end.
5. one kind according to claim 1 can real-time monitoring alarming infusion device, which is characterized in that the capacitance sensing
The conversion circuit of device (8) includes sequentially connected frequency-modulated generator, clipping, frequency discriminator, amplifier, the capacitance sensor (8)
It is connect with frequency-modulated generator, and obtains output voltage after amplifier is handled.
6. one kind according to claim 1-5 can real-time monitoring alarming infusion device, which is characterized in that it is described
The upper end of main body (1) is bifurcation structure, is respectively arranged with detection device in the divergent ends of the upper end of the main body (1), pinch off is opened
It closes (7)；And detection device is provided on the lower end of main body (1).
7. one kind according to claim 6 can real-time monitoring alarming infusion device, which is characterized in that the main body (1)
Lower end base be provided with support column (2), fixed strip (4) and solid is disposed on the lower end of the main body (1) from top to bottom
Determine slot (5).
8. one kind according to claim 7 can real-time monitoring alarming infusion device, which is characterized in that the support column
(2) gutter is provided on.
9. one kind according to claim 6 can real-time monitoring alarming infusion device, which is characterized in that the main body (1)
Upper end be U-shaped structure, and the both ends of the U-shaped opening of the upper end of main body (1) be respectively arranged with detection device, pinch off switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360862.XA CN109224182A (en) | 2018-11-15 | 2018-11-15 | It is a kind of can real-time monitoring alarming infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360862.XA CN109224182A (en) | 2018-11-15 | 2018-11-15 | It is a kind of can real-time monitoring alarming infusion device |
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|---|---|
| CN109224182A true CN109224182A (en) | 2019-01-18 |
Family
ID=65074737
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811360862.XA Pending CN109224182A (en) | 2018-11-15 | 2018-11-15 | It is a kind of can real-time monitoring alarming infusion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773479A (en) * | 2020-07-16 | 2020-10-16 | 海吉雅智慧医疗科技(广州)有限公司 | Infusion alarm system |
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