CN208426494U - Infusion control alarm mechanism - Google Patents
Infusion control alarm mechanism Download PDFInfo
- Publication number
- CN208426494U CN208426494U CN201721372737.1U CN201721372737U CN208426494U CN 208426494 U CN208426494 U CN 208426494U CN 201721372737 U CN201721372737 U CN 201721372737U CN 208426494 U CN208426494 U CN 208426494U
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- China
- Prior art keywords
- clamping plate
- perfusion tube
- plc controller
- alarm mechanism
- motor
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Abstract
The utility model discloses a kind of infusions to control alarm mechanism, including photoelectric liquid drop tests the speed unit, further includes flow rate control unit；The photoelectric liquid drop unit that tests the speed is the photoelectric sensor for being held on dropping funnel horizontal direction two sides, and side is light emitting end, and the other side is optical receiving end；Flow rate control unit includes PLC controller and perfusion tube binding clasp；Perfusion tube binding clasp includes first clamping plate and second clamping plate, and second clamping plate can be under the promotion of motor with first clamping plate relative motion, and the perfusion tube that dropping funnel lower section connects is between first clamping plate and second clamping plate；Photoelectric sensor is connect with PLC controller signal, and PLC controller is connect with motor signal.The beneficial effects of the utility model are: can not only monitor transfusion speed, moreover it is possible to which when transfusion speed changes, adjust automatically is compensated, and can automatically cut off perfusion tube when being infused and completing, and avoids dangerous generation.
Description
Technical field
The utility model relates to motor field, specifically a kind of infusion controls alarm mechanism.
Background technique
Carrying out venous transfusion to sufferer is common treatment means, typically aloft by medical fluid suspension, then with perfusion tube
It draws, in the vein with the dedicated syringe needle injection sufferer of venous transfusion.During this, the flowing of medical fluid from high to low is to rely on weight
Power also devises dropping funnel for the ease of observing medical fluid flow velocity in the middle part of perfusion tube, and medical fluid is dropped in dropping funnel from top, then from
Vein is flowed into below dropping funnel.When nurse just beside sufferer when, by observing the drippage speed of the medical fluid that comes from above in dropping funnel
Degree, will soon judge flow velocity, and make corresponding adjusting.Chinese patent literature CN103495238A is in public affairs on October 24th, 2013
" medical infusion electronic speed measuring device ", including display device, speed measuring device and connecting line are opened, display device is circumferentially positioned at drop
The outer surface of bucket top perfusion tube, test device is arranged in dropping funnel outer surface, and is higher than liquid level, and speed measuring device includes infraluminescence
Diode and phototriode, light emitting diode and the corresponding setting of phototriode are in dropping funnel outer surface two sides.The technical side
Case is by the function perception of photoelectric cell and the drippage of measurement drop, so as to grasp the precise speed of drips, compared to biography
The mode of the dependence experience of the artificial observation dropping funnel of system, achieves biggish progress.At the end of infusion, the medical fluid of top will
It flows to end, nurse will remove syringe needle, complete infusion.But when nurse leaves or sufferer is more busier, needle is taken to be difficult to do
To that at the right time, can generate the situation that sufferer blood is back in perfusion tube, even partial air injects sufferer from perfusion tube
In vein, to cause danger.Meanwhile in prolonged infusion process, sufferer is simultaneously revocable, and the height of position becomes
Change, the variation of angle direction of acupuncture treatment position can all impact the flow velocity of medical fluid, change the flow velocity initially set up, need
Frequent nurse-call comes to handle, and further increases the workload of nurse.
Summary of the invention
Based on the above issues, the utility model is intended to invent a kind of infusion control alarm mechanism, can not only monitor infusion
Speed, moreover it is possible to which adjust automatically compensates when transfusion speed changes, and can automatically cut off perfusion tube when being infused and completing, and avoids
Danger occurs.
To achieve the goals above, the utility model adopts the following technical solution: a kind of infusion control alarm mechanism, including
Photoelectric liquid drop tests the speed unit, further includes flow rate control unit；The photoelectric liquid drop unit that tests the speed is to be held on dropping funnel horizontal direction two sides
Photoelectric sensor, side are light emitting end, and the other side is optical receiving end；Flow rate control unit includes PLC controller and perfusion tube
Binding clasp；Perfusion tube binding clasp includes first clamping plate and second clamping plate, second clamping plate can under the promotion of motor with first clamping plate
Relative motion, the perfusion tube that dropping funnel lower section connects is between first clamping plate and second clamping plate；Photoelectric sensor and PLC controller
Signal connection, PLC controller are connect with motor signal.
The infusion of the technical program design controls alarm mechanism, and photoelectric sensor has been used to test the speed unit as drop, drips
The side of bucket is the light emitting end of photoelectric sensor, and the other side is optical receiving end, when the drop for coming from above drippage is sent out by light
When penetrating between end and receiving end, refraction is generated to light, forms electric signal in optical receiving end side.Electric signal transmission to PLC control
Device processed is compared with preset liquid drop speed, and if any difference, PLC controller sends signal, driving to perfusion tube binding clasp again
Motor action pushes second clamping plate to do relative motion with first clamping plate, and the perfusion tube connected below dropping funnel is to be clamped in first
Between clamping plate and second clamping plate, pass through the adjusting of the distance between second clamping plate and first clamping plate, so that it may be formed to infusion
Clamping, the release movement of pipe, adjust the size of lumen area of section, to influence the flow velocity of the liquid by clip position；When
When present infusion is very fast, perfusion tube can be clamped, reduces flow rate of liquid；When present infusion is slower, perfusion tube can be unclamped, is increased
Big flow rate of liquid.When medical fluid is flow to end, there is no when drop whereabouts, PLC controller control motor directly cuts off perfusion tube, guarantees not
The fortuitous events such as blood back or air input are had to occur.
Preferably, the both ends of first clamping plate are connected separately with guide rod parallel to each other, the other end of guide rod is to lead
It is fixed to bar fixed plate；Second clamping plate is corresponding to be set there are two through-hole, and guide rod adaptation is socketed in through-hole；Motor axis connection
Screw rod, corresponding on guide rod fixing plate to be equipped with tapped through hole, screw rod is threadedly coupled with tapped through hole；The end of screw rod and second
With flexural pivot chain link between the side back to perfusion tube of clamping plate.The perfusion tube binding clasp of this programme design, in first clamping plate
Both ends are provided with a pair of guide rod parallel to each other, and the other end of guide rod is fixed on guide rod fixing plate, and second clamping plate
Just this on guide rod slidably.Motor drives screw rod rotation, the other end of screw rod is flexural pivot after receiving control signal
Chain can be axially moveable while rotation, push or pull second clamping plate to move with respect to first clamping plate, to adjust defeated
The size of liquid pipe area of section.
Preferably, raised on the side towards perfusion tube of first clamping plate or second clamping plate be equipped with limited block, limit
The height of projection of block is equal to twice of perfusion tube pipe thickness.It designs in this way, it can be to avoid between first clamping plate and second clamping plate
Gap it is too small, by infusion tube clamp deformation and can not elastic reset, influence subsequent liquid communication effect.
Preferably, the motor is stepper motor.The step-by-step adjustment of stepper motor is more suitable for coming with PLC controller cooperation
Realize the adjusting to perfusion tube clamp position.
Preferably, PLC controller is also connect with alarm unit signal.Alarm unit can be the acoustical alarms such as buzzer
Device is also possible to the optics warning device of flashing light, is also possible to be connected to the PC of nurse station by wired or wireless signal
It in the dedicated transfusion management software of end or mobile phone terminal, both will not influence surrounding enviroment, prompting also played to particular kind of relationship people and is made
With.Inspection comparison program is also preset in PLC controller, the reality of drop after adjustment signal issues in several seconds in dropping funnel
When dropleting speed not up to adjusts target value, PLC controller equally can issue alarm signal to alarm unit, notify particular kind of relationship
People carries out manual intervention processing.
In conclusion the beneficial effects of the utility model are: can not only monitor transfusion speed, moreover it is possible to change in transfusion speed
Adjust automatically compensates when change, and can automatically cut off perfusion tube when being infused and completing, and avoids dangerous generation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model, and arrow show signal transfer direction.
Fig. 2 is the structural schematic diagram of the perfusion tube binding clasp of the utility model.
Wherein: 1 dropping funnel, 2 photoelectric sensors, 3PLC controller, 4 perfusion tube binding clasps, 5 motors, 6 perfusion tubes, 7 brake lines
Cable, 21 light emitting ends, 22 optical receiving ends, 41 first clamping plates, 42 second clamping plates, 43 guide rods, 44 guide rod fixing plates, 45 spiral shells
Bar, 46 spherical hinges, 47 limited blocks.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
Embodiment as shown in Figure 1 controls alarm mechanism for a kind of infusion, applies in the venous transfusion operation of hospital.
The infusion of this example controls alarm mechanism, including photoelectric liquid drop tests the speed unit and flow rate control unit.The photoelectric liquid drop unit that tests the speed is
Photoelectric sensor 2 is divided into the light emitting end 21 of side and the optical receiving end 22 of the other side, is clamped in the level side of dropping funnel 1 respectively
To two sides, top drippage drop can pass through between light emitting end and optical receiving end.Flow rate control unit includes PLC control
Device 3 and perfusion tube binding clasp 4 processed.
As shown in Fig. 2, perfusion tube binding clasp is equipped with first clamping plate 41, the both ends of first clamping plate are equipped with a pair of parallel guiding
Bar 43, the other end of guide rod are fixed on guide rod fixing plate 44.What is be adapted in second clamping plate 42 is equipped with a pair of of through-hole, can be with
Socket on the guide bar, makes second clamping plate do relative motion within the scope of guide rod with first clamping plate, is connected to below dropping funnel
Perfusion tube 6 is located in the gap between first clamping plate and second clamping plate.Guide rod fixing plate is also fixedly connected with motor 5, this
What example was selected is stepper motor, and motor shaft is even connect with one end of screw rod 45, and what is be adapted on guide rod fixing plate is equipped with screw thread
Through-hole is threadedly coupled with screw rod realization.With spherical hinge between the other end of screw rod and the side back to perfusion tube of second clamping plate
46 connections.It is raised on the side towards perfusion tube of first clamping plate to be equipped with a pair of of limited block 47, the height of projection etc. of limited block
In twice of perfusion tube pipe thickness.
Photoelectric sensor is connect with PLC controller signal, and PLC controller is connect with motor signal, PLC controller also with report
Alert cell signal connection.Alarm unit can be the acoustical alarms device such as buzzer, be also possible to the optics warning device of flashing light,
It is also possible to be connected to by wired or wireless signal in the end PC of nurse station or the dedicated transfusion management software of mobile phone terminal.
The infusion of this example controls alarm mechanism, and after original state sets the flow velocity of medical fluid, PLC controller just be will record
The lower initial value, in the intravenous injection period hereafter, photoelectric sensor can monitor the drop flowed through always, the speed obtained with
Preset value is compared.If present speed is slower, PLC controller will issue instruction and adjust motor, and motor is made to drive screw rod
Rotation, loosens first clamping plate and second clamping plate to the holding action of perfusion tube, increases the flow rate of liquid in perfusion tube；Instead
It, if present speed is very fast, PLC controller will issue instruction and adjust motor, so that motor is driven screw rod rotation, make the first folder
Plate and second clamping plate clamp the holding action of perfusion tube, reduce the flow rate of liquid in perfusion tube.This adjusting at any time can be with
Occur, remain that current flow is identical as preset flow rate, guarantees that transfusion speed is constant.When infusion closes to an end, the medicine of top
Liquid no longer drips, and photoelectric sensor can not receive drips information within the setting period, then PLC controller issues instruction,
Motor drives second clamping plate to move to end to first clamping plate, and perfusion tube is clamped completely and is no longer turned on, sufferer is both avoided
Blood back also avoids the danger that air enters in sufferer blood vessel.PLC controller can also issue triggering to alarm unit at the same time and refer to
It enables, alarm unit work carries out warning note to related personnel.It is also preset with inspection comparison program in PLC controller, works as adjusting
When the practical dropleting speed of drop after signal issues in several seconds in dropping funnel not up to adjusts target value, PLC controller is same
Alarm signal can be issued to alarm unit, related personnel is notified to carry out manual intervention processing.
Claims (5)
1. a kind of infusion controls alarm mechanism, including photoelectric liquid drop tests the speed unit, characterized in that further includes flow rate control unit；
The photoelectric liquid drop unit that tests the speed is the photoelectric sensor (2) for being held on dropping funnel (1) horizontal direction two sides, and side is light emitting end (21),
The other side is optical receiving end (22)；Flow rate control unit includes PLC controller (3) and perfusion tube binding clasp (4)；Perfusion tube clamps
Device includes first clamping plate (41) and second clamping plate (42), and second clamping plate opposite with first clamping plate under the promotion of motor (5) can transport
Dynamic, the perfusion tube (6) connected below dropping funnel is between first clamping plate and second clamping plate；Photoelectric sensor and PLC controller are believed
Number connection, PLC controller connect with motor signal.
2. a kind of infusion according to claim 1 controls alarm mechanism, characterized in that the both ends of first clamping plate are separately connected
Have guide rod parallel to each other (43), the other end of guide rod is fixed with guide rod fixing plate (44)；Second clamping plate is corresponding to be set
There are two through-hole, guide rod adaptation is socketed in through-hole；Motor shaft connecting screw (45), it is corresponding on guide rod fixing plate to set
There is tapped through hole, screw rod is threadedly coupled with tapped through hole；Between the end of screw rod and the side back to perfusion tube of second clamping plate
With spherical hinge (46) connection.
3. a kind of infusion according to claim 2 controls alarm mechanism, characterized in that the court of first clamping plate or second clamping plate
Raised on the side of perfusion tube to be equipped with limited block (47), the height of projection of limited block is equal to the two of perfusion tube pipe thickness
Times.
4. a kind of infusion according to claim 1 or 2 or 3 controls alarm mechanism, characterized in that the motor is stepping electricity
Machine.
5. a kind of infusion according to claim 1 or 2 or 3 controls alarm mechanism, characterized in that PLC controller also with report
Alert cell signal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372737.1U CN208426494U (en) | 2017-10-23 | 2017-10-23 | Infusion control alarm mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372737.1U CN208426494U (en) | 2017-10-23 | 2017-10-23 | Infusion control alarm mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208426494U true CN208426494U (en) | 2019-01-25 |
Family
ID=65105108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721372737.1U Expired - Fee Related CN208426494U (en) | 2017-10-23 | 2017-10-23 | Infusion control alarm mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208426494U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111588945A (en) * | 2020-06-12 | 2020-08-28 | 河南省儿童医院郑州儿童医院 | Empty device of venous transfusion antidrip |
| 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 |
| CN112618878A (en) * | 2021-01-12 | 2021-04-09 | 兴安界首骨伤医院有限公司 | Transfusion temperature safety protector |
| CN112657016A (en) * | 2020-12-11 | 2021-04-16 | 深圳市领为创新科技有限公司 | Intelligent bracelet for monitoring liquid drops |
-
2017
- 2017-10-23 CN CN201721372737.1U patent/CN208426494U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111588945A (en) * | 2020-06-12 | 2020-08-28 | 河南省儿童医院郑州儿童医院 | Empty device of venous transfusion antidrip |
| 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 |
| CN112657016A (en) * | 2020-12-11 | 2021-04-16 | 深圳市领为创新科技有限公司 | Intelligent bracelet for monitoring liquid drops |
| CN112657016B (en) * | 2020-12-11 | 2022-06-07 | 深圳市领为创新科技有限公司 | Intelligent bracelet for monitoring liquid drops |
| CN112618878A (en) * | 2021-01-12 | 2021-04-09 | 兴安界首骨伤医院有限公司 | Transfusion temperature safety protector |
| CN112618878B (en) * | 2021-01-12 | 2023-07-14 | 兴安界首骨伤医院有限公司 | Infusion temperature safety protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20211023 |