CN105169526B - A kind of transfusion control device - Google Patents
A kind of transfusion control device Download PDFInfo
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- CN105169526B CN105169526B CN201510631955.1A CN201510631955A CN105169526B CN 105169526 B CN105169526 B CN 105169526B CN 201510631955 A CN201510631955 A CN 201510631955A CN 105169526 B CN105169526 B CN 105169526B
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- transfusion
- infusion
- control unit
- control device
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Abstract
The invention discloses a kind of transfusion control device and methods.The device includes: transfusion speed controller, solenoid valve, acceleration transducer and main control unit；The transfusion speed controller and the solenoid valve are mounted on the perfusion tube above stilligout；The main control unit is electrically connected with other each sections.Technical solution of the present invention judges whether infusion is completed, can more effectively interfere filtering external caused by vibrating, improve the accuracy by detection vibration control infusion process by detecting whether infusion liquid drop vibration frequency meets predeterminated frequency；Infusion can be terminated automatically after the completion of infusion, prevented air from entering patient's body, on the one hand alleviated family numbers of patients and the pressure of medical staff, on the other hand also ensure patient health, and structure is simple, low in cost, high reliablity.
Description
Technical field
The present invention relates to medical transfusion equipment technical field, in particular to a kind of transfusion control device and method.
Background technique
During clinical transfusion, if encountering the case where nurse is inconsiderate, and infusion is not handled in time when completing, sky will lead to
Gas enters patient vessel, causes blood samples of patients dyshaemia, or even forms air embolism and jeopardize patient vitals, it is therefore desirable to artificial
It monitors the progress of infusion, handles the case where infusion is completed in time, and artificially guard and not only increase family numbers of patients and medical staff
Operating pressure, on the other hand, also inevitably exist careless omission, threaten patient health.Exist in existing infusion device and passes through detection
The scheme whether perfusion tube vibrates to judge whether infusion is completed, but such scheme is not perfect for the filtering of external vibration
, simple detection vibration, being difficult to distinguish is vibration caused by vibration caused by infusion or external disturbance.
Summary of the invention
Judge to be infused the scheme completed there are the incomplete problem of filtering external vibration interference in view of the prior art, proposes
A kind of transfusion control device of the invention and method, to overcome the above problem or at least to be partially solved the above problem.
According to one aspect of the present invention, a kind of transfusion control device is provided, which includes: that transfusion speed is adjusted
Device, solenoid valve, acceleration transducer and main control unit；The transfusion speed controller and the solenoid valve are mounted on stilligout
On the perfusion tube of side；The main control unit is electrically connected with other each sections；
The transfusion speed controller is made of idler wheel and the rheostat being connected with idler wheel, and idler wheel rolls compression or release
Perfusion tube adjusts transfusion speed, and the rolling of idler wheel causes rheostat resistance value to generate corresponding change, and the rheostat converts resistance value
For voltage signal, it is sent to the main control unit；
The acceleration transducer, for capturing the vibration of drop whereabouts generation and sending collected vibration signal to
The main control unit；
The main control unit, the voltage signal sent for receiving the rheostat, and believed according to the voltage prestored
Number with drop frequency corresponding relationship, find out corresponding drop frequency as predeterminated frequency；And for receiving the acceleration
The vibration signal of sensor transmission calculates vibration frequency according to vibration signal, and compared with predeterminated frequency, judges vibration frequency
Whether rate meets predeterminated frequency；Predeterminated frequency is not met in the vibration frequency to reach after a certain period of time, is issued and is pressed from both sides to solenoid valve
The control instruction of tight perfusion tube；
The solenoid valve clamps perfusion tube, stops infusion for receiving the control instruction of the main control unit.
Optionally, the transfusion control device further include: buzzer, the buzzer are electrically connected with the main control unit,
The control instruction completed for receiving the infusion that the main control unit issues, plays the report that infusion is completed according to the control instruction
Alert sound.
Optionally, the transfusion control device further include: the radio communication mold group with antenna, the radio communication mold group
It is electrically connected the main control unit；
The main control unit is also used to send by the wireless telecommunications mould group with antenna to remote control center defeated
The warning message that liquid velocity information and infusion are completed.
Optionally, the transfusion control device further include: key, the key is for controlling the transfusion control device
It opens and closes, and releases the alarm condition of the transfusion control device.
Optionally, the transfusion control device further includes display unit, and the display unit is electrically connected with the main control unit
It connects, for showing transfusion speed and warning message.
According to another aspect of the invention, a kind of infusion control method is provided, which comprises
Transfusion speed controller is set, which is made of idler wheel and the rheostat being connected with idler wheel, is rolled
Wheel rolls compression or release perfusion tube adjusts transfusion speed, and the rolling of idler wheel causes rheostat resistance value to generate corresponding change, variable resistance
Resistance value is converted voltage signal by device；
Acceleration transducer is set, and the vibration generated for capturing drop whereabouts acquires vibration signal；
The voltage signal is obtained, and according to the voltage signal and drop frequency corresponding relationship prestored, is found out corresponding
Drop frequency is as predeterminated frequency；And obtain the vibration signal, vibration frequency is calculated according to vibration signal, and with default frequency
Rate compares, and judges whether vibration frequency meets predeterminated frequency；Predeterminated frequency, which is not met, in the vibration frequency reaches certain time
Afterwards, the control instruction for clamping perfusion tube is issued to solenoid valve；
Solenoid valve receives the control instruction, clamps perfusion tube, stops infusion.
Optionally, the method also includes:
Buzzer is set and receives the control instruction that infusion is completed, the alarm that infusion is completed is played according to the control instruction
Sound.
Optionally, the method also includes: be provided with the radio communication mold group of antenna, pass through the nothing with antenna
The warning message that line communication module group sends transfusion speed information to remote control center and infusion is completed.
Optionally, the method also includes the opening and closing that: setting button controls transfusion control device, and release dress
The alarm condition set.
Optionally, this method further include: setting display unit shows transfusion speed and warning message.
In conclusion transfusion control device and method of the invention, are got by the rheostat of transfusion speed controller
Voltage signal corresponding with transfusion speed is dripped the vibration signal fallen by acceleration transducer collection liquid, passes through main control unit
According to the voltage signal and drop frequency corresponding relationship prestored, corresponding drop frequency is found out as predeterminated frequency；And root
Vibration frequency is calculated according to vibration signal, and compared with predeterminated frequency, judges whether vibration frequency meets predeterminated frequency；In the vibration
Dynamic frequency does not meet predeterminated frequency and reaches the completion of judgement infusion after a certain period of time, passes through the control for issuing to solenoid valve and clamping perfusion tube
System instruction stops infusion, and infusion can be terminated automatically after the completion of infusion, prevents air from entering patient's body, alleviates patient house
Belong to the pressure with medical staff, ensure that patient health, since the present invention is by detecting whether infusion liquid drop vibration frequency accords with
Conjunction predeterminated frequency is judgment criteria, can more effectively interfere filtering external caused by vibrating, improve the accuracy of control, and tie
Structure is simple, low in cost, high reliablity.
Detailed description of the invention
Fig. 1 is a kind of transfusion control device schematic diagram provided by one embodiment of the present invention；
Fig. 2 is a kind of transfusion control device schematic diagram that another embodiment of the present invention provides；
Fig. 3 is a kind of transfusion control device structure chart provided by one embodiment of the present invention；
Fig. 4 is a kind of infusion control method flow chart provided by one embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of transfusion control device schematic diagram provided by one embodiment of the present invention.As shown in Figure 1, the infusion control
Device 100 processed includes: transfusion speed controller 110, solenoid valve 120, acceleration transducer 130, battery 140 and main control unit
150；The transfusion speed controller 110 and the solenoid valve 120 are mounted on the perfusion tube above stilligout, convenient for infusion
The compression of speed regulator 110 or release perfusion tube adjust transfusion speed, and clamp perfusion tube by solenoid valve 120, control defeated
Liquid stops；The battery 140 is the main control unit 150 power supply, and the main control unit 150 is electrically connected with other each sections.
The transfusion speed controller 110, is made of idler wheel and the rheostat being connected with idler wheel, and idler wheel rolls compression or releases
Put perfusion tube and adjust transfusion speed: compression perfusion tube, speed slow down, and discharge perfusion tube, and speed is accelerated.The rolling of idler wheel causes to become
It hinders device resistance value and generates corresponding change, rheostat converts voltage signal for resistance value, is sent to main control unit 150.By by idler wheel
Use is connected with rheostat, is kept rheostat resistance value and transfusion speed corresponding, and convert voltage signal for resistance, is facilitated master control
Device processed obtains and processing.
The acceleration transducer 130, for capturing the vibration of drop whereabouts generation and passing collected vibration signal
Give main control unit 150.Acceleration transducer high sensitivity can capture the microvibration that drop whereabouts generates, and it is accurate to obtain
Vibration parameters.
The main control unit 150, for receiving the voltage signal of rheostat transmission, and according to voltage and the drop frequency prestored
Rate corresponding relationship finds out corresponding drop frequency, as predeterminated frequency；And it is transmitted for receiving acceleration transducer 130
Vibration signal, vibration frequency is calculated according to vibration signal, and compared with predeterminated frequency, it is default to judge whether vibration frequency meets
Frequency；Predeterminated frequency is not met in the vibration frequency to reach after a certain period of time, and the control for clamping perfusion tube is issued to solenoid valve 120
System instruction.
Whether meet predeterminated frequency according to vibration frequency, i.e., the frequency that drop falls whether there is, and judge whether infusion is complete
At, it further reduces because perfusion tube is encountered, people's activity for be infused generates malfunction, causes to report by mistake, raising accuracy.
The solenoid valve 120 clamps perfusion tube, stops infusion, realize for receiving the control instruction of main control unit 150
It terminates infusion automatically after the completion of infusion, prevents air from entering patient's body, alleviate family numbers of patients and the work of medical staff
Pressure ensure that patient health.
Fig. 2 is a kind of transfusion control device schematic diagram that another embodiment of the present invention provides.As shown in Fig. 2, the infusion
Control device 200 includes: transfusion speed controller 210, solenoid valve 220, acceleration transducer 230, battery 240 and main control unit
250.Wherein, transfusion speed controller 210, solenoid valve 220, acceleration transducer 230, battery 240 and main control unit 250 and figure
Transfusion speed controller 110 shown in 2, solenoid valve 120,150 positional relationship of acceleration transducer 130, battery 140 and main control unit
Corresponded to function identical, details are not described herein.
Transfusion control device 200 shown in Fig. 2 further include: buzzer 260, the buzzer 260 are electrically connected with main control unit 250
It connects, the control instruction that the infusion for receiving the sending of main control unit 250 is completed plays what infusion was completed according to the control instruction
Alarm sound.Audible alarm is carried out after the completion of infusion, and infusion is reminded to complete.
In one embodiment of the invention, the transfusion control device 200 further include: the radio communication mold with antenna
Group 270, the radio communication mold group 270 are electrically connected main control unit 250, and wireless module can be (a kind of low using bluetooth, Zigbee
The wireless network protocol of fast short-distance transmission) or the different communication such as WiFi.
The main control unit 250 is also used to wireless telecommunications mould group 270 by described with antenna to remote control center
The warning message for sending transfusion speed information and infusion completion obtains the medical staff of control centre in first time and has been infused
At notification message, the sufferer for infusion further is serviced in time.
In one embodiment of the invention, the transfusion control device 200 further include: key 280, the key 280
For controlling the opening and closing of the transfusion control device 200, and the alarm shape of the releasing transfusion control device 200
State, convenient for the use next time of device.
In one embodiment of the invention, the transfusion control device 200 further includes display unit 290, the display
Unit 290 is electrically connected with main control unit 250, intuitive convenient for observation for showing transfusion speed and warning message.
Fig. 3 is a kind of transfusion control device structure chart provided by one embodiment of the present invention；Transfusion control device main body bundle
It ties up on stilligout, guarantees relatively stable.Transfusion speed controller and solenoid valve are all fixed on the perfusion tube above stilligout.
Drop dropping frequency is controlled by transfusion speed controller, using the control mode of similar traditional infusion pipe, uses idler wheel
Speed is controlled, perfusion tube is compressed, speed slows down, and discharges perfusion tube, and speed is accelerated.Idler wheel drives rheostat, and rolling causes resistance
Variation, keeps the resistance value corresponding with liquid drop speed, resistance value is converted to voltage signal through oversampling circuit and is sent to master by rheostat
Unit is controlled, main control unit is interior by chip microcontroller, and inside saves the corresponding relationship of voltage value and speed, by searching for the correspondence
Relationship obtains the frequency of infusion liquid drop vibration, and using the frequency as predeterminated frequency.
When infusion, drop falls each time, can all have a small vibration, the acceleration transducer in main body can capture
This vibration, and collected vibration signal is sent to main control unit.Main control unit can filter one according to the amplitude of vibration
Interference caused by a little external substantially vibrations, obtains accurate drop vibration signal by acceleration transducer, and calculate vibration frequency
Rate, main control unit by the vibration frequency being calculated compared with predeterminated frequency, when detecting that vibration frequency do not meet predeterminated frequency
Reach after a certain period of time, being judged as drop vibration terminates, and infusion stops, and controls solenoid valve, and pinch off perfusion tube stops infusion, together
When trigger buzzer, make a sound alarm, and send out transfusion speed information and warning information by the wireless module with antenna
It is sent to remote control center, nurse on duty is allowed to react in first time.
Fig. 4 is a kind of infusion control method flow chart provided by one embodiment of the present invention.As shown in figure 4, control of being infused
Method processed includes:
Step S110 is arranged transfusion speed controller, is made of idler wheel and the rheostat being connected with idler wheel, and idler wheel rolls pressure
Contracting or release perfusion tube adjust transfusion speed, and the rolling of idler wheel causes rheostat resistance value to generate corresponding change, and rheostat is by resistance value
It is converted into voltage signal.
Acceleration transducer is arranged in step S120, and the vibration generated for capturing drop whereabouts acquires vibration signal.
Step S130, receives the voltage signal, and according to the voltage and drop frequency corresponding relationship prestored, finds out pair
The drop frequency answered, as predeterminated frequency；And the vibration signal of the acceleration transducer transmission is received, according to vibration
Signal calculates vibration frequency, and compared with predeterminated frequency, judges whether vibration frequency meets predeterminated frequency；In the vibration frequency
It does not meet predeterminated frequency to reach after a certain period of time, the control instruction for clamping perfusion tube is issued to solenoid valve.
Step S140, solenoid valve receive the control instruction, clamp perfusion tube, stop infusion.
In one embodiment of the invention, the infusion control method further include:
Step S150, setting buzzer receive the control instruction that infusion is completed, and have been infused according to control instruction broadcasting
At alarm sound.
In one embodiment of the invention, the infusion control method further include:
Step S160 is provided with the radio communication mold group of antenna, by the wireless telecommunications mould group with antenna to
The warning message that remote control center sends transfusion speed information and infusion is completed.
In one embodiment of the invention, the infusion control method further include:
Step S170, setting button controls the opening and closing of transfusion control device, and releases the alarm condition of device.
In one embodiment of the invention, the infusion control method further include:
Step S180, setting display unit show transfusion speed and warning message.
It should be noted that each embodiment of method shown in Fig. 4 is corresponding with each embodiment of figure 1 above-Fig. 2 shown device
It is identical, it has been described in detail above, details are not described herein.
In conclusion transfusion control device and method of the invention, by detecting whether infusion liquid drop vibration frequency meets
Predeterminated frequency is judgment criteria, can more effectively interfere filtering external caused by vibrating, improve the accuracy of control；It can be defeated
It is automatic after the completion of liquid to terminate infusion, prevent air from entering patient's body；It is alarmed, is informed by buzzer after the completion of infusion
Field Force is handled, and wirelessly notifies the medical staff of control centre in first time simultaneously, facilitates doctor
Shield personnel are patient service in time；Setting button controls the opening and closing of transfusion control device and releases alarm condition, side
Just the recycling of control device；Display unit is set, the letter such as transfusion speed and alarm can be intuitively shown by display unit
Breath, convenient for observation.In short, on the one hand technical solution of the present invention alleviates family numbers of patients and the operating pressure of medical staff, separately
On the one hand the health of patient is also ensured, and structure is simple, low in cost, high reliablity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (5)
1. a kind of transfusion control device, which is characterized in that the device includes: transfusion speed controller, solenoid valve, acceleration sensing
Device and main control unit；The transfusion speed controller and the solenoid valve are mounted on the perfusion tube above stilligout；The master
Control unit is electrically connected with other each sections；
The transfusion speed controller is made of idler wheel and the rheostat being connected with idler wheel, and idler wheel rolls compression or release infusion
Pipe adjusts transfusion speed, and the rolling of idler wheel causes rheostat resistance value to generate corresponding change, and resistance value is converted electricity by the rheostat
Signal is pressed, the main control unit is sent to；
The acceleration transducer, for capturing the vibration of drop whereabouts generation and sending collected vibration signal to described
Main control unit；
The main control unit, the voltage signal sent for receiving the rheostat, and according to the voltage signal prestored with
Drop frequency corresponding relationship finds out corresponding drop frequency as predeterminated frequency；And for receiving the acceleration sensing
The vibration signal of device transmission calculates vibration frequency according to vibration signal, and compared with predeterminated frequency, judges that vibration frequency is
It is no to meet predeterminated frequency；It does not meet predeterminated frequency in the vibration frequency to reach after a certain period of time, it is defeated to issue clamping to solenoid valve
The control instruction of liquid pipe；
The solenoid valve clamps perfusion tube, stops infusion for receiving the control instruction of the main control unit.
2. transfusion control device as described in claim 1, which is characterized in that the transfusion control device further include: buzzer,
The buzzer is electrically connected with the main control unit, the control instruction completed for receiving the infusion that the main control unit issues,
The alarm sound that infusion is completed is played according to the control instruction.
3. transfusion control device as described in claim 1, which is characterized in that the transfusion control device further include: have day
The radio communication mold group of line, the radio communication mold group are electrically connected the main control unit；
The main control unit is also used to send infusion speed to remote control center by the wireless telecommunications mould group with antenna
Spend the warning message of information and infusion completion.
4. transfusion control device as described in claim 1, which is characterized in that the transfusion control device further include: key, institute
Key is stated for controlling the opening and closing of the transfusion control device, and the alarm shape of the releasing transfusion control device
State.
5. transfusion control device as described in claim 1, which is characterized in that the transfusion control device further includes that display is single
Member, the display unit is electrically connected with the main control unit, for showing transfusion speed and warning message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510631955.1A CN105169526B (en) | 2015-09-29 | 2015-09-29 | A kind of transfusion control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510631955.1A CN105169526B (en) | 2015-09-29 | 2015-09-29 | A kind of transfusion control device |
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| CN105169526A CN105169526A (en) | 2015-12-23 |
| CN105169526B true CN105169526B (en) | 2019-04-30 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492307A (en) * | 2016-12-31 | 2017-03-15 | 江苏顺源集团有限公司 | A kind of intravenous inject transfusion sensor |
| CN107441590A (en) * | 2017-09-19 | 2017-12-08 | 宿迁学院 | A kind of novel infusion monitoring system and its monitoring method |
| CN110081221A (en) * | 2018-01-26 | 2019-08-02 | 科尼格沃斯(无锡)医学科技有限公司 | Multi-channel electromagnetic valve control, electromagnetic valve device and electromagnetic valve control method including the controller |
| CN109106995B (en) * | 2018-08-27 | 2020-11-27 | 周世香 | Automatic infusion tube of reporting to police |
| CN110464329B (en) * | 2019-07-19 | 2020-06-02 | 东北大学 | Method and device for measuring blood flow velocity distribution |
| CN110639094B (en) * | 2019-09-20 | 2022-02-01 | 和宇健康科技股份有限公司 | Medical infusion control method and device, storage medium and terminal equipment |
| CN114272466B (en) * | 2022-01-05 | 2024-02-23 | 东莞康华医院有限公司 | Infusion structure with timing function |
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| CN2766857Y (en) * | 2004-06-22 | 2006-03-29 | 李元章 | Vibration sensing type transfusion alarming device |
| CN202478323U (en) * | 2012-01-18 | 2012-10-10 | 李燕子 | Infusion device with vibration and alarm functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070093786A1 (en) * | 2005-08-16 | 2007-04-26 | Medtronic Minimed, Inc. | Watch controller for a medical device |
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| CN2766857Y (en) * | 2004-06-22 | 2006-03-29 | 李元章 | Vibration sensing type transfusion alarming device |
| CN202478323U (en) * | 2012-01-18 | 2012-10-10 | 李燕子 | Infusion device with vibration and alarm functions |
| CN104014039A (en) * | 2014-05-13 | 2014-09-03 | 苏州瓦屋物联网科技有限公司 | Fluid infusion monitoring device having alarm indication and controlled by host computer |
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