CN104415433A - Measurement and control circuit for infusion temperature and infusion amount - Google Patents
Measurement and control circuit for infusion temperature and infusion amount Download PDFInfo
- Publication number
- CN104415433A CN104415433A CN201310390136.3A CN201310390136A CN104415433A CN 104415433 A CN104415433 A CN 104415433A CN 201310390136 A CN201310390136 A CN 201310390136A CN 104415433 A CN104415433 A CN 104415433A
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- CN
- China
- Prior art keywords
- temperature
- signal
- infusion
- flow velocity
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- A61M5/16886—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 for measuring fluid flow rate, i.e. flowmeters
-
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
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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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a measurement and control circuit for infusion temperature and infusion amount. The measurement and control circuit for infusion temperature and infusion amount comprises a light-operated switch, a counter, a temperature detector, an analog-digital conversion unit, a control unit, a driving unit, a display unit and a heating circuit. The control unit calculates the flow velocity signal of the infusion flow according to the received count signal, provides the temperature display signal according to the digital signal relative to the temperature, compares the display signal with the set temperature and provides the control amount; the flow velocity signal of the infusion flow, the temperature display signal and the control amount are respectively sent to the driving unit; the infusion flow and the flow velocity can be displayed by the display unit to be conveniently watched by the patient and the medical workers, the flow velocity can be changed by adjusting the throttle valve in necessity for obtaining better infusion effect. In addition, the heating circuit is used for heating the medicine liquid to the temperature, which is close to the temperature of human body, and the discomfort caused by the low temperature of the medicine liquid can be avoided for the patient.
Description
Technical field
The present invention relates to a kind of infusion set, particularly a kind of measurement and control circuit device added up infusion flow and control transfusion temperature.
Background technology
In prior art, there is a kind of transfusion device, its structure mainly includes upper tube body, upper tube body upper end is provided with for inserting tube for transfusion syringe needle in infusion bottle and breather syringe needle, upper tube body lower end is connected with dropping funnel, the lower end of dropping funnel is connected with lower tube body, and lower tube body lower end is connected with venous needle, and lower tube body is also provided with choke valve.When this transfusion device uses, tube for transfusion syringe needle and breather syringe needle are inserted and prepare in the infusion bottle of medicinal liquid, venous needle inserts in human vein simultaneously, and the medicinal liquid in infusion bottle can input human body, can control infusion flow by the flow controlling choke valve.Its weak point is: 1, the infusion flow of medicinal liquid can not intuitively reflect, and is unfavorable for monitoring; Its two, during medicinal liquid input human body, the problem that fluid temperature is low may be there is, human body can be caused uncomfortable.
Summary of the invention
The object of this invention is to provide a kind of transfusion temperature and amount of infusion telemetry circuit, the temperature of medicinal liquid infusion, display flow and flow velocity can be controlled.
The object of the present invention is achieved like this: a kind of transfusion temperature and amount of infusion telemetry circuit, comprise
Light-operated switch: be arranged on infusion unit titrimeter side, realizes the break-make of light-operated switch by the drop in dropping funnel; Enumerator: the break-make according to light-operated switch is added up medicinal liquid amount of droplets and this count results is sent to control unit;
Hygrosensor: for detecting the temperature of infuse medical fluid in tube for transfusion, formation temperature analogue signal;
AD conversion unit: convert temperature analog signal to digital signal and send to control unit;
Control unit: the count signal according to receiving calculates infusion flow flow velocity signal; The digital signal corresponding according to temperature provides Temperature displaying signal, contrasts simultaneously, provide controlled quentity controlled variable with design temperature; Infusion flow flow velocity signal, Temperature displaying signal, controlled quentity controlled variable send to driver element respectively;
Driver element: infusion flow flow velocity signal, Temperature displaying signal are exported to display unit through corresponding port respectively; Meanwhile, the signal of controlled quentity controlled variable is converted to transmission or analog signal to heater circuit;
Display unit: for showing infusion flow flow velocity and transfusion temperature;
Heater circuit: be switched on or switched off heating element heater according to the analog signals that driver element comes, heat to medicinal liquid or stop heating.
When the present invention works, on the one hand, by the flow of display unit display transfusion and flow velocity, the observation of patient and medical personnel can being facilitated, if desired, also by regulating choke valve, flow velocity can be changed, to reach effect of better infusing.On the other hand, can be heated to medicinal liquid by heater circuit, human body can be entered with the temperature infusion close to body temperature, occur the sense of discomfort caused because of medicinal liquid low temperature to avoid patient.Compared with prior art, beneficial effect of the present invention is that it can show flow, flow velocity, the temperature of transfusion more intuitively, can control fluid temperature simultaneously.
As a further improvement on the present invention, described control unit also has a road output signal to be connected to alarm unit.As not having drop for a long time, then count signal does not change, and now, expression infusion bottle sky or choke valve turns off, can send alarm signal, reminds medical personnel to process in time;
Accompanying drawing explanation
Fig. 1 is figure operation principle of the present invention.
Detailed description of the invention
As shown in Figure 1, be a kind of transfusion temperature and amount of infusion telemetry circuit, it mainly comprises
Light-operated switch: be arranged on infusion unit titrimeter side, realizes the break-make of light-operated switch by the drop in dropping funnel, a drop of liquid of often dripping, light-operated switch break-make once.
Enumerator: the break-make according to light-operated switch is added up medicinal liquid amount of droplets and this count results is sent to control unit.
Hygrosensor: for detecting transfusion temperature in tube for transfusion, formation temperature analogue signal.
AD conversion unit: convert temperature analog signal to digital signal and send to control unit.
Control unit: the count signal according to receiving calculates infusion flow flow velocity signal; The digital signal corresponding according to temperature provides Temperature displaying signal, contrasts simultaneously, provide controlled quentity controlled variable with design temperature; Infusion flow flow velocity signal, Temperature displaying signal, controlled quentity controlled variable send to driver element respectively; Control unit also has a road output signal to be connected to alarm unit, and as not having drop for a long time, then count signal does not change, and now, expression infusion bottle sky or choke valve turns off, can send alarm signal, reminds medical personnel to process in time.
Driver element: infusion flow flow velocity signal, Temperature displaying signal are exported to display unit through corresponding port respectively; Meanwhile, the signal of controlled quentity controlled variable is converted to transmission or analog signal to heater circuit.
Display unit: for showing infusion flow, flow velocity and transfusion temperature.
Heater circuit: be switched on or switched off heating element heater according to the analog signals that driver element comes, heat or stop heating to medicinal liquid, when temperature reaches design temperature, heating element heater stops heating or converts small area analysis heating to, to ensure the relatively stable of transfusion temperature.
This device can with disposable transfusion device with the use of, himself can repeated multiple timesly use.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection scope of the present invention.
Claims (2)
1. transfusion temperature and an amount of infusion telemetry circuit, is characterized in that comprising
Light-operated switch: be arranged on infusion unit titrimeter side, realizes the break-make of light-operated switch by the drop in dropping funnel;
Enumerator: the break-make according to light-operated switch is added up medicinal liquid amount of droplets and this count results is sent to control unit;
Hygrosensor: for detecting the temperature of infuse medical fluid in tube for transfusion, formation temperature analogue signal;
AD conversion unit: convert temperature analog signal to digital signal and send to control unit;
Control unit: the count signal according to receiving calculates infusion flow flow velocity signal; The digital signal corresponding according to temperature provides Temperature displaying signal, contrasts simultaneously, provide controlled quentity controlled variable with design temperature; Infusion flow flow velocity signal, Temperature displaying signal, controlled quentity controlled variable send to driver element respectively;
Driver element: infusion flow flow velocity signal, Temperature displaying signal are exported to display unit through corresponding port respectively; Meanwhile, the signal of controlled quentity controlled variable is converted to transmission or analog signal to heater circuit;
Display unit: for showing infusion flow flow velocity and transfusion temperature;
Heater circuit: be switched on or switched off heating element heater according to the analog signals that driver element comes, heat to medicinal liquid or stop heating.
2. telemetry circuit according to claim 1, is characterized in that described control unit also has a road output signal to be connected to alarm unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390136.3A CN104415433A (en) | 2013-08-30 | 2013-08-30 | Measurement and control circuit for infusion temperature and infusion amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390136.3A CN104415433A (en) | 2013-08-30 | 2013-08-30 | Measurement and control circuit for infusion temperature and infusion amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104415433A true CN104415433A (en) | 2015-03-18 |
Family
ID=52966245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310390136.3A Pending CN104415433A (en) | 2013-08-30 | 2013-08-30 | Measurement and control circuit for infusion temperature and infusion amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104415433A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075672A (en) * | 2016-08-16 | 2016-11-09 | 闫冰倩 | A kind of some dropping liquid intelligent heat preserving device |
| CN106267479A (en) * | 2016-08-16 | 2017-01-04 | 闫冰倩 | A kind of some dropping liquid intelligence heating, temperature keeping method |
-
2013
- 2013-08-30 CN CN201310390136.3A patent/CN104415433A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075672A (en) * | 2016-08-16 | 2016-11-09 | 闫冰倩 | A kind of some dropping liquid intelligent heat preserving device |
| CN106267479A (en) * | 2016-08-16 | 2017-01-04 | 闫冰倩 | A kind of some dropping liquid intelligence heating, temperature keeping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |
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| WD01 | Invention patent application deemed withdrawn after publication |