CN215821946U - Infusion monitoring device - Google Patents
Infusion monitoring device Download PDFInfo
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- CN215821946U CN215821946U CN202121517022.7U CN202121517022U CN215821946U CN 215821946 U CN215821946 U CN 215821946U CN 202121517022 U CN202121517022 U CN 202121517022U CN 215821946 U CN215821946 U CN 215821946U
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- resistor
- infusion
- electrically connected
- voltage comparator
- inverter
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- 238000001802 infusion Methods 0.000 title claims abstract description 97
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000012545 processing Methods 0.000 claims abstract description 28
- 239000003978 infusion fluid Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 abstract description 19
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 239000000243 solution Substances 0.000 description 13
- 238000001990 intravenous administration Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 241001411320 Eriogonum inflatum Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an infusion monitoring device which is used for monitoring an infusion process and is arranged on an infusion device. The utility model discloses an infusion monitoring device, which monitors the infusion speed and the liquid level of an infusion bottle respectively through an infusion speed detection circuit and an infusion liquid level detection circuit, and transmits sensing data to a processing circuit, and the processing circuit displays the infusion speed and the liquid level on a background management platform in real time through a wireless transmission circuit after processing.
Description
Technical Field
The utility model belongs to the technical field of infusion monitoring, and particularly relates to an infusion monitoring device.
Background
Intravenous infusion techniques are a common clinical medical treatment. The current common intravenous infusion mode is that an infusion bottle is hung upside down on a bracket in a hanging way, the infusion bottle is connected with an infusion apparatus through puncture in a bottle stopper, and liquid medicine flows from top to bottom to each device on the infusion apparatus and is infused into a human body from an intravenous needle. The infusion apparatus generally comprises a vein needle, a protective cap, a luer connector, a liquid medicine filter, a flow rate regulator, a drip cup, a precise filtering device, a bottle stopper puncture outfit and an air inlet pipe air filter assembly, wherein all the components are communicated and connected through infusion hoses. When the infusion bottle is used, air enters the infusion bottle from the air inlet needle hole of the air inlet pipe, bubbles are generated and penetrate upwards through the liquid to be discharged from the liquid level, and therefore the liquid level and the bottom space of the infusion bottle are integrated to generate air pressure so that liquid medicine is infused into a human body from the intravenous needle.
However, the medical liquid in the current medical infusion apparatus can not be cut off automatically in advance, and the medical liquid in the infusion apparatus can not be closed automatically when no one is in duty after the infusion is finished. This requires to be guarded constantly, otherwise the air will be followed closely and get into patient's blood vessel or produce the phenomenon of blood return after the infusion is totally lost, if not handled in time, can influence patient's life safety in the serious time, but medical personnel can't be watched at the patient's side all the time, and can't monitor the speed of infusion in real time, if the infusion speed is too fast and speed is too slow can cause the healthy influence to the patient.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an infusion monitoring device which monitors the infusion speed and the liquid level of an infusion bottle through an infusion speed detection circuit and an infusion liquid level detection circuit respectively, and transmits sensing data to a processing circuit, the processing circuit displays the infusion speed and the liquid level in a background management platform in real time through a wireless transmission circuit after processing, and gives an alarm prompt when the infusion speed and the liquid level are lower than threshold values, so that a background manager can carry out all-around monitoring on regional infusion, and the infusion safety is ensured.
In order to achieve the above objects, the present invention provides an infusion monitoring device, which is used for monitoring an infusion process and is installed on an infusion device (an infusion bottle and an infusion tube), the infusion monitoring device comprises a housing, a circuit board and a battery, wherein the circuit board and the battery are both installed on the housing and are electrically connected with each other, the circuit board comprises an infusion speed detection circuit (installed on the infusion tube), an infusion liquid level detection circuit (installed on the infusion bottle), a processing circuit and a wireless transmission circuit, wherein:
the infusion speed detection circuit is electrically connected with the processing circuit, the infusion speed detection circuit comprises a voltage comparator U1, a voltage comparator U2, an infrared emission tube D1 and an infrared receiving tube D2, the infrared receiving tube D2 is electrically connected with the positive input end of the voltage comparator U1, the output end of the voltage comparator U1 is electrically connected with the negative input end of the voltage comparator U2 through a resistor R8, and the output end of the voltage comparator U2 is electrically connected with the processing circuit (infusion data obtained through detection is transmitted to a single-chip STC89 of the processing circuit, the infusion speed is obtained through pulse counting, and then the obtained infusion speed is transmitted to a background management platform through a wireless transmission circuit to be displayed for monitoring the infusion speed);
the infusion liquid level detection circuit comprises an inverter U3, an inverter U4, a detection capacitor C7 (metal sheets are attached to two sides of the body of an infusion bottle to serve as detection capacitors), an operation device U5 and an operation device U6, the inverter U3 is electrically connected with the inverter U4, the inverter U4 and the detection capacitor C7 are respectively electrically connected with the operation device U5, the output end of the operation device U5 is electrically connected with the negative electrode input end of the operation device U6 through a resistor R17, and the output end of the operation device U6 is electrically connected with a processing circuit (liquid level data obtained through detection is transmitted to a single-chip microcomputer STC89 of the processing circuit to obtain the height of an infusion liquid level, and then the obtained infusion speed is transmitted to a background management platform through a wireless transmission circuit to be displayed for monitoring the height of the infusion liquid level of the infusion bottle).
As a further preferable technical solution of the above technical solution, an anode of the infrared emission tube D1 is connected to a power source VCC through a resistor R1 and a cathode of the infrared emission tube D1 is grounded;
the anode of the infrared receiving tube D2 is grounded and the cathode of the infrared receiving tube D2 is connected with a power supply VCC through a resistor R2, and the cathode of the infrared receiving tube D2 is also electrically connected with the anode input end of the voltage comparator U1 through a resistor R3.
As a further preferable technical solution of the above technical solution, a resistor R7 is connected between the negative input end and the output end of the voltage comparator U1, the negative input end of the voltage comparator U1 is further grounded through a resistor R6 and a capacitor C1 in sequence, a common terminal of the resistor R6 and the capacitor C1 is grounded through a resistor R4, and a common terminal of the resistor R6 and the capacitor C1 is further connected to a power VCC through a resistor R5.
As a further preferable technical solution of the above technical solution, an output end of the inverter U3 is electrically connected to an input end of the inverter U4, an output end of the inverter U4 is electrically connected to a base of a transistor Q1 through a resistor R12, and an emitter of the transistor Q1 is grounded through a resistor R16 and the detection capacitor C7 in sequence.
As a further preferable technical solution of the above technical solution, a collector of the triode Q1 is electrically connected to an anode input end of the operational amplifier U5, the collector of the triode Q1 is further connected to the power VCC through a resistor R15 and a resistor R14 in sequence, and a common terminal of the resistor R14 and the resistor R15 is further grounded through a resistor R13.
As a further preferable technical solution of the above technical solution, a resistor R21 is connected between a negative input end and an output end of the operational amplifier U6, a resistor R20 and a capacitor C6 which are connected in series are connected in parallel at two ends of the resistor R21, a resistor R19 is connected between a positive input end and an output end of the operational amplifier U6, and a positive input end of the operational amplifier U6 is further grounded through a rheostat R18.
As a further preferable technical solution of the above technical solution, the circuit board further includes a temperature detection circuit, and the temperature detection circuit is electrically connected to the processing circuit (detects the temperature of the environment in real time, so that the background management platform knows the temperature of the infusion environment in real time, and adjusts the most suitable temperature).
Drawings
Fig. 1 is a circuit diagram of an infusion speed detection circuit of an infusion monitoring device of the present invention.
Fig. 2 is a circuit diagram of an infusion level detection circuit of an infusion monitoring device of the present invention.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
The utility model discloses an infusion monitoring device, and the specific embodiment of the utility model is further described by combining the preferred embodiment.
In the embodiments of the present invention, those skilled in the art note that the processing circuit, the wireless transmission circuit, and the like related to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model provides an infusion monitoring device, which is used for monitoring the infusion process and is arranged on an infusion device (an infusion bottle and an infusion tube), and comprises a shell, a circuit board and a battery, wherein the circuit board and the battery are both arranged on the shell and are electrically connected with each other, the circuit board comprises an infusion speed detection circuit (arranged on the infusion tube), an infusion liquid level detection circuit (arranged on the infusion bottle), a processing circuit and a wireless transmission circuit, wherein:
the infusion speed detection circuit is electrically connected with the processing circuit, the infusion speed detection circuit comprises a voltage comparator U1, a voltage comparator U2, an infrared emission tube D1 and an infrared receiving tube D2, the infrared receiving tube D2 is electrically connected with the positive input end of the voltage comparator U1, the output end of the voltage comparator U1 is electrically connected with the negative input end of the voltage comparator U2 through a resistor R8, and the output end of the voltage comparator U2 is electrically connected with the processing circuit (infusion data obtained through detection is transmitted to a single-chip STC89 of the processing circuit, the infusion speed is obtained through pulse counting, and then the obtained infusion speed is transmitted to a background management platform through a wireless transmission circuit to be displayed for monitoring the infusion speed);
the infusion liquid level detection circuit comprises an inverter U3, an inverter U4, a detection capacitor C7 (metal sheets are attached to two sides of the body of an infusion bottle to serve as detection capacitors), an operation device U5 and an operation device U6, the inverter U3 is electrically connected with the inverter U4, the inverter U4 and the detection capacitor C7 are respectively electrically connected with the operation device U5, the output end of the operation device U5 is electrically connected with the negative electrode input end of the operation device U6 through a resistor R17, and the output end of the operation device U6 is electrically connected with a processing circuit (liquid level data obtained through detection is transmitted to a single-chip microcomputer STC89 of the processing circuit to obtain the height of an infusion liquid level, and then the obtained infusion speed is transmitted to a background management platform through a wireless transmission circuit to be displayed for monitoring the height of the infusion liquid level of the infusion bottle).
Specifically, the anode of the infrared emission tube D1 is connected to a power supply VCC through a resistor R1 and the cathode of the infrared emission tube D1 is grounded;
the anode of the infrared receiving tube D2 is grounded and the cathode of the infrared receiving tube D2 is connected with a power supply VCC through a resistor R2, and the cathode of the infrared receiving tube D2 is also electrically connected with the anode input end of the voltage comparator U1 through a resistor R3.
More specifically, a resistor R7 is connected between the negative input end and the output end of the voltage comparator U1, the negative input end of the voltage comparator U1 is further grounded through a resistor R6 and a capacitor C1 in sequence, the common end of the resistor R6 and the capacitor C1 is grounded through a resistor R4, and the common end of the resistor R6 and the capacitor C1 is further connected to the power VCC through a resistor R5.
Further, an output end of the inverter U3 is electrically connected to an input end of the inverter U4, an output end of the inverter U4 is electrically connected to a base of the triode Q1 through a resistor R12, and an emitter of the triode Q1 is grounded through a resistor R16 and the detection capacitor C7 in sequence.
Furthermore, the collector of the triode Q1 is electrically connected with the positive input end of the operational amplifier U5, the collector of the triode Q1 is further connected to the power VCC through the resistor R15 and the resistor R14 in sequence, and the common connection end of the resistor R14 and the resistor R15 is further grounded through the resistor R13.
Preferably, a resistor R21 is connected between the negative input end and the output end of the operational amplifier U6, a resistor R20 and a capacitor C6 which are connected in series are connected in parallel at two ends of the resistor R21, a resistor R19 is connected between the positive input end and the output end of the operational amplifier U6, and the positive input end of the operational amplifier U6 is further grounded through a rheostat R18.
Preferably, the circuit board further comprises a temperature detection circuit, and the temperature detection circuit is electrically connected with the processing circuit (detects the temperature of the environment in real time, so that the background management platform knows the temperature of the infusion environment in real time and adjusts the most suitable temperature).
Preferably, the principle for the infusion speed detection circuit is:
the infrared transmitting tube D1 and the infrared receiving tube D2 are arranged at two sides of the infusion tube, when liquid drops, the optical power of the infrared receiving tube D2 changes when an optical signal sent by the infrared transmitting tube D1 penetrates through the liquid drops, and therefore the single chip microcomputer pulse counting of the processing circuit is combined, and the infusion speed is obtained.
The infusion liquid level detection circuit has the following principle:
metal sheets are attached to two sides of the body of the infusion bottle to serve as detection capacitors C7, the liquid level of the infusion bottle descends, the dielectric constant between two electrodes of the detection capacitor C7 is reduced, the capacitance value is reduced accordingly, the voltage rises after the capacitance-voltage conversion output, and therefore the height of the liquid level of the infusion bottle is obtained.
It should be noted that the technical features of the processing circuit, the wireless transmission circuit, and the like, which are referred to in the present patent application, should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode, which may be referred to, of the technical features should be selected conventionally in the field, and should not be regarded as the utility model point of the present patent, and the present patent is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides an infusion monitoring device for control infusion process installs in infusion set, includes shell, circuit board and battery, the circuit board with the battery all install in the shell and the circuit board with battery electric connection, its characterized in that, the circuit board includes infusion speed detection circuitry, infusion liquid level detection circuitry, processing circuit and wireless transmission circuit, wherein:
the infusion speed detection circuit is electrically connected with the processing circuit, the infusion speed detection circuit comprises a voltage comparator U1, a voltage comparator U2, an infrared emission tube D1 and an infrared receiving tube D2, the infrared receiving tube D2 is electrically connected with the positive input end of the voltage comparator U1, the output end of the voltage comparator U1 is electrically connected with the negative input end of the voltage comparator U2 through a resistor R8, and the output end of the voltage comparator U2 is electrically connected with the processing circuit;
the infusion liquid level detection circuit comprises an inverter U3, an inverter U4, a detection capacitor C7, an operation amplifier U5 and an operation amplifier U6, wherein the inverter U3 is electrically connected with the inverter U4, the inverter U4 and the detection capacitor C7 are respectively electrically connected with the operation amplifier U5, the output end of the operation amplifier U5 is electrically connected with the negative electrode input end of the operation amplifier U6 through a resistor R17, and the output end of the operation amplifier U6 is electrically connected with the processing circuit.
2. The infusion monitoring device according to claim 1, wherein the anode of said infrared emitting tube D1 is connected to the power source VCC through a resistor R1 and the cathode of said infrared emitting tube D1 is grounded;
the anode of the infrared receiving tube D2 is grounded and the cathode of the infrared receiving tube D2 is connected with a power supply VCC through a resistor R2, and the cathode of the infrared receiving tube D2 is also electrically connected with the anode input end of the voltage comparator U1 through a resistor R3.
3. The infusion monitoring device according to claim 2, wherein a resistor R7 is connected between the negative input end and the output end of the voltage comparator U1, the negative input end of the voltage comparator U1 is further grounded through a resistor R6 and a capacitor C1 in sequence, the common end of the resistor R6 and the capacitor C1 is grounded through a resistor R4, and the common end of the resistor R6 and the capacitor C1 is further connected with a power VCC through a resistor R5.
4. The infusion monitoring device according to claim 3, wherein an output terminal of the inverter U3 is electrically connected to an input terminal of the inverter U4, an output terminal of the inverter U4 is electrically connected to a base of a transistor Q1 through a resistor R12, and an emitter of the transistor Q1 is grounded through a resistor R16 and the detection capacitor C7 in sequence.
5. The infusion monitoring device according to claim 4, wherein the collector of the transistor Q1 is electrically connected to the positive input terminal of the operational amplifier U5, the collector of the transistor Q1 is further connected to the power source VCC through a resistor R15 and a resistor R14 in sequence, and the common connection terminal of the resistor R14 and the resistor R15 is further connected to the ground through a resistor R13.
6. The infusion monitoring device according to claim 5, wherein a resistor R21 is connected between a negative input end and an output end of the operational amplifier U6, a resistor R20 and a capacitor C6 are connected in series in parallel at two ends of the resistor R21, a resistor R19 is connected between a positive input end and an output end of the operational amplifier U6, and a positive input end of the operational amplifier U6 is grounded through a rheostat R18.
7. The infusion monitoring device of claim 6, wherein said circuit board further comprises a temperature sensing circuit, said temperature sensing circuit being electrically connected to said processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517022.7U CN215821946U (en) | 2021-07-05 | 2021-07-05 | Infusion monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517022.7U CN215821946U (en) | 2021-07-05 | 2021-07-05 | Infusion monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821946U true CN215821946U (en) | 2022-02-15 |
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ID=80191271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121517022.7U Expired - Fee Related CN215821946U (en) | 2021-07-05 | 2021-07-05 | Infusion monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821946U (en) |
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2021
- 2021-07-05 CN CN202121517022.7U patent/CN215821946U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |