CN213698327U - Safety detection device for venous transfusion - Google Patents
Safety detection device for venous transfusion Download PDFInfo
- Publication number
- CN213698327U CN213698327U CN202020353636.5U CN202020353636U CN213698327U CN 213698327 U CN213698327 U CN 213698327U CN 202020353636 U CN202020353636 U CN 202020353636U CN 213698327 U CN213698327 U CN 213698327U
- Authority
- CN
- China
- Prior art keywords
- weighing sensor
- infusion
- switch
- detection device
- safety detection
- 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.)
- Active
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model particularly discloses a safety detection device for venous transfusion, which comprises a support frame, wherein a weighing sensor, a power-on switch and an alarm are arranged on the support frame, the output end of the weighing sensor is connected with the input end of the weighing sensor, the output end of the weighing sensor is connected with the input end of the power-on switch, and the power-on switch is connected in series between an external power supply and the alarm; the infusion apparatus comprises an infusion bottle, a vein needle, an infusion hose, a flow rate regulator and a drip cup, the drip cup is in conduction connection with the infusion bottle, one end of the infusion hose is in conduction connection with the drip cup, the other end of the infusion hose penetrates through the flow rate regulator to be in conduction connection with the vein needle, a weighing sensor is used for detecting the weight of the infusion bottle, and a flow stopping device is arranged in the drip cup. The utility model has the advantages of monitoring the transfusion quantity, informing the nurse in advance when the transfusion is about to be completed and automatically closing the transfusion.
Description
Technical Field
The utility model belongs to the technical field of medical instrument's technique and specifically relates to a venous transfusion safety inspection device is related to.
Background
At present, the traditional medical transfusion device produced and used by people inserts a puncture outfit of the transfusion device into a transfusion container, so that the transfusion container is communicated with a transfusion tube and an air inlet tube, the transfusion container is arranged at a high position, liquid medicine is introduced into the transfusion tube and a drip cup (bucket) under the action of gravity, when the liquid medicine level in the drip cup is about 2/3 of the height of the drip cup, air bubbles in the transfusion tube at the lower end of the drip cup are completely discharged, and a needle head is inserted into a vein of a patient to adjust the flow rate, so that normal.
Chinese patent publication No. CN205084105U discloses a multi-channel infusion apparatus comprising a six-way valve, the six-way valve comprising a valve body, an inlet and an outlet disposed at two ends of the valve body, and four channels disposed at two sides of the valve body, the four channels being disposed independently; the liquid inlet pipe is communicated with the inlet of the six-way valve, and a bottle inserting needle is arranged on the non-connecting end of the liquid inlet pipe; the liquid outlet pipe is communicated with the outlet of the six-way valve; a transfusion needle is arranged on the non-connecting end of the liquid outlet pipe; the funnel, the funnel sets up respectively on feed liquor pipe and drain pipe. The liquid inlet pipe is also provided with a regulator. And caps are respectively arranged on the four channels. The multi-channel infusion apparatus can be suitable for infusion apparatuses of different specifications and brands, and can meet the requirement of intravenous injection of various medicines for patients.
However, the infusion apparatus does not have any form of detection on the infusion liquid level, namely after the infusion is finished, the infusion is stopped completely by the timely observation of the patient or a nursing person, so that the rest of the patient is influenced, and the workload of the nursing person is increased. If not observed in time, it is also possible to allow air to enter the blood vessel causing an embolism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a venous transfusion safety inspection device has and monitors the infusion volume, notifies the nurse in advance and the advantage of self-closing infusion when the infusion is about to be accomplished.
In order to achieve the purpose, the venous transfusion safety detection device comprises a support frame, wherein a weighing sensor, an electrifying switch and an alarm are arranged on the support frame, the output end of the weighing sensor is connected with the input end of the weighing sensor, the output end of the weighing sensor is connected with the input end of the electrifying switch, and the electrifying switch is connected between an external power supply and the alarm in series;
the infusion apparatus comprises an infusion bottle, a vein needle, an infusion hose, a flow rate regulator and a drip cup, the drip cup is in conduction connection with the infusion bottle, one end of the infusion hose is in conduction connection with the drip cup, the other end of the infusion hose penetrates through the flow rate regulator to be in conduction connection with the vein needle, the weighing sensor is used for detecting the weight of the infusion bottle, and a flow stopping device is arranged in the drip cup.
Through adopting above-mentioned technical scheme, patient is when infusing, and weighing sensor is used for detecting the weight of infusion bottle, and along with the going on of infusion, the liquid in the infusion bottle reduces gradually, and when reducing to the weight of settlement, the circular telegram switch is in the closure state, and the siren sends alarm information, reminds patient and nurse. Meanwhile, when the transfusion is about to be finished and the liquid in the drip cup completely flows out, the drip cup is sealed by the flow stopping device, and the transfusion is stopped to prevent air from entering blood vessels to generate embolism or blood backflow of a patient.
The utility model discloses further set up to: the output end of the weighing sensor is connected with the data input end of the wireless communication unit.
Through adopting above-mentioned technical scheme, the nurse platform passes through the data that wireless communication unit received weighing sensor output, makes things convenient for nurse real time monitoring patient's infusion condition.
The utility model discloses further set up to: the wireless communication unit comprises a ZigBee wireless communication unit, the ZigBee wireless communication unit comprises a receiving end and a sending end, the receiving end and the sending end both comprise CC2530 chips, the output end of the weighing sensor is connected to the ADC module of the CC2530 chip of the sending end through the data input port of the CC2530 chip of the sending end, and the receiving end is used for receiving information sent by the sending end.
Through adopting above-mentioned technical scheme, set up the sending end in the room of patient's infusion, set up the receiving terminal at nurse's platform, the analog voltage signal of weighing sensor output is exported to the ADC module through the data input port of CC2530 chip and is turned into digital signal, sends to the receiving terminal, makes things convenient for nurse real time monitoring patient's the infusion condition.
The utility model discloses further set up to: the weighing sensor comprises a full-bridge weighing sensor and a signal processing unit, and two signal output ends of the full-bridge weighing sensor are connected with the input end of the signal processing unit.
The utility model discloses further set up to: the signal processing unit is a differential amplifier, and the output end of the differential amplifier is connected with the input end of the power-on switch.
By adopting the technical scheme, the weighing sensor detects the weight of the infusion bottle, and the voltage signal output by the differential amplifier is reduced along with the reduction of the weight of the infusion bottle, so that the effect of detecting the infusion condition is achieved.
The utility model discloses further set up to: the power-on switch comprises a voltage comparator U2 and an NPN triode switch Q1, the output end of the differential amplifier is connected with the inverting end of the voltage comparator U2, a reference voltage Vref is input to the non-inverting end of the voltage comparator U2, the output end of the voltage comparator U2 is connected with the base electrode b of the NPN triode switch Q1, the collector electrode c of the NPN triode switch Q1 is connected with an external power supply, the emitter electrode e of the NPN triode switch Q1 is grounded, and the alarm is connected in series between the emitter electrode e of the NPN triode switch Q1 and the grounding end.
By adopting the technical scheme, when the infusion is normally carried out, the voltage signal output by the differential amplifier is greater than the reference voltage Vref, the voltage comparator U2 outputs low level, the NPN triode switch Q1 is cut off, and the alarm is powered off; when the infusion is completed soon, the voltage signal output by the differential amplifier is smaller than the reference voltage Vref, the voltage comparator U2 outputs high level, the NPN triode switch Q1 is conducted, the alarm is electrified to work, and the alarm gives out warning sound.
The utility model discloses further set up to: the end of the drip cup connected with the transfusion hose is funnel-shaped, and the flow stopping device is a small flow stopping ball.
Through adopting above-mentioned technical scheme, the ball that ends flows is the very light ball of quality, and when having liquid in the drip cup, the ball that ends flows floats on the liquid level, and when the infusion was about to accomplish, the ball joint that ends flows was in the one end that drip cup and hose connection, prevents that the air from getting into blood vessel and producing embolism or blood refluence.
The utility model discloses further set up to: the alarm is a buzzer.
By adopting the technical scheme, the buzzer can make a sound after being electrified to prompt a patient and a nurse to complete infusion.
To sum up, the utility model discloses a beneficial technological effect does:
1. the utility model has the advantages of monitoring the transfusion quantity, informing the nurse in advance when the transfusion is about to be finished and automatically closing the transfusion;
2. the utility model discloses the one end that drips kettle and infusion hose connection is for leaking hopper-shaped, and the device that ends flows is the ball that ends, and the ball that ends flows is the very light ball of quality, and when having liquid in dripping the kettle, the ball that ends flows floats on the liquid level, and when the infusion was about to accomplish, the ball joint that ends flows was in the one end that drips kettle and hose connection, prevented the air admission blood vessel to produce embolism or blood refluence.
Drawings
Fig. 1 is a schematic structural view of a safety detection device for intravenous infusion of the present invention.
Fig. 2 is a schematic circuit diagram for showing a full-bridge weighing sensor according to the present invention.
Fig. 3 is a schematic circuit diagram for showing the signal processing unit according to the present invention;
fig. 4 is a schematic circuit diagram for showing the power-on switch of the present invention;
fig. 5 is a schematic circuit diagram of a transmitting end of the present invention for showing a wireless communication unit;
fig. 6 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure, 1, a support frame; 2. a weighing sensor; 3. a power-on switch; 4. an alarm; 5. an infusion set; 51. an infusion bottle; 52. a venous needle; 53. a flexible infusion tube; 54. a flow rate regulator; 55. a drip cup; 56. a flow stopping ball.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to fig. 1 to 6 of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1, a venous transfusion safety detection device, includes support frame 1, is provided with weighing sensor 2, circular telegram switch 3 and siren 4 on the support frame 1, and weighing sensor 2's output is connected with weighing sensor 2's input, and weighing sensor 2's output is connected with circular telegram switch 3's input, and circular telegram switch 3 establishes ties between external power supply and siren 4. In this embodiment, the alarm 4 is a buzzer.
The device further comprises an infusion apparatus 5, the infusion apparatus 5 comprises an infusion bottle 51, a vein needle 52, an infusion hose 53, a flow rate regulator 54 and a drip cup 55, the drip cup 55 is in conduction connection with the infusion bottle 51, one end of the infusion hose 53 is in conduction connection with the drip cup 55, the other end of the infusion hose 53 penetrates through the flow rate regulator 54 to be in conduction connection with the vein needle 52, and the weighing sensor 2 is used for detecting the weight of the infusion bottle 51.
Specifically, when a patient is carrying out infusion, the weighing sensor 2 is used for detecting the weight of the infusion bottle 51, the liquid in the infusion bottle 51 is gradually reduced along with the progress of the infusion, and when the weight is reduced to a set weight, the power-on switch 3 is in a closed state, and the alarm 4 gives out alarm information to remind the patient and a nurse.
Referring to fig. 2 and 3, the weighing sensor 2 includes a full-bridge weighing sensor 2 and a signal processing unit, and two signal output ends of the full-bridge weighing sensor 2 are connected with an input end of the signal processing unit. The signal processing unit is a differential amplifier, and the output end of the differential amplifier is connected with the input end of the power-on switch 3. Referring to fig. 4, the power switch 3 includes a voltage comparator U2 and an NPN transistor switch Q1, an output terminal of the differential amplifier is connected to an inverting terminal of the voltage comparator U2, a reference voltage Vref is input to a non-inverting terminal of the voltage comparator U2, an output terminal of the voltage comparator U2 is connected to a base b of the NPN transistor switch Q1, a collector c of the NPN transistor switch Q1 is connected to an external power supply, an emitter e of the NPN transistor switch Q1 is grounded, and an alarm is connected in series between the emitter e of the NPN transistor switch Q1 and a ground terminal.
Specifically, the load cell 2 detects the weight of the iv bag 51, and the voltage signal output from the differential amplifier decreases as the weight of the iv bag 51 received decreases, thereby detecting the iv bag condition. When the infusion is normally carried out, the voltage signal output by the differential amplifier is greater than the reference voltage Vref, the voltage comparator U2 outputs low level, the NPN triode switch Q1 is cut off, and the alarm is powered off; when the infusion is completed soon, the voltage signal output by the differential amplifier is smaller than the reference voltage Vref, the voltage comparator U2 outputs high level, the NPN triode switch Q1 is conducted, the alarm is electrified to work, and the alarm gives out warning sound.
Referring to fig. 5, the apparatus further comprises a wireless communication unit, and the output terminal of the load cell 2 is connected to the data input terminal of the wireless communication unit. The wireless communication unit is for including zigBee wireless communication unit, and zigBee wireless communication unit includes receiving terminal and sending terminal, and receiving terminal and sending terminal all include CC2530 chip, and weighing sensor 2's output passes through the data input port P0.1 pin of the CC2530 chip of sending terminal to the ADC module of the CC2530 chip of sending terminal, and the receiving terminal is used for receiving the information that the sending terminal sent. It should be noted that, in this embodiment, the transmitting end is disposed in a room where a patient performs infusion, and the receiving end is disposed in a nurse station.
Specifically, the analog voltage signal that weighing sensor 2 output is exported to the ADC module through the data input port of CC2530 chip and is turned into digital signal, sends the receiving terminal, makes things convenient for nurse real time monitoring patient's the infusion condition.
The end of the drip cup 55 connected with the transfusion hose 53 of the device is funnel-shaped, and a small flow stopping ball 56 is arranged in the drip cup 55.
Specifically, the flow stopping ball 56 is a hollow ball with light weight, when liquid is in the drip cup 55, the flow stopping ball 56 floats on the liquid level, and when the transfusion is about to be completed, the flow stopping ball 56 is clamped at one end of the drip cup 55 connected with the hose, so that air is prevented from entering the blood vessel to generate embolism or blood backflow.
The implementation principle of the embodiment is as follows: when a patient is transfused, the weighing sensor 2 is used for detecting the weight of the transfusion bottle 51, the liquid in the transfusion bottle 51 is gradually reduced along with the progress of the transfusion, and when the weight is reduced to a set weight, the power-on switch 3 is in a closed state, and the alarm 4 gives out alarm information to remind the patient and a nurse. The analog voltage signal output by the weighing sensor 2 is output to the ADC module through the data input port of the CC2530 chip and converted into a digital signal, and the digital signal is sent to a receiving end, so that a nurse can conveniently monitor the transfusion condition of a patient in real time. When the drip cup 55 contains liquid, the flow stopping ball 56 floats on the liquid level, and when the transfusion is about to be finished, the flow stopping ball 56 is clamped at one end of the drip cup 55 connected with the hose to prevent air from entering blood vessels to generate embolism or blood backflow.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (8)
1. The safety detection device for venous transfusion is characterized by comprising a support frame (1), wherein a weighing sensor (2), an electrifying switch (3) and an alarm (4) are arranged on the support frame (1), the output end of the weighing sensor (2) is connected with the input end of the weighing sensor (2), the output end of the weighing sensor (2) is connected with the input end of the electrifying switch (3), and the electrifying switch (3) is connected between an external power supply and the alarm (4) in series;
the infusion apparatus (5) comprises an infusion bottle (51), a vein needle (52), an infusion hose (53), a flow rate regulator (54) and a drip cup (55), the drip cup (55) is in conduction connection with the infusion bottle (51), one end of the infusion hose (53) is in conduction connection with the drip cup (55), the other end of the infusion hose (53) penetrates through the flow rate regulator (54) to be in conduction connection with the vein needle (52), the weighing sensor (2) is used for detecting the weight of the infusion bottle (51), and a flow stopping device is arranged in the drip cup (55).
2. The intravenous infusion safety detection device of claim 1, wherein: the weighing system is characterized by further comprising a wireless communication unit, wherein the output end of the weighing sensor (2) is connected with the data input end of the wireless communication unit.
3. The intravenous infusion safety detection device of claim 2, wherein: the wireless communication unit comprises a ZigBee wireless communication unit, the ZigBee wireless communication unit comprises a receiving end and a sending end, the receiving end and the sending end both comprise CC2530 chips, the output end of the weighing sensor (2) is connected to the ADC module of the CC2530 chip of the sending end through the data input port of the CC2530 chip of the sending end, and the receiving end is used for receiving information sent by the sending end.
4. The intravenous infusion safety detection device of claim 1, wherein: the weighing sensor (2) comprises a full-bridge weighing sensor (2) and a signal processing unit, and two signal output ends of the full-bridge weighing sensor (2) are connected with the input end of the signal processing unit.
5. The intravenous infusion safety detection device of claim 4, wherein: the signal processing unit is a differential amplifier, and the output end of the differential amplifier is connected with the input end of the power-on switch (3).
6. The intravenous infusion safety detection device of claim 5, wherein: the power-on switch (3) comprises a voltage comparator U2 and an NPN triode switch Q1, the output end of the differential amplifier is connected with the inverting end of the voltage comparator U2, the same-phase end of the voltage comparator U2 is inputted with a reference voltage Vref, the output end of the voltage comparator U2 is connected with the base b of the NPN triode switch Q1, the collector c of the NPN triode switch Q1 is connected with an external power supply, the emitter e of the NPN triode switch Q1 is grounded, and the alarm (4) is connected in series between the emitter e of the NPN triode switch Q1 and the grounding end.
7. The intravenous infusion safety detection device of claim 1, wherein: the end of the drip cup (55) connected with the transfusion hose (53) is funnel-shaped, and the flow stopping device is a small flow ball (56).
8. The intravenous infusion safety detection device of claim 7, wherein: the alarm is a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020353636.5U CN213698327U (en) | 2020-03-19 | 2020-03-19 | Safety detection device for venous transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020353636.5U CN213698327U (en) | 2020-03-19 | 2020-03-19 | Safety detection device for venous transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213698327U true CN213698327U (en) | 2021-07-16 |
Family
ID=76765278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020353636.5U Active CN213698327U (en) | 2020-03-19 | 2020-03-19 | Safety detection device for venous transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213698327U (en) |
-
2020
- 2020-03-19 CN CN202020353636.5U patent/CN213698327U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100225494A1 (en) | Fluid Flow Outage Safety and Warning Device | |
| CN213698327U (en) | Safety detection device for venous transfusion | |
| CN208741635U (en) | Two-tube infusion apparatus | |
| CN213526828U (en) | Air embolism prevention infusion apparatus | |
| CN208405589U (en) | A kind of infusion device with monitoring function | |
| CN101288787A (en) | Automatic alarm transfusion system | |
| CN201088744Y (en) | Automatic alarm infusion set | |
| CN204766856U (en) | Infusion is with stopping dripping alarm device | |
| CN203710453U (en) | Medical safe infusion apparatus | |
| CN203989276U (en) | Intelligent transfusion monitor device | |
| CN212282392U (en) | Transfusion system for diabetes patient | |
| CN210844618U (en) | Multi-puncture infusion apparatus | |
| CN217219732U (en) | Drip-empty-prevention alarming double-fork infusion apparatus | |
| CN221332190U (en) | Improved transfusion system | |
| CN213099985U (en) | Burette type blood transfusion device | |
| CN209033375U (en) | Pocket monitoring alarm for venous infusion | |
| CN207755610U (en) | A kind of infusion warning device | |
| CN222150647U (en) | An infusion device with safe drug addition | |
| CN212235498U (en) | Infusion reminding device for improving medical safety of patient without accompanying person | |
| CN220385544U (en) | Clinical nursing intravenous infusion apparatus | |
| CN213158487U (en) | Infusion alarm device for cardiovascular internal medicine | |
| CN213667280U (en) | Self-stopping liquid medicine monitoring equipment | |
| CN214382516U (en) | Infusion device | |
| CN204723501U (en) | Disposable stopping drips automatic alarm transfusion device | |
| CN215537292U (en) | An infusion set with filtering function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |