CN202387058U - Automatic liquid level alarm for infusion - Google Patents
Automatic liquid level alarm for infusion Download PDFInfo
- Publication number
- CN202387058U CN202387058U CN2011203741712U CN201120374171U CN202387058U CN 202387058 U CN202387058 U CN 202387058U CN 2011203741712 U CN2011203741712 U CN 2011203741712U CN 201120374171 U CN201120374171 U CN 201120374171U CN 202387058 U CN202387058 U CN 202387058U
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- liquid level
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Abstract
The utility model relates to an automatic liquid level alarm for infusion, which comprises a liquid level measuring component and a liquid level alarm circuit. The liquid level measuring component is provided with more than one liquid level sensor on an insulating needle head. The liquid level sensors are connected with a liquid level alarm circuit which is equipped at an infusion bottleneck. The automatic liquid level alarm for infusion is provided with two or more stages of alarm. A prealarm is generated when the infusion liquid is almost discharged. When the liquid is totally discharged and is at the top end of an infusion pipe, the alarm is generated again. The automatic liquid level alarm for infusion has the following advantages: high reliability, simple structure, capability of being used repeatedly, high safety and high practicability. Pain caused by human negligence to the patient can be effectively prevented. Furthermore labor intensity of the medical personnel and load of the family member can be reduced.
Description
Technical field:
This utility model relates to medical apparatus and instruments, and the liquid level autoalarm is used in particularly a kind of transfusion.
Background technology:
China is a medical big country, and is populous, and amount of infusion is big especially.At present, in the medical venous transfusion process, need medical personnel, patient or family numbers of patients to pay close attention to the transfusion situation constantly usually.When injection is soon used up, should in time close transfusion catheter.The artificial way of keeping watch on transfusion state of this kind is usually failed in time to close tube for transfusion or is changed infusion bottle because of carelessness, as because of tired, busy or do not see clearly or the like.So can cause venous backflow to go into transfusion catheter; Sometimes be totally lost for one bottle, hydraulic pressure and blood pressure balance, time liquid blood solidifies in pin and causes transfusion not proceed again, has to heavily prick a pin, brings misery to the patient; If let the air admission vein blood vessel, then will cause malpractice.
Summary of the invention:
This utility model is to overcome deficiency and the defective that prior art exists, and provides a kind of transfusion to use the liquid level autoalarm.
Technical scheme: the liquid level autoalarm is used in a kind of transfusion; Comprise level gauging parts and liquid level alarm circuit, said level gauging parts are that the root at the insulation syringe needle is provided with annular outer cover, simultaneously on the insulation medicated pillow, are provided with more than one level sensor at least; Sealing and fixing has the circuit board and the power supply electronics of liquid level alarm circuit in the shell; One side of shell is equipped with speaker, and speaker is connected with the circuit board outfan through interlayer, and the speaker front is provided with sound hole; Level sensor lead on the said insulation syringe needle embeds the syringe needle inboard and is connected with the signal input port of circuit board.
Said level gauging parts are a kind of triangular shape insulators that place in the infusion bottle; Three faces of insulator are respectively arranged with upper, middle and lower 3 place's level monitoring points; Miniature level sensor is installed on each level monitoring point, and each level sensor is connected with liquid level alarm circuit through being embedded in the triangular shape intravital guiding that insulate respectively.
Said liquid level alarm circuit is made up of two groups of Level Detection and warning drive circuit, and first Level Detection and warning drive circuit comprise the liquid level detection circuit that is made up of audion BGl and BG2, the warning vibration sound circuit that is made up of audion BG3 and BG4; Second Level Detection and voice alarm circuit 2 are made up of audion BG5 and a voice alarm circuit audion BG6 of detecting liquid level; Wherein the base stage of audion BG5 links to each other with the level sensor of locating down; The colelctor electrode of audion BG5 links to each other with the base stage of audion BG6, and the emitter stage of audion BG6 links to each other with the control end of speech chip HY.
On the said triangular shape insulator between the liquid level measuring point vertical interval be 5～6.5mm.
The base stage of the audion BGl of first Level Detection and warning drive circuit links to each other with the level sensor of going up most the place; Being positioned at intermediary level sensor links to each other with the positive pole of power supply through K switch; The colelctor electrode of audion BGl links to each other with the base stage of audion BG2; The base stage of audion BG3 in the emitter stage of BG2 and the vibration sound circuit of reporting to the police links to each other; The colelctor electrode of audion BG3 links to each other with the base stage of audion BG4, and the colelctor electrode of BG4 links to each other with the end of speaker Y, and the other end of speaker Y links to each other with power cathode.
Beneficial effect:
1, this utility model is provided with two-stage or multistage warning, and early warning is arranged when transfusion liquid is intact soon, and oneself is intact and when being in tube for transfusion top (end that links to each other with infusion bottle) when liquid, warning once again.Reliability is high, can effectively avoid human negligence to bring painful of patient and alleviate medical personnel's labor intensity and family members' burden.
2, comprise be arranged on the syringe needle root by the level gauging parts of encapsulation process; Thereby whole syringe needle is returned the utilization again that carries out disinfection with tube for transfusion after use; Because it is inboard that level sensor on the syringe needle and lead all embed the insulation syringe needle, and the level gauging parts are not disinfected so do not influence normally by encapsulation process; Can recycle to reach and economize on resources the purpose that reduces cost.It is simple in structure, and safe and practical characteristics are beneficial to promotion and implementation.
Description of drawings
Fig. 1 is the detection part cross-sectional view of this utility model;
Fig. 2 is a kind of circuit theory diagrams of this utility model.
The specific embodiment
Embodiment one: referring to Fig. 1, label 3 is the insulation medicated pillow among the figure, and 4 is infusion bottle.The liquid level autoalarm is used in a kind of transfusion; Comprise one a group of level gauging parts 7 and a cover liquid level alarm circuit; Level gauging parts 7 are that the root at insulation syringe needle 3 is provided with annular outer cover, and simultaneously the level gauging parts are to be disposed with B, A, three level sensors of C from top to bottom at the insulation syringe needle.Sealing and fixing has the circuit board 71 and the power supply electronics 75 of liquid level alarm circuit in the shell, and a side of shell is equipped with speaker 73, and speaker 73 is connected with circuit board 71 outfans through interlayer 74, and speaker 73 fronts are provided with sound hole; Level sensor lead on the said insulation syringe needle 3 embeds the syringe needle inboard and is connected with the signal input port of circuit board 71.
And; The level gauging parts are a kind of triangular shape insulators that place in the infusion bottle; Three faces of insulator are respectively arranged with upper, middle and lower 3 place's level monitoring points; Miniature level sensor is installed on each level monitoring point, and each level sensor is connected with liquid level alarm circuit through being embedded in the triangular shape intravital guiding that insulate respectively.
Embodiment two: referring to Fig. 1 and Fig. 2; Show that in Fig. 2 the level gauging parts are a kind of triangular shape insulators 3 that place in the infusion bottle; Three places, three branch upper, middle and lower of insulator respectively are provided with a liquid level measuring point respectively; Label 1 is the first liquid level warning drive circuit in scheming among Fig. 2, and 2 is the second liquid level warning drive circuit, and A, B, C represent three measuring point present positions.Vertical interval is 5～6.5mm between measuring point.Measuring point C can be provided with than the end some, 2mm is good on the tube for transfusion top (end that links to each other with infusion bottle) to be in.Show like Fig. 1; The base stage of the audion BGl of first Level Detection and warning drive circuit 1 links to each other with the B point of one of Level Detection point; Level Detection point A links to each other with the positive pole of power supply through K switch; The colelctor electrode of audion BGl links to each other with the base stage of audion BG2, and the base stage of the audion BG3 in the emitter stage of BG2 and the vibration sound circuit of reporting to the police links to each other, and the colelctor electrode of BG3 links to each other with the base stage of audion BG4; The colelctor electrode of BG4 links to each other with the end of speaker Y, speaker Y the other end link to each other with power cathode.The base stage of the audion BG5 of second Level Detection and warning drive circuit 2 links to each other with the C point of one of Level Detection point, and the colelctor electrode of .BG5 links to each other with the base stage of audion BG6, and the emitter stage of BG6 links to each other with the control end of speech chip HY.
Below in conjunction with Fig. 1, Fig. 2 the work process of this utility model is described.Triangular shape insulator 3 is inserted in the infusion bottle 4; When liquid in the bottle is higher than A, B at 2, several kilo-ohms approximately of the resistance between 2 of the A, B, audion BGl saturation conduction; BG2 ends; So by BG3, BG4, resistance R 5, R7, capacitor C 2, vibration sound circuit and LED luminous tube that speaker Y forms are not worked.When liquid in the bottle was lower than A, B at 2, the resistance of A, B point-to-point transmission was infinitely great, is equivalent to open circuit; BGl ends; The BG2 conducting makes by BG3, BG4., resistance R 5, R6, the vibration sound circuit that capacitor C 2, speaker Y the form alarm signal of sounding; LED is luminous, and frequency of oscillation is by resistance R 5, R6 and capacitor C 2 decisions.When medicinal liquid was in A, C section, the resistance of A, C point-to-point transmission was about several kilo-ohms equally, audion BG5 conducting, and BG6 ends, and speech chip HY does not work; When the bottle herb liquid was lower than the C point, resistance was infinitely great between A, C point, was equivalent to open circuit, and BG5 ends, the BG6 conducting, and speech chip sends the audio alert prompt tone through speaker Y.
Claims (5)
1. the liquid level autoalarm is used in a transfusion; Comprise level gauging parts and liquid level alarm circuit, it is characterized in that: said level gauging parts are that the root at the insulation syringe needle is provided with annular outer cover, simultaneously on the insulation medicated pillow, are provided with more than one level sensor at least; Sealing and fixing has the circuit board and the power supply electronics of liquid level alarm circuit in the shell; One side of shell is equipped with speaker, and speaker is connected with the circuit board outfan through interlayer, and the speaker front is provided with sound hole; Level sensor lead on the said insulation syringe needle embeds the syringe needle inboard and is connected with the signal input port of circuit board.
2. the liquid level autoalarm is used in transfusion according to claim 1; It is characterized in that: said level gauging parts are a kind of triangular shape insulators that place in the infusion bottle; Three faces of insulator are respectively arranged with upper, middle and lower 3 place's level monitoring points; Miniature level sensor is installed on each level monitoring point, and each level sensor is connected with liquid level alarm circuit through being embedded in the triangular shape intravital guiding that insulate respectively.
3. the liquid level autoalarm is used in transfusion according to claim 2; It is characterized in that: said liquid level alarm circuit is made up of two groups of Level Detection and warning drive circuit; First Level Detection and warning drive circuit comprise the liquid level detection circuit that is made up of audion BGl and BG2, the warning vibration sound circuit that is made up of audion BG3 and BG4; Second Level Detection and voice alarm circuit are made up of audion BG5 and a voice alarm circuit audion BG6 of detecting liquid level; Wherein the base stage of audion BG5 links to each other with the level sensor of locating down; The colelctor electrode of audion BG5 links to each other with the base stage of audion BG6, and the emitter stage of audion BG6 links to each other with the control end of speech chip HY.
4. the liquid level autoalarm is used in transfusion according to claim 2, it is characterized in that: on the said triangular shape insulator between level monitoring point vertical interval be 5～6.5mm.
5. the liquid level autoalarm is used in transfusion according to claim 3; It is characterized in that: the base stage of the audion BGl of first Level Detection and warning drive circuit links to each other with the level sensor of going up most the place; Being positioned at intermediary level sensor links to each other with the positive pole of power supply through K switch; The colelctor electrode of audion BGl links to each other with the base stage of audion BG2, and the base stage of the audion BG3 in the emitter stage of BG2 and the vibration sound circuit of reporting to the police links to each other, and the colelctor electrode of audion BG3 links to each other with the base stage of audion BG4; The colelctor electrode of BG4 links to each other with the end of speaker Y, and the other end of speaker Y links to each other with power cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203741712U CN202387058U (en) | 2011-09-30 | 2011-09-30 | Automatic liquid level alarm for infusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203741712U CN202387058U (en) | 2011-09-30 | 2011-09-30 | Automatic liquid level alarm for infusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202387058U true CN202387058U (en) | 2012-08-22 |
Family
ID=46662013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203741712U Expired - Fee Related CN202387058U (en) | 2011-09-30 | 2011-09-30 | Automatic liquid level alarm for infusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202387058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267456A (en) * | 2015-05-19 | 2017-01-04 | 付友兴 | A kind of infusion alarm |
| CN109498903A (en) * | 2018-12-29 | 2019-03-22 | 四川普瑞斯生物科技有限公司 | A kind of transfusion state monitoring system and its monitoring method |
-
2011
- 2011-09-30 CN CN2011203741712U patent/CN202387058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267456A (en) * | 2015-05-19 | 2017-01-04 | 付友兴 | A kind of infusion alarm |
| CN109498903A (en) * | 2018-12-29 | 2019-03-22 | 四川普瑞斯生物科技有限公司 | A kind of transfusion state monitoring system and its monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20130930 |