CN203043157U - Improved infusion alarm - Google Patents
Improved infusion alarm Download PDFInfo
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- CN203043157U CN203043157U CN 201220676566 CN201220676566U CN203043157U CN 203043157 U CN203043157 U CN 203043157U CN 201220676566 CN201220676566 CN 201220676566 CN 201220676566 U CN201220676566 U CN 201220676566U CN 203043157 U CN203043157 U CN 203043157U
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- optical fiber
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- chip microcomputer
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Abstract
The utility model relates to an improved infusion alarm and a using method thereof. The infusion alarm comprises a liquid surface detection device and an alarm device, wherein the liquid surface detection device comprises a puncture needle body, a prism, a first optical fiber, a second optical fiber, and an optical fiber joint, and the alarm device comprises an optical connection base, a light emitting diode, a photosensitive diode, a signal amplification circuit, a reference voltage circuit, a comparison circuit, a singlechip, a sound and light alarm circuit, an electronic switch, a peripheral circuit and the like. The improved infusion alarm is simple in structure, safe, reliable, low in manufacturing cost, and convenient to use, does not increase work quantity of nurses, and is suitable for mass production and large-use. The principle of optoelectronics is used for detecting liquid levels, the optical fibers are used for transmitting signals to the alarm device, alarm accuracy is high, influences of a liquid medicine container, liquid medicine and the like are avoided, and electrolytic reaction of the liquid medicine is avoided. According to the infusion alarm, the liquid surface detection device is separated from the alarm device, the liquid surface detection device is extremely low in cost and can be disposable, safety is guaranteed, the alarm device can be reused, and the infusion alarm has the advantages of being energy-saving, environment-friendly, and the like.
Description
Technical field
This utility model relates to a kind of medical infusion auxiliary alarming device, particularly a kind of improved infusion alarm.
Background technology
The autoalarm of medical infusion has multiple principle, as weighing principle, electrode principle, float principle, capacitance principle, vibration principle, photovoltaic principals etc.The relatively poor complex structure of weighing principle precision wherein, the electrode principle may produce reaction to medicinal liquid, and capacitance principle and vibration principle cost are higher, and factors such as float theory structure complexity are not used in hospital so far on a large scale.Make that infusion alarm is simple in structure, cost is low, low in energy consumption, reliable and stable, do not pollute medicinal liquid, be fit to various medicinal liquids, really make things convenient for hospital and patient to use, must continue to improve.I have proposed the infusion alarm based on optical fiber first in " a kind of infusion alarm and the using method thereof " of in November, 2011 application, solved above problem, but light emitting diode and light sensitive diode are encapsulated in the liquid level sensor, there is use cost low problem inadequately, also has the space that further reduces; The nurse needs the actions of inserting 2 times more when using, and once puncture needle is inserted infusion bottle, once liquid level sensor is inserted in the alarm, has increased nurse's workload, needs further to be improved; Because the weak output signal of light sensitive diode, insufficient sensitivity needs to be optimized.
Summary of the invention
The purpose of this utility model is exactly the weak point in the background technology, and a kind of improved optical fiber infusion alarm and using method thereof are provided.
For achieving the above object, this utility model adopts following technical scheme: a kind of improved optical fiber infusion alarm comprises liquid level sensor and alarm device.Described liquid level sensor comprises the puncture needle body, prism, first optical fiber, second optical fiber, fiber connector, described puncture needle body comprises syringe needle, the needle stand that is connected with syringe needle, the syringe needle upper end is provided with the liquid communication mouth near the needle point place, first optical fiber and second optical fiber axially are encapsulated in respectively in the syringe needle between liquid communication mouth and the needle stand, be provided with in the liquid communication mouth and can cover first optical fiber, the prism of second optical fiber upper end port, first optical fiber passes needle stand respectively with second optical fiber and links to each other with fiber connector, fiber connector tightly is enclosed within respectively on first optical fiber and second optical fiber, and the end port of first optical fiber and second optical fiber is concordant with the fiber connector port.
Described alarm device comprises optical fiber Connection Block, light emitting diode, light sensitive diode, signal amplification circuit, reference voltage circuit, comparison circuit, single-chip microcomputer, sound light alarming circuit, power supply and peripheral circuit etc.Optical fiber Connection Block one side covers on light emitting diode and the light sensitive diode, and the light path between light emitting diode and the light sensitive diode is separated, and an other side and fiber connector are pegged graft and meshed; Light emitting diode is connected with single-chip microcomputer; Light sensitive diode is connected with input amplifier, and input of comparison circuit and the outfan of amplifying circuit are connected, and another input is connected with reference voltage circuit, and outfan is connected with single-chip microcomputer; Sound light alarming circuit is connected with single-chip microcomputer.
Connect by the optical fiber splicing ear between described liquid level sensor and the alarm device, described optical fiber splicing ear comprises fiber connector and optical fiber Connection Block, between fiber connector and the optical fiber Connection Block by the engagement of pegging graft.
For a kind of optimization of the present utility model, described alarm device also comprises electrical switch.The electrical switch input is connected with single-chip microcomputer, is connected with nurse station after the call button parallel connection of outfan and the head of a bed.
For a kind of optimization of the present utility model, described alarm device comprises that also location recognition number arranges circuit, radio transmitter, wireless receiving circuit etc.Wherein location recognition number arranges circuit and is connected with single-chip microcomputer, and radio transmitter is connected with single-chip microcomputer, and wireless receiving circuit is connected with nurse station.
For a kind of optimization of the present utility model, described alarm device also comprises electronic valve.The electric end of electronic valve is connected with single-chip microcomputer, and the pipeline end is connected with the air input pipe.
For a kind of optimization of the present utility model, described liquid level sensor also comprises the air input pipe.First optical fiber, second optical fiber and air input pipe axially are encapsulated in respectively in the syringe needle between liquid communication mouth and the needle stand.
For a kind of optimization of the present utility model, described liquid level sensor also comprises air input pipe, medicinal liquid outlet tube.First optical fiber, second optical fiber, air input pipe, medicinal liquid outlet tube axially are encapsulated in respectively in the syringe needle between liquid communication mouth and the needle stand, wherein air input pipe, medicinal liquid outlet tube lay respectively at the both sides of first optical fiber, second optical fiber, and fill with medical material in middle space.
This utility model is compared with background technology, and light emitting diode and light sensitive diode are moved on in the reusable alarm device, and it is nonrecoverable having only puncture needle and optical fiber, has further reduced cost; With liquid level sensor and air input pipe, even the medicinal liquid outlet tube is packaged together, and not only further reduced cost, also reduced the number of times of nurse's plug simultaneously, further reduced nurse's workload; Increase amplifying circuit and comparison circuit, further improved sensitivity and reliability.So this utility model is reducing cost, reduce workload, improve on sensitivity and the reliability, the effect that is highly profitable is arranged.
Description of drawings
Fig. 1 is the basic structure sketch map of infusion alarm.
Fig. 2 is the structural representation of the infusion alarm of charged sub-switch.
Fig. 3 is the structural representation of the wireless alarming for transfusion of band location recognition number.
Fig. 4 is the structural representation when being with air input pipe and electronic valve in the liquid level sensor.
Fig. 5 is the longitudinal sectional drawing of being with air input pipe and medicinal liquid outlet tube in the liquid level sensor.
Fig. 6 and Fig. 7 are the transverse cross-sectional view of being with air input pipe and medicinal liquid outlet tube in the liquid level sensor.
The specific embodiment
Embodiment 1: with reference to Fig. 1.Improved infusion alarm and using method thereof comprise liquid level sensor and alarm device, connect by the optical fiber splicing ear between liquid level sensor and the alarm device.Described optical fiber splicing ear 8 comprises fiber connector 8-a and optical fiber Connection Block 8-b.Described liquid level sensor comprises the puncture needle body, prism 5, first optical fiber 3, second optical fiber 4, described puncture needle body comprises syringe needle 1, the needle stand 2 that is connected with syringe needle 1, syringe needle 1 upper end is provided with liquid communication mouth 1a near the needle point place, first optical fiber 3 and second optical fiber 4 axially are encapsulated in respectively in the syringe needle 1 between liquid communication mouth 1a and the needle stand 2, be provided with in the liquid communication mouth 1a and can cover first optical fiber 3, the prism 5 of second optical fiber, 4 upper end ports, first optical fiber 3 passes needle stand 2 respectively with second optical fiber 4 and links to each other with fiber connector 8-a, fiber connector 8-a closely is socketed in respectively on first optical fiber 3 and second optical fiber 4, and the end port of first optical fiber 3 and second optical fiber 4 is concordant with fiber connector 8-a port.
Embodiment 2: with reference to Fig. 1.Described alarm device comprises optical fiber Connection Block 8-b, light emitting diode 9, light sensitive diode 10, amplifying circuit 11, reference circuits 12, comparison circuit 13, single-chip microcomputer 14, sound light alarming circuit 15, power supply 16, peripheral circuit 17 etc.Optical fiber Connection Block 8-b one side covers on light emitting diode 9 and the light sensitive diode 10, and the light path between light emitting diode 9 and the light sensitive diode 10 is kept apart, and an other side and fiber connector 8-a peg graft and mesh; Light emitting diode 9 is connected with single-chip microcomputer 14; Light sensitive diode 10 is connected with amplifying circuit 11 inputs, and input of comparison circuit 13 and the outfan of amplifying circuit 11 are connected, and another input is connected with reference voltage circuit 12, and outfan is connected with single-chip microcomputer 14; Sound light alarming circuit 15 is connected with single-chip microcomputer 14.
Embodiment 3: with reference to figure 1～4.Connect by optical fiber splicing ear 8 between described liquid level sensor and the alarm device, described optical fiber splicing ear 8 comprises fiber connector 8-a and optical fiber Connection Block 8-b, between fiber connector 8-a and the optical fiber Connection Block 8-b by the engagement of pegging graft.
Embodiment 4: with reference to Fig. 2.Described alarm device also comprises electrical switch 18.Electrical switch 18 inputs are connected with single-chip microcomputer 14, and call button 19 backs in parallel of outfan and the head of a bed are connected with nurse station 20.
Embodiment 5: with reference to Fig. 3.Described alarm device comprises that also location recognition number arranges circuit 21, radio transmitter 22, wireless receiving circuit 23 etc.Wherein location recognition number arranges circuit 21 and is connected with single-chip microcomputer 14, and radio transmitter 21 is connected with single-chip microcomputer 14, and wireless receiving circuit 22 is connected with nurse station 20.
Embodiment 6: with reference to Fig. 4.Described alarm device also comprises electronic valve 24.The electric end of electronic valve 24 is connected with single-chip microcomputer 14, and the pipeline end is connected with air input pipe 6, and air input pipe end is air filter 25.
Embodiment 7: with reference to Fig. 4.Described liquid level sensor also comprises air input pipe 6.First optical fiber 3, second optical fiber 4 and air input pipe 6 axially are encapsulated in respectively in the syringe needle 1 between liquid communication mouth 1a and the needle stand 2.
Embodiment 8: with reference to Fig. 5～7.Described liquid level sensor also comprises air input pipe 6, medicinal liquid outlet tube 7.First optical fiber 3, second optical fiber 4, air input pipe 6, medicinal liquid outlet tube 7 axially are encapsulated in respectively in the syringe needle 1 between liquid communication mouth 1a and the needle stand 2, wherein air input pipe 6, medicinal liquid outlet tube 7 lay respectively at the both sides of first optical fiber 3, second optical fiber 4, and fill with medical material in middle space.
Some specific embodiment described herein only are that this utility model spirit is illustrated.Person skilled can do various modifications, replenishes or adopt similar mode to substitute to the specific embodiment described herein, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. improved infusion alarm, comprise liquid level sensor and alarm device, it is characterized in that: described liquid level sensor comprises the puncture needle body, prism, first optical fiber, second optical fiber, fiber connector, described puncture needle body comprises syringe needle, the needle stand that is connected with syringe needle, the syringe needle upper end is provided with the liquid communication mouth near the needle point place, first optical fiber and second optical fiber axially are encapsulated in respectively in the syringe needle between liquid communication mouth and the needle stand, be provided with in the liquid communication mouth and can cover first optical fiber, the prism of second optical fiber upper end port, first optical fiber passes needle stand respectively with second optical fiber and links to each other with fiber connector, fiber connector tightly is enclosed within respectively on first optical fiber and second optical fiber, and the end port of first optical fiber and second optical fiber is concordant with the fiber connector port.
2. infusion alarm according to claim 1, it is characterized in that: described alarm device comprises the optical fiber Connection Block, light emitting diode, light sensitive diode, signal amplification circuit, reference voltage circuit, comparison circuit, single-chip microcomputer, sound light alarming circuit, power supply and peripheral circuit, optical fiber Connection Block one side covers on light emitting diode and the light sensitive diode, and the light path between light emitting diode and the light sensitive diode separated, an other side and fiber connector are pegged graft and are meshed, light emitting diode is connected with single-chip microcomputer, light sensitive diode is connected with input amplifier, input of comparison circuit and the outfan of amplifying circuit are connected, another input is connected with reference voltage circuit, outfan is connected with single-chip microcomputer, and sound light alarming circuit is connected with single-chip microcomputer.
3. infusion alarm according to claim 1, it is characterized in that: connect by the optical fiber splicing ear between described liquid level sensor and the alarm device, described optical fiber splicing ear comprises fiber connector and optical fiber Connection Block, meshes by pegging graft between fiber connector and the optical fiber Connection Block.
4. infusion alarm according to claim 2, it is characterized in that: described alarm device also comprises electrical switch, the electrical switch input is connected with single-chip microcomputer, is connected with nurse station after the call button parallel connection of outfan and the head of a bed.
5. infusion alarm according to claim 2, it is characterized in that: described alarm device comprises that also location recognition number arranges circuit, radio transmitter, wireless receiving circuit, wherein location recognition number arranges circuit and is connected with single-chip microcomputer, radio transmitter is connected with single-chip microcomputer, and wireless receiving circuit is connected with nurse station.
6. infusion alarm according to claim 2, described alarm device also comprises electronic valve, and the electric end of electronic valve is connected with single-chip microcomputer, and the pipeline end is connected with the air input pipe.
7. infusion alarm according to claim 1, it is characterized in that: described liquid level sensor also comprises the air input pipe, first optical fiber, second optical fiber and air input pipe axially are encapsulated in respectively in the syringe needle between liquid communication mouth and the needle stand.
8. infusion alarm according to claim 1, it is characterized in that: described liquid level sensor also comprises air input pipe, medicinal liquid outlet tube, first optical fiber, second optical fiber, air input pipe, medicinal liquid outlet tube axially are encapsulated in respectively in the syringe needle between liquid communication mouth and the needle stand, wherein air input pipe, medicinal liquid outlet tube lay respectively at the both sides of first optical fiber, second optical fiber, and fill with medical material in middle space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676566 CN203043157U (en) | 2012-12-06 | 2012-12-06 | Improved infusion alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676566 CN203043157U (en) | 2012-12-06 | 2012-12-06 | Improved infusion alarm |
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| Publication Number | Publication Date |
|---|---|
| CN203043157U true CN203043157U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220676566 Expired - Fee Related CN203043157U (en) | 2012-12-06 | 2012-12-06 | Improved infusion alarm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974003A (en) * | 2012-12-06 | 2013-03-20 | 包云芸 | Improved transfusion alarm and use method thereof |
-
2012
- 2012-12-06 CN CN 201220676566 patent/CN203043157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974003A (en) * | 2012-12-06 | 2013-03-20 | 包云芸 | Improved transfusion alarm and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20171206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |