CN102500012B - Transfusion alarm and use method thereof - Google Patents
Transfusion alarm and use method thereof Download PDFInfo
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- CN102500012B CN102500012B CN 201110369347 CN201110369347A CN102500012B CN 102500012 B CN102500012 B CN 102500012B CN 201110369347 CN201110369347 CN 201110369347 CN 201110369347 A CN201110369347 A CN 201110369347A CN 102500012 B CN102500012 B CN 102500012B
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Abstract
The invention relates to a transfusion alarm and a use method thereof. The transfusion alarm comprises a liquid level detection device and an alarming device, and the liquid level detection device comprises a puncturing needle body, a float, a first optical fiber and a second optical fiber, and the alarming device comprises a light-emitting diode, a photosensitive diode, a warning light, a buzzer, a power supply and the like. The invention has the advantages that: the transfusion alarm has a simple structure and is low in manufacturing cost, is safe and reliable, can be used conveniently and is suitable for mass production; the liquid level is detected according to the photoelectric principle, that is, signals are transmitted to the alarming device through the optical fibers, the alarming accuracy is high, the alarm cannot be affected by liquid medicine containers, liquid medicine and other factors, and the electrolysis reaction of the liquid medicine can be avoided; the optical fibers are all packaged in the puncturing needle body, the reliability is high, and the disinfection can be facilitated; and the liquid level detection device and the alarm device are separated, the liquid level detection device can be used as a disposable device, the safety can be ensured, the alarm device can be used repeatedly, and the alarm is energy-saving and environmentally friendly.
Description
Technical field
The present invention relates to a kind of medical infusion auxiliary alarming device, particularly a kind of infusion alarm and using method thereof.
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.
Summary of the invention
Purpose of the present invention is exactly the weak point in the background technology, and a kind of infusion alarm and using method thereof are provided.
For achieving the above object, the present invention adopts following technical scheme: a kind of infusion alarm, comprise liquid level sensor and alarm device, described liquid level sensor comprises the puncture needle body, light emitting diode, light sensitive diode, float, first optical fiber and second optical fiber, 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 flow of liquid port near the needle point place, first optical fiber and second optical fiber axially are encapsulated in respectively in the syringe needle between flow of liquid port and the needle stand, be provided with in the flow of liquid port and can cover first optical fiber, the float of second optical fiber upper end port, this float lower end is coated with reflectorized material, Light-Emitting Diode, be encapsulated in the needle stand respectively after the light sensitive diode serial connection, and respectively with first optical fiber, the lower end of second optical fiber is communicated with, two power lines at serial connection back Light-Emitting Diode and light sensitive diode two ends and be connected in Light-Emitting Diode and light sensitive diode between ground wire on the circuit stretch out respectively outside the needle stand, described alarm device respectively with power line, ground wire connects.
For a kind of optimization of the present invention, described alarm device comprises signal warning lamp, buzzer, power supply, end after signal warning lamp and the buzzer parallel connection is connected with positive source or negative pole, its other end is communicated with the power line of light sensitive diode, and the positive and negative end of power supply is connected to form the loop with power line, the ground wire at Light-Emitting Diode two ends respectively.
For a kind of optimization of the present invention, described alarm device comprises signal warning lamp, buzzer, power supply, single-chip microcomputer, end after signal warning lamp and the buzzer parallel connection is connected with single-chip microcomputer, calling system control connection on its other end and the sick bed, the power positive cathode two ends are connected with power line, the ground wire at single-chip microcomputer and Light-Emitting Diode two ends respectively, and the power line of described light sensitive diode is connected with single-chip microcomputer.
For a kind of optimization of the present invention, described alarm device comprises that also wireless signal transmitter, ID number arrange circuit, wireless signal receiver, receiving terminal single-chip microcomputer, nurse station terminal, ID number circuit, wireless signal transmitter being set is connected with single-chip microcomputer respectively, nurse station terminal, wireless signal receiver are connected with the receiving terminal single-chip microcomputer respectively, and wireless signal transmitter is connected with the wireless signal receiver wireless network.
For a kind of optimization of the present invention, described flow of liquid port comprises with the concentric concentric holes of syringe needle and is communicated with concentric holes and the connected entrance of syringe needle outer wall, described first optical fiber, second optical fiber upper end maintain an equal level with the axial diapire of concentric holes, described float is positioned at the light path top of concentric holes first optical fiber, second optical fiber upper end, described float upper end is taper, and the concentric holes upper end is provided with the awl mouth.
For a kind of optimization of the present invention, the puncture needle body adopts opaque material to make, and described float adopts medical material to make the replaceable one-tenth phototriode of described light sensitive diode or photoconductive resistance.
For a kind of optimization of the present invention, the replaceable one-tenth of described float cross section is the prism of isosceles trapezoid shape, this prism lower end covers on first optical fiber, second optical fiber upper end port, and it is relative with the side, both sides of prism respectively that the port of described first optical fiber, second optical fiber upper end sees through the lower surface of prism, and the side of described prism both sides is obliquely.
For a kind of optimization of the present invention, the replaceable one-tenth glass fiber of described first optical fiber or second optical fiber.
For a kind of optimization of the present invention, connect by terminal between liquid level sensor and the alarm device.
A kind of using method of infusion alarm, comprise the medical liquid container that is provided with bottle stopper, this medical liquid container is the bottle stopper end and arranges down, the needle section lease making bottle stopper of puncture needle body is inserted in the medical liquid container, make the flow of liquid port of syringe needle be positioned at medical liquid container, because the effect of medicinal liquid, float in the flow of liquid port, float to this liquid communication bore to chamber, upper end wall, then with alarm device respectively with needle stand on power line, ground wire connects, this moment, float floated to a high position, the liquid level sensor energising is started working, the light that Light-Emitting Diode sends is passed in the medicinal liquid through first optical fiber, and the reflecting surface through the float lower end reflects in medicinal liquid then, is passed to light sensitive diode by the acceptance of second optical fiber and with the light that receives, light sensitive diode sends a signal to alarm device, and this moment, alarm device did not send alarm signal; When the medicinal liquid liquid level progressively descends, when being lower than the flow of liquid port position of puncture needle body, float progressively descends under action of gravity, up to the float lower surface light path of first optical fiber, second optical fiber upper end is covered when blocking fully, at this moment, the light that Light-Emitting Diode sends can't enter medicinal liquid through first optical fiber, more can't arrive light sensitive diode through second optical fiber, therefore, light sensitive diode will not produce low level signal because receiving optical signal, trigger alarm device and produce alarm signal.
The present invention compares with background technology, have simple in structure, safe and reliable, low cost of manufacture, easy to use, be fit to produce in enormous quantities; Utilize photovoltaic principals to detect liquid level, namely transmit signal to alarm device with optical fiber, have caution accuracy height, be not subjected to factor affecting such as medical liquid container, medicinal liquid, can be to the medicinal liquid reaction that produces electrolysis; This device all is encapsulated in light emitting diode, light sensitive diode and optical fiber in the puncture needle body has characteristics such as reliability height, convenient sterilizing; This device can separate liquid level sensor with alarm device, can guarantee safety with liquid level sensor as disposable device, and wherein alarm device is reusable, has characteristics such as energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the structural representation of liquid level sensor.
Fig. 2 is the principle schematic of liquid level sensor and alarm device combination in the infusion alarm.
Fig. 3 is the principle schematic of liquid level sensor and a kind of alarm device combination in the infusion alarm.
Fig. 4 is the principle schematic of liquid level sensor and another kind of alarm device combination in the infusion alarm.
Fig. 5 is the user mode figure when having medicinal liquid to cover around prism.
Fig. 6 is user mode figure when not having medicinal liquid to cover around prism.
The specific embodiment
Embodiment 1: with reference to Fig. 1～4.Infusion alarm and using method thereof comprise liquid level sensor and alarm device, connect by terminal 20 between liquid level sensor and the alarm device.Described liquid level sensor comprises the puncture needle body, light emitting diode 3, light sensitive diode 4, float 7, first optical fiber 5 and second optical fiber 6, 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 flow of liquid port 1a near the needle point place, first optical fiber 5 and second optical fiber 6 axially are encapsulated in respectively in the syringe needle 1 between flow of liquid port 1a and the needle stand 2, be provided with in the flow of liquid port 1a and can cover first optical fiber 5, the float 7 of second optical fiber, 6 upper end ports, these float 7 lower ends are coated with reflectorized material 7a, Light-Emitting Diode 3, be encapsulated in respectively in the needle stand 2 after light sensitive diode 4 serial connections, and respectively with first optical fiber 5, the lower end of second optical fiber 6 is communicated with, two power lines 8 and the power lines 10 at serial connection back Light-Emitting Diode 3 and light sensitive diode 4 two ends and be connected in Light-Emitting Diode 3 and light sensitive diode 4 between ground wire 9 on the circuit stretch out respectively outside the needle stand 2, described alarm device connects with power line 8 and power line 10 and ground wire 9 respectively.The puncture needle body adopts opaque material to make, and described float 7 adopts medical material to make.
Embodiment 2: with reference to Fig. 1 and 2.Described alarm device comprises signal warning lamp 12, buzzer 13, power supply 11, end after signal warning lamp 12 and buzzer 13 parallel connections is connected with power supply 11 negative or positive electrodes, its other end is communicated with the power line 10 of light sensitive diode 4, and the positive and negative end of power supply 11 is connected to form the loop with power line 8, the ground wire 9 at Light-Emitting Diode 3 two ends respectively.
Embodiment 3: with reference to Fig. 1 and 3.Described alarm device comprises signal warning lamp 12, buzzer 13, power supply 11, single-chip microcomputer 15, end after signal warning lamp 12 and buzzer 13 parallel connections is connected with single-chip microcomputer 15, calling system 14 control connections on its other end and the sick bed, power supply 11 positive and negative ends are connected with power line 8, the ground wire 9 at single-chip microcomputer 15 and Light-Emitting Diode 3 two ends respectively, and the power line 10 of described light sensitive diode 4 is connected with single-chip microcomputer 15.
Embodiment 4: with reference to Fig. 1,3 and 4.On the basis of embodiment 3, described alarm device comprises that also wireless signal transmitter 16, ID number arrange circuit 21, wireless signal receiver 17, receiving terminal single-chip microcomputer 18, nurse station terminal 19, circuit 21, wireless signal transmitter 16 are set for ID number to be connected with single-chip microcomputer 15 respectively, nurse station terminal 19, wireless signal receiver 17 are connected with receiving terminal single-chip microcomputer 18 respectively, and wireless signal transmitter 16 is connected with wireless signal receiver 17 wireless networks.
Embodiment 5: with reference to Fig. 1.Described flow of liquid port 1a comprises with the concentric concentric holes 1a-1 of syringe needle and is communicated with concentric holes 1a-1 and the connected entrance 1a-2 of syringe needle 1 outer wall, described first optical fiber 5, second optical fiber, 6 upper ends and the axial diapire of concentric holes 1a-1 maintain an equal level, described float 7 is positioned at the light path top of concentric holes 1a-1 first optical fiber 5, second optical fiber, 6 upper ends, described float 7 upper ends are taper, and concentric holes 1a-1 upper end is provided with awl mouthful 1a-3.
Embodiment 6.With reference to Fig. 1～4.On the basis of embodiment 1, described light sensitive diode 4 replaceable one-tenth phototriode or photoconductive resistance.Described first optical fiber 5 and second optical fiber 6 is replaceable to become glass fiber.
Embodiment 7: with reference to Fig. 1～4.A kind of infusion alarm using method, comprise the medical liquid container that is provided with bottle stopper, this medical liquid container is the bottle stopper end and arranges down, with syringe needle 1 part of puncture needle body in bottle stopper inserts medical liquid container, make the flow of liquid port 1a of syringe needle 1 be positioned at medical liquid container, because the effect of medicinal liquid, float 7 floats in flow of liquid port 1a to this flow of liquid port 1a upper end chamber wall radially, then with alarm device respectively with needle stand 2 on power line 8 power line 10, ground wire 9 connects, this moment, float 7 floated to a high position, the liquid level sensor energising is started working, the light that Light-Emitting Diode 3 sends is passed in the medicinal liquid through first optical fiber 5, reflecting surface through float 7 lower ends reflects in medicinal liquid then, be passed to light sensitive diode 4 by 6 acceptance of second optical fiber and with the light that receives, light sensitive diode 4 sends a signal to alarm device, and this moment, alarm device did not send alarm signal; When the medicinal liquid liquid level progressively descends, when being lower than the flow of liquid port 1a position of puncture needle body, float 7 progressively descends under action of gravity, up to float 7 lower surfaces the light path of first optical fiber 5, second optical fiber, 6 upper ends is covered when blocking fully, at this moment, the light that Light-Emitting Diode 3 sends can't enter medicinal liquid through first optical fiber 5, more can't arrive light sensitive diode 4 through second optical fiber 6, therefore, light sensitive diode 4 will not produce low level signal because receiving optical signal, trigger alarm device and produce alarm signal.
Embodiment 8: with reference to Fig. 5 and 6.On the basis of embodiment 1, the replaceable one-tenth of described float cross section is the prism 77 of isosceles trapezoid shape, these prism 77 lower ends cover on first optical fiber 5, second optical fiber, the 6 upper end ports, and it is relative with the side, both sides of prism 77 respectively that the port of described first optical fiber 5, second optical fiber, 6 upper ends sees through the lower surface of prism 77, and the side of described prism 77 both sides is obliquely.When not having medicinal liquid around the prism 77, according to special prism angle, light is experiences total internal reflection in prism 77.When prism 77 was covered by medicinal liquid, light is experiences total internal reflection not in prism 77 sides, and enters medicinal liquid, and the light that enters second optical fiber 6 is almost nil.
Embodiment 9: connect by terminal 20 between liquid level sensor and the alarm device, wherein light emitting diode 3, light sensitive diode 4 can be combined as a whole with alarm device, puncture needle body and the float 7 of packaged fiber 5 and optical fiber 6 in described liquid level sensor only comprises contain light emitting diode 3, light sensitive diode 4 connects by terminal 20 with the puncture needle body that only comprises interior packaged fiber and the liquid level sensor of float 7 with alarm device thus.
Some specific embodiment described herein only are that the present invention's 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 invention or surmount the defined scope of appended claims.
Claims (10)
1. infusion alarm, comprise liquid level sensor and alarm device, it is characterized in that: described liquid level sensor comprises the puncture needle body, light emitting diode, light sensitive diode, float, first optical fiber and second optical fiber, 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 flow of liquid port near the needle point place, first optical fiber and second optical fiber axially are encapsulated in respectively in the syringe needle between flow of liquid port and the needle stand, be provided with in the flow of liquid port and can cover first optical fiber, the float of second optical fiber upper end port, this float lower end is coated with reflectorized material, Light-Emitting Diode, be encapsulated in the needle stand respectively after the light sensitive diode serial connection, and respectively with first optical fiber, the lower end of second optical fiber is communicated with, two power lines at serial connection back Light-Emitting Diode and light sensitive diode two ends and be connected in Light-Emitting Diode and light sensitive diode between ground wire on the circuit stretch out respectively outside the needle stand, described alarm device respectively with power line, ground wire connects.
2. infusion alarm according to claim 1, it is characterized in that: described alarm device comprises signal warning lamp, buzzer, power supply, end after signal warning lamp and the buzzer parallel connection is connected with positive source or negative pole, its other end is communicated with the power line of light sensitive diode, and the positive and negative end of power supply is connected to form the loop with power line, the ground wire at Light-Emitting Diode two ends respectively.
3. infusion alarm according to claim 1, it is characterized in that: described alarm device comprises signal warning lamp, buzzer, power supply, single-chip microcomputer, end after signal warning lamp and the buzzer parallel connection is connected with single-chip microcomputer, calling system control connection on its other end and the sick bed, the power positive cathode two ends are connected with power line, the ground wire at single-chip microcomputer and Light-Emitting Diode two ends respectively, and the power line of described light sensitive diode is connected with single-chip microcomputer.
4. infusion alarm according to claim 3, it is characterized in that: described alarm device comprises that also wireless signal transmitter, ID number arrange circuit, wireless signal receiver, receiving terminal single-chip microcomputer, nurse station terminal, ID number circuit, wireless signal transmitter being set is connected with single-chip microcomputer respectively, nurse station terminal, wireless signal receiver are connected with the receiving terminal single-chip microcomputer respectively, and wireless signal transmitter is connected with the wireless signal receiver wireless network.
5. infusion alarm according to claim 1, it is characterized in that: described flow of liquid port comprises with the concentric concentric holes of syringe needle and is communicated with concentric holes and the connected entrance of syringe needle outer wall, described first optical fiber, second optical fiber upper end maintain an equal level with the axial diapire of concentric holes, described float is positioned at the light path top of concentric holes first optical fiber, second optical fiber upper end, described float upper end is taper, and the concentric holes upper end is provided with the awl mouth.
6. infusion alarm according to claim 1 is characterized in that: the puncture needle body adopts opaque material to make, and described float adopts medical material to make the replaceable one-tenth phototriode of described light sensitive diode or photoconductive resistance.
7. infusion alarm according to claim 1, it is characterized in that: the replaceable one-tenth of described float cross section is the prism of isosceles trapezoid shape, this prism lower end covers on first optical fiber, second optical fiber upper end port, and it is relative with the side, both sides of prism respectively that the port of described first optical fiber, second optical fiber upper end sees through the lower surface of prism, and the side of described prism both sides is obliquely.
8. infusion alarm according to claim 1 is characterized in that: the replaceable one-tenth glass fiber of described first optical fiber or second optical fiber.
9. infusion alarm according to claim 1 is characterized in that: connect by terminal between liquid level sensor and the alarm device.
10. the using method of the described infusion alarm of claim 1, comprise the medical liquid container that is provided with bottle stopper, this medical liquid container is the bottle stopper end and arranges down, it is characterized in that: the needle section lease making bottle stopper of the needle body that will puncture inserts in the medical liquid container, make the flow of liquid port of syringe needle be positioned at medical liquid container, because the effect of medicinal liquid, float in the flow of liquid port, float to this liquid communication bore to chamber, upper end wall, then with alarm device respectively with needle stand on power line, ground wire connects, this moment, float floated to a high position, the liquid level sensor energising is started working, the light that Light-Emitting Diode sends is passed in the medicinal liquid through first optical fiber, reflecting surface through the float lower end reflects in medicinal liquid then, be passed to light sensitive diode by the acceptance of second optical fiber and with the light that receives, light sensitive diode sends a signal to alarm device, and this moment, alarm device did not send alarm signal; When the medicinal liquid liquid level progressively descends, when being lower than the flow of liquid port position of puncture needle body, float progressively descends under action of gravity, up to the float lower surface light path of first optical fiber, second optical fiber upper end is covered when blocking fully, at this moment, the light that Light-Emitting Diode sends can't enter medicinal liquid through first optical fiber, more can't arrive light sensitive diode through second optical fiber, therefore, light sensitive diode will not produce low level signal because receiving optical signal, trigger alarm device and produce alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110369347 CN102500012B (en) | 2011-11-14 | 2011-11-14 | Transfusion alarm and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110369347 CN102500012B (en) | 2011-11-14 | 2011-11-14 | Transfusion alarm and use method thereof |
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| CN102500012A CN102500012A (en) | 2012-06-20 |
| CN102500012B true CN102500012B (en) | 2013-09-04 |
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| CN 201110369347 Expired - Fee Related CN102500012B (en) | 2011-11-14 | 2011-11-14 | Transfusion alarm and use method thereof |
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Families Citing this family (4)
| 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 |
| CN109959428A (en) * | 2017-12-24 | 2019-07-02 | 杨佳悦 | A kind of photoelectric water level switch |
| CN109012762A (en) * | 2018-09-28 | 2018-12-18 | 成都理工大学 | A kind of adjustable full automatic ion exchange column |
| CN112504392A (en) * | 2020-11-11 | 2021-03-16 | 厦门华联电子股份有限公司 | Photoelectric liquid level sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313591Y (en) * | 1997-09-30 | 1999-04-14 | 刘韩娥 | Automatic acoustic alarm for infusion |
| CN2647331Y (en) * | 2003-09-18 | 2004-10-13 | 周文光 | Simple medical infusion appliance liquid level detection alarmer |
| CN2762081Y (en) * | 2004-12-28 | 2006-03-01 | 郭春 | Transfusion alarming device |
| CN101653628A (en) * | 2009-09-11 | 2010-02-24 | 赵明 | Infusion alarming device |
| CN202314705U (en) * | 2011-11-14 | 2012-07-11 | 包云芸 | Transfusion alarm |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002191692A (en) * | 2000-12-25 | 2002-07-09 | Tatsuhiko Matsuura | Drip infusion monitoring device and drip infusion monitoring control device equipped with the same |
-
2011
- 2011-11-14 CN CN 201110369347 patent/CN102500012B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313591Y (en) * | 1997-09-30 | 1999-04-14 | 刘韩娥 | Automatic acoustic alarm for infusion |
| CN2647331Y (en) * | 2003-09-18 | 2004-10-13 | 周文光 | Simple medical infusion appliance liquid level detection alarmer |
| CN2762081Y (en) * | 2004-12-28 | 2006-03-01 | 郭春 | Transfusion alarming device |
| CN101653628A (en) * | 2009-09-11 | 2010-02-24 | 赵明 | Infusion alarming device |
| CN202314705U (en) * | 2011-11-14 | 2012-07-11 | 包云芸 | Transfusion alarm |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-191692A 2002.07.09 |
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