CN104841040A - Liquid dropping alarm - Google Patents
Liquid dropping alarm Download PDFInfo
- Publication number
- CN104841040A CN104841040A CN201510044618.2A CN201510044618A CN104841040A CN 104841040 A CN104841040 A CN 104841040A CN 201510044618 A CN201510044618 A CN 201510044618A CN 104841040 A CN104841040 A CN 104841040A
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- CN
- China
- Prior art keywords
- alarm
- cable
- induction apparatus
- tube
- induction
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a liquid dropping alarm. The liquid dropping alarm comprises a liquid medicine bottle neck spring clamp, a rotating pin shaft, an alarm shell, a PCB, a rear cover plate, a cable shroud, a shielding soft induction cable, an inductor and a microswitch PE protective film. The liquid medicine bottle neck spring clamp is connected on the alarm shell through the rotating pin shaft, the cable shroud is embedded below the alarm shell, the PCB is installed in the alarm shell and connected with the shielding soft induction cable, and the shielding soft induction cable penetrates through the cable shroud and is connected with the external inductor; an infusion hose penetrates through an arc clamping groove in the inductor, changes of liquid cutoff are captured by the inductor, a signal enters the PCB through the shielding soft induction cable and is processed, filtered and amplified, and then a sound-light alarm signal is transmitted through a loudspeaker and a light emitting diode which are installed on the alarm shell. The effect of detecting the liquid level when the infusion hose is in the inclined state or horizontally placed state is achieved.
Description
Technical field
The present invention relates to a kind of dropping liquid alarm, the intelligent assistant belonging to transfusion nurse nurses apparatus field.
Background technology
In the society of people's actual life, there will not be disease unavoidably, but most disease needs hospital to be come by venous transfusion.And in the process of transfusion, tube for transfusion needs the moment to monitor, and is generally completed by medical personnel and patient compliance, but once combination miss appears in both sides, cause transfusion to be also near completion not stopping infusion, may malpractice be caused, bring injury to patient, also can investigate the responsibility of medical personnel.So designed the liquid level that plurality of devices carries out monitoring dropping liquid in prior art.
But formerly in disclosed technical scheme; although also can monitor liquid level and report to the police; but; tube for transfusion should be pressed close to due to induction apparatus and just can carry out detection liquid level signal; and in the process used; because tube for transfusion often has the state of even horizontal positioned, there is error when causing the liquid level of induction apparatus to these states to detect, cause watch-dog malfunctioning.
Formerly in disclosed technical scheme, all could not solve the problem of the Level Detection under tube for transfusion inclination or horizontal positioned state, and the present invention will be conceived to this, solve this technical problem by technical scheme of the present invention.
Summary of the invention
The object of this invention is to provide a kind of dropping liquid alarm, solve the problem of the Level Detection under tube for transfusion inclination or horizontal positioned state.
Object of the present invention carrys out specific implementation by the following technical programs:
A kind of dropping liquid alarm, comprises medicinal liquid bottle bottleneck alligator clamp, rotating pin, alarm housing, pcb board, back shroud, cable joint-box, the soft induction cable of shielding, induction apparatus, microswitch PE protecting film; Medicinal liquid bottle bottleneck alligator clamp is connected to alarm housing upper by rotating pin, cable joint-box is installed in alarm lower housing portion, in alarm enclosure interior, pcb board (printed circuit board (PCB)) is installed, pcb board is connected with the soft induction cable of shielding, shields soft induction cable and links together through cable joint-box and outside induction apparatus; Infusion tube is by the arc neck on induction apparatus, change during disconnected liquid is caught by induction apparatus, then signal enters pcb board by the soft induction cable of shielding, and wherethrough reason filter amplify after by being installed on speaker on alarm housing and light emitting diode sends sound and light alarm signal.
Preferably, induction apparatus enclosed inside has the sensing chip of two panels arc-shaped, liquid level signal is converted into the signal of telecommunication and measures, and sensing chip is connected with the soft induction cable of shielding; The external structure of induction apparatus has the guiding groove guiding tube for transfusion, and the bottom of guiding groove is furnished with the arc-shaped tube for transfusion draw-in groove slightly less than tube for transfusion.
Preferably, the sensing chip of described induction apparatus inside can adopt visible to connect with the connection of the soft induction cable of shielding, also can overall fill be integrated upon connection.
Preferably, cable joint-box is that setting type is arranged on alarm housing, but is not limited to setting type, can be also same entirety with alarm housing; The cable joint-box of setting type is that soft material makes, and its inner perforated is slightly less than the soft induction cable external diameter of shielding.
Preferably, shielding soft induction cable is cable that is soft and shielding, but does not limit by this, as with inlaying shielded cable formation in hard material, and then to connect with induction apparatus with alarm housing or together with being embedded in.
Preferably, in alarm enclosure interior, pcb board is installed, pcb board is connected with the soft induction cable of shielding, pcb board has arithmetic logic detect amplifying circuit element, lithium battery and chip, pcb board is provided with speaker, microswitch, power supply indicator and light emitting diode; Microswitch is for opening and closing power supply, and speaker and light emitting diode are used for sending sound and light alarm signal, and power supply indicator for whether display vicarious alarm has powered on is devoted oneself to work.
Preferably; alarm housing is structurally provided with microswitch hole, microswitch PE protecting film groove, speaker loud-speaker opening, power supply indicator hole and light emitting diode fixing hole; their configuration is that convenient relevant components and parts is fixing more easily in order to more convenient the function embodying alarm.
Preferably, medicinal liquid bottle bottleneck alligator clamp, in order to clip medicinal liquid bottle bottleneck, does not affect the plug of tube for transfusion; Its pair of clamp jaws is similar to medicinal liquid bottle bottleneck profile, and its grip force is from the spring of self, and medicinal liquid bottle bottleneck spring accompanies is convenient to the artificial handle used, and two handles are connected with two clamp jaws respectively, and the handle of opening very facilitates clip bottleneck.
Preferably, two clamps of medicinal liquid bottle bottleneck alligator clamp are connected with alarm housing by rotating pin, can mutually rotate, with convenient, flexible use between medicinal liquid bottle bottleneck alligator clamp and alarm housing.
Preferably, medicinal liquid bottle bottleneck alligator clamp can be the pattern such as snap ring-type, plug bush type.
Preferably, due to induction apparatus lighter weight, therefore induction alarm device also can not be with medicinal liquid bottle bottleneck alligator clamp; Directly induction apparatus is installed on tube for transfusion, is then connected with alarm housing, pcb board, so that use flexibly by the soft induction cable of shielding.
Preferably, the sidewall of described induction apparatus is provided with cylindric sensing chip, between described cylindric sensing chip and the sidewall of described induction apparatus, adopts the mode be flexibly connected, described cylindric sensing chip can be rotated relative to the sidewall of described induction apparatus; The outside of described cylindric sensing chip is connected with eccentric, and described cylindric sensing chip can be rotated under described eccentric effect; The inwall of guiding groove is provided with the annulus of two openings, adopt between described annulus and the inwall of guiding groove and be slidably connected, the internal diameter of described annulus is less than the internal diameter of described guiding groove, to make tube for transfusion when loading in annulus, the tube wall of tube for transfusion not with the contact internal walls friction of guiding groove.
Described guiding groove is for clamping tube for transfusion, clamped by the tube wall of the circular ring structure territory tube for transfusion in guiding groove, when tube for transfusion inclination or horizontal positioned, due to action of gravity and the slip feature between annulus and guiding groove, make induction apparatus landing downwards automatically under gravity; And now, by the design of eccentric and cylindric sensing chip, under eccentric wobbler action, impel described cylindric sensing chip to rotate, and then under the state that tube for transfusion is tilted, induction apparatus also can be rectified a deviation by automatic rotation, namely no matter which kind of state tube for transfusion is in, the position of the liquid level signal that cylindric sensing chip gathers, all by constant, so make induction apparatus under tube for transfusion is in inclination or level, also can accurately collect liquid level signal.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is the structure chart of a kind of dropping liquid alarm described in the embodiment of the present invention.
Fig. 2 is the broken section structure chart of a kind of dropping liquid alarm described in the embodiment of the present invention.
Fig. 3 is the partial enlarged drawing of induction apparatus.
Fig. 4 is the partial enlarged drawing of medicinal liquid bottle bottleneck alligator clamp.
Fig. 5 is the partial enlarged drawing of alarm housing.
Fig. 6 is the partial sectional view of the another kind of structure of induction apparatus.
In figure:
1, medicinal liquid bottle bottleneck alligator clamp; 2, rotating pin; 3, power supply indicator; 4, alarm housing; 5, microswitch PE protecting film; 6, speaker loud-speaker opening; 7, cable joint-box; 8, soft induction cable is shielded; 9, induction apparatus; 10, light emitting diode; 11, light emitting diode fixing hole; 12, power supply indicator hole; 13, pcb board; 14, back shroud; 15, microswitch PE protecting film groove; 16, microswitch; 17, speaker; 18, sensing chip; 19, arc-shaped tube for transfusion draw-in groove; 20, guiding groove; 21, cylindric sensing chip; 22, eccentric; 23, annulus.
Detailed description of the invention
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Below in conjunction with accompanying drawing, one embodiment of the present of invention are described.
As shown in Figure 1-2, a kind of dropping liquid alarm described in the embodiment of the present invention, comprises medicinal liquid bottle bottleneck alligator clamp 1, rotating pin 2, alarm housing 4, pcb board 13, back shroud 14, cable joint-box 7, shields soft induction cable 8, induction apparatus 9, microswitch PE protecting film 5; Medicinal liquid bottle bottleneck alligator clamp 1 is connected to alarm housing 4 top by rotating pin 2, cable joint-box 7 is installed in alarm housing 4 bottom, in alarm housing 4 inside, pcb board 13 is installed, pcb board 13 is connected with the soft induction cable 8 of shielding, shields soft induction cable 8 and links together through cable joint-box 7 and outside induction apparatus 9; Infusion tube is by the arc neck 19 on induction apparatus 9, change during disconnected liquid is caught by induction apparatus 9, then signal enters pcb board 13 by the soft induction cable 8 of shielding, and wherethrough reason filter amplify after by being installed on speaker 17 on alarm housing and light emitting diode 10 sends sound and light alarm signal.
As shown in Figure 6, in the process of enforcement, induction apparatus 9 enclosed inside has the sensing chip 18 of two panels arc-shaped, liquid level signal is converted into the signal of telecommunication and measures, and sensing chip 18 is connected with the soft induction cable 8 of shielding; The external structure of induction apparatus 9 has the guiding groove 20 guiding tube for transfusion, and the bottom of guiding groove 20 is furnished with the arc-shaped tube for transfusion draw-in groove 19 slightly less than tube for transfusion.
The sensing chip 18 of described induction apparatus 9 inside can adopt visible to connect with the connection of the soft induction cable 8 of shielding, also can overall fill be integrated upon connection.
Cable joint-box 7 is arranged on alarm housing 4 for setting type, but is not limited to setting type, can be also same entirety with alarm housing 4; The cable joint-box 7 of setting type is soft material making, and its inner perforated is slightly less than soft induction cable 8 external diameter of shielding.
Shielding soft induction cable 8 is cable that is soft and shielding, but does not limit by this, as with inlaying shielded cable formation in hard material, and then to connect with induction apparatus 9 with alarm housing 4 or together with being embedded in.
As shown in Figure 5, in alarm housing 4 inside, pcb board 13 is installed, pcb board 13 is connected with the soft induction cable 8 of shielding, pcb board 13 there is arithmetic logic detect amplifying circuit element, lithium battery and chip, pcb board 13 is provided with speaker 17, microswitch 16, power supply indicator 3 and light emitting diode 10; Microswitch 16 is for opening and closing power supply, and speaker 17 and light emitting diode 10 are for sending sound and light alarm signal, and power supply indicator 3 for whether display vicarious alarm has powered on is devoted oneself to work.
Alarm housing 4 is structurally provided with microswitch hole, microswitch PE protecting film groove 15, speaker loud-speaker opening 6, power supply indicator hole 12 and light emitting diode fixing hole 11; their configuration is that convenient relevant components and parts is fixing more easily in order to more convenient the function embodying alarm.
As shown in Figure 4, medicinal liquid bottle bottleneck alligator clamp 1, in order to clip medicinal liquid bottle bottleneck, does not affect the plug of tube for transfusion; Its pair of clamp jaws is similar to medicinal liquid bottle bottleneck profile, and its grip force is from the spring of self, and medicinal liquid bottle bottleneck alligator clamp 1 has is convenient to the artificial handle used, and two handles are connected with two clamp jaws respectively, and the handle of opening very facilitates clip bottleneck.
Two clamps of medicinal liquid bottle bottleneck alligator clamp 1 are connected with alarm housing 4 by rotating pin 2, can mutually rotate, with convenient, flexible use between medicinal liquid bottle bottleneck alligator clamp 1 and alarm housing 4.
Medicinal liquid bottle bottleneck alligator clamp 1 can be the pattern such as snap ring-type, plug bush type.
Due to induction apparatus 9 lighter weight, therefore induction alarm device also can not be with medicinal liquid bottle bottleneck alligator clamp 1; Directly induction apparatus 9 is installed on tube for transfusion, is then connected with alarm housing 4, pcb board 13, so that use flexibly by the soft induction cable 8 of shielding.
As shown in Figure 3, in the process implemented, optimum embodiment is, by on the sidewall of described induction apparatus 9, cylindric sensing chip 21 is installed, adopt the mode be flexibly connected between described cylindric sensing chip 21 with the sidewall of described induction apparatus 9, described cylindric sensing chip 21 can be rotated relative to the sidewall of described induction apparatus; The outside of described cylindric sensing chip 21 is connected with eccentric 22, and described cylindric sensing chip 21 can be rotated under the effect of described eccentric 22; The inwall of guiding groove 20 is provided with the annulus 23 of two openings, adopt between described annulus 23 and the inwall of guiding groove 20 and be slidably connected, the internal diameter of described annulus 23 is less than the internal diameter of described guiding groove 20, to make tube for transfusion when loading in annulus 23, the tube wall of tube for transfusion not with the contact internal walls friction of guiding groove.
In the process implemented, the breach size of annulus 23 should be no more than quarter turn and be advisable, and ensures that tube for transfusion can enter annulus 23 along breach inner, can not from guiding groove come off when ensureing that annulus 23 slides in guiding groove 20 simultaneously.
Described guiding groove is for clamping tube for transfusion, clamped by the tube wall of the circular ring structure territory tube for transfusion in guiding groove, when tube for transfusion inclination or horizontal positioned, due to action of gravity and the slip feature between annulus and guiding groove, make induction apparatus landing downwards automatically under gravity; And now, by the design of eccentric and cylindric sensing chip, under eccentric wobbler action, impel described cylindric sensing chip to rotate, and then under the state that tube for transfusion is tilted, induction apparatus also can be rectified a deviation by automatic rotation, namely no matter which kind of state tube for transfusion is in, the position of the liquid level signal that cylindric sensing chip gathers, all by constant, so make induction apparatus under tube for transfusion is in inclination or level, also can accurately collect liquid level signal.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a dropping liquid alarm, comprises medicinal liquid bottle bottleneck alligator clamp (1), rotating pin (2), alarm housing (4), pcb board (13), back shroud (14), cable joint-box (7), shields soft induction cable (8), induction apparatus (9), microswitch PE protecting film (5); Medicinal liquid bottle bottleneck alligator clamp (1) is connected to alarm housing (4) top by rotating pin (2), cable joint-box (7) is installed in alarm housing (4) bottom, in alarm housing (4) inside, pcb board (13) is installed, pcb board (13) is connected with the soft induction cable of shielding (8), shields soft induction cable (8) and links together through cable joint-box (7) and outside induction apparatus (9); It is characterized in that: infusion tube is by the arc neck (19) on induction apparatus (9), change during disconnected liquid is caught by induction apparatus (9), then signal enters pcb board (13) by the soft induction cable of shielding (8), and wherethrough reason filter amplify after by being installed on speaker (17) on alarm housing and light emitting diode (10) sends sound and light alarm signal.
2. a kind of dropping liquid alarm according to claim 1, it is characterized in that: induction apparatus (9) enclosed inside has the sensing chip (18) of two panels arc-shaped, liquid level signal is converted into the signal of telecommunication measure, sensing chip (18) is connected with the soft induction cable of shielding (8); The external structure of induction apparatus (9) has the guiding groove (20) guiding tube for transfusion, and the bottom of guiding groove (20) is furnished with the arc-shaped tube for transfusion draw-in groove (19) slightly less than tube for transfusion.
3. a kind of dropping liquid alarm according to claim 1 or 2, it is characterized in that: the connection of the sensing chip (18) that described induction apparatus (9) is inner and the soft induction cable of shielding (8) adopts visible to connect, and overall fill is integrated upon connection.
4. a kind of dropping liquid alarm according to claim 1,2 or 3, is characterized in that: cable joint-box (7) is arranged on alarm housing (4) for setting type; The cable joint-box (7) of setting type is soft material making, and its inner perforated is slightly less than shielding soft induction cable (8) external diameter.
5. a kind of dropping liquid alarm according to claim 1, it is characterized in that: in alarm housing (4) inside, pcb board (13) is installed, pcb board (13) is connected with the soft induction cable of shielding (8), pcb board (13) there is arithmetic logic detect amplifying circuit element, lithium battery and chip, pcb board (13) is provided with speaker (17), microswitch (16), power supply indicator (3) and light emitting diode (10); Microswitch (16) is for opening and closing power supply, speaker (17) and light emitting diode (10) are for sending sound and light alarm signal, and power supply indicator (3) for whether display vicarious alarm has powered on is devoted oneself to work.
6. according to the arbitrary described a kind of dropping liquid alarm of claim 1-5; it is characterized in that: alarm housing (4) is structurally provided with microswitch hole, microswitch PE protecting film groove (15), speaker loud-speaker opening (6), power supply indicator hole (12) and light emitting diode fixing hole (11); their configuration is that convenient relevant components and parts is fixing more easily in order to more convenient the function embodying alarm.
7. according to the arbitrary described a kind of dropping liquid alarm of claim 1-6, it is characterized in that: two clamps of medicinal liquid bottle bottleneck alligator clamp (1) are connected with alarm housing (4) by rotating pin (2), can mutually rotate between medicinal liquid bottle bottleneck alligator clamp (1) and alarm housing (4), with convenient, flexible use.
8. a kind of dropping liquid alarm according to claim 7, is characterized in that: medicinal liquid bottle bottleneck alligator clamp (1) can be the pattern such as snap ring-type, plug bush type.
9. according to the arbitrary described a kind of dropping liquid alarm of claim 1-8, it is characterized in that: induction apparatus (9) is installed on tube for transfusion, then be connected with alarm housing (4), pcb board (13), so that use flexibly by the soft induction cable of shielding (8).
10. according to the arbitrary described a kind of dropping liquid alarm of claim 1-9, it is characterized in that, the sidewall of described induction apparatus (9) is provided with cylindric sensing chip (21), adopt the mode be flexibly connected between described cylindric sensing chip (21) and the sidewall of described induction apparatus (9), described cylindric sensing chip (21) can be rotated relative to the sidewall of described induction apparatus; The outside of described cylindric sensing chip (21) is connected with eccentric (22), and described cylindric sensing chip (21) can be rotated under the effect of described eccentric (22); The inwall of guiding groove (20) is provided with the annulus (23) of two openings, adopt between the inwall of described annulus (23) and guiding groove (20) and be slidably connected, the internal diameter of described annulus (23) is less than the internal diameter of described guiding groove (20), to make tube for transfusion when loading in annulus (23), the tube wall of tube for transfusion not with the contact internal walls friction of guiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044618.2A CN104841040A (en) | 2015-01-24 | 2015-01-24 | Liquid dropping alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044618.2A CN104841040A (en) | 2015-01-24 | 2015-01-24 | Liquid dropping alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104841040A true CN104841040A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510044618.2A Pending CN104841040A (en) | 2015-01-24 | 2015-01-24 | Liquid dropping alarm |
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| Country | Link |
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| CN (1) | CN104841040A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641780A (en) * | 2016-03-12 | 2016-06-08 | 上海大学 | Infrared infusion grading early warning system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10104041A (en) * | 1996-09-27 | 1998-04-24 | Sofue Yatoshi | Liquid amount detector and instillation end alarm |
| CN1628867A (en) * | 2003-12-16 | 2005-06-22 | 沈永培 | Photoelectric transfusion system with a float bead |
| CN201798962U (en) * | 2010-05-31 | 2011-04-20 | 韩伟 | Infusion warning device |
| CN201949441U (en) * | 2010-11-10 | 2011-08-31 | 王宏圣 | Alarm device for intravenous injection |
| CN103083753A (en) * | 2013-03-05 | 2013-05-08 | 西安华舜测量设备有限责任公司 | Capacitor-type drip liquid level monitoring and alarm device |
| CN204106734U (en) * | 2014-09-11 | 2015-01-21 | 安徽理工大学 | A kind of infusion alarm |
-
2015
- 2015-01-24 CN CN201510044618.2A patent/CN104841040A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10104041A (en) * | 1996-09-27 | 1998-04-24 | Sofue Yatoshi | Liquid amount detector and instillation end alarm |
| CN1628867A (en) * | 2003-12-16 | 2005-06-22 | 沈永培 | Photoelectric transfusion system with a float bead |
| CN201798962U (en) * | 2010-05-31 | 2011-04-20 | 韩伟 | Infusion warning device |
| CN201949441U (en) * | 2010-11-10 | 2011-08-31 | 王宏圣 | Alarm device for intravenous injection |
| CN103083753A (en) * | 2013-03-05 | 2013-05-08 | 西安华舜测量设备有限责任公司 | Capacitor-type drip liquid level monitoring and alarm device |
| CN204106734U (en) * | 2014-09-11 | 2015-01-21 | 安徽理工大学 | A kind of infusion alarm |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641780A (en) * | 2016-03-12 | 2016-06-08 | 上海大学 | Infrared infusion grading early warning system |
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Application publication date: 20150819 |