CN103721318A - Infusion tube liquid level detection alarm device - Google Patents
Infusion tube liquid level detection alarm device Download PDFInfo
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- CN103721318A CN103721318A CN201210385275.2A CN201210385275A CN103721318A CN 103721318 A CN103721318 A CN 103721318A CN 201210385275 A CN201210385275 A CN 201210385275A CN 103721318 A CN103721318 A CN 103721318A
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- tube
- transfusion
- chip microcomputer
- liquid level
- alarm device
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Abstract
The invention discloses an infusion tube liquid level detection alarm device which comprises a detecting unit used for detecting the liquid level change in an infusion tube and composed of a light source and a light receiver, an electric control unit used for receiving the liquid level change detected by the detecting unit and transmitting and sending an alarm signal and formed by electrical connection of a sending single-chip microcomputer connected with the light receiver, a receiving single-chip microcomputer connected with the sending single-chip microcomputer and an alerter, a starting switch and a power supply, and a fixing unit used for fixing the detecting unit, the sending single-chip microcomputer of the electric control unit, the starting switch and the power supply on the portion, between an infusion bottle and a Murphy's dropper, of the infusion tube and composed of a shell body provided with a cover plate, a tube groove formed in the shell body, and a clamping spring placed outside the shell body to lock the cover plate of the shell body, wherein a dark spongy cushion layer used for isolating the portion, inside the shell body, of the infusion tube from an outside light source is further arranged between the cover plate in the shell body and the infusion tube. The infusion tube liquid level detection alarm device is not susceptible to outside light, accurate in alarm giving, highly adaptable to infusion types, convenient and easy to use, and capable of being widely used for medical infusion.
Description
Technical field
The invention belongs to transfusion instrument technical field, particularly a kind of contactless tube for transfusion level detection alarm device that carries out automatic alarm by the liquid level in detection tube for transfusion.
Background technology
When in Hospitals at Present ward and transfusion hall, infusion set finishes transfusion or changes infusion bottle, after generally being observed by entourage or patient, by calling out or manually reminding nurse by alarm.If but entourage or patient do not note, transfusion finishes rear medical personnel and does not know, so that tube for transfusion occurs into air or blood back phenomenon, produce unpredictable consequence, therefore require entourage or patient's moment to pay close attention to the liquid level in tube for transfusion, increased entourage or patient's spirit and physical load.Especially in night infusion process, this has brought wrecking of body and mind to entourage and patient.For this reason, be necessary to research and develop a kind of novel tube for transfusion level detection warning system, realize this automatic detection and auto-alarm function.
Chinese utility model patent " the alarm for infusion " (patent No.: CN200920047191.1, Granted publication day: 2010.06.23) one is disclosed by saline bottle, catheter, the alarm for infusion of alarm set composition, wherein catheter is connected in saline bottle lower end, alarm set is installed on catheter lateral surface, alarm set is by infrared transmitting tube, infrared receiving tube, switch, alarm device composition, infrared transmitting tube, infrared receiving tube is by transmitting, receive infrared light and judge in catheter, whether there is liquid, switch, alarm device, infrared transmitting tube, infrared receiving tube composition closed circuit.This utility model is the absorptance difference in air and water according to infrared light, thereby also different by the light intensity receiving after empty G&W, when the intensity of illumination of infrared beam changes, therefore the electrical signal intensity of receiving terminal output also can change, thereby start controller, sends alarm signal.The deficiency of its existence is, during for the detection of colored liquid, adjust the parameter of checkout gear, uses inconvenient, unreliable.
Chinese utility model patent " the alarm for infusion " (patent No.: CN201020208750.5, Granted publication day: 2011.04.20) a kind of alarm for infusion disclosed, comprise the reminiscences body that is provided with level detection alarm device, the open type draw-in groove engaging with tube for transfusion is set on reminiscences body, during use, be arranged on the tube for transfusion between medicinal liquid bottle and Murphy tube, by level detection alarm device, liquid level in tube for transfusion surveyed, reported to the police.Adopt draw-in groove to be installed on tube for transfusion, snap in, take off all very convenient, changing dressings bottle (or medicinal fluid bag) when operation, quite convenient, can be because the existence of alarm for infusion increases the trouble while changing dressings bottle, and clamping back balance, do not tilt, symmetrical attractive in appearance.The deficiency of its existence is, tube for transfusion is to be placed in unlimited draw-in groove, and testing result is easily subject to the interference of ambient light, causes wrong report or fails to report.
Therefore, prior art technical problem anxious to be resolved is: how to make infusion alarm easy to use and report to the police really.
Summary of the invention
The object of the present invention is to provide a kind of tube for transfusion level detection alarm device, it is not subject to the interference of ambient light line, report to the police accurately, and also strong, simple and easy to use to the adaptive ability of transfusion kind.
The technical solution that realizes the object of the invention is: a kind of tube for transfusion level detection alarm device, and it comprises: for surveying the probe unit that in tube for transfusion, liquid level changes, comprise light source and optical receiver; Be used for receiving the liquid level variation that probe unit detects, transmit and send the ECU of alarm signal, the reception single-chip microcomputer, starting switch and the power supply electrical connection that by the transmission single-chip microcomputer being connected with optical receiver, with transmission single-chip microcomputer, are connected with siren form; For transmission single-chip microcomputer, starting switch and the power supply of probe unit and ECU are fixed on to the fixed cell on the tube for transfusion between infusion bottle and Murphy's burette, comprise cover plate housing, be placed in the tube seat in housing and be placed in the fastening spring of hull outside locking shell cover plate, between housing inner cover plate and tube for transfusion, be also provided with and will be placed in tube for transfusion in housing and the spongy bed course of dark color of external light source isolation.
Light source is light emitting diode, and optical receiver is photosensitive receiving tube.
Light source and optical receiver are placed in tube for transfusion both sides or homonymy.
Dark spongy bed course is black sponge.
The present invention compared with prior art, its remarkable advantage:
1, to transparency liquid and colored liquid, can adapt to, not need artificially to regulate parameter, system is adjusted automatically, simple and easy to use;
2, tube for transfusion to be detected is placed in tube seat, has dark spongy bed course protection, and has cover plate to cover, and ambient light is very little on the impact of testing result, thereby has greatly improved the reliability of device.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the outline drawing of tube for transfusion level detection alarm device of the present invention.
Fig. 2 is tube for transfusion level detection alarm device using state schematic diagram of the present invention.
Fig. 3 is the electrical principle block diagram of tube for transfusion level detection alarm device of the present invention.
Wherein: 1 light emitting diode, 2 photosensitive receiving tubes, 3 tube seats, 4 cover plates, 5 fastening springs, 6 connectors, 7 tube for transfusions, 8 black sponges, 9 holding wires, 10 fixed cells, 11 infusion bottles, 12 on and off switch, 13 detecting sensors, 14 send single-chip microcomputer, 15 manual warning buttons, 16 warning numberings arrange device, and 17 report to the police numbers removing buttons, 18 voice guards, 19 display screens, 20 receive single-chip microcomputer.
The specific embodiment
As shown in Figure 1, a kind of tube for transfusion level detection of the present invention alarm device, comprising:
For surveying the probe unit that in tube for transfusion, liquid level changes, comprise light source 1 and optical receiver 2; Light source 1 is light emitting diode, conventionally a subsidiary current-limiting resistance; Optical receiver is photosensitive receiving tube, conventionally a subsidiary divider resistance.Light source 1 and optical receiver 2 can be placed in tube for transfusion 7 both sides, also can be placed in homonymy.Radiating circuit is all connected with power supply with receiving circuit.
The liquid level variation detecting for receiving probe unit, transmit and send the ECU of alarm signal, the reception single-chip microcomputer 20, on and off switch 12 and the power supply electrical connection that by the transmission single-chip microcomputer 14 being connected with optical receiver, with transmission single-chip microcomputer, are connected with siren form;
For the transmission single-chip microcomputer 14 of probe unit and ECU, on and off switch 12 and power supply are fixed on to the fixed cell on the tube for transfusion 7 between infusion bottle 11 and Murphy's burette, comprise cover plate 4 housing, be placed in the tube seat 3 in housing and be placed in the fastening spring 5 of hull outside locking shell cover plate, between housing inner cover plate and tube for transfusion, be also provided with by being placed in the spongy bed course 8 of dark color of tube for transfusion in housing and external light source isolation, as black sponge.
As Fig. 2, during transfusion, operate routinely, tie after infusion needle, fixed cell 10 clampings are arranged on to conventional infusion bottle 11 and observe drip velocity is on the tube for transfusion between Murphy's burette with cutting air cavity, turn on the power switch 12, start automatic alarm for transfusion.After device power, in tube for transfusion 7, there is liquid, send single-chip microcomputer 14 photosensitive receiving tube 2 is carried out to voltage acquisition, and this magnitude of voltage is preserved, subsequently, sending single-chip microcomputer 14 can carry out voltage acquisition to photosensitive receiving tube 2 in real time, the magnitude of voltage collecting and the magnitude of voltage gathering are for the first time compared, as magnitude of voltage does not change, tube for transfusion 7 fullness in the epigastrium and abdomen liquid are described, send single-chip microcomputer 14 and do not produce alarm signal.When the liquid level in tube for transfusion 7 drops to set point, transfusion tube wall can brighten, and detected by photosensitive receiving tube 2, sending single-chip microcomputer 14 gathers magnitude of voltage now, and compare with primary magnitude of voltage, magnitude of voltage changes, now, send single-chip microcomputer 14 and will produce alarm signal, send the reception single-chip microcomputer 20 that single-chip microcomputer 14 arranges the numbering of reporting to the police warning numbering that device 16 arranges and send to by holding wire 9 nurse's night shift room, receive single-chip microcomputer 20 numbering receiving is processed and shown, produce audible alarm simultaneously.
If when patient needs medical personnel's help in the process of transfusion, can be by pressing manual pull station, after transmission single-chip microcomputer detects that manual pull station is pressed, also the numbering of reporting to the police can be sent on the reception single-chip microcomputer of night shift room by connecting line (9), receive single-chip microcomputer the numbering receiving is processed and shown, produce audible alarm simultaneously.
As Fig. 3, medical personnel can remove the warning numbering showing by numbering clear key (17), to clear up display space for showing other numberings of reporting to the police.Routine operation, ties after infusion needle, and the transmitting portion clamping of this device is arranged on to conventional infusion bottle and observes drip velocity with on the tube for transfusion cutting between air cavity, opens switch, starts defeated automatic alarm system.When liquid level drops to while being reached search coverage, in tube for transfusion, there is total reflection in light, by light source receiving apparatus, obtain the larger optical signal of intensity, and the optical signal during with original completely liquid contrasts, produce alarm signal, and the warning numbering of this device is passed to nurse's night shift room by holding wire, nurse can accurately locate ward and patient according to numbering, to change infusion bottle or finish infusion process.
Claims (4)
1. a tube for transfusion level detection alarm device, is characterized in that, comprising:
For surveying the probe unit that in tube for transfusion, liquid level changes, comprise light source 1 and optical receiver 2;
The liquid level variation detecting for receiving probe unit, transmit and send the ECU of alarm signal, the reception single-chip microcomputer 20, on and off switch 12 and the power supply electrical connection that by the transmission single-chip microcomputer 14 being connected with optical receiver, with transmission single-chip microcomputer, are connected with siren form;
For the transmission single-chip microcomputer 14 of probe unit and ECU, on and off switch 12 and power supply are fixed on to the fixed cell on the tube for transfusion 7 between infusion bottle 11 and Murphy's burette, comprise cover plate 4 housing, be placed in the tube seat 3 in housing and be placed in the fastening spring 5 of hull outside locking shell cover plate, between housing inner cover plate and tube for transfusion, be also provided with and will be placed in tube for transfusion in housing and the spongy bed course 8 of dark color of external light source isolation.
2. tube for transfusion level detection alarm device according to claim 1, is characterized in that: described light source 1 is light emitting diode, and described optical receiver is photosensitive receiving tube.
3. tube for transfusion level detection alarm device according to claim 1 and 2, is characterized in that: described light source 1 and optical receiver 2 are placed in tube for transfusion 7 homonymies.
4. tube for transfusion level detection alarm device according to claim 1 and 2, is characterized in that: the spongy bed course 8 of described dark color is black sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210385275.2A CN103721318A (en) | 2012-10-12 | 2012-10-12 | Infusion tube liquid level detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210385275.2A CN103721318A (en) | 2012-10-12 | 2012-10-12 | Infusion tube liquid level detection alarm device |
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| CN103721318A true CN103721318A (en) | 2014-04-16 |
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| CN201210385275.2A Pending CN103721318A (en) | 2012-10-12 | 2012-10-12 | Infusion tube liquid level detection alarm device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587559A (en) * | 2014-11-05 | 2015-05-06 | 钱宏毅 | Transfusion alarm device |
| CN105999478A (en) * | 2016-07-06 | 2016-10-12 | 河南驼人医疗器械集团有限公司 | Intelligent alarming apparatus for infusion ending |
| CN109224199A (en) * | 2018-10-31 | 2019-01-18 | 榆林学院 | A kind of infrared ray infusion apparatus liquid monitor and working method |
| CN110170088A (en) * | 2019-06-27 | 2019-08-27 | 济南爱我本克网络科技有限公司 | A kind of multifunctional intellectual infusion alarm |
| CN111228608A (en) * | 2020-01-09 | 2020-06-05 | 吉林省挺好滴信息技术有限责任公司 | Infrared reflection type liquid dripping speed detector |
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| CN202459624U (en) * | 2011-12-16 | 2012-10-03 | 张延� | Transfusion control system based on single-chip computer |
| CN202892548U (en) * | 2012-10-12 | 2013-04-24 | 周斌 | Infusion tube liquid level detecting and alarming device |
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2012
- 2012-10-12 CN CN201210385275.2A patent/CN103721318A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6736801B1 (en) * | 1998-02-18 | 2004-05-18 | George Gallagher | Method and apparatus for monitoring intravenous drips |
| CN2659458Y (en) * | 2003-11-18 | 2004-12-01 | 南通职业大学 | Transfusion controller |
| CN2920261Y (en) * | 2005-07-28 | 2007-07-11 | 梁佐民 | Transfusion monitoring unit |
| CN1966100A (en) * | 2006-07-05 | 2007-05-23 | 南宁松景天伦生物科技有限公司 | Medicinal multifunctional intelligentized transfusion monitoring system based on wireless digital transmission |
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| CN201798963U (en) * | 2010-07-27 | 2011-04-20 | 厦门联创微电子股份有限公司 | Non-contact portable drip alarm |
| CN202459624U (en) * | 2011-12-16 | 2012-10-03 | 张延� | Transfusion control system based on single-chip computer |
| CN202892548U (en) * | 2012-10-12 | 2013-04-24 | 周斌 | Infusion tube liquid level detecting and alarming device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587559A (en) * | 2014-11-05 | 2015-05-06 | 钱宏毅 | Transfusion alarm device |
| CN105999478A (en) * | 2016-07-06 | 2016-10-12 | 河南驼人医疗器械集团有限公司 | Intelligent alarming apparatus for infusion ending |
| CN109224199A (en) * | 2018-10-31 | 2019-01-18 | 榆林学院 | A kind of infrared ray infusion apparatus liquid monitor and working method |
| CN110170088A (en) * | 2019-06-27 | 2019-08-27 | 济南爱我本克网络科技有限公司 | A kind of multifunctional intellectual infusion alarm |
| CN111228608A (en) * | 2020-01-09 | 2020-06-05 | 吉林省挺好滴信息技术有限责任公司 | Infrared reflection type liquid dripping speed detector |
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Application publication date: 20140416 |