CN202892548U - Infusion tube liquid level detecting and alarming device - Google Patents
Infusion tube liquid level detecting and alarming device Download PDFInfo
- Publication number
- CN202892548U CN202892548U CN 201220521604 CN201220521604U CN202892548U CN 202892548 U CN202892548 U CN 202892548U CN 201220521604 CN201220521604 CN 201220521604 CN 201220521604 U CN201220521604 U CN 201220521604U CN 202892548 U CN202892548 U CN 202892548U
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- Prior art keywords
- tube
- chip microcomputer
- transfusion
- liquid level
- infusion
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Abstract
The utility model relates to an infusion tube liquid level detecting and alarming device which comprises a detecting unit, an electronic control unit and a fixing unit. The detecting unit is used for detecting changes of the liquid level inside an infusion tube and comprises a light source and a light receiver. The electronic control unit is used for receiving the liquid level changes detected by the detecting unit and transmitting and sending out alarm signals, and is composed of a transmitting single-chip microcomputer, a receiving single-chip microcomputer, a starting switch and a power supply, wherein the transmitting single-chip microcomputer, the receiving single-chip microcomputer, the starting switch and the power supply are in electric connection, the transmitting single-chip microcomputer is connected with the light receiver, and the receiving single-chip microcomputer is connected with the transmitting single-chip microcomputer and an alarm. The fixing unit is used for fixing the transmitting single-chip microcomputer, the starting switch and the power supply of the electronic control unit and the detecting unit on the portion, between an infusion bottle and a Murphy's dropper, of the infusion tube. The fixing unit comprises a shell with a cover plate, a tube groove formed in the shell, and a clamping spring arranged on the outer side of the shell and used for locking the cover plate of the shell tightly, and a dark sponge-like cushion layer is further arranged between the cover plate and the portion, inside the shell, of the infusion tube and used for isolating the portion, inside the shell, of the infusion tube from an outside light source. The infusion tube liquid level detecting and alarming device cannot be easily interfered by outside light rays, is accurate in alarming, good in adaptive ability to infusion types and convenient and simple to use, and can be widely used in medical infusion.
Description
Technical field
This utility model belongs to the 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 the detection tube for transfusion.
Background technology
When infusion set finishes transfusion or changes infusion bottle in Hospitals at Present ward and the transfusion hall, after generally being observed by entourage or patient, by calling out or manually reminding the nurse by alarm.If but entourage or patient do not note, medical personnel did not know after transfusion finished, so that tube for transfusion occurs into air or blood back phenomenon, produce unpredictable consequence, therefore require entourage or patient constantly to pay close attention to liquid level in the tube for transfusion, increased entourage or patient's spirit and physical load.Especially in the night infusion process, this has brought wrecking of body and mind for 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) disclose a kind of by saline bottle, catheter, the alarm for infusion that alarm set forms, wherein catheter is connected in the saline bottle lower end, alarm set is installed on the catheter lateral surface, alarm set is by infrared transmitting tube, infrared receiving tube, switch, alarm device forms, infrared transmitting tube, infrared receiving tube is by emission, receive infrared light and judge whether liquid, switch are arranged in the catheter, alarm device, infrared transmitting tube, infrared receiving tube forms closed circuit.This utility model is different according to the absorptance of infrared light in air and water, thereby also different by the light intensity that receives behind the empty G﹠W, when the intensity of illumination of infrared beam changes, therefore the electrical signal intensity of receiving terminal output also can change, and sends alarm signal thereby start controller.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) disclose a kind of alarm for infusion, comprise the reminiscences body that is provided with the level detection alarm device, the open type draw-in groove that engages with tube for transfusion is set on the reminiscences body, be installed in during use on the tube for transfusion between medicinal liquid bottle and the Murphy tube, by the level detection alarm device liquid level in the tube for transfusion surveyed, reported to the police.Adopt draw-in groove to be installed on the tube for transfusion, snap in, take off all very convenient, quite convenient when changing dressings bottle (or medicinal fluid bag) operation, can not increase because of the existence of alarm for infusion the trouble when changing dressings bottle, and the clamping back balance, do not tilt, symmetrical attractive in appearance.The deficiency of its existence is, tube for transfusion is to be placed in the unlimited draw-in groove, and testing result is subject to the interference of ambient light easily, 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.
The utility model content
The purpose of this utility model is to provide a kind of tube for transfusion level detection alarm device, and 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 this utility model purpose is: a kind of tube for transfusion level detection alarm device, and it comprises: be used for surveying the probe unit that liquid level changes in the tube for transfusion, comprise light source and optical receiver; Be used for to receive the liquid level that probe unit detects and change, transmit and send the ECU of alarm signal, by the transmission single-chip microcomputer that links to each other with optical receiver, with send reception single-chip microcomputer, starting switch and the power supply electrical connection that single-chip microcomputer links to each other with siren and form; Be used for transmission single-chip microcomputer, starting switch and power supply with probe unit and ECU and be fixed on fixed cell on the tube for transfusion between infusion bottle and the Murphy's burette, comprise cover plate housing, place the tube seat in the housing and place the fastening spring of hull outside locking shell cover plate, also be provided with the dark spongy bed course that the tube for transfusion and the external light source that place in the housing are isolated between housing inner cover plate and the tube for transfusion.
Light source is light emitting diode, and optical receiver is photosensitive receiving tube.
Light source and optical receiver place tube for transfusion both sides or homonymy.
Dark spongy bed course is the black sponge.
This utility model compared with prior art, its remarkable advantage:
1, can both adapt to transparency liquid and colored liquid, not need artificially to regulate parameter, system adjusts automatically, and is simple and easy to use;
2, tube for transfusion to be detected places tube seat, dark spongy bed course protection is arranged, and have 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 this utility model is described in further detail.
Description of drawings
Fig. 1 is the outline drawing of this utility model tube for transfusion level detection alarm device.
Fig. 2 is this utility model tube for transfusion level detection alarm device user mode sketch map.
Fig. 3 is the electrical principle block diagram of this utility model tube for transfusion level detection alarm device.
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 the 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 this utility model alarm device comprises:
Be used for surveying the probe unit that liquid level changes in the tube for transfusion, comprise light source 1 and optical receiver 2; Light source 1 is light emitting diode, usually subsidiary current-limiting resistance; Optical receiver is photosensitive receiving tube, usually subsidiary divider resistance.Light source 1 and optical receiver 2 can place tube for transfusion 7 both sides, also can place homonymy.Radiating circuit all links to each other with power supply with receiving circuit.
Be used for receiving the liquid level variation that probe unit detects, transmission is also sent the ECU of alarm signal, by the transmission single-chip microcomputer 14 that links to each other with optical receiver, with send reception single-chip microcomputer 20, on and off switch 12 and the power supply electrical connection that single-chip microcomputer links to each other with siren and form;
Be used for transmission single-chip microcomputer 14, on and off switch 12 and power supply with probe unit and ECU and be fixed on fixed cell on the tube for transfusion 7 between infusion bottle 11 and the Murphy's burette, comprise cover plate 4 housing, place the tube seat 3 in the housing and place the fastening spring 5 of hull outside locking shell cover plate, also be provided with between housing inner cover plate and the tube for transfusion with placing the dark spongy bed course 8 of tube for transfusion in the housing and external light source isolation, such as the black sponge.
Such as Fig. 2, operate routinely during transfusion, tie infusion needle after, fixed cell 10 clampings being installed in conventional infusion bottle 11 and observing drip velocity is on the tube for transfusion between the Murphy's burette with cutting air cavity, turn on the power switch 12, start automatic alarm for transfusion.After device power, in the tube for transfusion 7 liquid is arranged, send 14 pairs of photosensitive receiving tubes of single-chip microcomputer 2 and carry out voltage acquisition, and with this magnitude of voltage preservation, subsequently, sending single-chip microcomputer 14 can carry out voltage acquisition to photosensitive receiving tube 2 in real time, the magnitude of voltage that collects and the magnitude of voltage that gathers are for the first time compared, do not change such as magnitude of voltage, 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 the tube for transfusion 7 drops to set point, the transfusion tube wall can brighten, and detected by photosensitive receiving tube 2, the magnitude of voltage that sends 14 pairs of this moments of single-chip microcomputer gathers, and compare with primary magnitude of voltage, magnitude of voltage changes, at this moment, send single-chip microcomputer 14 and will produce alarm signal, transmission single-chip microcomputer 14 will be reported to the police and be numbered the warning numbering that device 16 settings are set sends to nurse's night shift room by holding wire 9 reception single- chip microcomputer 20,20 pairs of numberings that receive of reception single-chip microcomputer are processed and are shown, produce simultaneously audible alarm.
When if the patient needs medical personnel's help in the process of transfusion, can be by pressing manual pull station, after sending single-chip microcomputer and detecting manual pull station and press, 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), the reception single-chip microcomputer is processed the numbering that receives and is shown, produces simultaneously audible alarm.
Such as Fig. 3, medical personnel can remove the warning numbering that shows by numbering clear key (17), are used for showing other numberings of reporting to the police with the cleaning display space.Routine operation, tie infusion needle after, the transmitting portion clamping of this device is installed in conventional infusion bottle and observes drip velocity with on the tube for transfusion that cuts between the air cavity, open switch, start defeated automatic alarm system.When liquid level drops to when being reached search coverage, total reflection occurs in light in tube for transfusion, obtain the larger optical signal of intensity by the light source receiving apparatus, and compare with original optical signal when expiring liquid, produce alarm signal, and the warning of this device numbering passed to nurse's night shift room by holding wire, the nurse can accurately locate ward and patient according to numbering, in order to change infusion bottle or finish infusion process.
Claims (4)
1. a tube for transfusion level detection alarm device is characterized in that, comprising:
Be used for surveying the probe unit that liquid level changes in the tube for transfusion, comprise light source (1) and optical receiver (2);
Be used for receiving the liquid level variation that probe unit detects, transmission is also sent the ECU of alarm signal, by the transmission single-chip microcomputer (14) that links to each other with optical receiver, with send reception single-chip microcomputer (20), on and off switch (12) and the power supply electrical connection that single-chip microcomputer links to each other with siren and form;
Be used for transmission single-chip microcomputer (14), on and off switch (12) and power supply with probe unit and ECU and be fixed on fixed cell on the tube for transfusion (7) between infusion bottle (11) and the Murphy's burette, comprise cover plate (4) housing, place the tube seat (3) in the housing and place the fastening spring (5) of hull outside locking shell cover plate, also be provided with the dark spongy bed course (8) that will place tube for transfusion in the housing and external light source to isolate between housing inner cover plate and the tube for transfusion.
2. tube for transfusion level detection alarm device according to claim 1, it 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, it is characterized in that: described light source (1) and optical receiver (2) place tube for transfusion (7) homonymy.
4. tube for transfusion level detection alarm device according to claim 1 and 2 is characterized in that: the spongy bed course of described dark color (8) is the black sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220521604 CN202892548U (en) | 2012-10-12 | 2012-10-12 | Infusion tube liquid level detecting and alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220521604 CN202892548U (en) | 2012-10-12 | 2012-10-12 | Infusion tube liquid level detecting and alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202892548U true CN202892548U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220521604 Expired - Fee Related CN202892548U (en) | 2012-10-12 | 2012-10-12 | Infusion tube liquid level detecting and alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202892548U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721318A (en) * | 2012-10-12 | 2014-04-16 | 周斌 | Infusion tube liquid level detection alarm device |
| CN104174096A (en) * | 2014-09-11 | 2014-12-03 | 刘都 | Flow cut-off system and liquid level alarm system for medical infusion bottle |
| CN105288786A (en) * | 2015-11-13 | 2016-02-03 | 上海引抚医疗科技有限公司 | Safe and reliable device for automatically detecting ending of transfusion |
| CN112472912A (en) * | 2021-01-12 | 2021-03-12 | 浙江清萍医疗器械有限公司 | Automatic needle pulling device with liquid flow detection function |
-
2012
- 2012-10-12 CN CN 201220521604 patent/CN202892548U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721318A (en) * | 2012-10-12 | 2014-04-16 | 周斌 | Infusion tube liquid level detection alarm device |
| CN104174096A (en) * | 2014-09-11 | 2014-12-03 | 刘都 | Flow cut-off system and liquid level alarm system for medical infusion bottle |
| CN105288786A (en) * | 2015-11-13 | 2016-02-03 | 上海引抚医疗科技有限公司 | Safe and reliable device for automatically detecting ending of transfusion |
| CN112472912A (en) * | 2021-01-12 | 2021-03-12 | 浙江清萍医疗器械有限公司 | Automatic needle pulling device with liquid flow detection function |
| CN112472912B (en) * | 2021-01-12 | 2021-07-06 | 郭玉玲 | Automatic needle pulling device with liquid flow detection function |
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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: 20130424 Termination date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |