CN201033190Y - Air bubble infrared test apparatus of medical infusion tube - Google Patents
Air bubble infrared test apparatus of medical infusion tube Download PDFInfo
- Publication number
- CN201033190Y CN201033190Y CNU2007200477533U CN200720047753U CN201033190Y CN 201033190 Y CN201033190 Y CN 201033190Y CN U2007200477533 U CNU2007200477533 U CN U2007200477533U CN 200720047753 U CN200720047753 U CN 200720047753U CN 201033190 Y CN201033190 Y CN 201033190Y
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- bubble
- tube
- infrared
- medical infusion
- machine box
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Abstract
The utility model discloses a medical infusion tube air bubble infrared ray detecting device. A groove is opened on a device box (7) for placing a medical infusion tube (5); openings are opened symmetrically at both sides of the groove; an infrared ray launching tube (2) and an infrared ray receiving tube (4) inside the box (7) are positioned respectively at the two openings, wherein, the infrared ray launching tube (2) is electrically connected with a oscillator of an electric breadboard (6) through a signal transmission line; the infrared ray receiving tube (4) is electrically connected with a signal amplifier (14) of the electric breadboard (6); the signal amplifier (14) is connected with a rectifier (15) which is connected with module / number converter (18) through an impedance isolator; the module / number converter (18) connected with a MPU (19) and a buzzer (10) is connected with the MPU (19). The device is able to improve the resolution of the signal level, which, with various parts of the signal processing circuit integrated together, is convenient for site installation and operation.
Description
Technical field
This utility model relates to a kind of infra-red ray detection device, is specifically related to a kind of medical infusion lines bubble infra-red ray detection device.
Background technology
Hospital gives in the process of patient infusion; because the influence of various interference factors; usually can in tube for transfusion, produce the air bubble that some differ in size; after the excessive bubble of volume is passed to people's vein blood vessel; may cause capillary embolism; influence blood flow, cause serious phenomenon such as dizziness, spasm.Clear-headed or have the entourage to see to look down patient self, this can call out nurse on duty and solve.Nobody sees the situation of looking next and can produce certain danger if this bubble generation is patient in the dead of night.But the prior-warning device that occurs at the tube for transfusion bubble is not arranged as yet at present.
The utility model content
The purpose of this utility model device is to propose the automatic detection device of bubble in a kind of tube for transfusion, and when bubble occurred, this device can send the sound clearly, thereby prompting patient or nurse in time handle.
The purpose of this utility model is achieved through the following technical solutions:
A kind of medical infusion lines bubble infra-red ray detection device, comprise infrared emission tube, infrared receiver tube, electric circuit board, machine box and buzzer, have the groove of placing medical infusion lines on the described machine box, the medianly zygomorphic opening that is provided with of groove, the infrared emission tube and the infrared receiver tube that are arranged in the machine box lay respectively at two opening parts, infrared emission tube is electrically connected by the agitator of signal transmssion line and electric circuit board, the signal amplifier of infrared receiver tube and electric circuit board is electrically connected, signal amplifier is connected with commutator, commutator is connected with A/D converter through impedance separator, A/D converter is connected with microprocessor, and buzzer is connected with microprocessor.
For further realizing the purpose of this utility model, described infrared emission tube and infrared receiver tube are separately positioned in machine box interior the infrared emission tube sleeve and infrared receiver tube sleeve, and infrared emission tube sleeve and infrared receiver tube sleeve are respectively equipped with the open communication on opening and the machine box groove.
Be respectively equipped with bubble display lamp and power supply indicator on the described machine box, bubble display lamp and power supply indicator are electrically connected with electric circuit board respectively.
Described A/D converter also is connected with sensitivity control, and is poor for the attenuation amplitude of infrared waves in order to regulator solution body medium and bubble medium.
This utility model has following advantage and good effect: 1. infrared emission tube and infrared receiver tube are sealed in the machine box, reduced available light to emission---the influence of the Infrared of reception, made the decay of Infrared only relevant with the medium in the tube for transfusion.2. signal level reads through the conversion of A/D converter and by chip microprocessor, can improve the resolution of signal level.3. this device is launched tube for transfusion guide groove, infrared ray---and receiving tube, signal processing circuit each several part integrate, and have made things convenient for on-the-spot installation and operation.
Description of drawings
Fig. 1 is this utility model medical infusion lines bubble infra-red ray detection device structural representation;
Fig. 2 is a machine box profile schematic perspective view;
Fig. 3 is this utility model medical infusion lines bubble infra-red ray detection device theory diagram;
Fig. 4 is the microprocessor processes flow chart;
Fig. 5 is this utility model medical infusion lines bubble infra-red ray detection device electrical schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
As shown in Figure 1, 2, a kind of medical infusion lines bubble infra-red ray detection device comprises infrared emission tube 2, infrared receiver tube 4, electric circuit board 6, machine box 7 and buzzer 10.Have the U-lag of placing medical infusion lines 5 on the machine box 7, the medianly zygomorphic opening that is provided with of U-lag, respectively be arranged on machine box 7 in infrared emission tube 2 and infrared receiver tube 4 corresponding, the infrared emission tube 2 and the infrared receiver tubes 4 that promptly are arranged in the machine box 7 lay respectively at two opening parts.Infrared emission tube 2 and infrared receiver tube 4 are separately positioned in the infrared emission tube sleeve 1 and infrared receiver tube sleeve 3 in the machine box 7, and infrared emission tube sleeve 1 and infrared receiver tube sleeve 3 are respectively equipped with the open communication on opening and machine box 7 grooves.The material of infrared emission tube sleeve 1 and receiving tube sleeve 3 can be selected plastics or metal for use and make definite shape.Electric circuit board 6, infrared emission tube 2, infrared receiver tube 4, infrared emission tube sleeve 1 and infrared receiver tube sleeve 3 all place the machine box, have only outside the U-lag of placing medical infusion lines 5 is exposed to.
As Fig. 3 and shown in Figure 5, infrared emission tube 2 is electrically connected by the agitator of signal transmssion line and electric circuit board 6, infrared receiver tube 4 is electrically connected with the signal amplifier 14 of electric circuit board 6, signal amplifier 14 is connected with commutator 15, commutator 15 is connected with A/D converter 18 through impedance separator 16, A/D converter 18 is connected with microprocessor 19, A/D converter 18 also is connected with sensitivity control 17, and is poor for the attenuation amplitude of infrared waves in order to regulator solution body medium and bubble medium.Buzzer 10 is connected with microprocessor 19.As shown in Figure 2, be respectively equipped with bubble display lamp 8 and power supply indicator 9 on the described machine box 7.Bubble display lamp 8 and power supply indicator 9 are electrically connected with electric circuit board (6) respectively.Agitator 11 is by R1～R4, D1～D2, the timely basis set of C1 becomes circuit U 1 to connect and compose, it can produce the impulse wave of infrared frequency, infrared emission tube 2 is IFR1, infrared receiver tube 4 is IFR2, biasing circuit is made up of R6～R7, make circuit when single power supply, can amplify AC signal, signal amplifier 14 is by operational amplifier U2, feedback resistance R9, R8 and C4 connect to form, the circuit of commutator 15 is by D3, R10, C5 forms, the circuit of impedance separator 16 is by U4, R11 and W2 constitute, the circuit of sensitivity controller 17 is by operational amplifier U3, potentiometer W1 constitutes, infrared attenuating amplitude difference in order to regulator solution body medium and bubble medium, A/D converter 18 is monolithic integrated optical circuit U5, microprocessor 19 is monolithic integrated optical circuit U6, buzzer 20 is driven by audion Q2, bubble display lamp 8 is connected with the LED lamp by resistance R 12 and is constituted, power supply indicator LED2 and R13 series connection, output interface (22) is connected as open collector with audion Q1 by R14, uses for outside miscellaneous equipment.U1 is NE555 in the foregoing circuit, and U2, U3, U4 can use the TL082 operational amplifier, and U5 can use TLC1543 monolithic A/D converter, and U6 can select the AT89C2051 chip microprocessor for use.
Shown in 4, when in the tube for transfusion fully during full of liquid, the infra-red intensity that is sent by infrared emission tube 2 arrives receiving tube on one side the time, will produce the decay of certain level, be sent to the signal level of A/D converter 18 and keep certain numerical value this moment behind signal processing, and this value is designated as DINF.When having bubble to exist in the tube for transfusion and flowing through infrared ray send-receive pipe, because the natural impedance of air dielectric is very big, infrared signal will produce the decay more much bigger than liquid medium, it is little a lot of can be than liquid the time to deliver to the signal amplitude of A/D converter behind signal processing, and this value is equivalent to sensitivity adjustment level DREF.Microprocessor 19 constantly reads the transformation result DINF of A/D converter 18, and the sensitivity level numerical value DREF during with the bubble medium makes comparisons, when if attenuation amplitude equals or exceeds DREF, can determine to have in the pipe bubble to exist, light bubble display lamp 8 simultaneously, the buzzer 10 of ringing, and drive open-collector gate and use for outside miscellaneous equipment.
This utility model can prepare by following step: 1. infrared emission tube and receiving tube bush material can be selected plastics or metal for use and make definite shape.At first bore the circular hole of a φ 3 on material, the degree of depth is advisable with used infrared tube length, and then from the hole of a φ 1 of above-mentioned hole subdrilling until penetrating as light-conductive hole.2. it is also fixing to select φ 3 infrared emission tubes and infrared receiver tube to put in the above-mentioned trepanning.3. infrared emission tube and receiving tube are installed on the circuit board together with sleeve.4. press figure four electrical schematic diagram processing and fabricating printed circuit board (PCB)s.5. each components and parts of burn-oning.But 6. machine box die sinking customization or processing voluntarily, but should guarantee tube for transfusion can snap in the guide groove and do not slide.7. bubble display lamp, buzzer, power supply indicator, dc source input terminal, bubble signal output terminal are installed and are connected.(8) write microprocessor program.Finish above-mentioned work and can power up debugging.The sniffer that this utility model designer makes as stated above can be measured internal diameter 3.15mm, tube wall is the tube for transfusion of 0.1mm～2mm, and flow rates is 0～100 ml/min, and minimum volume is about 0.1 milliliter bubble, the device working stability.
Claims (4)
1. medical infusion lines bubble infra-red ray detection device, it is characterized in that comprising infrared emission tube (2), infrared receiver tube (4), electric circuit board (6), machine box (7) and buzzer (10), have the groove of placing medical infusion lines (5) on the described machine box (7), the medianly zygomorphic opening that is provided with of groove, the infrared emission tube (2) and the infrared receiver tube (4) that are arranged in the machine box (7) lay respectively at two opening parts, infrared emission tube (2) is electrically connected by the agitator of signal transmssion line and electric circuit board (6), infrared receiver tube (4) is electrically connected with the signal amplifier (14) of electric circuit board (6), signal amplifier (14) is connected with commutator (15), commutator (15) is connected with A/D converter (18) through impedance separator (16), A/D converter (18) is connected with microprocessor (19), and buzzer (10) is connected with microprocessor (19).
2. according to the described a kind of medical infusion lines bubble infra-red ray detection device of claim 1, it is characterized in that described infrared emission tube (2) and infrared receiver tube (4) are separately positioned in machine box (7) interior the infrared emission tube sleeve (1) and infrared receiver tube sleeve (3), infrared emission tube sleeve (1) and infrared receiver tube sleeve (3) are respectively equipped with the open communication on opening and machine box (7) groove.
3. according to the described a kind of medical infusion lines bubble infra-red ray detection device of claim 1, it is characterized in that being respectively equipped with on the described machine box (7) bubble display lamp (8) and power supply indicator (9), bubble display lamp (8) and power supply indicator (9) are electrically connected with electric circuit board (6) respectively.
4. according to the described a kind of medical infusion lines bubble infra-red ray detection device of claim 1, it is characterized in that described A/D converter (18) also is connected with sensitivity control (17), in order to the infrared attenuating amplitude difference of regulator solution body medium and bubble medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200477533U CN201033190Y (en) | 2007-01-17 | 2007-01-17 | Air bubble infrared test apparatus of medical infusion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200477533U CN201033190Y (en) | 2007-01-17 | 2007-01-17 | Air bubble infrared test apparatus of medical infusion tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201033190Y true CN201033190Y (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200477533U Expired - Fee Related CN201033190Y (en) | 2007-01-17 | 2007-01-17 | Air bubble infrared test apparatus of medical infusion tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201033190Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101578A (en) * | 2014-06-23 | 2014-10-15 | 中国电子科技集团公司第四十八研究所 | Infrared detecting circuit for gas-liquid two-phase flow measuring device |
| CN105372253A (en) * | 2015-12-14 | 2016-03-02 | 陈艳 | Light tube defect detection system |
| CN106075668A (en) * | 2016-08-12 | 2016-11-09 | 董稳 | Air detection device in a kind of infusion pipeline |
| CN106237436A (en) * | 2016-08-31 | 2016-12-21 | 陈富强 | The bubble alarm device of electronic infusion pump |
| CN106362234A (en) * | 2016-08-26 | 2017-02-01 | 季兵 | Intravenous infusion management device and intravenous infusion management system |
| CN108289610A (en) * | 2015-06-29 | 2018-07-17 | Q-科雷医疗有限公司 | Method, circuit, device, component, system and the associated computer-executable code of the characteristic of the fluid and bubble therein in conduit for sensing and analyzing medical treatment device |
| CN108362830A (en) * | 2018-01-15 | 2018-08-03 | 湖北民族学院 | The SCM Based infusion atmospheric monitoring system of one kind and method |
| CN108853622A (en) * | 2018-07-04 | 2018-11-23 | 广州医科大学附属第二医院 | A kind of haemodialysis fault detection alarm device |
| CN111012974A (en) * | 2020-01-06 | 2020-04-17 | 常州市第一人民医院 | Intelligent venous transfusion monitoring system |
| CN112326604A (en) * | 2020-11-02 | 2021-02-05 | 苏州长光华医生物医学工程有限公司 | System and method for detecting bubbles in liquid path of full-automatic chemiluminescence immunoassay analyzer |
| CN113252702A (en) * | 2021-07-02 | 2021-08-13 | 北京力耘柯创医学研究院 | Automatic detection method for defects of infusion catheter by machine vision system |
| CN113405742A (en) * | 2021-08-20 | 2021-09-17 | 北京力耘柯创医学研究院 | Infusion tube quality detection system |
-
2007
- 2007-01-17 CN CNU2007200477533U patent/CN201033190Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101578A (en) * | 2014-06-23 | 2014-10-15 | 中国电子科技集团公司第四十八研究所 | Infrared detecting circuit for gas-liquid two-phase flow measuring device |
| CN108289610A (en) * | 2015-06-29 | 2018-07-17 | Q-科雷医疗有限公司 | Method, circuit, device, component, system and the associated computer-executable code of the characteristic of the fluid and bubble therein in conduit for sensing and analyzing medical treatment device |
| CN105372253A (en) * | 2015-12-14 | 2016-03-02 | 陈艳 | Light tube defect detection system |
| CN106075668A (en) * | 2016-08-12 | 2016-11-09 | 董稳 | Air detection device in a kind of infusion pipeline |
| CN106362234B (en) * | 2016-08-26 | 2019-11-12 | 季兵 | Venous transfusion manages device and venous transfusion manages system |
| CN106362234A (en) * | 2016-08-26 | 2017-02-01 | 季兵 | Intravenous infusion management device and intravenous infusion management system |
| CN106237436A (en) * | 2016-08-31 | 2016-12-21 | 陈富强 | The bubble alarm device of electronic infusion pump |
| CN108362830A (en) * | 2018-01-15 | 2018-08-03 | 湖北民族学院 | The SCM Based infusion atmospheric monitoring system of one kind and method |
| CN108853622A (en) * | 2018-07-04 | 2018-11-23 | 广州医科大学附属第二医院 | A kind of haemodialysis fault detection alarm device |
| CN111012974A (en) * | 2020-01-06 | 2020-04-17 | 常州市第一人民医院 | Intelligent venous transfusion monitoring system |
| CN112326604A (en) * | 2020-11-02 | 2021-02-05 | 苏州长光华医生物医学工程有限公司 | System and method for detecting bubbles in liquid path of full-automatic chemiluminescence immunoassay analyzer |
| WO2022088586A1 (en) * | 2020-11-02 | 2022-05-05 | 苏州长光华医生物医学工程有限公司 | System and method for detecting bubbles in liquid path of fully automatic chemiluminescence immunoassay analyzer |
| CN113252702A (en) * | 2021-07-02 | 2021-08-13 | 北京力耘柯创医学研究院 | Automatic detection method for defects of infusion catheter by machine vision system |
| CN113252702B (en) * | 2021-07-02 | 2021-09-28 | 北京力耘柯创医学研究院 | Automatic detection method for defects of infusion catheter by machine vision system |
| CN113405742A (en) * | 2021-08-20 | 2021-09-17 | 北京力耘柯创医学研究院 | Infusion tube quality detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20110117 |