CN202223664U - Transfusion detection device - Google Patents
Transfusion detection device Download PDFInfo
- Publication number
- CN202223664U CN202223664U CN2011203519816U CN201120351981U CN202223664U CN 202223664 U CN202223664 U CN 202223664U CN 2011203519816 U CN2011203519816 U CN 2011203519816U CN 201120351981 U CN201120351981 U CN 201120351981U CN 202223664 U CN202223664 U CN 202223664U
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Abstract
The embodiment of the utility model discloses a transfusion detection device which is applied to the technical field of medical instruments. The device comprises an infrared sensor used for sensing signals of bubbles or foreign matters in transfusion liquid and outputting the signals to a sampling circuit for sampling the signals; the sampling circuit is connected with an amplifying circuit which is used for amplifying the sampled signals; the amplifying circuit is connected with a shaping circuit which is used for shaping the amplified signals; the shaping circuit is connected with a control circuit which is used for carrying out signal analysis on the shaped signals; and the control circuit is connected with a mechanical execution mechanism which is used for controlling starting/stopping of a transfusion pump and outputs control signals to the mechanical execution mechanism. By adopting the infrared detection technology, the transfusion detection device has very good compatibility to detected liquid and has the advantages that bubble detection is stable and reliable, and the transfusion pump can work normally and stably during the transfusion of liquid such as blood and nutrient solution.
Description
Technical field
This utility model belongs to technical field of medical instruments, specifically more relates to a kind of infusion test device.
Background technology
Bubble detection circuit is one of Key Circuit of infusion pump, and whether reliable and stable the circuit direct safety that infusion pump is used that influences simultaneously because transfusion liquid varied needs testing circuit that good compatibility is arranged.
At present a lot of infusion pump are all used ultrasonic sensor in bubble detection circuit, its advantage is that the frequency that detects is high, and wavelength is short; The diffraction phenomenon is little, particularly good directionality, can become ray and direction propagation, but its shortcoming be since its acoustic impedance in different propagation mediums be different; Then generally can not be used for different media with a kind of ultrasonic sensor; And at medical field, because of the medical procedure of dialysis, transfusion or blood transfusion is comparatively complicated, therefore; And, use very inconvenience because ultrasonic sensor is not fine to the compatibility of seized liquid.
Summary of the invention
The purpose of this utility model embodiment provides a kind of infusion test device, to improve the safety in utilization of infusion pump.
In order to reach the foregoing invention purpose, a kind of infusion test device that this utility model embodiment proposes is realized through following technical scheme:
A kind of infusion test device, said infusion test device comprises infrared sensor, sample circuit, amplifying circuit, shaping circuit, control circuit, mechanical actuating mechanism, wherein,
Said infrared sensor, be used for the sensing transfusion liquid bubble or foreign body signal and export the said sample circuit that said signal is sampled to;
Said sample circuit links to each other with the said amplifying circuit that the signal after the sampling is amplified;
Said amplifying circuit links to each other with the said shaping circuit that the signal after amplifying is carried out shaping;
Said shaping circuit links to each other with the control circuit that is used for the signal after the shaping is carried out signal analysis;
Said control circuit opened/stopped infusion pump with control mechanical actuating mechanism links to each other, and outputs control signals to said mechanical actuating mechanism.
Further preferably, said device also comprises a warning circuit, links to each other with said control circuit, is used to receive said control signal and reports to the police.
Further preferably, said device also comprises a display circuit, links to each other with said control circuit, is used to receive said control signal display alarm reason.
Further preferably; Said device also comprises a discharge circuit and A/D circuit; Said discharge circuit links to each other with the A/D circuit with said infrared sensor respectively, is used for receiving and amplifying the status signals of detected transfusion device of said infrared sensor and/or infusion pipeline liquid, and exports the A/D circuit that carries out the A/D conversion to; Said A/D links to each other with control circuit, will export said control circuit to through the signal after the A/D conversion.
Further preferably, said infrared sensor comprises linear highly sensitive infrared sensor.
This utility model embodiment is through providing a kind of infusion test device; Having solved existing bubble detection device is not good problem to the compatibility of seized liquid, and then through adopting infrared detection technology, thereby seized liquid there is good compatibility; Not only bubble detects reliable and stable; And when blood transfusion liquid, these special liquids of nutritional solution, infusion pump also can normal and stable work, can stride medium very easily and use.
Description of drawings
Through the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of this utility model will become apparent and understand easily.
Fig. 1 is the composition sketch map of 1 one kinds of infusion test devices of this utility model embodiment;
Fig. 2 is the composition sketch map of this utility model embodiment 2 another kind of infusion test devices;
Fig. 3 is the composition sketch map of this utility model embodiment 3 another kind of infusion test devices;
Fig. 4 is the composition sketch map of this utility model embodiment 4 another kind of infusion test devices;
Fig. 5 is the circuit diagram of this utility model embodiment 5 another kind of infusion test.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
As shown in Figure 1, in order to reach the foregoing invention purpose, a kind of infusion test device that this utility model embodiment proposes is realized through following technical scheme:
A kind of infusion test device, said infusion test device comprises infrared sensor, sample circuit, amplifying circuit, shaping circuit, control circuit, mechanical actuating mechanism, wherein,
Infrared sensor, be used for the sensing transfusion liquid bubble or foreign body signal and export the sample circuit that said signal is sampled to;
Sample circuit links to each other with the amplifying circuit that the signal after the sampling is amplified;
Amplifying circuit links to each other with the shaping circuit that the signal after amplifying is carried out shaping;
Shaping circuit links to each other with the control circuit that is used for the signal after the shaping is carried out signal analysis;
Control circuit opened/stopped infusion pump with control mechanical actuating mechanism links to each other, and outputs control signals to mechanical actuating mechanism.
As shown in Figure 5, when infusion pump in the normal infusion process, when occurring bubble in the transfusion liquid or foreign body being arranged; Infrared sensor senses rapidly; And the sample circuit of forming through U1A, U4B carries out signal sampling, and the signal that collects is exported to the MCU control circuit through the signal that the U1B amplifying circuit carries out after processing and amplifying and U2B shaping circuit carry out the shaping shaping respectively; Carry out analytical judgment by MCU, see whether to stop transfusion.
When needs stopped to infuse, control circuit output control signals to mechanical actuating mechanism on the one hand and stops transfusion.
As shown in Figure 2, further preferably, said device also comprises a warning circuit, links to each other with said control circuit, is used to receive said control signal and reports to the police, and promptly carries out sound and light alarm through warning circuit.
As shown in Figure 3, further preferably, said device also comprises a display circuit, links to each other with said control circuit, is used to receive said control signal display alarm reason, is about to warning reason and is presented on the display screen.
As shown in Figure 4; Further preferably, said device also comprises a discharge circuit and A/D circuit, and said discharge circuit links to each other with A/D with said infrared sensor respectively; Be used for receiving and amplifying the status signals of detected transfusion device of said infrared sensor and/or infusion pipeline liquid; And deliver to the A/D circuit and carry out the A/D conversion, said A/D links to each other with control circuit, will export control circuit analysis to through the signal after the A/D conversion.
The situation of liquid in highly sensitive linear infrared sensor in real time monitoring transfusion device and the infusion pipeline; The signal that U1C discharge circuit and A/D change-over circuit sense infrared sensor amplifies with A/D to be changed; The result sends into MCU; Judge to have or not in transfusion device embedding and the transfusion device whether be full of medicinal liquid in the infusion pump; If be not full of medicinal liquid in no transfusion device embedding or the transfusion device in the infusion pump, then stop infusion pump and make it can't start transfusion, simultaneously through reporting to the police or these information of display circuit prompting user through mechanical actuating mechanism.
This utility model embodiment is through providing a kind of infusion test device; Having solved existing bubble detection device is not good problem to the compatibility of seized liquid; And then through the employing infrared detection technology, thereby seized liquid there is good compatibility, not only bubble detects reliable and stable; And when blood transfusion liquid, these special liquids of nutritional solution, infusion pump also can normal and stable work.
One of ordinary skill in the art of the present invention are appreciated that; The above embodiment of the present invention is merely one of the preferred embodiments of the present invention; Be the length restriction; Here can not all embodiments of particularize, any enforcement that can embody claim technical scheme of the present invention is all in protection scope of the present invention.
It should be noted that; Above content is to combine concrete embodiment to further explain that the present invention did; Can not assert that the specific embodiment of the present invention only limits to this; Under above-mentioned guidance of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in protection scope of the present invention.
Claims (4)
1. an infusion test device is characterized in that, said infusion test device comprises: infrared sensor, and sample circuit, amplifying circuit, shaping circuit, control circuit, mechanical actuating mechanism, wherein,
Said infrared sensor links to each other with sample circuit, be used for the sensing transfusion liquid bubble or foreign body signal and export the said sample circuit that said signal is sampled to;
Said sample circuit links to each other with the said amplifying circuit that the signal after the sampling is amplified;
Said amplifying circuit links to each other with the said shaping circuit that the signal after amplifying is carried out shaping;
Said shaping circuit links to each other with the control circuit that is used for the signal after the shaping is carried out signal analysis;
Said control circuit opened/stopped infusion pump with control mechanical actuating mechanism links to each other, and outputs control signals to said mechanical actuating mechanism.
2. device as claimed in claim 1 is characterized in that said device also comprises a warning circuit, links to each other with said control circuit, is used to receive said control signal and reports to the police.
3. device as claimed in claim 2 is characterized in that said device also comprises a display circuit, links to each other with said control circuit, is used to receive said control signal display alarm reason.
4. device as claimed in claim 3; It is characterized in that said device also comprises a discharge circuit and A/D circuit, said discharge circuit links to each other with the A/D circuit with said infrared sensor respectively; Be used for receiving and amplifying the status signals of detected transfusion device of said infrared sensor and/or infusion pipeline liquid; And exporting the A/D circuit that carries out the A/D conversion to, said A/D links to each other with control circuit, will export said control circuit to through the signal after the A/D conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203519816U CN202223664U (en) | 2011-09-19 | 2011-09-19 | Transfusion detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203519816U CN202223664U (en) | 2011-09-19 | 2011-09-19 | Transfusion detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202223664U true CN202223664U (en) | 2012-05-23 |
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ID=46074275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203519816U Expired - Lifetime CN202223664U (en) | 2011-09-19 | 2011-09-19 | Transfusion detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202223664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056315A (en) * | 2014-06-20 | 2014-09-24 | 郭淑玲 | Bubble monitoring system for blood purification |
-
2011
- 2011-09-19 CN CN2011203519816U patent/CN202223664U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056315A (en) * | 2014-06-20 | 2014-09-24 | 郭淑玲 | Bubble monitoring system for blood purification |
| CN104056315B (en) * | 2014-06-20 | 2017-02-01 | 刘波 | Bubble monitoring system for blood purification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |