CN101785887B - Automatic infusion pump - Google Patents
Automatic infusion pump Download PDFInfo
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- CN101785887B CN101785887B CN 200910105260 CN200910105260A CN101785887B CN 101785887 B CN101785887 B CN 101785887B CN 200910105260 CN200910105260 CN 200910105260 CN 200910105260 A CN200910105260 A CN 200910105260A CN 101785887 B CN101785887 B CN 101785887B
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Abstract
The invention discloses an automatic infusion pump comprising a shell body and a pump body assembly fixed on the shell body. The shell body is provided with a pipe groove for an infusion pipe to pass through; the pump body assembly comprises a peristaltic pump and a bubble induction device; the bubble induction device includes a first signal generating module, a second signal generating module, a signal processing module and an alarm module, wherein the first signal generating module and the second signal generating module are used for detecting bubbles at adjacent positions of the infusion pipe and outputting a first signal and a second signal, the input end of the signal processing module is connected respectively with the first signal generating module and the second signal generating module, and the signal processing module outputs a bubble detecting signal to the alarm module. Two paths of signals are utilized in the invention; an alarm signal is sent out only when large bubbles are detected to exist in the infusion pipe and is not sent out if the bubbles are small and have no impact on the infusion safety; therefore, the infusion pump is more convenient and reasonable when in use.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments of medium being introduced human body, specifically relate to a kind of automatic infusion pump.
Background technology
Infusion pump is a kind of device of safe, accurate control transfusion.Traditional infusion mode utilizes liquid potential energy to be used as power, be difficult to control steadily in the long term transfusion speed and amount of infusion, and infusion pump can satisfy the occasion requirement of high accuracy and quick infusion, and automatic infusion pump all is provided with bubble detection device, the unexpected malpractice that occurs of can avoiding infusing.The general automatic infusion pump of using for making the infusion pump normal operation and guaranteeing infusion safety, is equipped with bubble induction installation 01, is blocked induction installation 02 as shown in Figure 1 in infusion pump.When bubble induction installation 01 detects when having bubble to pass through in tube for transfusion, can send sound and light alarm, remind medical personnel.The problem that the bubble induction installation of existing infusion pump exists is: in infusion process, some small bubbles do not affect the safety of transfusion, and the bubble induction installation can not judge the size of bubble, all can report to the police as long as bubble occurred in tube for transfusion.So in use easily increase the unnecessary burden of medical personnel, add patient's worry.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind of automatic infusion pump, and it can be reported to the police to larger bubble, and some small bubbles are not reported to the police.
Technical problem of the present invention is solved by the following technical programs.
this automatic infusion pump, comprise housing and the pump assembly that is fixed on housing, described housing is provided with the tube seat of allowing that tube for transfusion passes through, described pump assembly comprises peristaltic pump, the bubble induction installation, described bubble induction installation comprises the first signal generation module, the secondary signal generation module, signal processing module and alarm module, described first signal generation module and secondary signal generation module are for detection of the bubble of tube for transfusion adjacent position and export first signal and secondary signal, the input of described signal processing module is connected with the secondary signal generation module with the first signal generation module respectively, and output bubble detection signal is to alarm module.
Further, in above-mentioned automatic infusion pump, described first signal generation module comprises first sensor, the first testing circuit that is connected with first sensor, the first comparison circuit that is connected with the first testing circuit, and the outfan of described the first comparison circuit is connected with the input of signal processing module.
Described secondary signal generation module comprises the second sensor, the second testing circuit that is connected with the second sensor, the second comparison circuit that is connected with the second testing circuit, and the outfan of described the second comparison circuit is connected with the input of signal processing module.
Described signal processing module comprises AND circuit, signal processing circuit, the CPU that is connected with signal processing circuit, the input of described AND circuit respectively with the first comparison circuit be connected the outfan of comparison circuit and be connected, the outfan of described AND circuit is connected with signal processing circuit.
Described first sensor is infrared sensor.
Second sensor of telling is infrared sensor.
Described alarm module is buzzer or luminous tube.
The present invention is compared with the prior art the beneficial effect that has: because the bubble induction installation comprises two adjacent first sensors and the second sensor, the bubble that passes through for detection of diverse location in tube for transfusion, only have like this when a bubble has enough length, just can make two adjacent sensors the existence of bubble be detected simultaneously, by sending again the sound and light alarm signal after signal processing; If be that small bubble passes through, only have a sensor device existence of bubble to be detected, another can not detect the existence of bubble simultaneously, can not send the sound and light alarm signal, thereby makes automatic infusion pump in use more convenient, reasonable.
Description of drawings
Fig. 1 is the structural representation of existing automatic infusion pump;
Fig. 2 is the functional block diagram of bubble detection device in the specific embodiment.
The specific embodiment
A kind of automatic infusion pump, identical with existing infusion pump is, comprises housing and pump assembly, and pump assembly is arranged in housing, and pump assembly comprises peristaltic pump, the motor that drives peristaltic pump, bubble induction installation, blocks induction installation; Housing is provided with the tube seat of allowing that tube for transfusion passes through, and during work, tube for transfusion is through the wriggling section of peristaltic pump, the sensor of bubble induction installation, the sensor of obstruction induction installation.During transfusion, the wriggling by peristaltic pump advances the liquid flow in tube for transfusion, and the bubble induction installation is for detection of the bubble in tube for transfusion, the concurrent visual alarm of speaking.
As shown in Figure 2, in present embodiment, bubble detection device comprises first signal generation module 100, secondary signal generation module 200, signal processing module 300 and alarm module 400.
First signal generation module 100 comprises first sensor 2, the first testing circuit 4, the first comparison circuit 6.The outfan that the output signal of first sensor 2 is connected to the first testing circuit 4, the first testing circuits 4 is connected to the first comparison circuit 6.First sensor 2 adopts the adjustable infrared sensor of sensitivity, also can adopt other photoelectric sensors etc.
Secondary signal generation module 200 comprises the second sensor 3, the second testing circuit 5, the second comparison circuit 7.The output that the output signal of the second sensor 3 is connected to the second testing circuit 5, the second testing circuits 5 is connected to the second comparison circuit 7.The second sensor 3 adopts the adjustable infrared sensor of sensitivity.
The process that first signal generation module 100 generates first signal is prior art: first sensor 2 adopts the infraluminescence receptor, sensor is placed in the both sides that are positioned at tube for transfusion 1 on the housing tube seat, when have over against the position of sensor 2 in tube for transfusion 1 bubble 11 by the time, the luminous flux by first sensor 2 can change.First sensor testing circuit 4 is exported to the first comparison circuit 6 with the detection signal of first sensor 2, the first comparison circuit 6 is with the signal and the reference signal contrast that detect, if the variation of luminous flux has occured, showing has bubble to pass through, export high level signal to AND circuit 8, otherwise output low level.In like manner, the high and low level of secondary signal generation module 200 generations connects another input that inputs to AND circuit 8.
After the AND circuit 8 of signal processing module 300 receives the output signal of the first comparison circuit 6 and the second comparison circuit 7, only have and just export high level signal when two signals all are high level, namely two infrared sensors have all detected when bubble exists and have just exported high level signal, otherwise output low level signals all.The output signal of 9 pairs of AND circuits 8 of signal processing circuit is sent into control processor 10 after the processing such as amplifying, and control processor 10 is exported the bubble detection signal accordingly to light emitting diode or buzzer 400, sends sound and light alarm.
Adjacent position on the fixed support that first sensor 2 and the second sensor 3 are fixed on housing or housing is interior, spacing between two sensors has determined the length of the bubble that can detect, so can adjust the accuracy of detection of Air Bubble Size by adjusting two installation sites between sensor, adapt to different transfusion needs.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. automatic infusion pump, comprise housing and the pump assembly that is fixed on housing, described housing is provided with the tube seat of allowing that tube for transfusion passes through, described pump assembly comprises peristaltic pump, the bubble induction installation, it is characterized in that: described bubble induction installation comprises the first signal generation module, the secondary signal generation module, signal processing module and alarm module, described first signal generation module and secondary signal generation module are for detection of the bubble of tube for transfusion adjacent position and export first signal and secondary signal, the input of described signal processing module is connected with secondary signal generation module signal with the first signal generation module respectively, when first signal generation module and secondary signal generation module detect bubble simultaneously, just make the signal processing module output detections to the signal of bubble to alarm module.
2. automatic infusion pump as claimed in claim 1, it is characterized in that: described first signal generation module comprises first sensor, the first testing circuit that is connected with first sensor and the first comparison circuit that is connected with the first testing circuit, and the outfan of described the first comparison circuit is connected with the input of signal processing module.
3. automatic infusion pump as claimed in claim 2, it is characterized in that: described secondary signal generation module comprises the second sensor, the second testing circuit that is connected with the second sensor and the second comparison circuit that is connected with the second testing circuit, and the outfan of described the second comparison circuit is connected with the input of signal processing module.
4. automatic infusion pump as claimed in claim 3, it is characterized in that: described signal processing module comprises AND circuit, signal processing circuit and the CPU that is connected with signal processing circuit, the input of described AND circuit respectively with the first comparison circuit be connected the outfan of comparison circuit and be connected, the outfan of described AND circuit is connected with signal processing circuit.
5. automatic infusion pump as claimed in claim 4 is characterized in that: described first sensor is infrared sensor.
6. automatic infusion pump as claimed in claim 4 is characterized in that: described the second sensor is infrared sensor.
7. automatic infusion pump as claimed in claim 4 is characterized in that: described alarm module comprises buzzer or light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910105260 CN101785887B (en) | 2009-01-22 | 2009-01-22 | Automatic infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910105260 CN101785887B (en) | 2009-01-22 | 2009-01-22 | Automatic infusion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101785887A CN101785887A (en) | 2010-07-28 |
| CN101785887B true CN101785887B (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910105260 Active CN101785887B (en) | 2009-01-22 | 2009-01-22 | Automatic infusion pump |
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| CN (1) | CN101785887B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125710B (en) * | 2011-04-17 | 2013-04-03 | 泉州市银星电子科技有限公司 | Sensing detection component of automatic infusion apparatus |
| CN104721909B (en) * | 2015-01-04 | 2017-10-20 | 涂家海 | Syringe pump air empties detection means |
| CN104606737A (en) * | 2015-01-23 | 2015-05-13 | 深圳市科曼医疗设备有限公司 | Infusion pump and infusion pump blockage detecting method |
| CN105903102B (en) * | 2016-06-03 | 2022-04-12 | 广州汇特医疗科技有限公司 | Device capable of detecting size of bubbles in infusion apparatus pipeline |
| CN106237436A (en) * | 2016-08-31 | 2016-12-21 | 陈富强 | The bubble alarm device of electronic infusion pump |
| CN107596494A (en) * | 2017-10-25 | 2018-01-19 | 王光耀 | The automatic infusion device for changing fluid infusion |
| CN108562949A (en) * | 2018-06-21 | 2018-09-21 | 广州军区广州总医院 | A kind of air bubble automatic checkout system and method |
| CN112107759B (en) * | 2019-06-20 | 2022-11-04 | 深圳迈瑞科技有限公司 | Infusion pump working method, infusion pump, medical equipment and storage medium |
| CN110960747B (en) * | 2019-12-19 | 2021-08-06 | 山东大学齐鲁医院 | High-precision analgesia pump and working method |
| CN110975058B (en) * | 2019-12-19 | 2021-08-10 | 齐鲁理工学院 | Automatically-adjustable analgesia pump and working method |
| CN110898290B (en) * | 2019-12-31 | 2021-07-30 | 山东大学齐鲁医院 | Multifunctional portable infusion device and working method |
| CN113750317A (en) * | 2020-06-01 | 2021-12-07 | 比亚迪股份有限公司 | Portable infusion device and therapeutic apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1537886A1 (en) * | 2003-12-03 | 2005-06-08 | Ethicon Endo-Surgery, Inc. | Air-bubble-monitoring medication assembly, medical system and method |
| CN1743017A (en) * | 2005-09-30 | 2006-03-08 | 深圳市深科医疗器械技术开发有限公司 | Transfusion pump without pump door |
| CN1838972A (en) * | 2003-08-21 | 2006-09-27 | 泰尔茂株式会社 | Transfusion device |
-
2009
- 2009-01-22 CN CN 200910105260 patent/CN101785887B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1838972A (en) * | 2003-08-21 | 2006-09-27 | 泰尔茂株式会社 | Transfusion device |
| EP1537886A1 (en) * | 2003-12-03 | 2005-06-08 | Ethicon Endo-Surgery, Inc. | Air-bubble-monitoring medication assembly, medical system and method |
| CN1743017A (en) * | 2005-09-30 | 2006-03-08 | 深圳市深科医疗器械技术开发有限公司 | Transfusion pump without pump door |
Non-Patent Citations (2)
| Title |
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| JP特開2005-84017A 2005.03.31 |
| JP特開2007-296134A 2007.11.15 |
Also Published As
| Publication number | Publication date |
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| CN101785887A (en) | 2010-07-28 |
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Address after: MINDRAY No. 1203 518000 light production base in Guangdong province Shenzhen Guangming Street South Yu Tong Road No. 2 building, 5 floor Patentee after: Shenzhen MINDRAY Technology Co., Ltd. Address before: 518057 8 buildings 615 Bagua road two, Shenzhen, Guangdong, Futian District Patentee before: Shengke Medical Instrument Technology Development Co., Ltd., Shenzhen City |
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