CN104784780B - The driving device of micro-infusion pump - Google Patents
The driving device of micro-infusion pump Download PDFInfo
- Publication number
- CN104784780B CN104784780B CN201510234661.5A CN201510234661A CN104784780B CN 104784780 B CN104784780 B CN 104784780B CN 201510234661 A CN201510234661 A CN 201510234661A CN 104784780 B CN104784780 B CN 104784780B
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- unit
- mpu
- driving device
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of driving devices of micro-infusion pump, the top of driving device is provided with the connector protective sleeve for connecting infusion device, the outer surface of driving device is provided with display device and key device, and the side of driving device is provided with PCA jack, PCA key and air bubble sensor；MPU unit is provided in driving device, MPU unit includes host MPU unit interconnected and monitoring MPU unit；The input terminal connecting detection unit and clock circuit of host MPU unit, and it is electrically connected connection LCD display unit and keyboard unit, LCD display unit and keyboard unit are connected respectively display device and key device；Host MPU unit is also connected with WatchDog Timer circuit；The output end connection segment alarm output unit and motor switch group of host MPU unit.The driving device of micro-infusion pump provided by the invention improves the warning function and data storage function of micro-infusion pump by designing it modules such as double-chip structure, detection unit and clock circuit.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of driving device of micro-infusion pump.
Background technique
Currently, hospital carries out drug injection in many cases will rely on micro-infusion pump.Micro-injection pump includes driving
Dynamic device and the infusion device two parts to match with driving device, infusion device are disposable, not reproducible use,
And driving device part can Reusability, can normal use in the case where no any failure and false alarm.
But the killer injecting pump of the prior art still has several drawbacks place, is not able to satisfy the demand of people's continuous renewal.For example,
The killer injecting pump alarm mechanism of the prior art is incomplete, when the medical fluid hollow bubble of infusion is excessive, medical fluid interrupts or infusion blocking
When, cannot accurately and timely feedback medical fluid delivery situation, invisible injury may be caused to sufferer；In addition, the prior art
Killer injecting pump lack the function of data storage, in the case where needing to inquire therapeutic process and treatment record, it is accurate to provide
Effective treatment data, especially when handling medical tangle, the injection amount that can be inquired at that time is very important
Link, so needing long-term or even permanent store function.Therefore the present inventor according to present in actual use not
Foot, has carried out further setting to the function of the driving device of killer injecting pump.
Summary of the invention
Brief summary of the present invention is given below, in order to provide the basic reason about certain aspects of the invention
Solution.It should be appreciated that this summary is not an exhaustive overview of the invention.It is not intended to determine key of the invention
Or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides certain concepts in simplified form, with
This is as the preamble in greater detail discussed later.
Of the invention provides a kind of driving device of micro-infusion pump, it is therefore an objective to solve existing killer injecting pump alarming machine
System, the problems such as data storage function is incomplete.
The present invention provides a kind of driving device of micro-infusion pump, the top of the driving device is provided with for connecting
The connector protective sleeve of infusion device, the outer surface of the driving device are provided with display device and key device, the driving dress
The side set is provided with PCA jack, PCA key and air bubble sensor；
MPU unit is provided in the driving device, the MPU unit includes host MPU unit interconnected and prison
Control MPU unit；The input terminal connecting detection unit and clock circuit of the host MPU unit；The host MPU unit electrically connects
LCD display unit and keyboard unit are connect, the LCD display unit and the keyboard unit are connected respectively the display device
With the key device；The host MPU unit is also connected with WatchDog Timer circuit；The output end of the host MPU unit
Connection segment alarm output unit and motor switch group, the WatchDog Timer circuit are connected with the motor switch group.
Compared with prior art, the driving device of micro-infusion pump provided by the invention is mutually supervised by double MPU units
Detection unit and signal transmission interface is arranged in control, in the case where micro-infusion pump breaks down, host MPU unit and
Monitoring MPU unit mutually verifies, and is unlikely to unnecessary output occur, the property of the driving device by improving micro-infusion pump
Can, to improve the stability of micro-infusion pump, troubleshooting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the driving device for the micro-infusion pump that the embodiment of the present invention provides.
Fig. 2 is the circuit block diagram of the driving device for the micro-infusion pump that the embodiment of the present invention provides.
Fig. 3 is the circuit diagram of the monitoring MPU unit of the driving device for the micro-infusion pump that the embodiment of the present invention provides.
Appended drawing reference:
10- connector protective sleeve 11- display device 12- key device
13-PCA jack 14-PCA key 15- air bubble sensor
20- host MPU unit 21- monitors MPU unit
22- clamping not detection unit 23- bubble detection unit 24- jam detection unit in place
25- rotating shaft position detection unit 26- current of electric detection unit
27- motor status detection unit 30- clock circuit 31-LCD display unit
32- keyboard unit 33- WatchDog Timer circuit 34- segmental alarm output unit
One 402- motor switch group two of 40- motor switch group 401- motor switch group
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.It is described in an attached drawing of the invention or a kind of embodiment
Elements and features can be combined with elements and features shown in one or more other attached drawings or embodiment.It should
Note that for purposes of clarity, being omitted in attached drawing and explanation unrelated to the invention, known to persons of ordinary skill in the art
The expression and description of component and processing.Based on the embodiments of the present invention, those of ordinary skill in the art are not paying creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the top setting of driving device is useful the present invention provides a kind of driving device of micro-infusion pump
In the connector protective sleeve 10 of connection infusion device, the outer surface of driving device is provided with display device 11 and key device 12, drives
The side of dynamic device is provided with PCA jack 13, PCA key 14 and air bubble sensor 15；
As shown in Fig. 2, being provided with MPU unit in driving device, MPU unit includes host MPU unit 20 interconnected
With monitoring MPU unit 21；The input terminal connecting detection unit and clock circuit 30 of host MPU unit 20；20 electricity of host MPU unit
Property connection LCD display unit 31 and keyboard unit 32, LCD display unit 31 and keyboard unit 32 are connected respectively display device
11 with key device 12；Host MPU unit 20 is also connected with WatchDog Timer circuit 33；The output end of host MPU unit 20 connects
Segmental alarm output unit 34 and motor switch group 40 are connect, WatchDog Timer circuit 33 is connected with motor switch group 40.
Facilitate driving device to be connected with infusion device by the way that connector protective sleeve 10 is arranged on the drive means, facilitates driving
Device is able to Reusability.By the way that double MPU units are arranged, i.e., the hardware protection and segmental alarm being related to using dual chip are exported
Equal anti-misoperations guarantee is prevented because of mechanical disorder, setting mistake or the harm of maloperation bring.
Optionally, detection unit includes clamping not detection unit 22, bubble detection unit 23, jam detection unit in place
24, rotating shaft position detection unit 25 and current of electric detection unit 26, clock circuit 30 are specially real time clock circuit.Pass through
Setting detection unit sends the detected signal to host MPU unit 20, and host MPU unit 20 is sentenced according to the signal received
The working condition of disconnected pump, such as bubble detection unit 23 transmit signal to host MPU unit 20, and host MPU unit 20 is according to letter
Number judge to transmit in the micro-infusion pump is bubble or gas；For another example jam detection unit 24 is passed to host MPU unit 20
Defeated signal, host MPU unit 20 judge whether the working condition of the micro-infusion pump blocks according to signal.Pass through setting clock electricity
Road 30 may be implemented to monitor in real time；Furthermore in case of a failure, record queries can be carried out according to the time.
Optionally, motor switch group 40 includes sequentially connected motor switch group 1, motor switch group 2 402, motor
Switching group 40 is connected with motor status detection unit 27, motor status detection unit 27 and host MPU unit 20, monitoring MPU
Unit 21 is all connected with.
Optionally, the input terminal of motor switch group 1 is also connected with monitoring MPU unit 21.By host MPU unit 20 with
Monitoring MPU unit 21 is mutually monitored, and is controlled motor switch group 40, to control whether output electric current, works as appearance
When failure, stop the output of current of electric, avoids exporting unnecessary signal.
Optionally, monitoring MPU unit 21 includes monitoring MPU chip and monitoring MPU peripheral circuit；Monitoring MPU chip passes through
Its interface is connected with monitoring MPU peripheral circuit, to control monitoring MPU peripheral circuit.
Optionally, monitoring MPU chip model is ATMEG32L.The chip includes multiple interfaces, such as: PD4/OCB1 connects
Mouth, PD3/INT1 interface, PD2/INT0 interface etc..
As shown in figure 3, the model ATMEG32L of monitoring MPU chip comprising: interface PD4/OCB1, interface PD3/
INT1, interface PD2/INT0, interface PD4/OCB1, interface PD3/INT1, interface PD2/INT0 are corresponding in turn to outside connection host MPU
The interface TX1, interface TX3, interface TX2 for enclosing circuit are used for transmission the alarm signal of detection unit transmission.As shown in table 1, upper
Machine by interface TX1, interface TX2, interface TX3 pass down the information content that digital simulation measures include it is standby/stop, operation,
Exhaust, initial dose etc.；As shown in table 2, slave computer is obtained by interface TX1, interface TX2, interface TX3 upload digital analog quantity
Information include standby, bubble warning message, blocking warning message, motor operating time-out information, motor no current information etc..
Table 1
| TX1 | TX2 | TX3 | The information content |
| 1 | 1 | 1 | It is standby/to stop |
| 1 | 0 | 0 | Operation |
| 1 | 0 | 1 | Exhaust |
| 1 | 1 | 0 | Initial dose |
| 0 | 1 | 1 | PCA |
| 0 | 0 | 1 | Calibration |
| 0 | 1 | 0 |
Table 2
| TX1 | TX2 | TX3 | The information content |
| 1 | 1 | 1 | It is standby |
| 1 | 0 | 0 | Bubble warning message |
| 1 | 0 | 1 | Block warning message |
| 1 | 1 | 0 | Motor operates time-out information |
| 0 | 1 | 1 | Motor no current information |
| 0 | 0 | 1 | Motor switch short circuit information |
| 0 | 1 | 0 | Position switch (without medicine box) |
| 0 | 0 | 0 | 1 end cycle |
As shown in figure 3, the driving device of micro-infusion pump proposed by the present invention will test list by the way that double MPU circuits are arranged
The signal that member detects is transferred to host MPU unit 20, while mono- 20 yuan of host MPU transmit a signal to monitoring MPU unit 21,
Whether the signal of monitoring 21 judging-driving unit of MPU unit exports, by between host MPU unit 20 and monitoring MPU unit 21
The phase mutual feedback of signal, controls the operating of motor, so that the driving device of micro-infusion pump provided by the invention be avoided to issue
Unnecessary output is made in the case where failure.
Finally, it should be noted that although the present invention and its advantage have been described in detail above it should be appreciated that not
Can be carried out in the case where beyond the spirit and scope of the present invention being defined by the claims appended hereto various changes, substitution and
Transformation.Moreover, the scope of the present invention is not limited only to the specific reality of process, equipment described in specification, means, method and steps
Apply example.One of ordinary skilled in the art holds from the disclosure it will be readily understood that can be used according to the present invention
The row function essentially identical to corresponding embodiment described herein obtains the result essentially identical with it, existing and future
Process, equipment, means, method or step to be developed.Therefore, the attached claims are intended to wrap in the range of them
Include such process, equipment, means, method or step.
Claims (5)
1. a kind of driving device of micro-infusion pump, which is characterized in that the top of the driving device is provided with defeated for connecting
The connector protective sleeve of liquid device, the outer surface of the driving device are provided with display device and key device, the driving device
Side be provided with PCA jack, PCA key and air bubble sensor；
MPU unit is provided in the driving device, the MPU unit includes host MPU unit interconnected and monitoring MPU
Unit；The input terminal connecting detection unit and clock circuit of the host MPU unit；The host MPU unit is electrically connected LCD
Display unit and keyboard unit, the LCD display unit and the keyboard unit are connected respectively the display device and institute
State key device；The host MPU unit is also connected with WatchDog Timer circuit；The output end of the host MPU unit connects
Segmental alarm output unit and motor switch group, the WatchDog Timer circuit are connected with the motor switch group；
The detection unit includes clamping not detection unit, bubble detection unit, jam detection unit, rotating shaft position detection in place
Unit and current of electric detection unit, the clock circuit are specially real time clock circuit；
The motor switch group includes sequentially connected motor switch group one, motor switch group two, the motor switch group one
Input terminal is connected with the output end of the host MPU unit, the WatchDog Timer circuit respectively, the motor switch group two
It is connected with motor status detection unit, the motor status detection unit and the host MPU unit, the monitoring MPU are mono-
Member is all connected with；
The input terminal of the motor switch group one is also connected with monitoring MPU unit.
2. the driving device of micro-infusion pump according to claim 1, which is characterized in that the key device is equipped with and opens
Key, only ring/exhausting key, operation/stop key, confirmation/manipulated key and parameter setting key.
3. the driving device of micro-infusion pump according to claim 1, which is characterized in that the monitoring MPU unit includes
Monitor MPU chip and monitoring MPU peripheral circuit；The monitoring MPU chip is connected by its interface with monitoring MPU peripheral circuit,
To control the monitoring MPU peripheral circuit.
4. the driving device of micro-infusion pump according to claim 3, which is characterized in that the monitoring MPU chip includes:
PD4/OCB1 interface, PD3/INT1 interface, PD2/INT0 interface, it is the PD4/OCB1 interface, the PD3/INT1 interface, described
PD2/INT0 interface is corresponding in turn in TX1 interface, TX3 interface, the TX2 interface of the monitoring MPU peripheral circuit, to transmit inspection
Survey the alarm signal of unit transmission.
5. the driving device of micro-infusion pump according to claim 4, which is characterized in that the type of the monitoring MPU chip
Number be ATMEG32L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234661.5A CN104784780B (en) | 2015-05-08 | 2015-05-08 | The driving device of micro-infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234661.5A CN104784780B (en) | 2015-05-08 | 2015-05-08 | The driving device of micro-infusion pump |
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| Publication Number | Publication Date |
|---|---|
| CN104784780A CN104784780A (en) | 2015-07-22 |
| CN104784780B true CN104784780B (en) | 2018-12-11 |
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| CN201510234661.5A Active CN104784780B (en) | 2015-05-08 | 2015-05-08 | The driving device of micro-infusion pump |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730128B (en) * | 2016-12-01 | 2020-02-28 | 南通安诺医疗科技有限公司 | Safe medicine injection pump with displacement pressure detection function |
| CN107115575B (en) * | 2017-04-20 | 2020-11-17 | 深圳麦科田生物医疗技术有限公司 | Infusion system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2429191Y (en) * | 2000-06-09 | 2001-05-09 | 江苏新象股份有限公司 | Automatic infusion pump for micro-medicaments |
| CN2669872Y (en) * | 2003-11-21 | 2005-01-12 | 王勤 | Insulin pump |
| CN203235087U (en) * | 2012-12-06 | 2013-10-16 | 王刚 | Fully-automatic two-channel infusion pump |
| CN203447580U (en) * | 2013-08-19 | 2014-02-26 | 广州华玺医疗科技有限公司 | High-precision infusion pump |
| CN103933632A (en) * | 2014-05-12 | 2014-07-23 | 李扬 | Full-automatic medicine infusion pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202777281U (en) * | 2012-09-12 | 2013-03-13 | 江苏荣业科技有限公司 | Wireless auto-control electronic infusion pump |
-
2015
- 2015-05-08 CN CN201510234661.5A patent/CN104784780B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2429191Y (en) * | 2000-06-09 | 2001-05-09 | 江苏新象股份有限公司 | Automatic infusion pump for micro-medicaments |
| CN2669872Y (en) * | 2003-11-21 | 2005-01-12 | 王勤 | Insulin pump |
| CN203235087U (en) * | 2012-12-06 | 2013-10-16 | 王刚 | Fully-automatic two-channel infusion pump |
| CN203447580U (en) * | 2013-08-19 | 2014-02-26 | 广州华玺医疗科技有限公司 | High-precision infusion pump |
| CN103933632A (en) * | 2014-05-12 | 2014-07-23 | 李扬 | Full-automatic medicine infusion pump |
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| Publication number | Publication date |
|---|---|
| CN104784780A (en) | 2015-07-22 |
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Address after: 226600 16 Garden Road, Haian Industrial Park, Haian, Nantong, Jiangsu Applicant after: JIANGSU SANHE BIOENGINEERING ENGINEERING CO., LTD. Address before: 226600 16 Garden Road, Haian Industrial Park, Haian, Nantong, Jiangsu Applicant before: NANTONG SANHE BIOLOGICAL ENGINEERING CO., LTD. |
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