CN107126591A - Dual chamber infusion pump and infusion device based on piezoelectricity - Google Patents
Dual chamber infusion pump and infusion device based on piezoelectricity Download PDFInfo
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- CN107126591A CN107126591A CN201710250915.1A CN201710250915A CN107126591A CN 107126591 A CN107126591 A CN 107126591A CN 201710250915 A CN201710250915 A CN 201710250915A CN 107126591 A CN107126591 A CN 107126591A
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- cavity
- piezoelectric vibrator
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- valve
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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
-
- 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
- A61M5/14—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
- A61M5/16854—Monitoring, detecting, signalling or eliminating infusion flow anomalies by monitoring line pressure
- A61M5/16859—Evaluation of pressure response, e.g. to an applied pulse
-
- 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
- A61M2005/16863—Occlusion detection
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
Landscapes
- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention relates to a kind of dual chamber infusion device based on piezoelectricity, first cavity connects the inlet, second cavity connects the liquid outlet, first cavity is connected with second cavity, the Piezoelectric Driving module connects first piezoelectric vibrator and the second piezoelectric vibrator, described control unit controls the first piezoelectric vibrator described in the Piezoelectric Driving module drive and the vibration of the second piezoelectric vibrator, and the first cavity described in the vibration control of first piezoelectric vibrator and the second piezoelectric vibrator and second cavity extension and compression are so as to complete feed liquor and go out liquid.The accurate intelligent control that the present invention is infused using piezoelectric vibrator, Piezoelectric Driving module and control unit, simultaneously, build the double piezoelectric vibrators of dual chamber and carry out transfusion control, substantially increase the anti-electromagnetic interference capability of infusion device, reduce its energy consumption, further increase its infusion control accuracy.
Description
Technical field
The present invention relates to a kind of infusion pump and infusion device, more particularly to a kind of dual chamber infusion pump based on piezoelectricity and defeated
Liquid device.
Background technology
Infusion pump has been generally applicable to clinical treatment, at home wide hair in anesthesia, analgesia, antibiotic therapy, swollen
Knurl chemotherapy, cardiovascular and cerebrovascular diseases, hypertension, the treatment of diabetes.The application of infusion pump, the patient for reducing treatment controls
Risk is treated, the workload of nursing staff is reduced, traditional infusion methods greatly reduces in severe case's therapeutic process
The administration risk of middle generation.
Medicine equipment quality safety is the most important thing of hospital management, it is desirable to have a kind of high-performance, it is intelligentized from
Dynamic infusion device.Intelligent infusion pump has the advantages that Conventional gravity infusion is incomparable, and it accurately can measure and control infusion
Speed, infusion amount streamline is good, abnormal to bubble, obstruction, leakage blood etc. can detect, and with warning function and automatically cut off
It is transfused path.The safety of patient is ensure that, the generation of malpractice is reduced.
The content of the invention
Present invention solves the technical problem that being：A kind of dual chamber infusion pump and infusion device based on piezoelectricity are built, is overcome
Prior art, which is infused, is inconvenient to carry out the technical problem of intelligent control.
The technical scheme is that：A kind of dual chamber infusion pump based on piezoelectricity is built, including：Inlet, liquid outlet,
Accommodate the first cavity of liquid, accommodate the second cavity, the first piezoelectric vibrator, the second piezoelectric vibrator of liquid, first cavity
The inlet is connected, second cavity connects the liquid outlet, and first cavity is connected with second cavity, described
First cavity includes the first liquid feed valve, and first liquid feed valve connects the inlet, and second cavity includes liquid valve, institute
State liquid valve and connect the liquid outlet, at least one end face of first cavity is elastic terminal surface, and second cavity is extremely
A few end face is elastic terminal surface, and first piezoelectric vibrator is arranged on the elastic terminal surface of first cavity, described second
Piezoelectric vibrator is arranged on the elastic terminal surface of second cavity, and first piezoelectric vibrator and second piezoelectric vibrator shake
The dynamic extension and compression for controlling first cavity and second cavity is so as to complete feed liquor and go out liquid.
The present invention further technical scheme be：First liquid feed valve and the liquid valve are one-way cock.
The present invention further technical scheme be：Second cavity also includes the second liquid feed valve, second liquid feed valve
For one-way cock.
The present invention further technical scheme be：First piezoelectric vibrator and second piezoelectric vibrator shake in turn
It is dynamic.
The present invention further technical scheme be：First liquid feed valve, second liquid feed valve and the liquid valve
For ligulate valve.
The technical scheme is that：A kind of dual chamber infusion device based on piezoelectricity is built, including：Inlet, go out liquid
Mouth, the first cavity for accommodating liquid, the second cavity, the first piezoelectric vibrator, the second piezoelectric vibrator, the Piezoelectric Driving mould for accommodating liquid
Block, control unit, first cavity connect the inlet, and second cavity connects the liquid outlet, first chamber
Body is connected with second cavity, and first cavity includes the first liquid feed valve, and first liquid feed valve connects the inlet,
Second cavity includes liquid valve, and the liquid valve connects the liquid outlet, and at least one end face of first cavity is
Elastic terminal surface, at least one end face of second cavity is elastic terminal surface, and first piezoelectric vibrator is arranged on described first
On the elastic terminal surface of cavity, second piezoelectric vibrator is arranged on the elastic terminal surface of second cavity, the Piezoelectric Driving
Module connects first piezoelectric vibrator and the second piezoelectric vibrator, and described control unit controls the Piezoelectric Driving module drive institute
State the first piezoelectric vibrator and the second piezoelectric vibrator vibrates, described in the vibration control of first piezoelectric vibrator and the second piezoelectric vibrator
First cavity and second cavity extension and compression are so as to complete feed liquor and go out liquid.
The present invention further technical scheme be：Also include monitoring modular, the monitoring module monitors transfusion working condition.
The present invention further technical scheme be：Also include alarm module, the alarm module is when transfusion state is abnormal
Alarm.
The present invention further technical scheme be：Also include the input module of input infusion parameter, the input module connects
Connect the control module.
The present invention further technical scheme be：Also include the display module of display infusion parameter, the display module connects
Connect the control module.
The solution have the advantages that：A kind of dual chamber infusion pump and infusion device based on piezoelectricity are built, including：Feed liquor
Mouth, liquid outlet, the first cavity for accommodating liquid, the second cavity for accommodating liquid, the first piezoelectric vibrator, the second piezoelectric vibrator, pressure
Electric drive module, control unit, first cavity connect the inlet, and second cavity connects the liquid outlet, institute
State the first cavity to connect with second cavity, first cavity includes the first liquid feed valve, first liquid feed valve connects institute
Inlet is stated, second cavity includes liquid valve, and the liquid valve connects the liquid outlet, at least the one of first cavity
Individual end face is elastic terminal surface, and at least one end face of second cavity is elastic terminal surface, and first piezoelectric vibrator is arranged on
On the elastic terminal surface of first cavity, second piezoelectric vibrator is arranged on the elastic terminal surface of second cavity, described
Piezoelectric Driving module connects first piezoelectric vibrator and the second piezoelectric vibrator, and described control unit controls the Piezoelectric Driving mould
Block drives first piezoelectric vibrator and the vibration of the second piezoelectric vibrator, the vibration of first piezoelectric vibrator and the second piezoelectric vibrator
Control first cavity and second cavity to extend and compress to complete feed liquor and go out liquid.The present invention is shaken using piezoelectricity
The accurate intelligent control that son, Piezoelectric Driving module and control unit are infused, meanwhile, build the double piezoelectric vibrators of dual chamber and enter
Row transfusion control, substantially increases the anti-electromagnetic interference capability of infusion device, reduces its energy consumption, further increases its infusion
Control accuracy.
Brief description of the drawings
Fig. 1 is dual chamber syringe structure schematic diagram of the invention.
Fig. 2 is dual chamber infusion device structural representation of the invention.
Embodiment
With reference to specific embodiment, technical solution of the present invention is further illustrated.
As shown in figure 1, the embodiment of the present invention is：A kind of dual chamber infusion pump based on piezoelectricity is built, including：
Inlet 1, liquid outlet 2, the first cavity 3 for accommodating liquid, the second cavity 4 for accommodating liquid, the first piezoelectric vibrator 5, second pressure
Electric tachometer indicator 6, first cavity 3 connects the inlet 1, and second cavity 4 connects the liquid outlet 2, first chamber
Body 3 is connected with second cavity 4, and first cavity 3 includes the first liquid feed valve 31, and first liquid feed valve 31 connects described
Inlet 1, second cavity 4 includes liquid valve 41, and the liquid valve 41 connects the liquid outlet 2, first cavity 3
At least one end face is elastic terminal surface, and at least one end face of second cavity 4 is elastic terminal surface, first piezoelectric vibrator
5 are arranged on the elastic terminal surface of first cavity 3, and second piezoelectric vibrator 6 is arranged on the elastic tip of second cavity 4
On face, the first cavity 3 described in the vibration control of first piezoelectric vibrator 5 and second piezoelectric vibrator 6 and second chamber
The extension and compression of body 4 are so as to complete feed liquor and go out liquid.
As shown in figure 1, the specific implementation process of the present invention is：First piezoelectric vibrator 5 is produced in the presence of alternating voltage
The change of volume and pressure that flexural deformation is formed in first cavity 3 is so as to realize the one-way flow of fluid.Second piezoelectricity
Oscillator 6 in the presence of alternating voltage, produce the change of volume and pressure that flexural deformation formed in second cavity 4 so as to
Realize the one-way flow of fluid.Detailed process is：When the first piezoelectric vibrator 5 is bent outwardly deformation under the driving of voltage, institute
State in the first cavity 3 and produce certain vacuum, promote first liquid feed valve 31 to open, the liquid valve 41 is closed, by liquid
Body is sucked in first cavity 3.Meanwhile, when the second piezoelectric vibrator 6 is bent outwardly deformation under the driving of voltage, described
Certain vacuum is produced in two cavitys 4, the liquid valve 41 is closed, by the liquid suction in first cavity 3 described the
In two cavitys 4.When the first 5 inwardly motion of piezoelectric vibrator, first liquid feed valve 7 is closed, the liquid in first cavity 3
Flow to second cavity 4.Meanwhile, when second piezoelectric vibrator 6 is inwardly moved, first liquid feed valve 7 is closed, and described the
Two piezoelectric vibrators 6 promote fluid to open the liquid valve 41, are outwards exported from the liquid outlet 2.It is described in specific embodiment
First liquid feed valve 31 and the liquid valve 41 are one-way cock, and one-way cock ensures the one-way flow of liquid.
As shown in figure 1, the preferred embodiment of the present invention is：Second cavity 4 also includes the second liquid feed valve 42, described
Second liquid feed valve 42 is one-way cock.During work, when the first piezoelectric vibrator 5 is bent outwardly deformation under the driving of voltage, institute
State in the first cavity 3 and produce certain vacuum, promote first liquid feed valve 31 to open, second liquid feed valve 42 is closed,
Draw liquid into first cavity 3.Meanwhile, when second piezoelectric vibrator 6 is inwardly moved, second liquid feed valve 42 is closed
Close, second piezoelectric vibrator 6 promotes fluid to open the liquid valve 41, outwards exported from the liquid outlet 2.When the first pressure
When electric tachometer indicator 5 is inwardly moved, first liquid feed valve 7 is closed, and second liquid feed valve 42 is opened, in first cavity 3
Liquid flows to second cavity 4.Meanwhile, when the second piezoelectric vibrator 6 is bent outwardly deformation under the driving of voltage, described
Certain vacuum is produced in two cavitys 4, second liquid feed valve 42 is opened, and the liquid valve 41 is closed, by first chamber
Liquid in body 3 is sucked in second cavity 4.
As shown in figure 1, the preferred embodiment of the present invention is：First piezoelectric vibrator 5 and second piezoelectric vibrator 6
Vibration in turn.
As shown in figure 1, the preferred embodiment of the present invention is：First liquid feed valve 31, second liquid feed valve 42 with
And the liquid valve 41 is ligulate valve.Ligulate valve is easy to control, facilitates liquid to flow.
As shown in figure 1, the embodiment of the present invention is：Build a kind of dual chamber infusion device based on piezoelectricity, bag
Include：Inlet 1, liquid outlet 2, the first cavity 3 for accommodating liquid, the second cavity 4, the first piezoelectric vibrator 5, second for accommodating liquid
Piezoelectric vibrator 6, Piezoelectric Driving module 7, control unit 8, first cavity 3 connect the inlet 1, second cavity 4
The liquid outlet 2 is connected, first cavity 3 is connected with second cavity 4, first cavity 3 includes the first liquid feed valve
31, first liquid feed valve 31 connects the inlet 1, and second cavity 4 includes liquid valve 41, and the liquid valve 41 is connected
The liquid outlet 2, at least one end face of first cavity 3 is elastic terminal surface, at least one end face of second cavity 4
For elastic terminal surface, first piezoelectric vibrator 5 is arranged on the elastic terminal surface of first cavity 3, second piezoelectric vibrator 6
On the elastic terminal surface for being arranged on second cavity 4, the Piezoelectric Driving module 7 connects first piezoelectric vibrator 5 and second
Piezoelectric vibrator 6, described control unit 8 controls the Piezoelectric Driving module 7 to drive the piezoelectricity of the first piezoelectric vibrator 5 and second to shake
Son 6 vibrates, the first cavity 3 and described second described in the vibration control of first piezoelectric vibrator 5 and second piezoelectric vibrator 6
The extension and compression of cavity 4 are so as to complete feed liquor and go out liquid.
As shown in figure 1, the specific implementation process of the present invention is：First piezoelectric vibrator 5 is produced in the presence of alternating voltage
The change of volume and pressure that flexural deformation is formed in first cavity 3 is so as to realize the one-way flow of fluid.Second piezoelectricity
Oscillator 6 in the presence of alternating voltage, produce the change of volume and pressure that flexural deformation formed in second cavity 4 so as to
Realize the one-way flow of fluid.Detailed process is：When the first piezoelectric vibrator 5 is bent outwardly deformation under the driving of voltage, institute
State in the first cavity 3 and produce certain vacuum, promote first liquid feed valve 31 to open, the liquid valve 41 is closed, by liquid
Body is sucked in first cavity 3.Meanwhile, when the second piezoelectric vibrator 6 is bent outwardly deformation under the driving of voltage, described
Certain vacuum is produced in two cavitys 4, the liquid valve 41 is closed, by the liquid suction in first cavity 3 described the
In two cavitys 4.When the first 5 inwardly motion of piezoelectric vibrator, first liquid feed valve 7 is closed, the liquid in first cavity 3
Flow to second cavity 4.Meanwhile, when second piezoelectric vibrator 6 is inwardly moved, first liquid feed valve 7 is closed, and described the
Two piezoelectric vibrators 6 promote fluid to open the liquid valve 41, are outwards exported from the liquid outlet 2.The Piezoelectric Driving module 7
The piezoelectric vibrator 6 of the first piezoelectric vibrator 5 and second is connected, described control unit 8 controls the driving of Piezoelectric Driving module 7 institute
State the first piezoelectric vibrator 5 and the second piezoelectric vibrator 6 vibrates, the vibration of first piezoelectric vibrator 5 and second piezoelectric vibrator 6
The compression and extension of first cavity 3 and second cavity 4 is controlled to complete feed liquor and go out liquid.In specific embodiment,
First liquid feed valve 31 and the liquid valve 41 are one-way cock, and one-way cock ensures the one-way flow of liquid.
As shown in Figure 1 and Figure 2, in addition to monitoring modular 9, the monitoring transfusion working condition of monitoring modular 9.Monitoring modular 9
Include the pressure inside the pressure sensor of signal piping blocked state, pressure sensor sense line, if pressure exceedes setting
Value, then be judged as pipe blocking state.The monitoring modular 9 also includes time alarm module, and time alarm module is by determining
Infusion Time can determine transfusion time, including remind infusion will finish or infused information.The monitoring mould
Block 9 also includes monitoring cell electricity quantity module, and then the charge condition of monitoring cell electricity quantity module monitors battery carries out electricity and use
The display of situation and information alert.The monitoring modular 9 also includes system monitoring module, is reminded in system fault.
Also include alarm module 10, the alarm module is in the abnormal alarm of transfusion state.Also include output infusion parameters, the infusion
Parameter includes infusion liquid total amount, infusion liquid flow velocity, liquid Infusion Time, infusion liquid remaining time, infusion abnormality
One kind in prompt message, battery electric quantity prompt message, network state information, infusion liquid type, liquid infusion flow-rate list
Or it is a variety of.
As shown in figure 1, the preferred embodiment of the present invention is：Also include the input module 11 of input infusion parameter, it is described
Input module 11 connects described control unit 8.Also include the display module 12 of display infusion parameter, the display module 12 is connected
Described control unit 8.
The solution have the advantages that：A kind of dual chamber infusion device based on piezoelectricity is built, including：Inlet 1, go out liquid
Mouth 2, the first cavity 3 for accommodating liquid, the second cavity 4, the first piezoelectric vibrator 5, the second piezoelectric vibrator 6, the piezoelectricity for accommodating liquid
Drive module 7, control unit 8, first cavity 3 connect the inlet 1, and second cavity 4 connects the liquid outlet
2, first cavity 3 is connected with second cavity 4, and first cavity 3 includes the first liquid feed valve 31, first feed liquor
Valve 31 connects the inlet 1, and second cavity 4 includes liquid valve 41, and the liquid valve 41 connects the liquid outlet 2, institute
At least one end face for stating the first cavity 3 is elastic terminal surface, and at least one end face of second cavity 4 is elastic terminal surface, institute
State the first piezoelectric vibrator 5 to be arranged on the elastic terminal surface of first cavity 3, second piezoelectric vibrator 6 is arranged on described
On the elastic terminal surface of two cavitys 4, the Piezoelectric Driving module 7 connects the piezoelectric vibrator 6 of the first piezoelectric vibrator 5 and second, institute
Stating control unit 8 controls the Piezoelectric Driving module 7 to drive the piezoelectric vibrator 6 of the first piezoelectric vibrator 5 and second to vibrate, described
The extension of first cavity 3 and second cavity 4 described in the vibration control of first piezoelectric vibrator 5 and second piezoelectric vibrator 6
With compression so as to complete feed liquor and go out liquid.The present invention is carried out using piezoelectric vibrator, cavity, Piezoelectric Driving module and control unit
The accurate intelligent control of transfusion, meanwhile, build the double piezoelectric vibrators of dual chamber and carry out transfusion control, substantially increase infusion device
Anti-electromagnetic interference capability, reduce its energy consumption, further increase its be transfused control accuracy.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of dual chamber infusion pump based on piezoelectricity, it is characterised in that including：Inlet, liquid outlet, accommodate liquid first
Cavity, the second cavity, the first piezoelectric vibrator, the second piezoelectric vibrator for accommodating liquid, first cavity connect the inlet,
Second cavity connects the liquid outlet, and first cavity connect with second cavity, and first cavity includes the
One liquid feed valve, first liquid feed valve connects the inlet, and second cavity includes liquid valve, and the liquid valve connects institute
Liquid outlet is stated, at least one end face of first cavity is elastic terminal surface, and at least one end face of second cavity is bullet
Property end face, first piezoelectric vibrator is arranged on the elastic terminal surface of first cavity, and second piezoelectric vibrator is arranged on
On the elastic terminal surface of second cavity, first described in the vibration control of first piezoelectric vibrator and second piezoelectric vibrator
The extension and compression of cavity and second cavity are so as to complete feed liquor and go out liquid.
2. the dual chamber infusion pump based on piezoelectricity according to claim 1, it is characterised in that first liquid feed valve and described
Liquid valve is one-way cock.
3. the dual chamber infusion pump based on piezoelectricity according to claim 1, it is characterised in that second cavity also includes the
Two liquid feed valves, second liquid feed valve is one-way cock.
4. the dual chamber infusion pump based on piezoelectricity according to claim 1, it is characterised in that first piezoelectric vibrator and institute
State the vibration in turn of the second piezoelectric vibrator.
5. the dual chamber infusion pump based on piezoelectricity according to claim 1, it is characterised in that first liquid feed valve, described
Second liquid feed valve and the liquid valve are ligulate valve.
6. a kind of dual chamber infusion device based on piezoelectricity, it is characterised in that including：Inlet, liquid outlet, accommodate liquid the
One cavity, the second cavity for accommodating liquid, the first piezoelectric vibrator, the second piezoelectric vibrator, Piezoelectric Driving module, control unit, institute
State the first cavity and connect the inlet, second cavity connects the liquid outlet, first cavity and second chamber
Body is connected, and first cavity includes the first liquid feed valve, and first liquid feed valve connects the inlet, the second cavity bag
Include liquid valve, the liquid valve connects the liquid outlet, and at least one end face of first cavity is elastic terminal surface, described the
At least one end face of two cavitys is elastic terminal surface, and first piezoelectric vibrator is arranged on the elastic terminal surface of first cavity
On, second piezoelectric vibrator is arranged on the elastic terminal surface of second cavity, Piezoelectric Driving module connection described the
One piezoelectric vibrator and the second piezoelectric vibrator, described control unit control the first piezoelectric vibrator described in the Piezoelectric Driving module drive
With the vibration of the second piezoelectric vibrator, the first cavity described in the vibration control of first piezoelectric vibrator and the second piezoelectric vibrator and described
Second cavity extends and compression is so as to complete feed liquor and go out liquid.
7. the dual chamber infusion device based on piezoelectricity according to claim 6, it is characterised in that also including monitoring modular, institute
State monitoring module monitors transfusion working condition.
8. the dual chamber infusion device based on piezoelectricity according to claim 7, it is characterised in that also including alarm module, institute
Alarm module is stated in the abnormal alarm of transfusion state.
9. the dual chamber infusion device based on piezoelectricity according to claim 6, it is characterised in that also including input infusion parameter
Input module, the input module connects the control module.
10. the dual chamber infusion device based on piezoelectricity according to claim 6, it is characterised in that also including display transfusion ginseng
Several display modules, the display module connects the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250915.1A CN107126591A (en) | 2017-04-17 | 2017-04-17 | Dual chamber infusion pump and infusion device based on piezoelectricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250915.1A CN107126591A (en) | 2017-04-17 | 2017-04-17 | Dual chamber infusion pump and infusion device based on piezoelectricity |
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| CN107126591A true CN107126591A (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710250915.1A Pending CN107126591A (en) | 2017-04-17 | 2017-04-17 | Dual chamber infusion pump and infusion device based on piezoelectricity |
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|---|---|---|---|---|
| CN108096664A (en) * | 2017-12-25 | 2018-06-01 | 浙江师范大学 | A kind of new separable piezoelectricity medical infusion pump |
| CN108096664B (en) * | 2017-12-25 | 2024-01-26 | 浙江师范大学 | Novel separable piezoelectric medical infusion pump |
| CN112587753A (en) * | 2020-12-29 | 2021-04-02 | 无锡顶点医疗器械有限公司 | Power device |
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