CN106823021A - Negative pressure drainage regulator, system and its control method including the device - Google Patents
Negative pressure drainage regulator, system and its control method including the device Download PDFInfo
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- CN106823021A CN106823021A CN201510882015.XA CN201510882015A CN106823021A CN 106823021 A CN106823021 A CN 106823021A CN 201510882015 A CN201510882015 A CN 201510882015A CN 106823021 A CN106823021 A CN 106823021A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000033228 biological regulation Effects 0.000 claims abstract description 33
- 241000521257 Hydrops Species 0.000 claims abstract description 30
- 206010030113 Oedema Diseases 0.000 claims abstract description 30
- 230000006641 stabilisation Effects 0.000 claims description 11
- 238000011105 stabilization Methods 0.000 claims description 11
- 208000027418 Wounds and injury Diseases 0.000 description 16
- 206010052428 Wound Diseases 0.000 description 15
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 230000029663 wound healing Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009581 negative-pressure wound therapy Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000252254 Catostomidae Species 0.000 description 1
- 241000269400 Sirenidae Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 230000003828 downregulation Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention provides the negative pressure drainage regulator at a kind of drainage tube being arranged between negative pressure source and hydrops tank.The negative pressure drainage regulator includes：Pressure sensor, for sensing and feeds back the pressure value of the gas that hydrops tank is flowed in drainage tube；And, valve module, for being selected to the switching between continuous constant pressure pattern and interruption pressure regulation pattern according to user.The valve module includes：Mechanical pressure regulator valve, is arranged on drainage tube near negative pressure source, for presetting a safety negative-pressure value；First magnetic valve, is arranged on drainage tube near hydrops tank side, and the pressure value for being fed back according to pressure sensor realizes the lower negative pressure state in drainage tube in break-make mode；And, the second magnetic valve is arranged on drainage tube near hydrops tank side, and the pressure value for being fed back according to pressure sensor realizes the high negative pressure state in drainage tube in break-make mode.Present invention also offers negative pressure drainage voltage-regulating system and its control method including aforementioned means.
Description
Technical field
Recover therapy apparatus field, more particularly to a kind of negative pressure drainage pressure regulation the present invention relates to negative pressure wound
Device, a kind of negative pressure drainage treatment system and a kind of controlling party for the system including the device
Method.
Background technology
Negative pressure wound recovers therapy (Negative Pressure Wound Therapy, abbreviation NPWT)
It is recent two decades the novel therapies of a kind of acceleration wound healing that rise, and has been widely used in one
The treatment of the intractable wound of series, including acute, chronic, infected wound.It can improve the surface of a wound
Healing rate, reduction bacteria planting and breeding, can drop at least the number of times of more change dressings.But, it is real
In trampling, in the therapeutic process of patient wound, when generally starting, the wound condition of the injury is more serious, required
Negative pressure it is higher, and arrived the treatment later stage, wound gradually heals, it is not necessary to larger negative pressure.Also
It is to say, over the course for the treatment of, the demand to negative pressure value height is change；And if phase after the treatment
Continue if offer high negative pressure, side effect can be produced to the healing of wound, influence wound healing.
The content of the invention
It is contemplated that overcome or mitigate above-mentioned existing making at least one or more present in technology
Technical problem.
At least one purpose of the invention is to provide negative in a kind for the treatment of system for negative pressure drainage
Pressure drainage regulator, the device has two kinds of mode of operations of constant pressure and discontinuous pressure regulation, and uses
Semiautomatic control mode, to adapt to different medical schemes, is conducive to the rehabilitation of patient.
It is another object of the present invention to provide a kind of negative with aforementioned negative pressure drainage regulator
Pressure drainage treatment system.
A further object of the present invention is to provide a kind of negative with aforementioned negative pressure drainage regulator
Press the control method of drainage treatment system.
According to the first aspect of the invention, there is provided a kind of negative pressure drainage regulator, the device is set
Put at the drainage tube between negative pressure source and hydrops tank, also, the negative pressure drainage regulator includes：
Pressure sensor, is arranged on drainage tube and for sensing and to feed back and flow to hydrops in drainage tube
The pressure value of the gas of tank；And
Valve module, valve module is used for being selected in continuous constant pressure pattern and interruption pressure regulation according to user
Switch between pattern, wherein the pressure value in drainage tube under continuous constant pressure pattern keeps continuous constant,
And it is being interrupted high negative pressure value and lower negative pressure of the pressure value under pressure regulation pattern in drainage tube in the scheduled time
Circulated between value, wherein valve module includes：
Mechanical pressure regulator valve, is arranged on drainage tube near negative pressure source, for presetting a safety
Negative pressure value；
First magnetic valve, is arranged on drainage tube near hydrops tank side, for according to pressure sensor
The pressure value of feedback realizes the lower negative pressure state in drainage tube in break-make mode；And
Second magnetic valve, is arranged on drainage tube near hydrops tank side, for according to pressure sensor
The pressure value of feedback realizes the high negative pressure state in drainage tube in break-make mode.
Preferably, the first magnetic valve is arranged between mechanical pressure regulator valve and the pressure sensor on drainage tube；
And the second magnetic valve is arranged between the first magnetic valve and the pressure sensor on drainage tube, and with break-make
Mode determines whether drainage tube connects with outside air.
Foregoing negative pressure drainage regulator, in the case where continuous constant pressure pattern is switched to, is based on
Constant pressure value and the pressure value of pressure sensor feedback that user selectes, when pressure sensor feedback
Pressure value less than the constant pressure value that user selectes, adjust the on off operating mode of the first and second magnetic valves,
Pressure value that air fed back up to pressure sensor is imported equal to the constant pressure that user selectes with from the external world
Force value, so as to realize continuous constant pressure state；And the pressure value for working as pressure sensor feedback is selected more than user
Fixed constant pressure value, adjusts the on off operating mode of the first and second magnetic valves, to extract in drainage tube
Air until pressure sensor feedback pressure value equal to the constant pressure value that user selectes, so as to realize
Continuous constant pressure state；And
In the case where interruption pressure regulation pattern is switched to, the high/low negative pressure value selected based on user with
And the pressure value of pressure sensor feedback, when the pressure value of pressure sensor feedback is selected less than user
High/low negative pressure value, adjusts the on off operating mode of the first and second magnetic valves, with straight from external world's importing air
Pressure value to pressure sensor feedback is high/low so as to realize equal to the high/low negative pressure value that user selectes
Negative pressure value stable state；And the pressure value of working as pressure sensor feedback is high/low negative more than what user selected
Pressure value, adjusts the on off operating mode of the first and second magnetic valves, to extract the air in drainage tube until pressure
Force snesor feedback pressure value equal to the high/low negative pressure value that user selectes, so as to realize high/low negative pressure
Value stabilization state.
Preferably, valve module can also include choke valve, and the choke valve is arranged on second on drainage tube
Between magnetic valve and pressure sensor, for adjusting the gas flow rate in drainage tube.
Preferably, negative pressure drainage regulator can also include central processing unit, and the central processing unit is used
According to the pressure value and/or pressure pattern of user input realize negative pressure automatically adjust and/or keep use
The pressure value of family input.It is further preferred that central processing unit can be also used for the stabilization based on user input
Time is with holding continuous constant pressure state or the high/low negative pressure value stable state within stabilization time.
Preferably, negative pressure drainage regulator can also include：Power supply and power supervisor,
For providing and manage the power supply of negative pressure drainage regulator；End is keyed in, for being input into what user selected
Pressure value and/or pressure pattern；Display end, for showing pressure value and/or pressure pattern；And,
Siren, the operating state for warning negative pressure drainage regulator.
According to the second aspect of the invention, there is provided a kind of negative pressure drainage treatment system, the system includes：
Wound sucker, the negative pressure source for providing negative pressure, hydrops tank, drainage tube and foregoing negative
Pressure drainage regulator, wherein, it is connected by drainage tube between wound sucker and hydrops tank, hydrops tank
It is connected by drainage tube between negative pressure source, and negative pressure drainage regulator is arranged on hydrops tank and negative pressure
At drainage tube between source.
According to the third aspect of the invention we, there is provided a kind of foregoing negative pressure drainage treatment system
Control method, the control method includes：Selection according to user switches to negative pressure drainage regulator
Continuous constant pressure pattern or interruption pressure regulation pattern.
Preferably, the control method also includes：In the case where continuous constant pressure pattern is switched to, obtain
The pressure value of the selected constant pressure value in family and pressure sensor feedback is taken, when pressure sensor is anti-
The pressure value of feedback adjusts the break-make shape of the first and second magnetic valves less than the constant pressure value that user selectes
State, air is imported up to the pressure value that pressure sensor feeds back is constant equal to what user selected with from the external world
Pressure value, so as to realize continuous constant pressure state；And the pressure value for working as pressure sensor feedback is more than user
Selected constant pressure value, adjusts the on off operating mode of the first and second magnetic valves, to extract in drainage tube
Air until the pressure value of pressure sensor feedback is equal to the constant pressure value that user selectes so that real
Existing continuous constant pressure state；And, in the case where interruption pressure regulation pattern is switched to, obtain user's choosing
The pressure value of fixed high/low negative pressure value and pressure sensor feedback, when the pressure of pressure sensor feedback
Force value adjusts the on off operating mode of the first and second magnetic valves less than the high/low negative pressure value that user selectes,
Air is imported up to the pressure value that pressure sensor feeds back is high/low negative equal to what user selected with from the external world
Pressure value, so as to realize high/low negative pressure value stable state；And work as pressure sensor feedback pressure value it is big
In the high/low negative pressure value that user selectes, the on off operating mode of the first and second magnetic valves is adjusted, to extract
Air in drainage tube is until the pressure value of pressure sensor feedback is equal to the high/low negative pressure that user selectes
Value, so as to realize high/low negative pressure value stable state.
Preferably, the control method can also include：By the gas stream in throttle valve adjustment drainage tube
Speed.
Preferably, the control method can also include：By central processing unit, according to user input
The pressure value of pressure value and/or pressure pattern and pressure sensor feedback, the break-make of control valve group part
State and/or throttle.
The present invention at least achieves following technique effect：
As it was previously stated, the present invention provide negative pressure drainage regulator, its have continuous constant pressure pattern and
Interruption pressure regulation pattern both mode of operations, also, using valve module (including mechanical pressure regulator valve, the
One and second magnetic valve etc.) combination with pressure sensor, realized using semiautomatic control mode foregoing
Two kinds of switchings of mode of operation, to adapt to different medical schemes, are conducive to the rehabilitation of patient.With
This simultaneously, present invention also offers a kind of negative pressure drainage treatment system and one kind including aforementioned means
For the control method of the system, it equally can adapt to different medical schemes, is conducive to patient's
Rehabilitation.
Other goals of the invention that the present invention can be realized and other technique effects that can obtain will be
Combined in following specific embodiments and the description of specific embodiment and the signal of accompanying drawing are illustrated.
Brief description of the drawings
In order to make above and other objects of the present invention, feature and advantage more obvious understandable, below
With reference to the drawings and specific embodiments, the invention will be further described.
Fig. 1 is the structural schematic block diagram of the negative pressure drainage treatment system according to the specific embodiment of the invention；
Fig. 2 is the negative pressure drainage pressure regulation in the negative pressure drainage treatment system according to the specific embodiment of the invention
The structural schematic block diagram of device；And
Fig. 3 is the negative pressure drainage pressure regulation in the negative pressure drainage treatment system according to the specific embodiment of the invention
The workflow diagram of device.
Drawing reference numeral
1- wound suckers, 2- drainage tubes, 3- hydrops tanks, 4- negative pressure drainage regulators, 400- centers
Processor, 410- machinery pressure regulator valves, the magnetic valves of 420- first, the magnetic valves of 430- second, 440- throttlings
Valve, 450- pressure sensors, 460- keys in end, 470- display ends, 480- power supplies, 481-
Power supervisor, 490- sirens, 5- negative pressure sources, and, 6- other drainage tubes.
Specific embodiment
Specific embodiment of the invention is described below in detail, the example of specific embodiment is shown in the drawings,
Wherein identical label represents same or analogous element from start to finish.Below with reference to the accompanying drawings the tool for describing
Body embodiment is exemplary, it is intended to explains the present invention, and can not be construed to a kind of limit of the invention
System.
Fig. 1 shows a kind of negative pressure drainage treatment system, and it mainly includes：Wound sucker 1, it is used for
Negative pressure source 5, hydrops tank 3, drainage tube 2,6 and the negative pressure drainage regulator 4 of negative pressure are provided,
Wherein, it is connected by drainage tube 6 between wound sucker 1 and hydrops tank 3, hydrops tank 3 and negative pressure source
It is connected by drainage tube 2 between 5, and negative pressure drainage regulator 4 is arranged on hydrops tank 3 and negative pressure
At drainage tube 2 between source 5.
According to the present invention, the Main Function of negative pressure drainage regulator 4 is to provide user institute as needed
The negative pressure value for needing, and be required between continuous constant pressure pattern and interruption pressure regulation pattern according to user
Switching running.As shown in Fig. 2 negative pressure drainage regulator 4 mainly includes the He of pressure sensor 450
Valve module, wherein, pressure sensor 450 is arranged on drainage tube 2 and draws for sensing and feeding back
The pressure value of gas in flow tube 2, and valve module is then used for being selected in continuous constant pressure according to user
Switch between pattern and interruption pressure regulation pattern, wherein, the pressure in drainage tube 2 under continuous constant pressure pattern
Force value keeps continuous constant, and is being interrupted the pressure value under pressure regulation pattern in drainage tube 2 in the scheduled time
High negative pressure value and lower negative pressure value between circulate.
According to embodiments of the present invention, valve module includes mechanical pressure regulator valve 410, the and of the first magnetic valve 420
Second magnetic valve 430.Specifically, mechanical pressure regulator valve 410 is arranged on drainage tube 2 near negative pressure source 3
Side, for presetting a safety negative-pressure value.For example, one can be set by mechanical pressure regulator valve 410
Individual maximum safety negative-pressure value, i.e., the peak suction value that patient people's physical efficiency is born is any when occurring to ensure
Under abnormal conditions, the negative pressure value that pressure regulator is provided all without more than this maximum safety negative-pressure value, from
And effectively protect the safety of patient.Mechanical pressure regulator valve 410 can be adjusted manually.First magnetic valve 420
Drainage tube 2 is arranged near the side of hydrops tank 3, for the pressure value fed back according to pressure sensor 450
The lower negative pressure state in drainage tube 2 is realized in break-make mode；Second magnetic valve 430 is similarly disposed at and draws
Flow tube 2 near the side of hydrops tank 3, for the pressure value fed back according to pressure sensor 450 with break-make side
Formula realizes the high negative pressure state in drainage tube 2.Specifically, the first magnetic valve 420 is arranged on drainage tube
Between mechanical pressure regulator valve 410 and pressure sensor 450 on 2；And the second magnetic valve 430 is arranged on
Between the first magnetic valve 420 and pressure sensor 450 on drainage tube 2, and determined in break-make mode
Whether drainage tube 2 connects with outside air.So, sense and feed back based on pressure sensor 450
Pressure value, by mechanical pressure regulator valve 410, the first magnetic valve 420 and the second magnetic valve in valve module
430 compounding practice, can cause that device is adjusted in continuous constant pressure pattern and interruption according to the selection of user
Switch running between die pressing type.
According to the present invention, the workflow diagram of negative pressure drainage regulator 4 is as shown in Figure 3.First,
One maximum safety negative-pressure value is set by mechanical pressure regulator valve 410.Then, carried out according to user's request
Model selection.
In the case where continuous constant pressure pattern is switched to, the constant pressure value selected based on user and
The pressure value of the feedback of pressure sensor 450, when the pressure value of the feedback of pressure sensor 450 is less than user
Selected constant pressure value, adjusts the on off operating mode of the one 420 and the 2nd 430 magnetic valve, with from outer
Boundary imports pressure value of the air up to the feedback of pressure sensor 450 equal to the constant pressure value that user selectes,
So as to realize continuous constant pressure state；And the pressure value for working as the feedback of pressure sensor 450 is selected more than user
Constant pressure value, adjust the one 420 and the 2nd 430 magnetic valve on off operating mode, to extract drainage
Air in pipe 2 is until the pressure value of the feedback of pressure sensor 450 is equal to the constant pressure that user selectes
Value, so as to realize continuous constant pressure state.Specifically, when the pressure value of the feedback of pressure sensor 450 is small
In the constant pressure value that user selectes, the first magnetic valve 420 is disconnected and the second magnetic valve 430 is connected
It is logical, air is imported up to pressure value that pressure sensor 450 feeds back is selected equal to user with from the external world
Constant pressure value, then disconnects the second magnetic valve 430, to keep continuous constant pressure state；And work as pressure
The pressure value of the feedback of sensor 450 is more than the constant pressure value that user selectes, the quilt of the first magnetic valve 420
Connection and the second magnetic valve 430 is disconnected, to extract the air in drainage tube 2 until pressure sensor
The pressure value of 450 feedbacks then disconnects the first magnetic valve 420 equal to the constant pressure value that user selectes,
To keep continuous constant pressure state.
And in the case where interruption pressure regulation pattern is switched to, based on the high/low negative pressure value that user selectes
And the pressure value of the feedback of pressure sensor 450, when the pressure value of the feedback of pressure sensor 450 is less than
The high/low negative pressure value that user selectes, adjusts the on off operating mode of the one 420 and the 2nd 430 magnetic valve,
With from the external world import pressure value that air fed back up to pressure sensor 450 equal to the height that user selectes/
Lower negative pressure value, so as to realize high/low negative pressure value stable state, terminates until the in stable condition time, cuts
It is changed to next pressure state；And what the pressure value for working as the feedback of pressure sensor 450 was selected more than user
High/low negative pressure value, adjusts the on off operating mode of the one 420 and the 2nd 430 magnetic valve, to extract drainage
Air in pipe 2 is until the pressure value of the feedback of pressure sensor 450 is high/low negative equal to what user selected
Pressure value, so as to realize high/low negative pressure value stable state, terminates until the in stable condition time, switches to
Next pressure state.Specifically, when the pressure value of the feedback of pressure sensor 450 is selected less than user
High/low negative pressure value, the first magnetic valve 420 is disconnected and the second magnetic valve 430 is connected, with from
The external world imports air until the pressure value of the feedback of pressure sensor 450 is high/low negative equal to what user selected
Pressure value, then disconnects the second magnetic valve 430, to keep high/low negative pressure value stable state；And work as pressure
The pressure value of the feedback of sensor 450 is more than the high/low negative pressure value that user selectes, the first magnetic valve 420
By connection, the second magnetic valve 430 is disconnected, to extract the air in drainage tube 2 until pressure sensing
The pressure value of the feedback of device 450 then disconnects the first magnetic valve equal to the high/low negative pressure value that user selectes
420, to keep high/low negative pressure value stable state, so as to realize dynamic negative regulation.
Additionally, according to the present invention, as shown in Fig. 2 negative pressure drainage regulator 4 can also include section
Stream valve 440.Choke valve 440 is arranged on the second magnetic valve 430 and pressure sensor on drainage tube 2
Between 450, for adjusting the gas flow rate in drainage tube 2, to obtain feedback time.The choke valve
440 can be vacuum choke valve.
At the same time, the negative pressure drainage regulator 4 that the present invention is provided also includes central processing unit 400.
Central processing unit 400 is used to realize that negative pressure is automatic according to the pressure value and/or pressure pattern of user input
Regulation and/or the pressure value of holding user input.And, central processing unit 400 is additionally operable to based on use
The stabilization time of family input is with holding continuous constant pressure state or the high/low negative pressure value stabilization within stabilization time
State.Central processing unit 400 (such as single-chip microcomputer) can detect that the pressure on drainage tube 2 is passed
The pressure value of the sensing of sensor 450, to realize the regulation of different pressures, and according to the pressure of sensor feedback
Force value realizes that the negative pressure of negative pressure drainage regulator 4 is automatically adjusted or keeps the function of selected pressure value.
As it was previously stated, central processing unit 400 can also control negative pressure drainage regulator 4 to realize that user is set
Mode of operation (continuous constant pressure pattern or interruption pressure regulation pattern).Also, in the case where pressure regulation pattern is interrupted,
High negative pressure and lower negative pressure that central processing unit 400 can be set according to user, and high negative pressure stabilization time
Toggle to realize the interruption of the negative pressure drainage regulator 4 needed for user with lower negative pressure stabilization time
Pressure regulation is operated.
Additionally, as shown in Fig. 2 the negative pressure drainage regulator 4 that the present invention is provided can also wrap power supply
Power supply 480 and power supervisor 481, key entry end 460, display end 470 and siren 490
Deng.Specifically, power supply 480 and power supervisor 481 are used to provide and manage negative pressure drainage
The power supply of regulator 4；Keying in end 460 is used to be input into pressure value and/or the pressure mould that user selectes
Formula；Display end 470 is used to show pressure value and/or pressure pattern；And siren 490 is used to warn
The operating state of negative pressure drainage regulator 4.
Therefore, the negative pressure drainage regulator that the present invention is provided, it has continuous constant pressure pattern and interruption
Pressure regulation pattern both mode of operations, also, using valve module (including mechanical pressure regulator valve, the first and
Second magnetic valve etc.) with the combination of pressure sensor, realize foregoing two kinds using semiautomatic control mode
The switching of mode of operation, to adapt to different medical schemes, is conducive to the rehabilitation of patient.It is same with this
When, it is used for present invention also offers a kind of negative pressure drainage treatment system including aforementioned means and one kind
The control method of the system, it equally can adapt to different medical schemes, be conducive to the rehabilitation of patient.
At the same time, draw present invention also offers a kind of negative pressure including aforementioned negative pressure drainage regulator
Stream treatment system.As shown in figure 1, the negative pressure drainage treatment system includes：Wound sucker 1, it is used for
Negative pressure source 5, hydrops tank 3, drainage tube 2,6 and the foregoing negative pressure drainage pressure regulation dress of negative pressure are provided
Put 4, wherein, between wound sucker 1 and hydrops tank 3 by drainage tube 6 be connected, hydrops tank 3 with
It is connected by drainage tube 2 between negative pressure source 5, and negative pressure drainage regulator 4 is arranged on hydrops tank 3
At the drainage tube 2 between negative pressure source 5.
Additionally, present invention also offers a kind of such as the control method of preceding negative pressure drainage treatment system.Such as
Shown in Fig. 3, the control method includes：First, a maximum peace is set by mechanical pressure regulator valve 410
Full negative pressure value.Then, negative pressure drainage regulator 4 is switched to continuous constant pressure by the selection according to user
Pattern or interruption pressure regulation pattern.Further, the control method is further included：In the company of being switched to
In the case of continuous constant voltage mode, what the constant pressure value and pressure sensor that acquisition user selectes were fed back
Pressure value, when the pressure value of pressure sensor feedback is less than the constant pressure value that user selectes, regulation the
One and second magnetic valve on off operating mode, import the pressure fed back up to pressure sensor of air with from the external world
Force value equal to the constant pressure value that user selectes, so as to realize continuous constant pressure state；And work as pressure sensing
The pressure value of device feedback adjusts the logical of the first and second magnetic valves more than the constant pressure value that user selectes
Disconnected state, to extract the air in drainage tube until the pressure value that pressure sensor feeds back is selected equal to user
Fixed constant pressure value, so as to realize continuous constant pressure state；And, it is being switched to interruption pressure regulation mould
In the case of formula, high/low negative pressure value and the pressure value of pressure sensor feedback that acquisition user selectes,
When the pressure value of pressure sensor feedback is less than the high/low negative pressure value that user selectes, regulation first and the
The on off operating mode of two magnetic valves, pressure value that air feeds back up to pressure sensor etc. is imported with from the external world
In the high/low negative pressure value that user selectes, so as to realize high/low negative pressure value stable state, until the state
Stabilization time terminates, and switches to next pressure state；And work as pressure sensor feedback pressure value it is big
In the high/low negative pressure value that user selectes, the on off operating mode of the first and second magnetic valves is adjusted, to extract
Air in drainage tube is until the pressure value of pressure sensor feedback is equal to the high/low negative pressure that user selectes
Value, so as to realize high/low negative pressure value stable state, terminates until the in stable condition time, switches to down
One pressure state.
Additionally, the control method can also include：By the gas flow rate in throttle valve adjustment drainage tube；
And/or, by central processing unit, according to the pressure value and/or pressure pattern and pressure of user input
The pressure value of sensor feedback, the on off operating mode and/or throttle of control valve group part.
Therefore, the present invention is provided negative pressure drainage treatment system and its control method, by using this hair
The continuous constant pressure pattern of the negative pressure drainage regulator of bright offer and both work of interruption pressure regulation pattern
Pattern, also, using valve module (including mechanical pressure regulator valve, the first and second magnetic valves etc.) and pressure
The combination of force snesor, the switching of foregoing two kinds of mode of operations is realized using semiautomatic control mode, with
Just different medical schemes are adapted to, is conducive to the rehabilitation of patient.At the same time, present invention also offers
A kind of negative pressure drainage treatment system and a kind of control method for the system including aforementioned means,
It equally can adapt to different medical schemes, be conducive to the rehabilitation of patient.
The specific embodiment of the invention described above is only exemplary to illustrate principle of the invention and its effect,
Not for the limitation present invention, know it will be understood by those skilled in the art that without departing from of the invention
In the case of spirit and scope, any changes and improvements made for the present invention are all in the scope of the present invention
It is interior.The scope of the present invention, should be such as being defined that the claim of the application is defined.
Claims (12)
1. a kind of negative pressure drainage regulator (4), is arranged on negative pressure source (1) and hydrops tank (3)
Between drainage tube (2) place, it is characterised in that the negative pressure drainage regulator includes：
Pressure sensor (450), is arranged on drainage tube and for sensing and feeds back in drainage tube and flow
The pressure value of the gas of vector product flow container (3)；And
Valve module, the valve module is used for being selected in continuous constant pressure pattern and interruption according to user
Switch between pressure regulation pattern, wherein the pressure value in drainage tube under the continuous constant pressure pattern keeps connecting
It is continuous constant, and pressure value in drainage tube under the interruption pressure regulation pattern is in the high negative pressure of the scheduled time
Circulated between value and lower negative pressure value, wherein the valve module includes：
Mechanical pressure regulator valve (410), is arranged on drainage tube near negative pressure source, for presetting
One safety negative-pressure value；
First magnetic valve (420), is arranged on drainage tube near hydrops tank side, for according to described
The pressure value of pressure sensor feedback realizes the lower negative pressure state in drainage tube in break-make mode；And
Second magnetic valve (430), is arranged on drainage tube near hydrops tank side, for according to described
The pressure value of pressure sensor feedback realizes the high negative pressure state in drainage tube in break-make mode.
2. negative pressure drainage regulator (4) as claimed in claim 1, it is characterised in that
First magnetic valve is arranged between mechanical pressure regulator valve and the pressure sensor on drainage tube；And
Second magnetic valve is arranged between the first magnetic valve and the pressure sensor on drainage tube, and with logical
Disconnected mode determines whether drainage tube connects with outside air.
3. negative pressure drainage regulator (4) as claimed in claim 2, it is characterised in that
In the case where continuous constant pressure pattern is switched to, the constant pressure value selected based on user and
The pressure value of the pressure sensor feedback, when the pressure value of pressure sensor feedback is less than user
Selected constant pressure value, adjusts the on off operating mode of the first and second magnetic valves, and sky is imported with from the external world
Gas until the pressure value of pressure sensor feedback is equal to the constant pressure value that user selectes so that real
Existing continuous constant pressure state；And the pressure value of working as pressure sensor feedback is constant more than what user selected
Pressure value, adjust the first and second magnetic valves on off operating mode, with extract the air in drainage tube until
The pressure value of the pressure sensor feedback is equal to the constant pressure value that user selectes, so as to realize continuous
Pressure constant state；And
In the case where interruption pressure regulation pattern is switched to, the high/low negative pressure value selected based on user with
And the pressure value of the pressure sensor feedback, when the pressure value of pressure sensor feedback is less than use
The selected high/low negative pressure value in family, adjusts the on off operating mode of the first and second magnetic valves, is led with from the external world
Enter air up to the pressure value of pressure sensor feedback is equal to the high/low negative pressure value that user selectes,
So as to realize high/low negative pressure value stable state；And the pressure value for working as the pressure sensor feedback is more than
The high/low negative pressure value that user selectes, adjusts the on off operating mode of the first and second magnetic valves, is drawn with extracting
Air in flow tube is until the pressure value of pressure sensor feedback is high/low negative equal to what user selected
Pressure value, so as to realize high/low negative pressure value stable state.
4. negative pressure drainage regulator (4) as claimed in claim 2, it is characterised in that the valve
Component also includes：
Choke valve (440), is arranged between the second magnetic valve and the pressure sensor on drainage tube, uses
Gas flow rate in regulation drainage tube.
5. negative pressure drainage regulator (4) as claimed in claim 4, it is characterised in that also include：
Central processing unit (400), realizes for the pressure value according to user input and/or pressure pattern
Negative pressure is automatically adjusted and/or keeps the pressure value of user input.
6. negative pressure drainage regulator (4) as claimed in claim 5, it is characterised in that in described
The stabilization time that central processor is additionally operable to be based on user input keeps continuous with the stabilization time
Pressure constant state or high/low negative pressure value stable state.
7. the negative pressure drainage regulator (4) as described in any in claim 1-6, it is characterised in that
Also include：
Power supply (480) and power supervisor (481), for providing and manage the negative pressure
The power supply of drainage regulator；
Key in end (460), for being input into pressure value and/or pressure pattern that user selectes；
Display end (470), for showing pressure value and/or pressure pattern；And
Siren (490), the operating state for warning the negative pressure drainage regulator.
8. a kind of negative pressure drainage treatment system, it is characterised in that including：Wound sucker (1), use
In providing the negative pressure source (5) of negative pressure, hydrops tank (3), drainage tube (2,6) and such as claim
Any described negative pressure drainage regulator (4) in 1-7, wherein, the wound sucker (1) and institute
State and be connected by drainage tube (6) between hydrops tank (3), the hydrops tank (3) and the negative pressure
It is connected by drainage tube (2) between source (5), and the negative pressure drainage regulator (4) is set
Drainage tube (2) place between the hydrops tank (3) and the negative pressure source (5).
9. a kind of control method of negative pressure drainage treatment system as claimed in claim 8, its feature
It is that the control method includes：
The negative pressure drainage regulator (4) is switched to the continuous constant pressure by the selection according to user
Pattern or the interruption pressure regulation pattern.
10. control method as claimed in claim 9, it is characterised in that the control method is also wrapped
Include：
In the case where continuous constant pressure pattern is switched to, obtain the constant pressure value selected of user and
The pressure value of the pressure sensor feedback, when the pressure value of pressure sensor feedback is less than user
Selected constant pressure value, adjusts the on off operating mode of the first and second magnetic valves, and sky is imported with from the external world
Gas until the pressure value of pressure sensor feedback is equal to the constant pressure value that user selectes so that real
Existing continuous constant pressure state；And the pressure value of working as pressure sensor feedback is constant more than what user selected
Pressure value, adjust the first and second magnetic valves on off operating mode, with extract the air in drainage tube until
The pressure value of the pressure sensor feedback is equal to the constant pressure value that user selectes, so as to realize continuous
Pressure constant state；And
In the case where interruption pressure regulation pattern is switched to, obtain the high/low negative pressure value selected of user with
And the pressure value of the pressure sensor feedback, when the pressure value of pressure sensor feedback is less than use
The selected high/low negative pressure value in family, adjusts the on off operating mode of the first and second magnetic valves, is led with from the external world
Enter air up to the pressure value of pressure sensor feedback is equal to the high/low negative pressure value that user selectes,
So as to realize high/low negative pressure value stable state；And the pressure value for working as the pressure sensor feedback is more than
The high/low negative pressure value that user selectes, adjusts the on off operating mode of the first and second magnetic valves, is drawn with extracting
Air in flow tube is until the pressure value of pressure sensor feedback is high/low negative equal to what user selected
Pressure value, so as to realize high/low negative pressure value stable state.
11. control methods as claimed in claim 9, it is characterised in that the control method is also wrapped
Include：
By the gas flow rate in the throttle valve adjustment drainage tube.
12. control methods as claimed in claim 11, it is characterised in that the control method is also
Including：
By the central processing unit, pressure value and/or pressure pattern and institute according to user input
The pressure value of pressure sensor feedback is stated, the on off operating mode and/or throttle of the valve module is controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510882015.XA CN106823021B (en) | 2015-12-03 | 2015-12-03 | Negative pressure drainage pressure regulating device, system comprising same and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882015.XA CN106823021B (en) | 2015-12-03 | 2015-12-03 | Negative pressure drainage pressure regulating device, system comprising same and control method thereof |
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| CN106823021B CN106823021B (en) | 2021-08-13 |
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| CN108525028A (en) * | 2018-04-20 | 2018-09-14 | 河南科技大学第附属医院 | A kind of ICU nursing quick drainage device |
| CN108760160A (en) * | 2018-05-10 | 2018-11-06 | 无锡格林司通自动化设备有限公司 | A kind of pressure regulating system |
| CN109793950A (en) * | 2019-03-28 | 2019-05-24 | 江苏鱼跃医疗设备股份有限公司 | A kind of aspirator negative pressure Automatic adjustment method and system |
| CN110833634A (en) * | 2019-11-29 | 2020-02-25 | 振德医疗用品股份有限公司 | Negative pressure drainage system and drainage method thereof |
| CN111202873A (en) * | 2020-03-16 | 2020-05-29 | 西安赫特海斯电子科技有限公司 | Detachable negative pressure auxiliary drainage device and control method thereof |
| CN111658843A (en) * | 2020-06-30 | 2020-09-15 | 西安交通大学医学院第一附属医院 | Flushing and sucking drainage tube and flushing and sucking drainage system |
| CN112354020A (en) * | 2020-10-26 | 2021-02-12 | 南京市儿童医院 | Intermittent negative pressure sputum suction device for congenital esophagus atresia child patient and using method thereof |
| CN112516393A (en) * | 2020-12-01 | 2021-03-19 | 中国人民解放军陆军军医大学第一附属医院 | Anti-reflux drainage device |
| CN113144300A (en) * | 2021-03-12 | 2021-07-23 | 中国人民解放军联勤保障部队第九二〇医院 | Gastrointestinal decompression device, decompression system and decompression method for clinical use in digestive system department |
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| CN112354020A (en) * | 2020-10-26 | 2021-02-12 | 南京市儿童医院 | Intermittent negative pressure sputum suction device for congenital esophagus atresia child patient and using method thereof |
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| CN113144300A (en) * | 2021-03-12 | 2021-07-23 | 中国人民解放军联勤保障部队第九二〇医院 | Gastrointestinal decompression device, decompression system and decompression method for clinical use in digestive system department |
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