CN106039450A - Wound irrigation and negative pressure drainage device and usage method thereof - Google Patents
Wound irrigation and negative pressure drainage device and usage method thereof Download PDFInfo
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- CN106039450A CN106039450A CN201610520295.4A CN201610520295A CN106039450A CN 106039450 A CN106039450 A CN 106039450A CN 201610520295 A CN201610520295 A CN 201610520295A CN 106039450 A CN106039450 A CN 106039450A
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- wound surface
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- 238000000034 method Methods 0.000 title claims description 38
- 230000002262 irrigation Effects 0.000 title abstract description 3
- 238000003973 irrigation Methods 0.000 title abstract description 3
- 239000007788 liquid Substances 0.000 claims abstract description 144
- 239000006260 foam Substances 0.000 claims abstract description 60
- 238000012545 processing Methods 0.000 claims abstract description 53
- 238000003860 storage Methods 0.000 claims abstract description 32
- 239000002699 waste material Substances 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 12
- 230000002085 persistent effect Effects 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 239000003978 infusion fluid Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000010412 perfusion Effects 0.000 claims description 7
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000008233 hard water Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000001802 infusion Methods 0.000 abstract description 9
- 206010052428 Wound Diseases 0.000 description 125
- 208000027418 Wounds and injury Diseases 0.000 description 125
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000002572 peristaltic effect Effects 0.000 description 4
- 230000001225 therapeutic effect Effects 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 206010048629 Wound secretion Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 206010063560 Excessive granulation tissue Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 210000001126 granulation tissue Anatomy 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Classifications
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
- A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/01—Non-adhesive bandages or dressings
- A61F13/01021—Non-adhesive bandages or dressings characterised by the structure of the dressing
- A61F13/01029—Non-adhesive bandages or dressings characterised by the structure of the dressing made of multiple layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
-
- 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
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
- A61M1/75—Intermittent or pulsating suction
-
- 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
-
- 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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Otolaryngology (AREA)
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to a wound irrigation and negative pressure drainage device formed by the connection of a wound contact device, a pouring and negative pressure device, a display control device and a power supply device; the wound contact device is composed of foam dressing and a guide channel; the pouring and negative pressure device consists of a waste liquid and liquid storage container, a negative pressure bag, a liquid storage bag, a separating plate, a spring, a pressure sensor, a flow sensor, a negative pressure pipe, an infusion pipe, a negative pressure pipe valve, and an infusion pipe valve; and the display control device comprises a display and a central processing unit. The negative pressure bag is arranged between a top cover of the waste liquid and liquid storage container and the separating plate, the separating plate can move vertically inside the waste liquid and liquid storage container according to the pressures of the upper and lower surfaces of the separating plate, when the infusion pipe valve is opened, liquid in the liquid storage bag can be actively infused into the foam dressing, while the flow sensor measures the flow rate of the liquid in the pipe in real time, and when the total pouring amount reaches a preset value, the central processing unit starts the pipe valve, and closes the infusion pipe.
Description
Technical field
The present invention relates to the technical field of medical apparatus, specifically a kind of washing wound surface and negative pressure therapeutic devices.
Background technology
Fleischmann in 1993 finds that suction function can accelerate edema wound and disappear, and promotes granulation tissue hyperplasia and drops
Low local bacterial load.Research subsequently finds, Wound-surface negative pressure treatment technology can be used for acute, repairing of subacute and chronic wound
Multiple.At present, one of Wound-surface negative pressure treatment technology standard method becoming Wound treating.During long-term clinical application, wound surface
It is not enough that negative pressure treatment technology also exposes tissue cleaning capacity, the defects such as Wound treating method is single.Research finds, Wound-surface negative pressure
Treatment combines wound surface perfusion technique and is favorably improved wound surface cleaning capacity, accelerates wound healing.Wound surface perfusion-negative pressure therapeutic devices
It it is the critical component of Wound-surface negative pressure treatment and wound surface perfusion therapy collaborative work.Wound surface perfusion-negative pressure therapeutic devices exists at present
The deficiencies such as structure is complicated, bulky.Notification number is " 104039286A ", entitled " wound therapeutic apparatus ", describes following
Technology contents " for collecting drainage container and the drainage tube of liquid " " this instrument also include for by drainage tube from wound area
First pump group of washing liquid ", " for carrying the device of drip liquid to wound area from instillation container ", such an approach achieves
Wound-surface negative pressure treatment and the function of wound surface perfusion therapy, however it is necessary that respectively Wound-surface negative pressure provides power with wound surface device for casting
Source.Above-mentioned bulletin also describes following technology contents " should in the case of supercharging significantly in negative pressure treatment and drip irrigation are treated
Container (note: drainage container) is substantially without deformation ", " described perfusion container it may be that the capsule of such as tank or liquid impermeable ",
But during clinical practice wound surface perfusion-negative pressure treatment, wound surface perfusion initial stage drainage container is in hollow state, and drainage container is sharp
Low by rate.Therefore, research and develop a kind of simple for structure, compact wound surface perfusion-negative pressure drainage device become one urgent and important
Work.
Summary of the invention
It is an object of the invention to provide a kind of novel washing wound surface and the design of negative pressure drainage device and user thereof
Method, it can overcome apparatus structure in prior art complicated, bulky, and cruising time is short, the high deficiency of wound surface secondary pollution rate.
To achieve these goals, the technical scheme is that a kind of washing wound surface and negative pressure drainage device, its feature
It is: described device is contacted device by wound surface, rinses and negative pressure bottle, display control unit and electric supply installation are formed by connecting；Institute
State wound surface contact device be made up of foam dressing and pad pasting, foam dressing is multilayer polyurethane structure, dressing aperture by lower to
On successively decrease successively, contact wound surface part aperture be 1000 μm, contact pad pasting part dressing aperture be 600 μm, dressing built-in band side
The hard flow-guiding channel in hole, flow-guiding channel is made up of medical ABS resin, and tube wall can tolerate the pressure of more than 400mmHg, with negative pressure
The flow-guiding channel that pipeline is connected is between foam dressing and pad pasting, and the flow-guiding channel being connected with liquid-transport pipe-line is positioned at foam dressing
And between wound surface, pad pasting is made up of thermoplastic polyurethane (TPU), can be by wound surface and external environment；Described flushing and negative pressure
Bottle, by waste liquid and liquid storage container, negative pressure bag, liquid storing bag, dividing plate, spring, pressure transducer, flow transducer, liquid-transport pipe-line, is born
Pressure pipeline, negative-pressure pipeline valve and liquid-transport pipe-line valve composition, waste liquid/liquid storage container is a cylindrical shape clear hard container, by
Polyethylene (PE) is made, and it is all detachable that container outer wall can tolerate 1000mmHg pressure, container cap and base plate, also can pass through buckle
It is connected with container body, container cap and the most built-in cannelure of base plate, can be used for connecting and accommodating spring, container top board longitudinal section
For rectangle, container floor longitudinal section is right angled triangle, and plate upper surface is hypotenuse, lower surface be right angled triangle relatively
Long right-angle side；Having circular hard dividing plate in container, dividing plate is polyethylene (PE), can tolerate 1000mmHg pressure, and dividing plate is upper and lower
Buckle is all preset on surface, and buckle can be connected with spring, and dividing plate diameter is slightly less than inside diameter of vessel, can move in container internal vertical
Dynamic, the rectangular triangle in dividing plate cross section, upper surface is parallel parallel with container top board lower surface, for the right angle that right angled triangle is longer
Limit, lower surface is parallel with container floor upper surface, for hypotenuse；The upper and lower two-layer of container all has 1 piece of spring, spring
Being made up of high resiliency steel, spring outer diameter is identical with dividing plate diameter, can be connected with top board, dividing plate and base plate respectively by buckle
Connecing, under the spring quiescent condition of upper strata, length is equal to container height, and solid height is equal to the top board spring groove degree of depth, lower floor's spring
Under quiescent condition, length is equal to base plate spring groove depth, and maximum tension height is equal to container height.Negative pressure bag is positioned at container upper strata,
Being made up of medical grade polrvinyl chloride (PVC), for disposable folding structure, be positioned at the inside of spring hollow, negative pressure bag pushes up up and down
Portion has buckle to be connected with container cap and dividing plate respectively, and negative pressure bag top is provided with inlet, and inlet passes through top cover preformed hole
Gap is connected with negative-pressure pipeline, and negative-pressure pipeline connects pressure transducer and negative-pressure pipeline valve, pressure transducer and negative pressure
Pipeline valve is connected with display control unit by holding wire, and its real-time pressure and valve open-close state are depicted in display screen
On, pressure transducer is connected with electric supply installation by electric lines of force with negative-pressure pipeline valve；Liquid storing bag be disposable can
Folding soft structures, be positioned at container lower floor, be made up of macromolecule polypropylene, liquid storing bag bottom is connected with liquid-transport pipe-line, tube for transfusion
Connect on road and have flow transducer and liquid-transport pipe-line valve, flow transducer and liquid-transport pipe-line valve by holding wire and display control
Device processed is connected, and its real-time traffic and valve open-close state are all expressed on display screen, flow transducer and liquid-transport pipe-line valve
Door is connected with electric supply installation by electric lines of force；Described display control unit is made up of display, central processing unit and keyboard,
Display is connected with central processing unit by holding wire, central processing unit by holding wire and pressure transducer, flow transducer,
Negative-pressure pipeline valve, liquid-transport pipe-line valve are connected with keyboard, and keyboard is connected with central processing unit by holding wire, for Denso
Putting and be made up of battery and transformator, transformator passes through electric lines of force and battery, central processing unit, display, keyboard, pressure sensing
Device, flow transducer, negative-pressure pipeline valve and liquid-transport pipe-line valve are powered.
A kind of being rinsed wound surface and the method for negative pressure, described method comprises the steps: 1. to install wound surface contact
Device, is positioned over wound surface surface by foam dressing, and the bigger one side in foam dressing aperture contacts with wound surface, foam dressing aperture
Less one side contacts with pad pasting, and the flow-guiding channel between foam dressing with pad pasting is connected with negative-pressure pipeline, foam dressing
It is connected with liquid-transport pipe-line with the flow-guiding channel between wound surface；2. wound surface device is set to be interrupted flushing-negative pressure mode operation；③
It is open that central processing unit controls liquid-transport pipe-line valve, negative-pressure pipeline valve closing, in liquid storing bag liquid in spring effect and
Entered in wound surface contact device by liquid-transport pipe-line under negative pressure bag and dividing plate action of gravity；4. flow transducer record flows through transfusion
The amount of liquid of pipeline by signal real-time Transmission to central processing unit, when accumulative fluid flow reaches preset value, central authorities process
Device arranges liquid-transport pipe-line valve closing, and infusion liquid is detained in wound surface contact device；5. preset value is reached when wound surface infusion time
Time, negative-pressure pipeline valve is open, and central processing unit starts the timing of Wound-surface negative pressure persistent period, and in wound surface contact device, liquid is negative
Negative pressure bag is entered under pressure effect；6. when the Wound-surface negative pressure persistent period reaches preset value, negative-pressure pipeline valve closing；7. step is repeated
Rapid 3. to step the most 6., until washing wound surface-negative pressure drainage loop ends.
During use, the negative pressure bag of the present invention is placed between waste liquid and liquid storage container top cover and dividing plate, and liquid storing bag is placed in dividing plate
And between container bottom, different according to dividing plate upper and lower surface pressure, dividing plate can move up and down inside container, and work as liquid-transport pipe-line
In the case of valve is open, in liquid storing bag liquid can active infusion in foam dressing；Meanwhile flow sensor is surveyed in real time
Flow rate of liquid in buret road, central processing unit fills by calculating (wound surface groundwater increment=flow × pipeline section amasss) recordable wound surface
Fluence, when irrigating total amount and reaching preset value, central processing unit starts pipeline valve, closes liquid-transport pipe-line.
This spring force and the dividing plate of utilizing, negative pressure bag action of gravity, in liquid storing bag, has reached ensureing liquid actively note
While entering wound surface, reduce device overall power, reduce device volume, reduce the purpose running noise.In utilizing simultaneously
Centre controller, the method that flow sensor matches with liquid-transport pipe-line valve, can reach accurately to control the mesh of wound surface groundwater increment
's；
Present invention have the advantage that
1. apparatus structure is novel, with dividing plate action of gravity, liquid in transfusion bag is actively entered wound surface by spring force and contacts dress
In putting, and without using the electric devices such as peristaltic pump.
2. device is easy to carry, and in therapeutic process, negative pressure bag and liquid storing bag can be according to content volume auto-folders, it is to avoid
Liquid storage container volume is vacant.
3. plant running is accurate, during infusion liquid enters wound surface contact device by liquid-transport pipe-line, flow sensor with
Central processing unit coordinates can accurately calculate total amount of liquid.
4. device is long for cruising time, and without using the electric devices such as peristaltic pump in liquid actively filling process, device is overall
Low in energy consumption, therefore cruising time is long.
5. equipment safety is high, successively decreases the most successively in foam dressing aperture, contributes to wound surface foreign body and contacts at wound surface
Single-way moving in device；Flow-guiding channel prefabricated in foam dressing is connected with negative-pressure pipeline and liquid-transport pipe-line respectively, infusion liquid
Individual event from bottom to top is flowed, in addition flow-guiding channel more than more than 2 in wound surface contact device, and specifies that liquid flow direction is not
The way that same flow-guiding channel can not be connected with same liquid-transport pipe-line or negative-pressure pipeline, draws wound surface flow in pipes with wound surface
Flow tube road is separated, and these measures both contribute to avoid wound surface by wound secretion or slough secondary pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the sectional view of waste liquid/liquid storage container of the present invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Label in accompanying drawing is expressed as follows: wound surface 1, foam dressing 2, pad pasting 3, liquid-transport pipe-line 4, negative-pressure pipeline 5, and pressure passes
Sensor 6, flow transducer 7, negative-pressure pipeline valve 8, liquid-transport pipe-line valve 9, container cap 10, negative pressure bag 11, dividing plate 12, liquid storage
Bag 13, waste liquid/liquid storage container outer wall 14, container floor 15, display 16, central processing unit 17, keyboard 18, battery 19, transformation
Device 20, signalling channel 21, power channel 22, spring 23, buckle 24.
To achieve these goals, the technical scheme is that a kind of washing wound surface and negative pressure drainage device, its feature
It is: described device is contacted device by wound surface, rinses and negative pressure bottle, display control unit and electric supply installation are formed by connecting；Institute
State wound surface contact device be made up of foam dressing and pad pasting, foam dressing is multilayer polyurethane structure, dressing aperture by lower to
On successively decrease successively, contact wound surface part aperture be 1000 μm, contact pad pasting part dressing aperture be 600 μm, dressing built-in band side
The hard flow-guiding channel in hole, flow-guiding channel is made up of medical ABS resin, and tube wall can tolerate the pressure of more than 400mmHg, with negative pressure
The flow-guiding channel that pipeline is connected is between foam dressing and pad pasting, and the flow-guiding channel being connected with liquid-transport pipe-line is positioned at foam dressing
And between wound surface, pad pasting is made up of thermoplastic polyurethane (TPU), can be by wound surface and external environment；Described flushing and negative pressure
Bottle, by waste liquid and liquid storage container, negative pressure bag, liquid storing bag, dividing plate, spring, pressure transducer, flow transducer, liquid-transport pipe-line, is born
Pressure pipeline, negative-pressure pipeline valve and liquid-transport pipe-line valve composition, waste liquid and liquid storage container are a cylindrical shape clear hard container, by
Polyethylene (PE) is made, and it is all detachable that container outer wall can tolerate 1000mmHg pressure, container cap and base plate, also can pass through buckle
It is connected with container body, container cap and the most built-in cannelure of base plate, can be used for connecting and accommodating spring, container top board longitudinal section
For rectangle, container floor longitudinal section is right angled triangle, and plate upper surface is hypotenuse, lower surface be right angled triangle relatively
Long right-angle side；Having circular hard dividing plate in container, dividing plate is polyethylene (PE), can tolerate 1000mmHg pressure, and dividing plate is upper and lower
Buckle is all preset on surface, and buckle can be connected with spring, and dividing plate diameter is slightly less than inside diameter of vessel, can move in container internal vertical
Dynamic, the rectangular triangle in dividing plate cross section, upper surface is parallel parallel with container top board lower surface, for the right angle that right angled triangle is longer
Limit, lower surface is parallel with container floor upper surface, for hypotenuse；The upper and lower two-layer of container all has 1 piece of spring, spring
Being made up of high resiliency steel, spring outer diameter is identical with dividing plate diameter, can be connected with top board, dividing plate and base plate respectively by buckle
Connecing, under the spring quiescent condition of upper strata, length is equal to container height, and solid height is equal to the top board spring groove degree of depth, lower floor's spring
Under quiescent condition, length is equal to base plate spring groove depth, and maximum tension height is equal to container height.Negative pressure bag is positioned at container upper strata,
Being made up of medical grade polrvinyl chloride (PVC), for disposable folding structure, be positioned at the inside of spring hollow, negative pressure bag pushes up up and down
Portion has buckle to be connected with container cap and dividing plate respectively, and negative pressure bag top is provided with inlet, and inlet passes through top cover preformed hole
Gap is connected with negative-pressure pipeline, and negative-pressure pipeline connects pressure transducer and negative-pressure pipeline valve, pressure transducer and negative pressure
Pipeline valve is connected with display control unit by holding wire, and its real-time pressure and valve open-close state are depicted in display screen
On, pressure transducer is connected with electric supply installation by electric lines of force with negative-pressure pipeline valve；Liquid storing bag be disposable can
Folding soft structures, be positioned at container lower floor, be made up of macromolecule polypropylene, liquid storing bag bottom is connected with liquid-transport pipe-line, tube for transfusion
Connect on road and have flow transducer and liquid-transport pipe-line valve, flow transducer and liquid-transport pipe-line valve by holding wire and display control
Device processed is connected, and its real-time traffic and valve open-close state are all expressed on display screen, flow transducer and liquid-transport pipe-line valve
Door is connected with electric supply installation by electric lines of force；Described display control unit is made up of display, central processing unit and keyboard,
Display is connected with central processing unit by holding wire, central processing unit by holding wire and pressure transducer, flow transducer,
Negative-pressure pipeline valve, liquid-transport pipe-line valve are connected with keyboard, and keyboard is connected with central processing unit by holding wire, for Denso
Putting and be made up of battery and transformator, transformator passes through electric lines of force and battery, central processing unit, display, keyboard, pressure sensing
Device, flow transducer, negative-pressure pipeline valve and liquid-transport pipe-line valve are powered.
A kind of being rinsed wound surface and the method for negative pressure, described method comprises the steps: 1. to install wound surface contact
Device, is positioned over wound surface surface by foam dressing, and the bigger one side in foam dressing aperture contacts with wound surface, foam dressing aperture
Less one side contacts with pad pasting, and the flow-guiding channel between foam dressing with pad pasting is connected with negative-pressure pipeline, foam dressing
It is connected with liquid-transport pipe-line with the flow-guiding channel between wound surface；2. wound surface device is set to be interrupted flushing-negative pressure mode operation；③
It is open that central processing unit controls liquid-transport pipe-line valve, negative-pressure pipeline valve closing, in liquid storing bag liquid in spring effect and
Entered in wound surface contact device by liquid-transport pipe-line under negative pressure bag and dividing plate action of gravity；4. flow transducer record flows through transfusion
The amount of liquid of pipeline by signal real-time Transmission to central processing unit, when accumulative fluid flow reaches preset value, central authorities process
Device arranges liquid-transport pipe-line valve closing, and infusion liquid is detained in wound surface contact device；5. preset value is reached when wound surface infusion time
Time, negative-pressure pipeline valve is open, and central processing unit starts the timing of Wound-surface negative pressure persistent period, and in wound surface contact device, liquid is negative
Negative pressure bag is entered under pressure effect；6. when the Wound-surface negative pressure persistent period reaches preset value, negative-pressure pipeline valve closing；7. step is repeated
Rapid 3. to step the most 6., until washing wound surface-negative pressure drainage loop ends.
During use, the negative pressure bag of the present invention is placed between waste liquid and liquid storage container top cover and dividing plate, and liquid storing bag is placed in dividing plate
And between container bottom, different according to dividing plate upper and lower surface pressure, dividing plate can move up and down inside container, and work as liquid-transport pipe-line
In the case of valve is open, in liquid storing bag liquid can active infusion in foam dressing；Meanwhile flow sensor is surveyed in real time
Flow rate of liquid in buret road, central processing unit fills by calculating (wound surface groundwater increment=flow × pipeline section amasss) recordable wound surface
Fluence, when irrigating total amount and reaching preset value, central processing unit starts pipeline valve, closes liquid-transport pipe-line.
In technique scheme, described foam dressing, liquid-transport pipe-line valve, transfusion bag is connected by liquid-transport pipe-line.
In technique scheme, described foam dressing, negative-pressure pipeline valve, negative pressure bag is connected by negative-pressure pipeline.
In technique scheme, described pressure transducer, flow transducer, liquid-transport pipe-line valve, negative-pressure pipeline valve,
Display, central processing unit, keyboard, battery is connected by power path with transformator.
In technique scheme, described wound surface contact device is made up of foam dressing and pad pasting, and foam dressing is multilamellar
Polyurethane structural, dressing aperture successively decreases the most successively, and contact wound surface part aperture is 1000 μm, contacts pad pasting part dressing
Aperture is 600 μm, the hard flow-guiding channel of dressing built-in band side opening, and flow-guiding channel is made up of medical ABS resin, and tube wall can tolerate
The pressure of more than 400mmHg, the flow-guiding channel being connected with negative-pressure pipeline is between foam dressing and pad pasting, with liquid-transport pipe-line phase
Flow-guiding channel even is between foam dressing and wound surface.
In technique scheme, described hard flow-guiding channel is positioned at foam dressing central authorities, flow-guiding channel in foam dressing
Quantity more than or equal to 2, flow-guiding channel is connected with liquid-transport pipe-line or negative-pressure pipeline, many identical the leading of liquid flow direction
Circulation road can be connected with one or more liquid-transport pipe-line or negative-pressure pipeline, and the different flow-guiding channel of liquid flow direction can not
It is connected with same liquid-transport pipe-line or negative-pressure pipeline.
In technique scheme, described pad pasting is made up of thermoplastic polyurethane (TPU), can be separated by with the external world by wound surface
Absolutely.
In technique scheme, described liquid flow direction be leave the flow-guiding channel of wound surface successively with negative-pressure pipeline,
Pressure transducer, negative-pressure pipeline valve is connected with negative pressure bag, liquid flow direction be inject wound surface flow-guiding channel successively with
Liquid-transport pipe-line, flow transducer, liquid-transport pipe-line valve is connected with liquid storing bag.
In technique scheme, described negative pressure bag, liquid storing bag is plastic flexible package container, and volume can be according to content liquid
Body volume and change.
In technique scheme, waste liquid and liquid storage container outer wall, top cover and bottom form the most incompressible hard and hold
Device, waste liquid space and liquid storage space total amount keep constant, that the ratio in waste liquid space and liquid storage space irrigates process according to wound surface
Change constantly adjusts.
In technique scheme, the most prefabricated internal super absorbent resin in negative pressure bag and liquid storing bag.
In technique scheme, described liquid-transport pipe-line valve, negative-pressure pipeline valve does not the most contact useless with pressure transducer
Liquid in fluid catheter, liquid-transport pipe-line valve does not the most contact liquid in liquid-transport pipe-line with flow transducer.
In technique scheme, having top cover above described waste liquid and liquid storage container, top cover is detachable, also can pass through buckle
Fixing with container outer wall, container intracavity is smooth, and bore is consistent, and vertical with base plate, dividing plate is positioned in waste liquid and liquid storage container,
Diameter is slightly less than inside diameter of vessel, and dividing plate can move in container internal vertical.
In technique scheme, described waste liquid and the upper and lower two-layer of liquid storage container all have 1 piece of spring, and spring is by high resiliency
Steel are made, and spring outer diameter is identical with dividing plate diameter, can be connected with top board, dividing plate and base plate respectively by buckle, upper strata bullet
Under spring quiescent condition, length is equal to container height, and solid height is equal to the top board spring groove degree of depth, lower floor's spring quiescent condition
Lower length is equal to base plate spring groove depth, and maximum tension height is equal to container height.
In technique scheme, described negative pressure bag, liquid storing bag is respectively positioned in waste liquid and liquid storage container, and negative pressure bag is positioned at appearance
Between device top cover and dividing plate, liquid storing bag is between container bottom and dividing plate.
In technique scheme, described liquid flow direction is to inject on the liquid-transport pipe-line of wound surface, is positioned at wound surface and defeated
Flow transducer is had between liquid pipeline valve；Liquid flow direction is to leave on the negative-pressure pipeline of wound surface, is positioned at wound surface and negative pressure
Pressure transducer is had between pipeline valve.
In technique scheme, pressure receptor, flow transducer, liquid-transport pipe-line valve, negative-pressure pipeline valve, all exist
Running under central controller controls, plant running situation is shown in display, and battery is pressure receptor, flow transducer,
Liquid-transport pipe-line valve, negative-pressure pipeline valve, display, central controller is powered.
The described here central processing unit controlled in device, the equipment such as display is prior art, the present invention simultaneously
The mechanical connection relation of main each several part to be protected, the most just repeats no more the operation principle controlling device.
Wound bed fluid of the present invention actively injects and negative pressure drainage device has the advantage that 1. apparatus structure is novel, passes through
Liquid in transfusion bag is actively entered wound surface with dividing plate action of gravity and contacts in device by spring force, and without using peristaltic pump etc.
Electric device.2. device is easy to carry, and in therapeutic process, negative pressure bag and liquid storing bag can be according to content volume auto-folders, it is to avoid
Liquid storage container volume is vacant.3. plant running is accurate, during infusion liquid enters wound surface contact device by liquid-transport pipe-line, and flow
Sensor coordinates with central processing unit can accurately calculate total amount of liquid.4. device is long for cruising time, in liquid actively filling process
Without using the electric devices such as peristaltic pump, device overall power is low, therefore cruising time is long.5. equipment safety is high, foam dressing
Successively decreasing the most successively in aperture, contributes to wound surface foreign body single-way moving in wound surface contact device；In foam dressing prefabricated
Flow-guiding channel is connected with negative-pressure pipeline and liquid-transport pipe-line respectively, and infusion liquid individual event from bottom to top is flowed, in addition wound surface contact dress
Flow-guiding channel more than more than 2 in putting, and specify that the different flow-guiding channel of liquid flow direction can not be with same tube for transfusion
The way that road or negative-pressure pipeline are connected, is separated wound surface flow in pipes with wound surface drainage pipe, and these measures both contribute to
Avoid wound surface by wound secretion or slough secondary pollution.
Embodiment 1
It is as follows that this device wound surface is interrupted flushing-negative pressure negative pressure pattern carrying out practically flow process: operator passes through keyboard 18 to centre
Reason device 17 sets washing wound surface amount, wound bed fluid retention time, Wound-surface negative pressure persistent period and plant running total time, and device is transported
Row state is shown on display 16, central processing unit 17 starting apparatus total run time timing and wound surface infusion time timing,
Device starts liquid first and injects-close drainage cycle, and liquid-transport pipe-line valve 9 is open, and negative-pressure pipeline valve 8 is closed, liquid storing bag
In 13, liquid enters in foam dressing 2 by liquid-transport pipe-line 4 under spring 23 and dividing plate 12 act on, flow transducer 7 record stream
Through the amount of liquid of liquid-transport pipe-line 4 and by signal real-time Transmission to central processing unit 17, when accumulative fluid flow reaches preset value,
Central processing unit 17 arranges liquid-transport pipe-line valve 9 and cuts out, and infusion liquid is detained in foam dressing 2, infiltrates wound surface 1, when wound surface fills
When the note time reaches preset value, negative-pressure pipeline valve 8 is open, and central processing unit 17 starts the timing of Wound-surface negative pressure persistent period, bubble
In foam dressing 2, liquid enters negative pressure bag 11 under suction function, and pressure receptor 6 detects wound surface pressure and by signal real-time Transmission
To central processing unit 17, when the Wound-surface negative pressure persistent period reaches preset value, central controller 17 arranges negative-pressure pipeline valve 8 and closes
Closing, so far device liquid first injects and closes drainage cycle and terminates.Liquid subsequently injects-closes in drainage cycle, storage
In liquid bag 11, liquid is jointly acted on down being entered by liquid-transport pipe-line 4 at spring 23 elastic force and dividing plate 13 gravity, negative pressure bag 14 gravity
In foam dressing 1, remaining process is consistent with circulation first.When plant running total time reaches preset value, installation's power source is closed.
Embodiment 2
It is as follows that this device wound surface is interrupted negative pressure pattern carrying out practically flow process: operator is set to central processing unit 17 by keyboard 18
Wound-surface negative pressure persistent period, Wound-surface negative pressure intermittent time and plant running total time, plant running state is shown in display 16
On, liquid storing bag 13 spring 23 act under in compressive state, negative pressure bag 11 in volume maximization, central processing unit 17 starting apparatus
Total run time timing and the timing of Wound-surface negative pressure persistent period, liquid-transport pipe-line valve 9 closes, and negative-pressure pipeline valve 8 is open, foam
In dressing 1, liquid enters negative pressure bag 11 under suction function, and pressure receptor 6 detects wound surface pressure by signal real-time Transmission extremely
Central processing unit 17, when the Wound-surface negative pressure persistent period reaches Preset Time, central controller 17 arranges negative-pressure pipeline valve 8 and closes
Close, when the Wound-surface negative pressure intermittent time reaches Preset Time, repeat above-mentioned circulation.Preset value is reached when plant running total time
Time, installation's power source is closed.
Embodiment 3
It is as follows that this device wound surface continues closed negative pressure pattern carrying out practically flow process: operator runs total by keyboard 18 setting device
Time, plant running state and wound surface force value are shown on display 16, and in liquid storing bag 13, liquid is at spring 23 and dividing plate 12
In compressive state under effect, negative pressure bag 11 in volume maximization, central processing unit 17 starting apparatus total run time timing, transfusion
Pipeline valve 9 is closed, and negative-pressure pipeline valve 8 is open, and in foam dressing 2, liquid enters negative pressure bag 11, pressure under suction function
Sensor 6 detects wound surface pressure and by signal real-time Transmission to central processing unit 17.Preset value is reached when plant running total time
Time, installation's power source is closed.
Wherein, waste liquid and liquid storage container top are provided with negative pressure bag, and bottom is provided with liquid storing bag, described negative pressure bag and liquid storing bag
Between isolated by mobilizable dividing plate, the rectangular triangle of described waste liquid and liquid storage container dividing plate cross section, upper surface
Parallel parallel with container top board lower surface, for the right-angle side that right angled triangle is longer, lower surface is parallel with container floor upper surface,
For hypotenuse；This structure, so that liquid storing bag is by crushing failure at high speed, goes out liquid the most evenly, and in liquid storing bag, liquid is residual
Stay less.Being connected by negative-pressure pipeline between foam dressing Inner guide passage and negative pressure bag, negative-pressure pipeline connects has pressure to pass
Sensor and negative-pressure pipeline valve；It is connected by liquid-transport pipe-line, on liquid-transport pipe-line between foam dressing Inner guide passage and liquid storing bag
Connect and have flow transducer and liquid-transport pipe-line valve.
Wherein in wound surface contact device, foam dressing is multilayer polyurethane structure, successively decreases the most successively in dressing aperture,
Contact wound surface part aperture is 1000 μm, and contact pad pasting part dressing aperture is 600 μm, the hard water conservancy diversion of dressing built-in band side opening
Passage, flow-guiding channel is made up of medical ABS resin, and tube wall can tolerate the pressure of more than 600mmHg, and flow-guiding channel is positioned at foam and applies
Between material and pad pasting, flow-guiding channel is connected with negative-pressure pipeline or liquid-transport pipe-line；Wound surface pad pasting is made by thermoplastic polyurethane (TPU)
Become, can be by wound surface and external environment.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
The present invention is embodied as being confined to these explanations above-mentioned.For general technical staff of the technical field of the invention,
Without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention
Protection domain.
Claims (9)
1. a washing wound surface and negative pressure drainage device, it is characterised in that: described device is contacted device by wound surface, irrigates and negative
Pressure device, display control unit and electric supply installation are formed by connecting；Wound surface contact device is made up of foam dressing and flow-guiding channel；Fill
Note and negative pressure device are by waste liquid and liquid storage container, negative pressure bag, liquid storing bag, waste liquid and liquid storage container, dividing plate, spring, pressure sensing
Device, flow transducer, negative-pressure pipeline, liquid-transport pipe-line, negative-pressure pipeline valve and liquid-transport pipe-line valve composition；Display control unit by
Display and central processing unit are constituted；Electric supply installation is made up of battery.
A kind of washing wound surface the most according to claim 1 and negative pressure drainage device, it is characterised in that: described wound surface contact
Device is made up of foam dressing and pad pasting, and foam dressing is multilayer polyurethane structure, and successively decreasing the most successively in dressing aperture, connects
Touching wound surface part aperture is 1000 μm, and contact pad pasting part dressing aperture is 600 μm, and the hard water conservancy diversion of dressing built-in band side opening leads to
Road, flow-guiding channel is made up of medical ABS resin, and tube wall can tolerate the pressure of more than 400mmHg, the water conservancy diversion being connected with negative-pressure pipeline
Passage is between foam dressing and pad pasting, and the flow-guiding channel being connected with liquid-transport pipe-line, between foam dressing and wound surface, pastes
Film is made up of thermoplastic polyurethane (TPU), can be by wound surface and external environment.
A kind of washing wound surface the most according to claim 1 and negative pressure drainage device, it is characterised in that: waste liquid and liquid storage container
It is a cylindrical shape clear hard container, is made up of polyethylene, for detachably to connect between top cover and base plate and the vessel of container
Connecing, top cover also can be connected with container body by buckle with base plate, container cap and the most built-in cannelure of base plate, for connect and
Accommodating spring, container top board longitudinal section is rectangle, and container floor longitudinal section is right angled triangle；
Having circular hard dividing plate in container, dividing plate is polyethylene, and dividing plate upper and lower surface all presets buckle, and buckle can be connected with spring
Connecing, dividing plate diameter is less than inside diameter of vessel, can move in container internal vertical, and the rectangular triangle in dividing plate cross section, upper surface is parallel
In the lower surface of container top board, lower surface is parallel with container floor upper surface, for hypotenuse；The upper and lower two-layer of container
All having 1 piece of spring, spring is made up of high resiliency steel, and spring outer diameter is identical with dividing plate diameter, can by buckle respectively with top board,
Dividing plate is connected with base plate, and under the spring quiescent condition of upper strata, length is equal to container height, and solid height is equal to top board spring
Groove depth, under lower floor's spring quiescent condition, length is equal to base plate spring groove depth, and maximum tension height is equal to container height；Negative pressure
Bag is positioned at container upper strata, is made up of medical grade polrvinyl chloride, for disposable folding structure, is positioned at the inside of spring hollow, negative
In bag pressing, next top has buckle to be connected with container cap and dividing plate respectively, and negative pressure bag top is provided with inlet, and inlet passes through
Top cover is reserved hole and is connected with negative-pressure pipeline, and negative-pressure pipeline connects pressure transducer and negative-pressure pipeline valve, and pressure passes
Sensor is connected with display control unit by holding wire with negative-pressure pipeline valve, and pressure transducer and negative-pressure pipeline valve pass through
Electric lines of force is connected with electric supply installation；Liquid storing bag is disposable Collapsible soft structure, is positioned at container lower floor, by high score
Sub-polypropylene is made, and liquid storing bag bottom is connected with liquid-transport pipe-line, and liquid-transport pipe-line connects flow transducer and liquid-transport pipe-line valve
Door, flow transducer is connected with display control unit by holding wire with liquid-transport pipe-line valve, flow transducer and tube for transfusion
Road valve is connected with electric supply installation by electric lines of force.
A kind of washing wound surface the most according to claim 1 and negative pressure drainage device, it is characterised in that: described display controls
Device is made up of display, central processing unit and keyboard, and display is connected with central processing unit by holding wire, central processing unit
It is connected with pressure transducer, flow transducer, negative-pressure pipeline valve, liquid-transport pipe-line valve and keyboard by holding wire, keyboard
It is connected with central processing unit by holding wire.
A kind of washing wound surface the most according to claim 1 and negative pressure drainage device, it is characterised in that: described electric supply installation
Be made up of battery and transformator, transformator pass through electric lines of force and battery, central processing unit, display, keyboard, pressure transducer,
Flow transducer, negative-pressure pipeline valve and liquid-transport pipe-line valve are powered.
6. method wound surface being irrigated or close drain, it is characterised in that: described method comprises the steps:
1. installing wound surface contact device, foam dressing is positioned over wound surface surface, the bigger one side in foam dressing aperture connects with wound surface
Touching, the less one side in foam dressing aperture contacts with pad pasting, the flow-guiding channel between foam dressing and pad pasting and negative-pressure pipeline
Being connected, the flow-guiding channel between foam dressing with wound surface is connected with liquid-transport pipe-line；2. arrange wound surface device be interrupted rinse-
Negative pressure mode operation；3. central processing unit control liquid-transport pipe-line valve is open, and negative-pressure pipeline valve closing, in liquid storing bag, liquid exists
Spring effect is contacted in device by liquid-transport pipe-line entrance wound surface with under negative pressure bag and dividing plate action of gravity；4. flow sensing
Device record flows through the amount of liquid of liquid-transport pipe-line and by signal real-time Transmission to central processing unit, when accumulative fluid flow reaches default
During value, central processing unit arranges liquid-transport pipe-line valve closing, and infusion liquid is detained in wound surface contact device；5. when wound surface irrigates
Between when reaching preset value, negative-pressure pipeline valve is open, and central processing unit starts the timing of Wound-surface negative pressure persistent period, wound surface contact dress
Put liquid under suction function, enter negative pressure bag；6. when the Wound-surface negative pressure persistent period reaches preset value, negative-pressure pipeline valve
Close；7. step is repeated 3. to step 6., until washing wound surface-negative pressure drainage loop ends.
A kind of method wound surface being irrigated or close drain the most according to claim 6, it is characterised in that: described
Device contacted device by wound surface, perfusion and negative pressure device, display control unit and electric supply installation are formed by connecting；Wound surface contact dress
Put and be made up of foam dressing and flow-guiding channel；Perfusion and negative pressure device are by waste liquid and liquid storage container, negative pressure bag, liquid storing bag, waste liquid
And liquid storage container, dividing plate, spring, pressure transducer, flow transducer, negative-pressure pipeline, liquid-transport pipe-line, negative-pressure pipeline valve and defeated
Liquid pipeline valve forms；Display control unit is made up of display and central processing unit；Electric supply installation is made up of battery；
Described wound surface contact device is made up of foam dressing and pad pasting, and foam dressing is multilayer polyurethane structure, dressing aperture
Successively decreasing the most successively, contact wound surface part aperture is 1000 μm, and contact pad pasting part dressing aperture is 600 μm, in dressing
Putting the hard flow-guiding channel of band side opening, flow-guiding channel is made up of medical ABS resin, and tube wall can tolerate the pressure of more than 400mmHg,
The flow-guiding channel being connected with negative-pressure pipeline is between foam dressing and pad pasting, and the flow-guiding channel being connected with liquid-transport pipe-line is positioned at bubble
Between foam dressing and wound surface, pad pasting is made up of thermoplastic polyurethane (TPU), can be by wound surface and external environment.
A kind of method wound surface being irrigated or close drain the most according to claim 6, it is characterised in that: waste liquid
And liquid storage container is a cylindrical shape clear hard container, it is made up of polyethylene, between top cover and base plate and the vessel of container
For removably connecting, top cover also can be connected with container body by buckle with base plate, container cap and the most built-in cannelure of base plate,
For connecting and accommodate spring, container top board longitudinal section is rectangle, and container floor longitudinal section is right angled triangle；
Having circular hard dividing plate in container, dividing plate is polyethylene, and dividing plate upper and lower surface all presets buckle, and buckle can be connected with spring
Connecing, dividing plate diameter is less than inside diameter of vessel, can move in container internal vertical, and the rectangular triangle in dividing plate cross section, upper surface is parallel
In the lower surface of container top board, lower surface is parallel with container floor upper surface, for hypotenuse；The upper and lower two-layer of container
All having 1 piece of spring, spring is made up of high resiliency steel, and spring outer diameter is identical with dividing plate diameter, can by buckle respectively with top board,
Dividing plate is connected with base plate, and under the spring quiescent condition of upper strata, length is equal to container height, and solid height is equal to top board spring
Groove depth, under lower floor's spring quiescent condition, length is equal to base plate spring groove depth, and maximum tension height is equal to container height, negative pressure
Bag is positioned at container upper strata, is made up of medical grade polrvinyl chloride, for disposable folding structure, is positioned at the inside of spring hollow, negative
In bag pressing, next top has buckle to be connected with container cap and dividing plate respectively, and negative pressure bag top is provided with inlet, and inlet passes through
Top cover is reserved hole and is connected with negative-pressure pipeline, and negative-pressure pipeline connects pressure transducer and negative-pressure pipeline valve, and pressure passes
Sensor is connected with display control unit by holding wire with negative-pressure pipeline valve, and pressure transducer and negative-pressure pipeline valve pass through
Electric lines of force is connected with electric supply installation；Liquid storing bag is disposable Collapsible soft structure, is positioned at container lower floor, by high score
Sub-polypropylene is made, and liquid storing bag bottom is connected with liquid-transport pipe-line, and liquid-transport pipe-line connects flow transducer and liquid-transport pipe-line valve
Door, flow transducer is connected with display control unit by holding wire with liquid-transport pipe-line valve, flow transducer and tube for transfusion
Road valve is connected with electric supply installation by electric lines of force.
A kind of method wound surface being irrigated or close drain the most according to claim 6, it is characterised in that: described
Display control unit be made up of display, central processing unit and keyboard, display is connected with central processing unit by holding wire,
Central processing unit passes through holding wire and pressure transducer, flow transducer, negative-pressure pipeline valve, liquid-transport pipe-line valve and keyboard phase
Connecting, keyboard is connected with central processing unit by holding wire；Described electric supply installation is made up of battery and transformator, transformator
By electric lines of force and battery, central processing unit, display, keyboard, pressure transducer, flow transducer, negative-pressure pipeline valve and
Liquid-transport pipe-line valve is powered.
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| CN201610520295.4A CN106039450B (en) | 2016-07-05 | 2016-07-05 | Wound surface flushing and negative pressure drainage device and use method thereof |
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| CN201610520295.4A CN106039450B (en) | 2016-07-05 | 2016-07-05 | Wound surface flushing and negative pressure drainage device and use method thereof |
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| CN108671368A (en) * | 2018-06-15 | 2018-10-19 | 合肥德捷节能环保科技有限公司 | Medicinal chemical sprayer on a kind of Respiratory Medicine |
| CN109795140A (en) * | 2019-02-25 | 2019-05-24 | 山东吉威医疗制品有限公司 | A kind of liquid dispersion infuser device |
| CN110694133A (en) * | 2019-09-19 | 2020-01-17 | 深圳圣诺医疗设备股份有限公司 | Control method of medical lavage system |
| RU2734442C2 (en) * | 2018-10-02 | 2020-10-16 | Общество с ограниченной ответственностью "ВИТ МЕДИКАЛ" | Device for treating infected and purulent wounds |
| CN111821872A (en) * | 2020-06-02 | 2020-10-27 | 中国辐射防护研究院 | Movable decontamination foam generating device |
| CN112245675A (en) * | 2020-11-05 | 2021-01-22 | 武汉维斯第医用科技股份有限公司 | Can realize surface of a wound and wash flow control's negative pressure drainage equipment |
| CN113134118A (en) * | 2021-04-30 | 2021-07-20 | 吉林大学 | Neurosurgery postoperative drainage nursing device |
| CN117426919A (en) * | 2023-12-14 | 2024-01-23 | 佳木斯大学 | Wearable cerebral palsy patient oral liquid collecting device |
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| CN108671368A (en) * | 2018-06-15 | 2018-10-19 | 合肥德捷节能环保科技有限公司 | Medicinal chemical sprayer on a kind of Respiratory Medicine |
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| CN113134118A (en) * | 2021-04-30 | 2021-07-20 | 吉林大学 | Neurosurgery postoperative drainage nursing device |
| CN113134118B (en) * | 2021-04-30 | 2022-03-04 | 吉林大学 | Neurosurgery postoperative drainage nursing device |
| CN117426919A (en) * | 2023-12-14 | 2024-01-23 | 佳木斯大学 | Wearable cerebral palsy patient oral liquid collecting device |
| CN117426919B (en) * | 2023-12-14 | 2024-03-12 | 佳木斯大学 | Wearable cerebral palsy patient oral liquid collecting device |
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