CN209187695U - A kind of negative pressure device of dual-mode - Google Patents
A kind of negative pressure device of dual-mode Download PDFInfo
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- CN209187695U CN209187695U CN201821848036.5U CN201821848036U CN209187695U CN 209187695 U CN209187695 U CN 209187695U CN 201821848036 U CN201821848036 U CN 201821848036U CN 209187695 U CN209187695 U CN 209187695U
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- negative pressure
- negative tube
- vacuum pump
- branch pipe
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Abstract
The utility model discloses a kind of negative pressure devices of dual-mode, including shell, vacuum pump, the first negative tube, controller, operation button and display screen；Inside the housing, operation button and display screen are arranged in case surface for vacuum pump and controller setting；Vacuum pump includes motor and air exhaust nozzle；The front end of first negative tube is connect with hose coupling, and tail end is connect with air exhaust nozzle；First negative tube is communicated with detection branch pipe, is detected and is provided with B/P EGR Back Pressure Transducer EGR on branch pipe；Controller is connect with display screen, operation button, motor and B/P EGR Back Pressure Transducer EGR.The negative pressure device of the utility model can be realized two kinds of working methods of the negative pressure drainage of continuous negative pressure drainage and manual mode.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of negative pressure device of dual-mode.
Background technique
Negative pressure wound surface treatment technology is a kind of technology suitable for Wound healing and bone regeneration, the surface of a wound can be promoted to cure.Vacuum suction
Cell membrane is acted on, is allowed to expand, distort, cell is taken as damaging, and the information of conduction impairment is turned to nucleus by signal
It changes, causes healing growth factor before cell secretion, including the vascular proliferation factor, so that tissue be stimulated to produce more new green bloods
Pipe.Vacuum suction siphons away exudation from the surface of a wound, and help establishes wound bed fluid balance, provides a wet environment, removes downright bad group
It knits, while reducing the bacterial number of the surface of a wound, mitigate oedema, increase surface of a wound blood flow, by increasing capillary filling.
Existing negative pressure device often only one operating mode when in use continuous operation mode or operates intermittently
Mode.The mode of operating intermittently is that vacuum is aspirated by intermittent mode, and usually fixed time intervals are by vacuum pump work a few minutes
Clock.If wound poor sealing, can gas leakage so that B/P EGR Back Pressure Transducer EGR or vacuum table detection vacuum degree reduce.When
In the case where there is vacuum degree reduction, medical worker needs to observe this case in time, and then carries out again to patient wound
Processing.It is carried out according to the mode that vacuum pump aspirates always, this belongs to continous way, and this mode is since vacuum pump is always in work
Make, unless occurring outside biggish leak case, the data that generally vacuum table or sensor can be made to detect are constantly in stabilization
Numerical value.Therefore good detection can not be played to lesser leakage in this way.Such as leakproofness is poor at patient wound, still
Medical worker can not learn the situation, because it observes that the vacuum degree of detection is up to standard.However the appearance of this case
It is to aspirate the problem of actually leakproofness difference that masks always due to vacuum pump, is actually unsealing at such patient wound
, this is unfavorable to the treatment of wound.
Utility model content
The purpose of the utility model is to provide a kind of negative pressure devices of novel dual-mode.
In order to achieve the above object, providing a kind of negative pressure device of dual-mode in one embodiment of the utility model, wrap
Include shell, vacuum pump, the first negative tube, controller, operation button and display screen；Vacuum pump and controller setting are inside the shell
Portion, operation button and display screen are arranged in case surface；
Vacuum pump includes motor and air exhaust nozzle；Operation button includes the continuous work key for being used to indicate motor continuous work
And manual mode working key；
The front end of first negative tube is connect with hose coupling, and tail end is connect with air exhaust nozzle；
First negative tube is communicated with detection branch pipe, is detected and is provided with B/P EGR Back Pressure Transducer EGR on branch pipe；
Controller is connect with display screen, operation button, motor and B/P EGR Back Pressure Transducer EGR；The work of controller control motor is opened
Stop state and receives the instruction of operation button；The vacuum degree parameter that B/P EGR Back Pressure Transducer EGR obtains is shown on a display screen.
Preferably, vacuum pump is minipump, and vacuum pump is fixed inside the housing by bolt or buckle.
Preferably, the first check valve is provided on the first negative tube, the first check valve is the first negative tube to vacuum pump side
To single-pass；The 4th check valve is provided on detection branch pipe；4th check valve is detection branch pipe to B/P EGR Back Pressure Transducer EGR direction single-pass, the
Four check valves are for preventing the air-flow of B/P EGR Back Pressure Transducer EGR one end from blowing back into the first negative tube.
Preferably, for hose coupling for extraneous sebific duct to be connected to the first negative tube, hose coupling is fixed inside the housing,
The front end of hose coupling has an interface for connecting with extraneous sebific duct, and the interface of rear end with the first negative tube for connecting.
Preferably, shell includes upper housing and lower case；Vacuum pump, controller, the first negative tube and hose coupling are solid
It is scheduled in lower case；Display screen and operation button are arranged on upper housing；Upper housing is arranged by bolt or buckle in lower casing
Lower case is closed above body.
The utility model additionally provides a kind of negative pressure device of dual-mode, including shell, vacuum pump, manually vacuumizes
Manual negative pressure device, the first negative tube, the second negative tube, negtive-pressure implement branch pipe, detection branch pipe, controller and operation button；
The front end of first negative tube, the second negative tube and detection branch pipe is interconnected by hose coupling；Hose coupling court
It is used to connect with extraneous sebific duct to the interface of outer side of shell；
Vacuum pump includes motor and air exhaust nozzle；The tail end of first negative tube is connect with air exhaust nozzle；The tail end of second negative tube
It is connect with Manual negative pressure device；
Second one-way valve is provided on second negative tube；Negtive-pressure implement branch pipe is connected on second negative tube, on negtive-pressure implement branch pipe
It is provided with third check valve；Second one-way valve is fluid from the second negative tube to Manual negative pressure device direction single-pass, third check valve
For Manual negative pressure device to negtive-pressure implement branch pipe direction single-pass；Fluid is entered in Manual negative pressure device by second one-way valve, Manual negative pressure
Fluid in device is discharged by third check valve；
It is provided with B/P EGR Back Pressure Transducer EGR on detection branch pipe, controller is connect with operation button, motor and B/P EGR Back Pressure Transducer EGR；Control
The work start and stop state of device control motor processed and the instruction for receiving operation button.
Preferably, display screen is provided on shell, display screen is connect for showing B/P EGR Back Pressure Transducer EGR detection with controller
Vacuum degree parameter；Operation button is used to control the switch of motor；
Preferably, interior of shell has partition, and the side of partition is for installing Manual negative pressure device, the second negative tube, detection
Branch pipe and hose coupling, the other side of partition is for fixing vacuum pump and controller；Through-hole is provided on partition, for the
One negative tube passage is connect with hose coupling.
Preferably, Manual negative pressure device is piston type negtive-pressure implement, and piston type negtive-pressure implement includes ontology and piston rod, and ontology is fixed
Inside the housing, the tail end handle portion of piston rod extends to outer side of shell.
Preferably, the first check valve is provided on the first negative tube, the first check valve is the first negative tube to vacuum pump side
To single-pass；The 4th check valve is provided on detection branch pipe, the 4th check valve is detection branch pipe to B/P EGR Back Pressure Transducer EGR direction single-pass, the
Four check valves are for preventing the air-flow of B/P EGR Back Pressure Transducer EGR one end from blowing back into the first negative tube.
In conclusion the utility model has the advantage that
The negative pressure device of the utility model can adjust negative pressure treatment mode by motor or Manual negative pressure device, can
Enough realize the working method of continuous negative pressure drainage and manual mode negative pressure drainage.The working method of continuous negative pressure drainage refers to vacuum pump
It is constantly in working condition, suction forms vacuum always；The working method of manual mode negative pressure drainage is Manual press manual mode behaviour
Make button or aspirates to form vacuum using Manual negative pressure device.After being pressed using the manual mode of operation key of vacuum pump, very
Sky pump starts to aspirate, and after unclamping manual mode of operation key, vacuum pump stops working；The key is played to be opened similar to vacuum pump
The effect of pass.Either manual mode of operation is to need by key control vacuum pump work a period of time or the suction of Manual negative pressure device
It is manually operated, stops suction after aspirating a period of time, in this process, if unclamping key or not continue pull manual
Negtive-pressure implement, suction stop at once.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of negative pressure device in the utility model one embodiment；
Fig. 2 is the outside schematic diagram of negative pressure device in the utility model one embodiment；
Fig. 3 is the schematic diagram of internal structure of negative pressure device in another embodiment of the utility model.
Wherein, the letter CPU that abridges in figure indicates that controller, abbreviation letter PT indicate that B/P EGR Back Pressure Transducer EGR, abbreviation P1 are first
Check valve, P2 are second one-way valve, and P3 is third check valve, and P4 is the 4th check valve.
Wherein, 1, shell；2, vacuum pump；3, the first negative tube；4, the second negative tube；5, operation button；6, display screen；7,
Air exhaust nozzle；8, hose coupling；9, branch pipe is detected；10, B/P EGR Back Pressure Transducer EGR；11, extraneous sebific duct；12, Manual negative pressure device；13, negative pressure
Device branch pipe；14, exhaust nozzle；15, piston rod.
Specific embodiment
With reference to Fig. 1 and Fig. 2, the utility model provides a kind of negative pressure device of dual-mode, including shell 1, vacuum pump
2, the first negative tube 3, controller, operation button 5 and display screen 6.Inside the housing, operation is pressed for vacuum pump and controller setting
Key and display screen are arranged in case surface.
Shell, which is mainly used for fixed other component or electronic equipment, vacuum pump, can use existing any a body
The lesser vacuum pump of product, such as vacuum pump are minipump, and vacuum pump can also be fixed on shell by bolt or buckle
It is internal.Vacuum pump includes motor, exhaust nozzle 14 and air exhaust nozzle 7；Motor provides the power vacuumized, what exhaust nozzle was used to be extracted into
Fluid be discharged in vacuum pump can cyclic suction, exhaust nozzle can configure an installation exhaust pipe inside the shell or row
Gas connector, exhaust pipe direct air flow out shell.
Operation button 5 includes the continuous work key and manual mode working key for being used to indicate motor continuous work；It is existing
Having the control of the motor of technology intermediate pump can be adjusted according to the needs, and the utility model selects tool when selecting vaccum pump unit
There is the vacuum pump for manually booting work and continuous work, this kind of vacuum pump itself is with continuous work key and manually boots
Working key, therefore can directly buy similar products carry out using.
With reference to such as Fig. 1, the front end of the first negative tube is connect with hose coupling 8, and tail end is connect with air exhaust nozzle；First negative tube
It is communicated with detection branch pipe, is provided with B/P EGR Back Pressure Transducer EGR 10 in detection branch 9.Hose coupling can choose tee tube, and the one of tee tube
A interface is connect with extraneous sebific duct 11, other two interface is connect with detection branch pipe and the first negative tube.If hose coupling selects
Two siphunculus is selected, only there are two interfaces, detect branch pipe at this time and are directly accessed the first negative tube.
Controller is electrically connected with display screen, operation button, motor and B/P EGR Back Pressure Transducer EGR；The work of controller control motor
Start and stop state and the instruction for receiving operation button；The vacuum degree parameter that B/P EGR Back Pressure Transducer EGR obtains is shown on a display screen.
In addition, being provided with the first check valve on the first negative tube, the first check valve is the first negative tube to vacuum pump direction
Single-pass, can be to avoid vacuum pump blow-by gas recirculation.The 4th check valve is provided on detection branch pipe；4th check valve is to detect branch pipe extremely
B/P EGR Back Pressure Transducer EGR direction single-pass, the 4th check valve is for preventing the air-flow of B/P EGR Back Pressure Transducer EGR one end from blowing back into the first negative tube.
Hose coupling is for extraneous sebific duct to be connected to the first negative tube, and hose coupling is fixed inside the housing, and hose connects
The front end of head has an interface for connecting with extraneous sebific duct, and the interface of rear end with the first negative tube for connecting.Extraneous glue
Pipe be directly with contact or seal one at patient wound, formed and sealed generally by thinfilms at patient wound,
Inside extraneous sebific duct insertion film, the gas of wound is sucked from extraneous sebific duct.Hose coupling can be
Two-way pipe fitting or tee pipe coupling.
One of prioritization scheme of the utility model, shell include upper housing and lower case；It is vacuum pump, controller, first negative
Pressure pipe and hose coupling are fixed in lower case；Display screen and operation button are arranged on upper housing；Upper housing passes through bolt
Or buckle setting closes lower case above lower case.
The utility model realizes the manual mode work and continuous work of vacuum pump by control operation button.For example,
During carrying out negative pressure treatment daytime, vacuum pump can be allowed using manual mode working method, directly pressed when in use in this way
Manual mode working key presses rear vacuum pump and starts to aspirate, can aspirate 5min every time, and then unclamping can stop grasping
Make.During carrying out negative pressure treatment at night, in order to reduce the labor intensity of medical worker, continuous operation mode can be opened,
It allows vacuum pump to aspirate always, forms vacuum.
Specifically, opening vacuum pump, the gas of patient wound is along extraneous glue after extraneous sebific duct is connect with hose coupling
Pipe, hose coupling, the first negative tube are entered in vacuum pump and are discharged, so that foring negative pressure state at patient wound.
No matter select tee tube or two siphunculus, detection branch pipe is communicated with the first negative tube, can vacuum degree to whole system into
Row detection.
With reference to Fig. 3, the invention also discloses a kind of negative pressure device of dual-mode, including shell, vacuum pump, manually
Manual negative pressure device, the first negative tube, the second negative tube, negtive-pressure implement branch pipe 13, detection branch pipe, controller and the operation vacuumized
Key.
The front end of first negative tube, the second negative tube and detection branch pipe is interconnected by hose coupling；Hose coupling court
It is used to connect with extraneous sebific duct to the interface of outer side of shell；Vacuum pump includes motor and air exhaust nozzle；The tail end of first negative tube with
Air exhaust nozzle connection；The tail end of second negative tube is connect with Manual negative pressure device.Hose coupling can be four-way union.
Second one-way valve is provided on second negative tube 4；Negtive-pressure implement branch pipe is connected on second negative tube, on negtive-pressure implement branch pipe
It is provided with third check valve；Second one-way valve is fluid from the second negative tube to Manual negative pressure device direction single-pass, third check valve
For Manual negative pressure device to negtive-pressure implement branch pipe direction single-pass；Fluid is entered in Manual negative pressure device 12 by second one-way valve, negative manually
Fluid in depressor is discharged by third check valve；
It is provided with B/P EGR Back Pressure Transducer EGR on detection branch pipe, controller is connect with operation button, motor and B/P EGR Back Pressure Transducer EGR；Control
The work start and stop state of device control motor processed and the instruction for receiving operation button.
Display screen is provided on shell, display screen connect the vacuum degree ginseng for showing B/P EGR Back Pressure Transducer EGR detection with controller
Number；Operation button is used to control the switch of motor.
Interior of shell has a partition, the side of partition for install Manual negative pressure device, the second negative tube, detection branch pipe and
Hose coupling, the other side of partition is for fixing vacuum pump and controller；It is provided with through-hole on partition, is used for the first negative tube
Passage is connect with hose coupling.
Manual negative pressure device is piston type negtive-pressure implement, and piston type negtive-pressure implement includes ontology and piston rod, and ontology is fixed on shell
The tail end handle portion of inside, piston rod 15 extends to outer side of shell.Outside is extended in order to facilitate piston rod, it can be in surgery
On open up corresponding hole.
The first check valve is provided on first negative tube, the first check valve is the first negative tube to vacuum pump direction single-pass；
The 4th check valve is provided on detection branch pipe, the 4th check valve is that detection branch pipe is unidirectional to B/P EGR Back Pressure Transducer EGR direction single-pass, the 4th
Valve is for preventing the air-flow of B/P EGR Back Pressure Transducer EGR one end from blowing back into the first negative tube.
The utility model can realize continous way or manual mode suction by the selection of vacuum pump and Manual negative pressure device
The model selection of vacuum.For example, closing vacuum pump when needing suction manually, the piston rod of Manual negative pressure device is pulled, it is living
Negative pressure is formed in wound after drawing outside stopper rod, then can also push back piston rod, the air of negtive-pressure implement is allowed to arrange from negtive-pressure implement branch pipe
Out, and then piston rod, negative pressure value required for being formed can back and forth be pulled.When selecting continuous mode, vacuum pump is opened
?.
Although being described in detail in conjunction with attached drawing to specific embodiment of the present utility model, should not be construed as pair
The restriction of the protection scope of this patent.In range described by claims, those skilled in the art are without creative labor
The dynamic various modifications that can be made and deformation still belong to the protection scope of this patent.
Claims (10)
1. a kind of negative pressure device of dual-mode, it is characterised in that: including shell, vacuum pump, the first negative tube, controller, behaviour
Make key and display screen；Inside the housing, operation button and display screen are arranged in shell for the vacuum pump and controller setting
Surface；
The vacuum pump includes motor and air exhaust nozzle；The operation button includes being used to indicate the continuous work of motor continuous work
Key and manual mode working key；
The front end of first negative tube is connect with hose coupling, and tail end is connect with air exhaust nozzle；
First negative tube is communicated with detection branch pipe, is detected and is provided with B/P EGR Back Pressure Transducer EGR on branch pipe；
The controller is connect with display screen, operation button, motor and B/P EGR Back Pressure Transducer EGR；The work of the controller control motor
Make start and stop state and receives the instruction of operation button；The vacuum degree parameter that B/P EGR Back Pressure Transducer EGR obtains is shown on a display screen.
2. the negative pressure device of dual-mode as described in claim 1, it is characterised in that: the vacuum pump is minipump,
Vacuum pump is fixed inside the housing by bolt or buckle.
3. the negative pressure device of dual-mode as described in claim 1, it is characterised in that: be provided on first negative tube
One check valve, the first check valve are the first negative tube to vacuum pump direction single-pass；It is unidirectional that the 4th is provided on the detection branch pipe
Valve；4th check valve is detection branch pipe to B/P EGR Back Pressure Transducer EGR direction single-pass, and the 4th check valve is for preventing B/P EGR Back Pressure Transducer EGR
The air-flow of one end blows back into the first negative tube.
4. the negative pressure device of dual-mode as described in claim 1, it is characterised in that: the hose coupling is used for extraneous glue
Pipe be connected to the first negative tube, and hose coupling is fixed inside the housing, the front end of hose coupling with an interface for it is outer
The connection of boundary's sebific duct, the interface of rear end with the first negative tube for connecting.
5. the negative pressure device of dual-mode as described in claim 1, it is characterised in that: the shell includes upper housing and lower casing
Body；The vacuum pump, controller, the first negative tube and hose coupling are fixed in lower case；The display screen and operation are pressed
Key is arranged on upper housing；Upper housing is arranged above lower case by bolt or buckle closes lower case.
6. a kind of negative pressure device of dual-mode, it is characterised in that: including shell, vacuum pump, the manually Manual negative pressure that vacuumizes
Device, the first negative tube, the second negative tube, negtive-pressure implement branch pipe, detection branch pipe, controller and operation button；
The front end of first negative tube, the second negative tube and detection branch pipe is interconnected by hose coupling；Hose coupling court
It is used to connect with extraneous sebific duct to the interface of outer side of shell；
The vacuum pump includes motor and air exhaust nozzle；The tail end of first negative tube is connect with air exhaust nozzle；Second negative tube
Tail end is connect with Manual negative pressure device；
Second one-way valve is provided on second negative tube；Negtive-pressure implement branch pipe, negtive-pressure implement branch are connected on second negative tube
Third check valve is provided on pipe；The second one-way valve is fluid from the second negative tube to Manual negative pressure device direction single-pass, institute
Third check valve is stated as Manual negative pressure device to negtive-pressure implement branch pipe direction single-pass；Fluid enters Manual negative pressure device by second one-way valve
Interior, the fluid in Manual negative pressure device is discharged by third check valve；
B/P EGR Back Pressure Transducer EGR is provided on the detection branch pipe, the controller and operation button, motor and B/P EGR Back Pressure Transducer EGR connect
It connects；The work start and stop state of the controller control motor and the instruction for receiving operation button.
7. the negative pressure device of dual-mode as claimed in claim 6, it is characterised in that: it is provided with display screen on the shell,
Display screen connect the vacuum degree parameter for showing B/P EGR Back Pressure Transducer EGR detection with controller；The operation button is for controlling motor
Switch.
8. the negative pressure device of dual-mode as claimed in claim 6, it is characterised in that: the interior of shell has partition, every
The side of plate is for installing Manual negative pressure device, the second negative tube, detection branch pipe and hose coupling, and the other side of partition is for solid
Determine vacuum pump and controller；It is provided with through-hole on the partition, is connect for the first negative tube passage with hose coupling.
9. the negative pressure device of dual-mode as claimed in claim 6, it is characterised in that: the Manual negative pressure device is negative for piston type
Depressor, piston type negtive-pressure implement include ontology and piston rod, and the ontology is fixed inside the housing, the tail end handle of the piston rod
Extend partially into outer side of shell.
10. the negative pressure device of dual-mode as claimed in claim 6, it is characterised in that: be provided on first negative tube
First check valve, the first check valve are the first negative tube to vacuum pump direction single-pass；It is single that the 4th is provided on the detection branch pipe
To valve, the 4th check valve is detection branch pipe to B/P EGR Back Pressure Transducer EGR direction single-pass, and the 4th check valve is for preventing negative pressure from sensing
The air-flow of device one end blows back into the first negative tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848036.5U CN209187695U (en) | 2018-11-11 | 2018-11-11 | A kind of negative pressure device of dual-mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848036.5U CN209187695U (en) | 2018-11-11 | 2018-11-11 | A kind of negative pressure device of dual-mode |
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| Publication Number | Publication Date |
|---|---|
| CN209187695U true CN209187695U (en) | 2019-08-02 |
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ID=67411078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821848036.5U Active CN209187695U (en) | 2018-11-11 | 2018-11-11 | A kind of negative pressure device of dual-mode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507869A (en) * | 2019-09-19 | 2019-11-29 | 刘正岭 | A kind of Portable Chinese medicine respiratory tract phlegm sucking equipment for paediatrics |
| CN111282048A (en) * | 2020-03-03 | 2020-06-16 | 四川省第四人民医院 | Automatic suction tube |
| CN111472969A (en) * | 2020-05-26 | 2020-07-31 | 林喜彬 | Vacuum pump with performance attenuation early warning function and application of vacuum pump in oiling machine |
-
2018
- 2018-11-11 CN CN201821848036.5U patent/CN209187695U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507869A (en) * | 2019-09-19 | 2019-11-29 | 刘正岭 | A kind of Portable Chinese medicine respiratory tract phlegm sucking equipment for paediatrics |
| CN111282048A (en) * | 2020-03-03 | 2020-06-16 | 四川省第四人民医院 | Automatic suction tube |
| CN111472969A (en) * | 2020-05-26 | 2020-07-31 | 林喜彬 | Vacuum pump with performance attenuation early warning function and application of vacuum pump in oiling machine |
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