CN208911073U - A kind of negative pressure managing device for Wound-surface negative pressure treatment - Google Patents
A kind of negative pressure managing device for Wound-surface negative pressure treatment Download PDFInfo
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- CN208911073U CN208911073U CN201820972261.3U CN201820972261U CN208911073U CN 208911073 U CN208911073 U CN 208911073U CN 201820972261 U CN201820972261 U CN 201820972261U CN 208911073 U CN208911073 U CN 208911073U
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- Prior art keywords
- negative pressure
- wound
- output end
- dressing
- way magnetic
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Abstract
The utility model discloses a kind of negative pressure managing devices for Wound-surface negative pressure treatment, attract dressing including wall negative pressure terminal, negative pressure regulating valve, negative pressure drainage vessel, three-way magnetic valve, electrotimer, pressure inductor and the surface of a wound, the output end of the wall negative pressure terminal and the input terminal of negative pressure regulating valve connect, the output end of the negative pressure regulating valve and the input terminal of negative pressure drainage vessel connect, the output end of the connection of the input terminal of the negative pressure drainage vessel output end and three-way magnetic valve, the three-way magnetic valve attracts the input terminal of dressing to connect with the surface of a wound.Wall negative pressure terminal and the negative pressure regulating valve setting that the utility model passes through hospital center's negative pressure system, it is resolved the compressor operating noise problem of device, pass through the setting of pressure inductor, three-way magnetic valve and electrotimer simultaneously, it is accurately controlled device to negative pressure, to realize that interval and pulse attract treatment, the clinical efficacy of Wound-surface negative pressure treatment is improved.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of negative pressure management for Wound-surface negative pressure treatment
Device.
Background technique
Wound-surface negative pressure treatment technology (NPWT), which refers to, to be sealed after the surface of a wound is covered by special foamed material with medical semi-permeable membrane,
It is connected with negative pressure suction device, reaches increase wound drainage, improve surface of a wound microcirculation, the purpose of wound healing.From previous generation
Since discipline the nineties come out, NPWT gradually improved in indication, application material selection and negative pressure in terms of and
Specification, is widely used in the treatment of all kinds of acute and chronic surface of a wound of burns unit.
In negative pressure management aspect, the setting of negative pressure value size and the selection of pressure pattern are the great influences of clinical efficacy
Control difficult point in factor and treatment clinical course.Negative-pressure sealed drainage technology is total in the national expert that burns unit is applied
Know (burn surgery branch, Chinese Medical Association version in 2017) to point out, (infection, oedema, skin-grafting are excluded to all kinds of stability surface of a wound
The surface of a wound) it is recommended to use intermittent lower negative pressure treatment.
The time relay refers to that output circuit need to pass through defined standard after the action signal of (or removing) input is added
The true time just generates a kind of relay of great-jump-forward variation (or contact action).It is a kind of use in lower voltage or small electric
On the circuit of stream, for switch on or off high voltage, larger current circuit electrical component.Meanwhile the time relay
It is a kind of control electric appliance that delays time to control is realized using electromagnetic principle or theory of mechanics.There are many its type, have air damping type,
Power type and electron type etc.；On-delay type and power cut off delay type two types can be divided into.
However, moving negative pressure source by existing bed is that it is timely to integrate pressure control based on small negative pressure aspirator
Between control module realize negative pressure management precision, but its shortcoming is that bed by compressor operating noise it is big, patient compliance is poor, and
The mechanical stability that works long hours is poor, and equipment price is expensive, although and Medical central negative pressure attraction system pressure is stablized, connection side
Just, noiseless, but cooperative mechanical formula Medical negative pressure meter use causes vacuum cavitations not accurate, and cannot achieve interval or pulse suction
Draw, to all have certain limitation.
Utility model content
The purpose of this utility model is to design a kind of new negative pressure managing device for Wound-surface negative pressure treatment, is solved existing
Moving negative pressure source in technology by bed is to integrate pressure control based on small negative pressure aspirator and time control module is realized
Negative pressure management precision, but its shortcoming is that compressor operating noise is big by bed, patient compliance is poor, and the machinery that works long hours
Stability is poor, and equipment price is expensive, although and Medical central negative pressure attraction system pressure is stablized, it is easy to connect, noiseless, match
Closing mechanical Medical negative pressure meter use causes vacuum cavitations not accurate, and cannot achieve interval or pulse attract the problem of.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of negative pressure managing device for Wound-surface negative pressure treatment, including wall negative pressure terminal, negative pressure regulating valve, negative pressure are drawn
It flows bottle, three-way magnetic valve, electrotimer, pressure inductor and the surface of a wound and attracts dressing, the output end of the wall negative pressure terminal
It is connect with the input terminal of negative pressure regulating valve, the output end of the negative pressure regulating valve and the input terminal of negative pressure drainage vessel connect, described
The connection of the input terminal of negative pressure drainage vessel and three-way magnetic valve, the output end of the electrotimer and the power supply of three-way magnetic valve are defeated
Enter end connection, the output end of the three-way magnetic valve attracts the input terminal of dressing to connect with the surface of a wound, the letter of the pressure inductor
Number input terminal attracts dressing to connect with the surface of a wound, the signal output end of the pressure inductor and the signal input part of electrotimer
Connection.
Preferably, the three-way magnetic valve goes out formula solenoid valve for two into one.
Preferably, it is NPWT dressing that the surface of a wound, which attracts dressing,.
Preferably, the pressure inductor is deposition tube impedance diffusion pressure sensor.
Preferably, the outer wall of the negative pressure drainage vessel is equipped with scale.
Preferably, the electrotimer is transistor type time relay.
In the utility model, the setting of negative pressure regulating valve can be according to negative pressure value needed for the different surface of a wound, rough adjustment doctor
With the uninterrupted of negative pressure regulating valve, set corresponding negative pressure value, the setting of negative pressure drainage vessel, can collect drainage hematocele and
Hydrops, the opening and closing of electrotimer timing controlled three-way magnetic valve realize that the interval of the surface of a wound attracts；Pressure sensor inspection
The pressure value in surface of a wound attraction dressing is surveyed, when reaching preset pressure threshold value, pressure inductor exports electric signal to timing relay
The pre-reservation pressure signaling interface of device, controls the switch state of solenoid valve, applies to be attracted by control three-way magnetic valve the surface of a wound
Material carries out pressure control.The utility model passes through the setting of wall negative pressure terminal and negative pressure regulating valve, makes the compressor work of device
It is resolved as noise problem, while passing through the setting of pressure inductor, three-way magnetic valve and electrotimer, make device can
To be accurately controlled to negative pressure, to realize that interval and pulse attract.
Detailed description of the invention
Fig. 1 be the utility model proposes it is a kind of for Wound-surface negative pressure treatment negative pressure managing device structural schematic diagram；
Fig. 2 the utility model proposes it is a kind of for Wound-surface negative pressure treatment negative pressure managing device workflow signal
Figure.
In figure: 1 wall negative pressure terminal, 2 negative pressure regulating valves, 3 negative pressure drainage vessels, 4 three-way magnetic valves, 5 electrotimers, 6
Pressure inductor, 7 surface of a wound attract dressing.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of negative pressure managing device for Wound-surface negative pressure treatment, including wall negative pressure terminal 1, negative pressure tune
It saves valve 2, negative pressure drainage vessel 3, three-way magnetic valve 4, electrotimer 5, pressure inductor 6 and the surface of a wound and attracts dressing 7, wall negative pressure
The output end of terminal 1 is connect with the input terminal of negative pressure regulating valve 2, is controlled for negative pressure regulating valve 2 negative pressure, and negative pressure is adjusted
The output end of valve 2 is connect with the input terminal of negative pressure drainage vessel 3, and negative pressure drainage vessel 3 collects the hematocele and hydrops of drainage, negative pressure drainage
Bottle 3 is connect with the input terminal of three-way magnetic valve 4, for controlling the negative pressure in surface of a wound attraction dressing 7, the output of electrotimer 5
End is connect with the power input of three-way magnetic valve 4, for controlling three-way magnetic valve 4, the output end of three-way magnetic valve 4
The input terminal of dressing 7 is attracted to connect with the surface of a wound, for controlling the pressure output attracted the surface of a wound in dressing 7, pressure inductor 6
Signal input part attracts dressing 7 to connect with the surface of a wound, for detecting the pressure value in surface of a wound attraction dressing 7,6 signal of pressure inductor
Output end is connect with 5 signal control interface of electrotimer, for sending electrotimer 5 for pressure signal, then timing
After microprocessor in relay 5 handles signal, threeway battery valve 4 is sent an instruction to, threeway battery valve 4 is carried out
Control controls pressure to realize.
In the utility model, three-way magnetic valve 4 goes out formula solenoid valve for two into one, inhales three-way magnetic valve 4 to the surface of a wound
The negative pressure for drawing dressing 7 is controlled, and it is NPWT dressing that the surface of a wound, which attracts dressing 7, and enhancing attracts the using effect of dressing, pressure sensitive
Device 6 is deposition tube impedance diffusion pressure sensor, enhances the sensitivity of sensor, the outer wall of negative pressure drainage vessel 3 is equipped with
Scale facilitates observation hydrops amount, and electrotimer 5 is transistor type time relay, for enhancing the essence of electrotimer 5
Degree.
In the utility model, the setting of negative pressure regulating valve 2 can be according to negative pressure value needed for the different surface of a wound, rough adjustment doctor
With the uninterrupted of negative pressure regulating valve 2, corresponding negative pressure value is set, the hematocele and product of drainage are collected in the setting of negative pressure drainage vessel 3
Liquid, the opening and closing of 5 timing controlled three-way magnetic valve 4 of electrotimer realize that the gap of the surface of a wound attracts；Pressure sensor 6
It detects the surface of a wound and attracts pressure value in dressing 7, after then electrotimer 5 receives the pressure signal of pressure sensor 6, according to
6 signal of pre-reservation pressure inductor in electrotimer 5, to attract dressing 7 to carry out the surface of a wound by control three-way magnetic valve 4
Pressure control.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of negative pressure managing device for Wound-surface negative pressure treatment, including it is wall negative pressure terminal (1), negative pressure regulating valve (2), negative
Drainage bottle (3), three-way magnetic valve (4), electrotimer (5), pressure inductor (6) and the surface of a wound is pressed to attract dressing (7), feature
It is, the output end of the wall negative pressure terminal (1) is connect with the input terminal of negative pressure regulating valve (2), the negative pressure regulating valve (2)
Output end connect with the input terminal of negative pressure drainage vessel (3), the input terminal of the negative pressure drainage vessel (3) and three-way magnetic valve (4)
Connection, the output end of the electrotimer (5) are connect with the power input of three-way magnetic valve (4), the three-way magnetic valve
(4) output end attracts the input terminal of dressing (7) to connect with the surface of a wound, the signal input part and the surface of a wound of the pressure inductor (6)
Attract dressing (7) connection, the signal output end of the pressure inductor (6) is connect with the signal input part of electrotimer (5).
2. a kind of negative pressure managing device for Wound-surface negative pressure treatment according to claim 1, which is characterized in that described three
Three-way electromagnetic valve (4) goes out formula solenoid valve for two into one.
3. a kind of negative pressure managing device for Wound-surface negative pressure treatment according to claim 1, which is characterized in that the wound
It is NPWT dressing that face, which attracts dressing (7),.
4. a kind of negative pressure managing device for Wound-surface negative pressure treatment according to claim 1, which is characterized in that the pressure
Power inductor (6) is deposition tube impedance diffusion pressure sensor.
5. a kind of negative pressure managing device for Wound-surface negative pressure treatment according to claim 1, which is characterized in that described negative
The outer wall of drainage bottle (3) is pressed to be equipped with scale.
6. a kind of negative pressure managing device for Wound-surface negative pressure treatment according to claim 1, which is characterized in that described fixed
When relay (5) be transistor type time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820972261.3U CN208911073U (en) | 2018-06-23 | 2018-06-23 | A kind of negative pressure managing device for Wound-surface negative pressure treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820972261.3U CN208911073U (en) | 2018-06-23 | 2018-06-23 | A kind of negative pressure managing device for Wound-surface negative pressure treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208911073U true CN208911073U (en) | 2019-05-31 |
Family
ID=66694832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820972261.3U Expired - Fee Related CN208911073U (en) | 2018-06-23 | 2018-06-23 | A kind of negative pressure managing device for Wound-surface negative pressure treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208911073U (en) |
-
2018
- 2018-06-23 CN CN201820972261.3U patent/CN208911073U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20200623 |