CN207640712U - Negative pressure drainage device for chronic wounds sepage - Google Patents
Negative pressure drainage device for chronic wounds sepage Download PDFInfo
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- CN207640712U CN207640712U CN201720574606.5U CN201720574606U CN207640712U CN 207640712 U CN207640712 U CN 207640712U CN 201720574606 U CN201720574606 U CN 201720574606U CN 207640712 U CN207640712 U CN 207640712U
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- negative pressure
- wound
- drainage device
- pressure drainage
- sepage
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Abstract
The utility model discloses a kind of negative pressure drainage devices for various chronic wounds sepages, belong to Design for Medical Device manufacturing technology field.There is provided it is a kind of can effective draining wound sepage, reduce and block, prevent infection, promoting wound healing, and it is of low cost, be easy to carry out the negative pressure drainage device of application.The negative pressure drainage device includes negative pressure source and is provided with the diversion pipe of feed liquor structure, and the diversion pipe is arranged in by the feed liquor structure in the wound for needing to drain, and the negative pressure source is connect with the free end of the diversion pipe；In drainage process, the liquid oozed out in wound draws wound by the feed liquor structure under the cooperation of the negative pressure source.
Description
Technical field
The utility model is related to a kind of negative pressure drainage devices, more particularly, to a kind of for the negative of various chronic wounds sepages
Drainage device is pressed, Design for Medical Device manufacturing technology field is belonged to.
Background technology
It is developed in recent years one that surface of a wound closed negative pressure, which attracts technology (vacuum-assisted closure, VAC),
Kind Wound treating new technology is equal to 1992 by Fleischmann and is initiated.The technology also seals wound in addition to using negative pressure
It closes, drains effective sponge wrapping and be not in direct contact with wound tissue.There are two kinds of attractions of interruption vacuum suction and continuous negative pressure suction
Mode.Study of evidence based medicine is it had been thought that VAC is applied to chronic wounds, full thickness wound, has the treatment of deep chamber or sinus wound bright
It is aobvious to be better than traditional dressing.Research simultaneously thinks that VAC has more excellent cost effectiveness, and can significantly reduce medical staff's work
The advantages that amount, mitigation trauma surface infestation.
It includes acute soft tissue defect, all kinds of chronic (pressure that VAC, which has been widely used in all kinds of acute and chronic wounds, at present
Property, vascular, diabetic keratopathy) ulcer, surgical incision split or infect.Especially invalid suitable for all kinds of conventional surgical methods is slow
Property refractory wound and the wound that certainty surgical wound method for closing such as skin flap transplantation cannot be implemented immediately etc..With route dressing change
It compares, VAC treatments can significantly reduce surface of a wound secondary necrosis range, treat early stage in VAC, surface of a wound area no longer expands, the surface of a wound
Depth is no longer deepened, and granulation tissue starts to grow.
Vacuum-assisted is to be combined traditional negative pressure drainage method with closure dressing, which uses
Foam porous dressing with drainage tube covers or fills the surface of a wound, then is spouted row closing to dressing with semi-permeable membrane, makes whole system
As confined space, finally drainage tube is connected on negtive-pressure implement, by controlling negative pressure come wound healing.Present VAC skills
Art basic configuration includes negative pressure source (including medical suction machine, negative pressure bottle-guiding), drainage tube, foam porous dressing, Pasting sealing
With semi-permeable membrane, connector, drainage container etc..Wherein foam porous dressing is as the intermediary between negative-pressure drainage tube and the surface of a wound, whole
Play the role of in a closed negative pressure drainage device key.It requires have interconnected porous network inside dressing, with
Ensure that tissue exudates that vacuum suction goes out and metabolite can be normally sucked out；Dressing simultaneously is in direct contact needs with wound
With good biocompatibility, wound healing can be promoted.Currently, common dressing materials are polyvinyl alcohol, and polyethylene
Alcohol cost is higher, manufacture porous structure complex process, rely primarily on import, cause it is very high in China's such treatment method cost,
Most patients can not undertake high medical expense, cannot benefit from this effective chronic wound treatment method.Meanwhile
Existing this negative pressure drainage method, package unit are placed on wound, and the probability for drainage failure occur is higher.When draining
After failure, it usually needs re-replace drainage device, not only increased the workload of medical worker, but also increase the financial burden of patient.
Utility model content
Technical problem to be solved in the utility model is：There is provided it is a kind of can effective draining wound sepage, reduce block,
Prevent infection, promote wound healing, and negative pressure drainage device that is of low cost, being easy development application.
Used technical solution is to solve above-mentioned technical problem：A kind of negative pressure drainage for chronic wounds sepage fills
It sets, the negative pressure drainage device includes negative pressure source and is provided with the diversion pipe of feed liquor structure, and the diversion pipe passes through described
Feed liquor structure be arranged in and need in the wound that drains, the negative pressure source is connect with the free end of the diversion pipe；It drained
Cheng Zhong, the interior liquid oozed out of wound draw wound by the feed liquor structure under the cooperation of the negative pressure source.
The utility model has the beneficial effects that：The application includes negative pressure source and to be provided with feed liquor structure by being arranged a set of
The negative pressure drainage device that constitutes of diversion pipe, and the feed liquor structure is arranged in the wound for needing to drain in drainage,
The negative pressure source and the free end of the diversion pipe is set to connect.In this way, due to having the presence of negative pressure source and can make described
Feed liquor structure in the wound of site of injury forms negative pressure state by the diversion pipe under the cooperation of the negative pressure source, to
So that the liquid of the wound exudation is passed through the feed liquor structure and draw wound under the cooperation of the negtive-pressure implement, reaches and keep away as possible
The purpose exempted from infection, accelerate wound healing.
Further, the feed liquor structure includes multiple inlet openings, each inlet opening setting is led described
On that one end in the embedment wound of flow tube.
The preferred mode of the above solution is that each inlet opening on the tube wall of the diversion pipe in an axial direction helically
Line is uniformly distributed.
Further, the feed liquor structure further includes filtration system, the filtration system is coated on each described
Inlet opening outside.
The preferred mode of the above solution is that the diversion pipe is made of a primary sterilization silica gel drainage tube, it is described
Filtration system be made of sterile gauze.
Further, the negative pressure source is the central negative pressure system of disposable negative pressure drainage vessel or hospital
System.
Further, the negative pressure drainage device further includes seal assembly, the feed liquor structure passes through described
Seal assembly is enclosed in the wound for needing to drain.
Description of the drawings
Fig. 1 is three dimensional structure diagram of the utility model for the negative pressure drainage device of subcutaneous tissue wound exudate.
In figure label for：Negative pressure source 1, feed liquor structure 2, diversion pipe 3, wound 4, inlet opening 5, filtration system 6, seal assembly
7。
Specific implementation mode
It is a kind of effective draining wound sepage of energy provided by the utility model as shown in Figure 1, reduces blocking, prevents to feel
Dye promotes wound healing, and negative pressure drainage device that is of low cost, being easy development application.The negative pressure drainage device includes
Negative pressure source 1 and the diversion pipe 3 for being provided with feed liquor structure 2, the diversion pipe 3 are arranged in needs by the feed liquor structure 2
In the wound 4 of drainage, the negative pressure source 1 is connect with the free end of the diversion pipe 3；In drainage process, oozed out in wound 4
Liquid draws wound 4 by the feed liquor structure 2 under the cooperation of the negative pressure source 1.The application is a set of by setting to include
There is negative pressure source 1 and be provided with the negative pressure drainage device that the diversion pipe 3 of feed liquor structure 2 is constituted, and in drainage by the feed liquor
Structure 2 is arranged in the wound 4 for needing to drain, and the negative pressure source 1 is made to be connect with the free end of the diversion pipe 3.In this way, by
In the presence for having negative pressure source 1 and can make the feed liquor structure 2 by the diversion pipe 3 the negative pressure source 1 cooperation
Under negative pressure state is formed in the wound 4 of site of injury, to make the liquid that the wound 4 oozes out pass through the feed liquor structure 2
Wound 4 is drawn under the cooperation of the negtive-pressure implement 1, is achieved the purpose that avoid infection as possible, is accelerated wound healing.
In the above embodiment, in order to improve drainage effect, reaching as possible can will be in entire wound along wound length direction
Sepage all draw, feed liquor structure 2 described herein includes multiple inlet openings 5, and each inlet opening 5 is arranged in institute
It states on that one end in the embedment wound 4 of diversion pipe 3；And make each inlet opening 5 on the tube wall of the diversion pipe 3
Helically line is uniformly distributed in an axial direction.Arrange that the length of inlet opening 5 is usually slightly shorter than the length of wound 4.At the same time, in order to avoid oozing
Inlet opening 5 described in tissue occlusion in liquid, the feed liquor structure 2 further include filtration system 6, the filtration system 6 packet
Overlay on the outside of each inlet opening 5.At this point, the diversion pipe 3 is preferably drained by a disposable sterilized silica gel
Pipe is constituted, and the filtration system 6 is preferably made of sterile gauze.Likewise, in order to improve drainage effect, the negative pressure
Drainage device further includes seal assembly 7, and the feed liquor structure 2 is enclosed in the wound for needing to drain by the seal assembly 7
In mouth 4.To form certain negative pressure state in wound 4, in order to drain.
Further, in order to enable the application negative pressure drainage device manufacture generalization, standardization, the negative pressure
Source 1 is preferably by the central negative pressure system for disposable negative pressure drainage vessel or hospital.
Embodiment one
Using primary sterilization silica gel drainage tube as drainage pipe, disposable sterile drainage bottle as negative pressure source and
Drainage-fluid storage bottle, sterile gauze fill dressing, thin transparent of the disposable surgical operation film as closing wound as the surface of a wound
Film makes Portable negative-pressure closed drainage device by oneself.First the hair in wound circumference 10cm is struck off and cleaned out before placement, so
Afterwards respectively with 75% alcohol degreased skin, range is still in wound circumference 10cm；It is cleaned a wound with physiological saline, is fully expanded
Wound opens wide dead space, then cuts sterile gauze according to the shape of wound；At the head end 2cm apart from disposable sterilized silicone tube
Start to cut hole, hole is allowed twist to be distributed on pipeline, aperture is about 0.3mm, to ensure that liquid is fully drawn, cuts in hole
Number is directly proportional to the size of wound and drainage flow；The sterile gauze cut is spread out, winding pipeline in layer is porose
That end ensures hole by gauze wrapped；Then the pipeline for winding gauze is put into wound；The gap occurred in wound needs
Clogged using sterile gauze, can not fill out tension or exceed periwound skin；Drainage is adjusted according to the concrete position of wound
Placement location when pipe is drawn：For example 1 right side inguinal lymph that we are handled leaks wound, drainage tube extension and body
Body longitudinal axis angulation, about 7 o'clock direction；And 8 mid-sternal incision drainage tube extensions and long axis of body angulation, about 8 o'clock
Or 4 o'clock direction, being folded to avoid pipeline when patient's seat influences negative pressure work.Surgical operation film is finally covered in wound
On, film edge is more than wound skin 5-8cm, pays attention to pasting closely, and gauffer, hollowing, drainage tube is avoided to draw position and especially want
It avoids hole from being formed, can be fixed using this method：It first cuts about 2-3 centimetres two wide, is about 5 centimetres of rectangle thin transparent
Film is spare, and then from one film of skin paste below the pipeline for drawing about 3 centimetres away from pipeline, the direction of patch is from outside to inside, to reach
Reflexed application is pasted upwardly when pipeline draws position, and is attached on pipeline；Then by another transparent membrane above pipeline
It pastes from inside to outside, duct wraps is finally made to be enclosed in two application the insides.Needed before using this portable V SD with patient and
Family members link up, and sign doctor patient communication table, and carry out the health propaganda and education that VSD devices safeguard relevant knowledge to patient and family members.As possible
Ensure the stability of negative pressure source pressure；The fixing situation for observing transparent membrane causes closed should sternly not replace immediately if any hollowing；
Observe patient wound's bed and surrounding skin situation.
Claims (9)
1. a kind of negative pressure drainage device for chronic wounds sepage, it is characterised in that：The negative pressure drainage device includes negative
Potential source (1) and the diversion pipe (3) for being provided with feed liquor structure (2), the diversion pipe (3) pass through described feed liquor structure (2) cloth
It sets in the wound (4) for needing to drain, the negative pressure source (1) is connect with the free end of the diversion pipe (3)；Drainage process
In, the liquid oozed out in wound (4) draws wound by the feed liquor structure (2) under the cooperation of the negative pressure source (1)
(4)。
2. the negative pressure drainage device according to claim 1 for chronic wounds sepage, it is characterised in that：The feed liquor
Structure (2) includes multiple inlet openings (5), embedment wound (4) of each inlet opening (5) setting in the diversion pipe (3)
On that interior one end.
3. the negative pressure drainage device according to claim 2 for chronic wounds sepage, it is characterised in that：Described in each
Helically line is uniformly distributed in an axial direction on the tube wall of the diversion pipe (3) for inlet opening (5).
4. the negative pressure drainage device according to claim 2 or 3 for chronic wounds sepage, it is characterised in that：Described
Feed liquor structure (2) further includes filtration system (6), and the filtration system (6) is coated on the outer of each inlet opening (5)
Side.
5. the negative pressure drainage device according to claim 4 for chronic wounds sepage, it is characterised in that：The water conservancy diversion
Pipe (3) is made of a primary sterilization silica gel drainage tube, and the filtration system (6) is made of sterile gauze.
6. the negative pressure drainage device according to claim 5 for chronic wounds sepage, it is characterised in that：The negative pressure
Source (1) is the central negative pressure system of disposable negative pressure drainage vessel or hospital.
7. the negative pressure drainage device according to claim 5 for chronic wounds sepage, it is characterised in that：The negative pressure
Drainage device further includes seal assembly (7), and the feed liquor structure (2) is enclosed in needs by the seal assembly (7) and draws
In the wound (4) of stream.
8. the negative pressure drainage device according to claim 1 for chronic wounds sepage, it is characterised in that：The negative pressure
Drainage device further includes seal assembly (7), and the feed liquor structure (2) is enclosed in needs by the seal assembly (7) and draws
In the wound (4) of stream.
9. the negative pressure drainage device according to claim 1 for chronic wounds sepage, it is characterised in that：The negative pressure
Source (1) is the central negative pressure system of disposable negative pressure drainage vessel or hospital.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574606.5U CN207640712U (en) | 2017-05-23 | 2017-05-23 | Negative pressure drainage device for chronic wounds sepage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574606.5U CN207640712U (en) | 2017-05-23 | 2017-05-23 | Negative pressure drainage device for chronic wounds sepage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207640712U true CN207640712U (en) | 2018-07-24 |
Family
ID=62885902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720574606.5U Active CN207640712U (en) | 2017-05-23 | 2017-05-23 | Negative pressure drainage device for chronic wounds sepage |
Country Status (1)
| Country | Link |
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| CN (1) | CN207640712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507375B (en) * | 2019-08-30 | 2020-10-30 | 中国人民解放军陆军军医大学第一附属医院 | Planter for hair transplantation |
-
2017
- 2017-05-23 CN CN201720574606.5U patent/CN207640712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507375B (en) * | 2019-08-30 | 2020-10-30 | 中国人民解放军陆军军医大学第一附属医院 | Planter for hair transplantation |
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