CN204394800U - A kind of assembled negative pressure drainage fills dressing framing structure - Google Patents
A kind of assembled negative pressure drainage fills dressing framing structure Download PDFInfo
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- CN204394800U CN204394800U CN201420816365.7U CN201420816365U CN204394800U CN 204394800 U CN204394800 U CN 204394800U CN 201420816365 U CN201420816365 U CN 201420816365U CN 204394800 U CN204394800 U CN 204394800U
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- drain
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- pressure drainage
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Abstract
The utility model discloses a kind of assembled negative pressure drainage and fill dressing framing structure, belong to medicine and hygiene fields consumptive material product, this structure is rinsed interface, drain outlet and is connected to each other by several regular shape or irregular dressing unit and forms the overall structure that adapts to wound surface shape; Each dressing unit is connected to each other by least one built-in drain adapter, between flushing interface and drain outlet, form drain loop.This utility model can change the shape of skeleton and arrangement flexibly according to embody rule, to meet the wound surface of difformity, angle, distributed areas.
Description
Technical field
This utility model relates to medicine and hygiene fields, relates in particular to a kind of assembled negative pressure drainage and fills dressing framing structure.
Background technology
The concept of negative-pressure sealed drainage technology (vaccum sealing drainage is called for short VSD technology) is initiated in 1992 by German ULM university doctor Fleischmann the earliest, and forms theoretical blank, for the drain of limb wounds.1997, the research such as Morykways found that this device can promote wound surface local blood circulation, promoted granulation tissue growth in wound surface, reduced tissue bacterial content, improve flap or Free Skin Graft survival rate.The confirmation such as Moues afterwards, compared with negative-pressure sealed drainage technology is wrapped up with traditional moistening dressing, significantly shortens wound healing time.Fbaian studies by experiment and finds that negative pressure drainage more can promote granulation tissue hyperplasia compared with hyperbaric oxygentherapy; Couttefangeas finds that the cell that the dressing of wound filling infiltrates is mainly granulocyte composition, CD4(+) can to promote in wound surface clean for function T cell, provides good microenvironment.The research in 2009 such as Labanaris finds that VSD can promote the hypertrophy of wound surface surrounding tissue lymph pipe network.Increasing scholar has been really the clinical application effect of VSD technology by large quantifier elimination and clinical practice, and its theoretical research is updated, and within 2003, Germany, Austria waited and includes this technology in wound treatment guidelines.
Negative-pressure sealed drainage refers to interior the polyethylene ethanol aquation Sargassum salt foam dressing (being called for short PVA dressing) or the porous Plant fiber dressing that contain drainage tube, cover or fill the wound surface of skin, soft tissue defects, with biological semi-permeable film, it is closed again, become a confined space, finally drainage tube is connected negative pressure source, carried out a kind of brand-new Therapeutic Method of wound healing by controllable negative pressure.
Existing VSD technology basic configuration comprises negative pressure source (comprising central negative pressure device, the negative pressure bottle of medical suction machine, hospital's use), drainage tube, the ventilative pad pasting (hereinafter referred to as sealing pad pasting) of polyvinyl alcohol foam, porous Plant fiber dressing or other medical porous foams, sponge or gauze (hereinafter referred to as porous foam cushion), Pasting sealing, joint (comprising two pass joints, three way cock or multiple-pass joint), drain collect container etc.Its version is: drainage tube (is generally two pipes of parallel placement, the porous foam cushion of small dimension is a pipe, slightly large gauge, more than general parallel placement three pipes) pass in hole-drilled porous foam cushion, when using polylith porous foam cushion, by two-way, three way cock or multiple-pass joint, the port of export of drainage tube is merged into an outlet again, connect negative pressure source drain, the liquefied materials such as the fragment of tissue of the oozing of blood in tissue, sepage, liquefaction and necrosis and pus are drained to and collect in container.
In practical application, porous foam cushion is wrapped up many side openings conductions pipe, be placed on wound surface or wound intracavity, again with sealing pad pasting by porous foam cushion and drainage tube port of export tight closure, make it to be hedged off from the outer world, connect drainage container, then connect negative pressure source, now also there is negative pressure drainage vessel drainage container and negative pressure source are made of one, just define an efficient drainage system (VSD system).Because negative pressure is through being uniformly distributed in the surface in drain district as the soft porous foam cushion of intermediary, contingent internal organs or tissue is held or pressurized and the complication such as ischemia, necrosis, perforation that causes when effectively can prevent single drainage tube negative pressure drainage.In China, VSD technology is widely used in: the fields such as traumatology department, orthopaedics, Department of B urn, department of general surgery.
But VSD technology still faces some problem demanding prompt solutions in practice.VSD technology must use special wound surface to fill dressing, requirement inside keeps clear, to guarantee tissue that vacuum suction goes out, sepage can by normal sucking-off, the porous fibrous material conventional in China is Retinervus Luffae Fructus, the soft high resilience of this product quality, and tension stress is strong, the space of the densely covered diameter 0.2 ~ 1.0mm communicated with each other in a large number in it, although outer appearnce, like sponge, meets irregular or complicated, irregular wound surface, there is the problem cannot carrying out cutting according to wound surface size in this material.So, not only make intact skin to be subject to different negative pressure damages, and negative pressure can be caused cannot to reach the wound surface needing drain completely, seriously hinder the reparation of wound surface.
Summary of the invention
Goal of the invention: the purpose of this utility model is to provide a kind of flexible assembling, drain negative pressure drainage that is even, that adapt to various wound surface shape fills dressing framing structure.
Technical scheme: assembled negative pressure drainage that this utility model provides fills dressing framing structure, comprises rinsing interface, drain outlet and being connected to each other by several regular shape or irregular dressing unit and forms the overall structure that adapts to wound surface shape; Each dressing unit is connected to each other by least one built-in drain adapter, between flushing interface and drain outlet, form drain loop.
The shape of described drain adapter is straight rod-shaped, Y shape, annular, arc, erose any one or multiple combination.Described dressing unit is strip, circle, fan-shaped, polygon, erose any one or multiple combination.
As further optimization of the present utility model, in order to improve drainage effect, prevent flushing liquor from directly siphoning away from drain outlet from flushing interface with shortest path, just described flushing interface is in turn communicated with, other drains adapter is last arrives drain outlet.
As a kind of scheme of the present utility model, described dressing unit comprises rectangular body, runs through the drain adapter of body along center line, and described drain adapter is provided with the drain arm buried in intrinsic free-end opening to both sides; Connect successively before and after the drain adapter of described multiple dressing unit; Connect the drain adapter of rinsing interface and also close lower exit at its drain arm Upstream section sidewall opening.The program provides a kind of basic bar shaped dressing structure, and drain loop is single direction, and cost is not high, be convenient to assembling, but the drainage effect of upstream and downstream there are differences, and not high to the wound surface fitness of special shape.
As another kind of scheme of the present utility model, described dressing unit comprises body and drain adapter, described drain adapter is provided with the drain arm buried in intrinsic free-end opening to both sides, be in turn connected to form drain loop before and after the drain adapter of multiple dressing unit; Described body comprises the some sheet noumenons being distributed in and being combined to form a kind of global shape in the middle part of drain loop and the strip body being successively looped around described global shape periphery.Specifically, be provided with the both sides of drain arm in drain loop, be respectively provided with a strip body, each strip body is from peripheral ring around described global shape, and both sides combine around described global shape, is combined into more large area, thus successively superposes.In order to strengthen drainage effect, connecting the drain adapter of rinsing interface and closing at its drain arm tract.Global shape described in the utility model is any one of circular, oval, rectangle.This technical scheme adapts to the wound surface shape of central protrusion or depression.
This utility model also provides a kind of scheme, and described dressing unit comprises polygonal bodies, be built in the drain be communicated with other dressing unit of polygonal bodies takes over.
Specifically, described polygonal bodies is positive n limit shape, wherein, and n=3 ~ 6; Drain adapter is provided with n corresponding joint, is adapted to the overall structure of wound surface shape by the formation one that is connected to each other; The joint not connecting other drains adapter is provided with end cap.
Dressing body described in the utility model comprises dressing layer and base cloth layer, with the material that dressing on the market adopts with distribute identical.But its difference is, the surface of described dressing unit is provided with overall adhered layer, and after being combined according to wound surface needs by dressing unit, each dressing unit is fixed on patient body-surface from surface integral by adhered layer.
In addition, drain adapter described in the utility model, sidewall is provided with several perforates, for drain.
For some wound surface at an angle, cannot be fixed with traditional dressing, drain adapter described in the utility model is connected by flexible connector.Certain angle is bent to form just by connector between dressing unit.
Beneficial effect: assembled negative pressure drainage filling dressing framing structure of the present utility model is applicable to now the filling dressing that any shape, material are on the market made, also then can distribute and develop, to meet the wound surface of difformity, angle, distributed areas according to the shape of embody rule to the shape of dressing unit and drain adapter.The technical scheme of this structure was never concerned in the art, be not optimized for its concrete shape, compound mode and Interface design, the technical solution of the utility model both provides the mode of high-efficiency enclosed, effectively negative pressure drainage for little wound surface, irregularly shaped wound surface, wound surface, large area wound surface etc. at an angle; All can assemble according to the needs of user for the distribution of inner draft tube of applying ointment or plaster, permutation and combination of applying ointment or plaster, easy to use, there is greatly promotion prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 2;
Fig. 2 is the structural representation of this utility model embodiment 3;
Fig. 3 is the structural representation of this utility model embodiment 4;
Fig. 4 is the structural representation of this utility model embodiment 5.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, this utility model is further described.
embodiment 1
A kind of assembled negative pressure drainage fills dressing framing structure, comprises rinsing interface 1, drain outlet 2 and being connected to each other by several regular shape or irregular dressing unit forming the overall structure that adapts to wound surface shape; Each dressing unit is connected to each other by least one built-in drain adapter, between flushing interface and drain outlet, form drain loop.Rinse interface and be in turn communicated with other drains adapter last just arrival drain outlet.Drain adapter sidewall is provided with the perforate that several play drainage.
The shape of drain adapter is straight rod-shaped, Y shape, annular, arc, erose any one or multiple combination.Dressing unit is strip, circle, fan-shaped, polygon, erose any one or multiple combination.
Dressing body described in all embodiments comprises dressing layer 4 and base cloth layer 5, with the material that casting product on the market adopts with distribute identical.But be provided with overall adhered layer 6 on the surface of dressing unit, after being combined according to wound surface needs by dressing unit, each dressing unit is fixed on patient body-surface from surface integral by adhered layer.
embodiment 2
As shown in Figure 1, a kind of assembled negative pressure drainage fills dressing framing structure, comprises the flushing interface 1 in one end, the outlet of the drain at the other end 2 and is rinsing the strip overall structure be connected to form one by one by multiple rectangle dressing unit 31 arranged between interface 1 and drain outlet 2.Dressing unit 31 comprises body 310 and runs through the drain adapter 311 of body 310 along center line, and drain adapter 311 is provided with the drain arm 312 of the free-end opening buried in body 310 to both sides; Connect successively before and after the drain adapter 311 of multiple dressing unit 31, between flushing interface 1 and drain outlet 2, form drain loop.For ensureing drainage effect, connecting the drain adapter of rinsing interface 1 and also closing lower exit 314 at its drain arm Upstream section sidewall opening 313.Flushing liquor enters from drain interface, is subject to the closed obstruction of the first drain adapter, flows out to both sides; Flushing liquor at the body internal diffusion of dressing unit, through suction function from other drain arms collect and be pooled to drain outlet flow out.
The program provides a kind of basic bar shaped dressing structure, and drain loop is single direction, and cost is not high, be convenient to assembling, but due to drain two end loop longer, the drainage effect of upstream and downstream there are differences.In order to reach good drainage effect, the wound surface of square shape is more applicable, but not high to the wound surface fitness of special shape.
Framing structure based on embodiment 2 can further improve, to adapt to demand under different situations.Such as, for large area wound surface, utilize the above-mentioned framing structure arrangement of many groups, drain adapter is set to Y shape, cross to adapt to be connected with multiple dressing unit, or arc, annular, irregular shape; The shape of dressing unit also can carry out adaptability conversion according to wound surface.
embodiment 3
As shown in Figure 2, the present embodiment is the further improvement carried out based on embodiment 2.A kind of assembled negative pressure drainage fills dressing framing structure, comprises the flushing interface 1 being positioned at one end, the drain being positioned at other end outlet 2, and is located at the multiple dressing unit 32 rinsed between interface 1 and drain outlet 2.
Dressing unit 32 comprises body 322 and drain adapter 323, drain adapter 323 longitudinally connects one by one, both sides are provided with the drain arm 324 of the free-end opening buried in dressing body 322, are in turn connected to form drain loop before and after the drain adapter of multiple dressing unit.
Dressing body comprises two classes, and a class is distributed in the multiple sheet noumenons 320 being combined to form a kind of global shape in the middle part of drain loop; Another kind of is the strip body 321 being successively looped around global shape periphery from the two ends in drain loop.The arrangement that sheet noumenon 320 is taken over drain is similar with embodiment 2, and difference is that the shape of dressing unit is not rectangle, but after splicing, global shape is oval global shape.Strip body 321 from peripheral ring around ellipse, the drain arm 324 at respectively two ends, corresponding drain loop, its two ends, each strip body in both sides combine around, form more large-area ellipse.Successively superpose, thus a circle circle strengthens the entire area of dressing unit 32.
In order to strengthen drainage effect, connecting the drain adapter of rinsing interface and closing 325 at its drain arm tract.Global shape is herein not only ellipse, can also be circular or rectangle.
This technical scheme adapts to large area wound surface.Although just multiple small-sized dressing permutation and combination can form larger global shape, multiple splice combinations is got up and is bothered very much, and drain adapter is many, and the effect that flushing liquor actual flow realizes rinsing through dressing body just reduces.This embodiment does not increase new drain adapter on the basis of embodiment 2, by changing shape and the arrangement of dressing body, increase the entire area of dressing unit, and the strip dressing body of periphery also adapts to the direction of liquid flow and convergence, negative pressure drainage effect is fine.The program is also applicable to the wound surface shape of central protrusion or depression.
embodiment 4
As shown in Figure 3, the present embodiment is applicable to angled wound surface, and its technical scheme is similar to embodiment 2, and its difference is: the drain adapter between dressing unit is not directly connect, but is connected by flexible angled connector 7.Connector 7 can be that centre is provided with ripple warp architecture; Also can be that soft material is flexible.Utilize connector, with regard to flexible formation certain angle between dressing unit, apply as shown in Figure 3 between upper arm and underarm, patient can be given with more comfortable experience.
embodiment 5
A kind of assembled negative pressure drainage fills dressing framing structure, comprise rinsing interface 1, drain outlet 2 and being connected to each other by several n limit shape dressing unit and form the overall structure that adapts to wound surface shape, between flushing interface and drain outlet, form drain loop.Wherein, n=3 ~ 6, namely polygon is triangle, tetragon, pentagon or hexagon; Preferably equilateral triangle, square, regular pentagon or regular hexagon.The drain adapter of each dressing unit is provided with n corresponding joint, is adapted to the overall structure of wound surface shape by the formation one that is connected to each other.As shown in Figure 4, what this embodiment was shown is the irregular global shape that five regular hexagon dressing unit 33 are combined into, to adapt to the wound surface of corresponding distribution.Drain adapter 331 in dressing unit 33 is annular, and sidewall is provided with the perforate that several play drainage, and corresponding orthohexagonal six angles, drain adapter 34 periphery are respectively equipped with six joints 332.The joint 332 of adjacent dressing unit 33 is connected by a Y shape connector 333, for the joint 332 connecting other drain adapters 331 is provided with end cap 334, makes drain loop form the system comparatively closed, to strengthen the effect of negative pressure drainage.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (11)
1. assembled negative pressure drainage fills a dressing framing structure, it is characterized in that: comprise rinsing interface, drain outlet and being connected to each other by several regular shape or irregular dressing unit and form the overall structure that adapts to wound surface shape; Each dressing unit is connected to each other by least one built-in drain adapter, between flushing interface and drain outlet, form drain loop.
2. a kind of assembled negative pressure drainage according to claim 1 fills dressing framing structure, it is characterized in that: the shape of described drain adapter is straight rod-shaped, Y shape, annular, arc, erose any one or multiple combination.
3. a kind of assembled negative pressure drainage according to claim 2 fills dressing framing structure, it is characterized in that: described dressing unit is strip, circle, fan-shaped, polygon, erose any one or multiple combination.
4. a kind of assembled negative pressure drainage according to claim 3 fills dressing framing structure, it is characterized in that: described flushing interface is in turn communicated with other drains adapter last just arrival drain outlet.
5. a kind of assembled negative pressure drainage according to claim 4 fills dressing framing structure, it is characterized in that: described dressing unit comprises rectangular body, run through the drain adapter of body along center line, described drain adapter is provided with the drain arm buried in intrinsic free-end opening to both sides; Connect successively before and after the drain adapter of described multiple dressing unit; Connect the drain adapter of rinsing interface and also close lower exit at its drain arm Upstream section sidewall opening.
6. a kind of assembled negative pressure drainage according to claim 4 fills dressing framing structure, it is characterized in that: described dressing unit comprises body and drain adapter, described drain adapter is provided with the drain arm buried in intrinsic free-end opening to both sides, be in turn connected to form drain loop before and after the drain adapter of multiple dressing unit;
Described body comprises the some sheet noumenons being distributed in and being combined to form a kind of global shape in the middle part of drain loop and the strip body being successively looped around described global shape periphery;
Connect the drain adapter of rinsing interface to close at its drain arm tract;
Described global shape is any one of circular, oval, rectangle.
7. a kind of assembled negative pressure drainage according to claim 4 fills dressing framing structure, it is characterized in that: described dressing unit comprises polygonal bodies, be built in the drain be communicated with other dressing unit of polygonal bodies takes over.
8. a kind of assembled negative pressure drainage according to claim 7 fills dressing framing structure, it is characterized in that: described polygonal bodies is positive n limit shape, wherein, and n=3 ~ 6; Drain adapter is provided with n corresponding joint, is adapted to the overall structure of wound surface shape by the formation one that is connected to each other; The joint not connecting other drains adapter is provided with end cap.
9. fill dressing framing structure according to a kind of assembled negative pressure drainage in claim 1 ~ 8 described in any one, it is characterized in that: the surface of described dressing unit is provided with overall adhered layer.
10. fill dressing framing structure according to a kind of assembled negative pressure drainage in claim 1 ~ 8 described in any one, it is characterized in that: the sidewall of described drain adapter is provided with several perforates.
11. fill dressing framing structure according to a kind of assembled negative pressure drainage in claim 1 ~ 8 described in any one, it is characterized in that: described drain adapter is connected by flexible connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420816365.7U CN204394800U (en) | 2014-12-19 | 2014-12-19 | A kind of assembled negative pressure drainage fills dressing framing structure |
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| CN201420816365.7U CN204394800U (en) | 2014-12-19 | 2014-12-19 | A kind of assembled negative pressure drainage fills dressing framing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473720A (en) * | 2014-12-19 | 2015-04-01 | 中国人民解放军南京军区南京总医院 | Assembled type negative pressure drainage filling surgical dressing skeleton structure |
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- 2014-12-19 CN CN201420816365.7U patent/CN204394800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104473720A (en) * | 2014-12-19 | 2015-04-01 | 中国人民解放军南京军区南京总医院 | Assembled type negative pressure drainage filling surgical dressing skeleton structure |
| CN104473720B (en) * | 2014-12-19 | 2018-02-09 | 中国人民解放军南京军区南京总医院 | A kind of assembly type negative pressure drainage fills dressing skeleton structure |
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