CN101744688A

CN101744688A - Injury nursing device

Info

Publication number: CN101744688A
Application number: CN200810188127A
Authority: CN
Inventors: 苗罗华; 吴志文; 姚南光
Original assignee: Industrial Technology Research Institute ITRI
Current assignee: Industrial Technology Research Institute ITRI
Priority date: 2008-12-18
Filing date: 2008-12-18
Publication date: 2010-06-23

Abstract

The present invention relates to an injury nursing device comprising a first body, a second body and at least one component with a gap, wherein the first body is provided with a sticky film, and at least one first hole is arranged on the first body; the second body is made of material with flexibility and water assistance; the second body is provided with at least one second hole and at least one third hole; the second hole and the third hole are communicated, and a containing space is formed in the second body; the second body is connected to the first body, and the second hole is correspondingly arranged at the position of the first hole; and the component with a gap is arranged in the containing space of the second body.

Description

Wound care device

Technical field

The present invention relates to a kind of Wound care device, relate in particular to a kind of can carrying out in order to negative pressure wound treatment in the peripheral sealed environment that forms of wound, can avoid simultaneously conduit to be positioned at that the wound top produces structural obstructions or the extruding wound causes the sense of discomfort of sufferer, and the Wound care device that is applicable to negative pressure treatment that takes place of the situation that can avoid conduit and block because of bending.

Background technology

Vacuum therapeutic wound healing (Vacuum Assisted Closure; V.A.C.Therapy); or negative pressure wound treatment (Negative Pressure Wound Therapy; abbreviate NPWT as); a kind of for complementary physiotherapy; its principle is to utilize negative pressure pump in conjunction with sealing patch and porous material as the tool bio-compatibility of dressing; in wound, form subnormal ambient; add negative pressure and make the porous material volume-diminished; cause wound to middle deflation indirectly; by material molecule shear stress traction border cell; promote the cell division hypertrophy, accelerating wound healing, negative pressure is transmitted in wound through porous material; remove and attract the iuntercellular tissue fluid to flow; promote indirectly outside blood vessel hyperplasia and the local blood circulation, still antibacterial pus and blood in the wound and too much tissue fluid can be extracted out, can avoid edema; reduce the inflammation chance, moist healing environment is provided; protection wound and then minimizing wound healing need the time.

The basic framework of vacuum therapeutic wound healing is put into dressing in wound after, with sealed Cellophane sealing wound, connects the conduit of a connection negative pressure source again, by negative pressure source the transudate in the wound is drawn in the waste liquid holding vessel; Conduit in this existing framework is directly to insert wound, therefore above wound, form a stereochemical structure, make wound be difficult for outside the sealing, when wound is positioned at patient's sole (for example diabetic foot) or back (for example decubital ulcer), this kind existing structure not only causes extremely discomfort to patient's wound, and easily cause the destroyed sealing of sealed Cellophane, or conduit bent obstruction, thereby cause and effectively to treat because of extruding.

At patent, No. the 6626891st, U.S.'s patent of invention " Drainage system to beused with an open wound; an element which is used thereby for placing a drainagetube or hose; and a method of using said drainage system " for example, it is that one side in a tabular assembly is provided with the protruding part, the inner space that forms, this protruding part, this spatial end runs through this protruding part and forms an opening, this opening can connect negative pressure source for external catheter, and this tabular assembly is provided with a plurality of holes and is communicated with this protruding part volume inside, the inner space that forms, this protruding part is covered in the dressing of wound, cover this tabular assembly and stick on the patient skin on every side with glued membrane again, can be by this conduit with the transudate of wound by dressing, the hole of this tabular assembly, the inner space of this protruding part is drawn out of via this conduit at last; Only this tabular assembly has certain degree of hardness and thickness, and this protruding part and conduit are positioned at the wound central part, all can make the patient produce sense of discomfort, this conduit is then pullled accidentally because of external force easily and is got loose, or cause blocking because of bending, in addition, its glued membrane also easily because long-time compressing and with tabular components apart, influence air-tightness.

No. the 7273054th, United States Patent (USP) " Surgical drape and head for wound treatment " and for example, it is that one side in a flat body is provided with a plurality of column structures, be provided with a joint in the another side of this flat body and run through this flat body, this joint can connect negative pressure source for external catheter, this one side that is provided with column structure is covered in the dressing of wound, cover this flat body and stick on the patient skin on every side with glued membrane again, can be by this conduit with the transudate of wound by dressing, space between column structure, joint is drawn out of via this conduit at last; In the same manner, similar with the existing shortcoming of last existing case (No. the 6626891st, U.S.'s patent of invention), the set column structure of its flat body and bottom has certain degree of hardness and thickness, and this joint and conduit are positioned at the wound central part, all can make the patient produce sense of discomfort, and this conduit is then pullled accidentally because of external force easily and got loose, or cause blocking because of bending, in addition, its glued membrane also separates with flat body because of long-time compressing easily, influences air-tightness.

No. the 7128735th, United States Patent (USP) " Reduced pressure wound treatment appliance " for another example, it utilizes a funnelform cover body to cover wound, be provided with a conduit by this cover body inside and extend to this cover body outside and connect negative pressure source, can wound fluid be extracted out by this conduit; Though this case can improve air-tightness, yet bulky cover body causes very big inconvenience and sense of discomfort to patient action, and conduit is bent easily and causes blocking.

Before the comprehensive above-mentioned patent case structure as can be known, existing patent does not solve air-tightness, discomfort and obstructing problem fully.

Summary of the invention

Because the disappearance of prior art, the present invention proposes a kind of Wound care device, can carry out in order to negative pressure wound treatment in the peripheral sealed environment that forms of wound, while can avoid conduit to be positioned at wound top generation structural obstructions or the extruding wound causes the sense of discomfort of sufferer, and the situation generation that can avoid conduit to block because of bending.

For achieving the above object, the present invention proposes a kind of Wound care device, and it comprises one first body, one second body and at least one assembly with hole, and this first body has the thin film of stickiness, and this first body is provided with at least one first hole; This second body is made by the material with pliability and water proofing property, this second body is provided with at least one second hole and at least one the 3rd hole, this second hole and the 3rd hole are interconnected and form an accommodation space in this second body interior, this second body is connected in this first body, and this second hole correspondence is arranged at the position of this first hole; This assembly with hole is arranged in the accommodation space of this second body.

Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.

Description of drawings

Fig. 1 is the decomposition chart of the embodiment of the invention;

Fig. 2 is the combination assumption diagram of the embodiment of the invention;

Fig. 3 is that the A-A cross-section structure of Fig. 2 is arranged at the sketch map on the wound;

Fig. 4 is arranged at sketch map on the wound for another embodiment of the present invention cross-section structure;

Fig. 5 and Fig. 6 are other different embodiment cross-sectional view of the present invention.

Wherein, Reference numeral

10,10A, 10B, 10C-Wound care device

11,11A, 11B, 11C-first body

111-first hole

112,112A, 112B, 112C-end face

113,113A, 113B, 113C-bottom surface

12,12A, 12B, 12C-second body

121,121A, 121B, 121C-second hole

122,122B, 122C-the 3rd hole

The 123-hollow tubular structure

13,13A, 13B, 13C-have the assembly of hole

The 20-joint

The 21-conduit

30-patient

The 31-wound

The 32-skin

40-dressing

The specific embodiment

Be employed technological means and the effect of achieving the goal hereinafter with reference to the graphic the present invention of description who encloses, and following graphic cited embodiment only is an aid illustration, but that the technological means of this case is not limited to is cited graphic.

The Wound care device that the present invention proposes, can carry out in order to negative pressure wound treatment in the peripheral sealed environment that forms of wound, that is to say, Wound care device of the present invention can form a sealed environment at the wound end, make the negative pressure source and the liquid collector that are connected in the Wound care device rear end carry out the supply of negative pressure and the storage of wound waste liquid for wound, therefore, Wound care device of the present invention also has the function of transmission, and the waste liquid of wound end can be arrived in the liquid collector of rear end by Wound care device.

See also Figure 1 and Figure 2 Wound care device proposed by the invention 10, it comprises the assembly 13 that one first body 11, one second body 12 and have hole, this first body 11 has the thin film of stickiness, for example can adopt general medicine circle to be called the transparent membrane patch of " O.P Site ", or polyurethane (PU, Polyurethane) thin film is provided with at least one first hole 111 in this first body 11; This second body 12 is made by the material with pliability and water proofing property, and its material tool bio-compatibility, can be identical or different with this first body 11, for example can adopt polrvinyl chloride (PVC, Polyvinylchloride) thin film, this second body 12 is provided with at least one second hole 121 and at least one the 3rd hole 122, this second hole 121 and the 3rd hole 122 are interconnected and form accommodation spaces in these second body, 12 inside, this assembly 13 with hole is arranged in this accommodation space, this assembly 13 with hole can adopt polyurethane (PU, Polyurethane), polyvinyl alcohol (PVA, Polyvinyl Alcohol) foam material such as, or gauze, cotton threads etc. have reversible absorptive material, and the common characteristics of such material are to have flexibility and flexible, its pore-size is positioned at the scope of 200～1500 μ m, if pore-size is too small, except influencing negative pressure source, meeting transmits negative pressure to the efficient of wound, foreign material in the wound fluid also block in hole easily, therefore, the general recommendations pore-size is preferable with 400～800 μ m; As shown in Figure 2, this second body 12 is connected in the one side (being end face 112) of this first body 11, and these second hole, 121 correspondences are arranged at the position of this first hole 111, and is provided with mucigel in the another side (being bottom surface 113) of this first body 11; That is to say that this second hole 121 fits tightly in the position of this first hole 111, make Wound care device 10 in use, sealed environment can be provided.

What must be illustrated is, in present embodiment, this second body 12 is rectangular bag shape, the one end is provided with this second hole 121, the other end is provided with the 3rd hole 122, and this second body 12 extends to form a hollow tubular structure 123 in the 3rd hole 122 outsides, its purpose is, can be in this hollow tubular structure 123 sockets one joint 20, in order to be connected in series a conduit 21 (as shown in Figure 3) to be connected to negative pressure source and liquid collector, in other words, the basic setup aspect of this second body 12 is to have second hole 121 and the 3rd hole 122 of mutual perforation, and its quantity do not limit, and this second hole 121 is as the input port, the 3rd hole 122 is as delivery outlet, it is implemented aspect and is not limited to the icon example structure, and in like manner, the kenel of this first hole 111 is not limit circular port of icon yet, a plurality of rectangles can be set, the combination of arbitrary dimension and shape, its purpose are to provide wound fluid to pass through and flow in this second body 12 and get final product.

See also shown in Figure 3ly, in a patient 30 wound 31, be equipped with dressing 40, cover this first body 11 on these wounds 31 and be attached at skin 32 surfaces around this wound 31, to form a sealed environment; And this first hole 111, second hole 121 is positioned at this wound 31 tops, the transudate of wound 31, after blood or other infected material are absorbed by dressing 40, outside negative pressure source effect via the rear end, can be with transudate, blood or other infected material are extracted out, via this first hole 111, second hole 121 enters this second body 12, has the assembly 13 of hole by this, again by the 3rd hole 122, joint 20 and conduit 21 are drawn to the liquid collector of rear end, be noted that, this assembly 13 with hole can be to transudate, blood or other infected material form filtration, avoid transudate, contained foreign material such as lump flow in the conduit 21 that connects negative pressure source and cause the obstruction of conduit 21 in blood or other infected material; Because this second body 12 is made by the material with pliability and water proofing property, this assembly 13 with hole also has certain flexibility and flexible, therefore, when this second body 12 is squeezed, can fit in this skin 32 surfaces in the lump together with this assembly 13 with hole, the unlikely wound 31 that is urged to, in addition, when the 12 bending distortions of second body, because second body, 12 inside are provided with this assembly with hole 13, so negative pressure still can provide negative pressure to wound via this hole with assembly 13 of hole; Simultaneously, the hole of the assembly 13 that transudate, blood or other infected material also can be by holes and being drawn out of constantly can not be subjected to the bending distortion of second body 12 and negative pressure treatment is stopped.In addition, because this joint 20 and conduit 21 are connected in the 3rd hole 122 of second body, 12 outboard ends, therefore can avoid the joint 20 and the conduit 21 compressing wounds 31 of hard away from this wound 31, especially when wound 31 is positioned at patient's sole or back, can avoid the patient is caused sense of discomfort.

See also embodiment illustrated in fig. 4, this Wound care device 10A comprises the assembly 13A that one first body 11A, one second body 12A and have hole, the characteristics of present embodiment are that this assembly 13A with hole is extended outside (the i.e. bottom 113A) certain-length of this first body 11A by this second hole 121A; When being arranged at this Wound care device 10A on the wound 31, this assembly 13A with hole can directly contact with dressing 40, and transudate, blood or other infected material can more directly and apace be drawn out of.

See also embodiment illustrated in fig. 5ly, this Wound care device 10B comprises the assembly 13B that one first body 11B, one second body 12B and have hole, and wherein, this first body 11B is the thin film with stickiness, is provided with at least one first hole (scheming not shown); The second body 12B is made by the material with pliability and water proofing property, is provided with at least one second hole 121B and at least one the 3rd hole 122B, and this second hole 121B and the 3rd hole 122B are interconnected and form an accommodation space in this second body 12B inside; Assembly 13B with hole is arranged in the accommodation space of this second body 12B.The characteristics of present embodiment are, this second body 12B runs through this first body 11B, the second hole 121B and the 3rd hole 122B of this second body 12B are stretched out respectively outside the bottom surface 113B and end face 112B of this first body 11B, be provided with mucigel in the bottom surface 113B of this first body 11B.

And it is embodiment illustrated in fig. 6 based on Fig. 5 embodiment, this Wound care device 10C comprises the assembly 13C that one first body 11C, one second body 12C and have hole, this second body 12C runs through this first body 11C, the second hole 121C and the 3rd hole 122C of this second body 12C are stretched out respectively outside the bottom surface 113C and end face 112C of this

first body

11C, 113C is provided with mucigel in the bottom surface of this first body 11, the characteristics of present embodiment are that this assembly 13C with hole extends the outer certain-length of this second body 12C by this second hole 121C.

Each embodiment as can be known in sum, Wound care device provided by the invention, has first body of stickiness by this, can carry out in order to negative pressure wound treatment in the peripheral sealed environment that forms of wound, simultaneously by having flexual second body design, can be with the link position of negative pressure source conduit away from wound, avoiding conduit to be positioned at the wound top produces structural obstructions or pushes the sense of discomfort that wound causes sufferer, and the situation that can avoid conduit to block because of bending takes place, in addition, this assembly with hole can form filtration to transudate, avoids foreign material such as lump contained in the transudate to flow in the conduit that connects negative pressure source and causes pipe obstruction.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims

1. a Wound care device is characterized in that, comprises:

One first body, it is the thin film with stickiness, this first body is provided with at least one first hole;

One second body, it is made by the material with pliability and water proofing property, this second body is provided with at least one second hole and at least one the 3rd hole, this second hole and the 3rd hole are interconnected and form an accommodation space in this second body interior, this second body is connected in this first body, and this second hole correspondence is arranged at the position of this first hole;

At least one assembly with hole, it is arranged in the accommodation space of this second body.

2. Wound care device according to claim 1 is characterized in that, this first body is different with the material of this second body.

3. Wound care device according to claim 1 is characterized in that, the material of this second body is PVC.

4. Wound care device according to claim 1 is characterized in that, this assembly with hole is PU or PVA.

5. Wound care device according to claim 1 is characterized in that, this assembly with hole is gauze or cotton thread.

6. Wound care device according to claim 1 is characterized in that this pore-size with assembly of hole is positioned at the scope of 200～1500 μ m.

7. Wound care device according to claim 1 is characterized in that this pore-size with assembly of hole is positioned at the scope of 400～800 μ m.

8. Wound care device according to claim 1 is characterized in that, the 3rd hole of this second body is provided with a joint.

9. Wound care device according to claim 1 is characterized in that, this second body is rectangular bag shape, and the one end is provided with this second hole, and the other end is provided with the 3rd hole.

10. Wound care device according to claim 1 is characterized in that, this assembly with hole is extended the outside certain-length of this first body by this second hole.

11. Wound care device according to claim 1 is characterized in that, this second body is connected in the wherein one side of this first body, is provided with mucigel in the another side of this first body.

12. a Wound care device is characterized in that, comprises:

One second body, it is made by the material with pliability and water proofing property, this second body is provided with at least one second hole and at least one the 3rd hole, this second hole and the 3rd hole are interconnected and form an accommodation space in this second body interior, this second body runs through this first body, makes second hole of this second body and the two sides that the 3rd hole stretches out this first body respectively;

13. Wound care device according to claim 12 is characterized in that, is provided with mucigel in the wherein one side of this first body.

14. Wound care device according to claim 13 is characterized in that, this mucigel is arranged at this first body and provides on this face that second hole stretches out.

15. Wound care device according to claim 12 is characterized in that, this assembly with hole extends this second external certain-length by this second hole.