CN204814406U - From dressing for wound of trompil drainage type - Google Patents

Abstract

The utility model relates to a from dressing for wound of trompil drainage type belongs to medical supplies technical field. Including back sheet, flexure strip membrane and inviscid rete, on the flexure strip membrane is fixed in the back sheet, the epimembranal edge of a knife that is provided with of flexure strip, this edge of a knife sets up along the width direction of flexure strip membrane to link up the back sheet, the edge of a knife has multirow, multiseriate to form the infiltration area at the epimembranal dislocation evenly distributed of flexure strip, and the length of every edge of a knife is 5 -20mm, and the row pitch is 2 -8mm, and the column pitch is 1 -5mm, inviscid rete be provided with two, alternately imbrication is epimembranal in the flexure strip for these two inviscid retes. Will the utility model discloses be applied to clinically, it can be high, with low costs from trompil drainage, security to have, use advantages such as convenient.

Description

A kind of from the dressing of perforate conduction type wound

Technical field

This utility model relates to a kind of from the dressing of perforate conduction type wound, belongs to field of medical article technology.

Background technology

The maximum sepage conduction type dressing of the current world, domestic use mostly is kpetrolatum gauze (as shown in Figure 1), soak into medical petrolatum oil by the degreasing cotton gauze 1a of large mesh to form, cover during use on wound, skin covers absorption-type dressing again, as sterile gauze, absorbent cotton, Medical coating core etc., sepage is oozed out by the mesh 2a of gauze, is absorbed by outer field absorbent dressing; This wound care mode make use of the water repellency of vaseline and the permeability of large mesh gauze 1a, wound can be made sepage to be discharged at short notice, thus can not flood wound; Its shortcoming covers for a long time on wound vaseline is run off gradually, forms layer of forming a scab, cause wound and gauze to be bonded together after sepage and absorbent carbasus 1a infiltrate, easily wound is damaged when changing dressings, bring secondary injury to patient, increase patient mental painful, the corresponding lengthening of healing time; And absorbent carbasus can drop out tiny loose wire head, easily remains in wound, can not get process for a long time and can form chronic wounds; Because kpetrolatum gauze is with low cost, be still widely used in wound care at present.

For solving the wound adhesion problem that above conventional dressing produces, numerous enterprises has successively carried out multiple improvement in the world, OilEmulsionDressing is more widely used over as past in American-European countries 20 years, exactly change is done to absorbent carbasus base material, the inviscid acetate fiber refusing water is used to substitute the absorbent carbasus producing adhesion with sepage as raw material woven base fabric, extend the service time of dressing to a certain extent, reduce and to change dressings the frequency, but still can not stop the adhesion that dressing and wound produced by sepage completely.

The excellent of yogurt company of France production opens up the inviscid moisturizing drain product that (Urgotul) Lipido-colloid dressing is a kind of new utility model, use and nontoxic, non-irritatingly refuse water SEBS elastomer and medical ventolin, gel that the CMC material of medical liquid paraffin and high moisture absorption reconciles into a small amount of moisture absorption, the polyester fiber refusing water is used to be woven into large mesh base cloth, again a small amount of absorbent gelling be in harmonious proportion is coated in polyester fiber base cloth with special process, retains mesh penetrating not blocked; It uses with kpetrolatum gauze similar, the dressing of outer covering absorption-type, this kind of product can absorb sepage on a small quantity, thus maintenance wound moist, unnecessary sepage can be absorbed by outer dressing by quick drainage, due to the combination of elastomeric material and vaseline, dressing and wound can be accomplished, completely without sticky, even need not be able to change up to wound healing (need only change outer absorbent dressing) the opening wound be suitable for; But this product processing technique is complicated, raw material is required relatively stricter, and price comparison is expensive, is used for burn at present;

Along with the generally application of Silica hydrogel, Silica hydrogel has no side effect, medical field is widely used in without sensitization and without advantages such as skin irritations, it is used in the drain of sepage especially gradually to the inviscid of skin, nimonic company of current Sweden takes the lead in using Silica hydrogel to process inviscid drain launch products, obtain good result, Mepitel(in its series of products is as shown in Figure 2) be exactly that Silica hydrogel 1b is coated on backing film, be processed into netted with punching form after oven dry, in use procedure, product is directly overlayed on wound, outer fixing absorption-type dressing, sepage is by aperture 2b drain, absorbed by outer dressing, Silica hydrogel 1b after mediation is inviscid to skin, be easy to change, common opening wound need not be able to be changed up to wound healing, this kind of dressing is easy to processing, material source is extensive, product easily realizes, but the punching of the finished product course of processing is cumbersome, waste material easily sticks to product is mixed in finished product affects product quality, material after excision can only scrap process, it is the waste to material.

Utility model content

In order to overcome use inconvenience existing for existing dressing, the defect such as processing cost is high, universality is poor, this utility model provides that a kind of application is convenient, base material utilization rate is high, sepage residual rate is low from the dressing of perforate conduction type wound.

For achieving the above object, the technical scheme taked of this utility model is as follows:

A kind of from the dressing of perforate conduction type wound, comprise backing layer, flexure strip film and inviscid rete, flexure strip film is fixed on backing layer, described flexure strip film is provided with the edge of a knife, and this edge of a knife is arranged along the width of flexure strip film, and through backing layer, the edge of a knife misplaces and is evenly distributed with multirow on flexure strip film, multiple row forms infiltration area, the length of each edge of a knife is 5-20mm, and line space is 2-8mm, and column pitch is 1-5mm; Described inviscid rete is provided with two panels, and the inviscid rete of this two panels intersects imbrication on flexure strip film.

Further, as preferably:

Described flexure strip film is also provided with hand-held limit, and hand-held limit is symmetricly set in both sides, infiltration area.

When described hand-held limit is pulled open to both sides, edge-shaped diamondwise hole.

Described flexure strip film is moisturizing elastomer, and more preferably, described moisturizing elastomer is mixed type Silica hydrogel.

Described dislocation mode arranges and refers to: in two adjacent row, previous column edge of a knife position and rear string edge of a knife position only only have part to be positioned in same level.

The length of the described edge of a knife is 5-20mm, and line space is 2-8mm, and column pitch is 1-5mm.

Described backing layer is the layer structure that polyamide membrane, silicone rubber membrane, polyurethane film or thermoplastic polyurethane are formed.

Described inviscid film is the one in mould release membrance or release paper.

This utility model take Silica hydrogel as main material, after being mixed to form mixed type Silica hydrogel, be coated on the flexible backing layer of high strength, the penetrating cutting of dislocation fixed length carried out to the backing layer of coating mixed type Silica hydrogel and forms the edge of a knife, namely can be used as dressing after sterilizing and use.In use, the both sides along the backing layer of silicon-coating gel outwards stretch a little, edge of a knife distortion is formed can for the rhombus hole of drain, are directly covered with Wound contact by flexure strip film, more outerly cover with absorbent dressing at it and fix; No matter in processing or use procedure, all there will not be the excision of Silica hydrogel, both the waste of material had been avoided, it also avoid the material that such as punching and so on is caused remains into safety problems such as wounds simultaneously, the utilization rate of Silica hydrogel is high, safety is good, because hand-held limit one, hand-held limit two are symmetricly set in both sides, infiltration area, and the edge of a knife adopts dislocation cutting mode, when being applied to clinical by this utility model, under external force, the edge of a knife automatically splits and forms rhombus hole, be very beneficial for extraction and the derivation of sepage, use more convenient.Wherein, this utility model forms lamellar by the thin film of flexible backing layer and Silica hydrogel, and during use, Silica hydrogel face directly contacts with wound; Silica hydrogel of the present utility model and elastic backing film apply dry after together with strong bonded, not easily delamination; Sheet products of the present utility model is dislocatedly distributed uniformly the penetrating edge of a knife, and hand-held limit is without cutting knife; The waste material that deducting punches brings cannot process and the risk of polluted product; For convenience of the use of this utility model dressing, guarantee safety and convenience, noncohesive film can be used to cover in flexure strip film (i.e. the one side of Silica hydrogel and Wound contact) and form inviscid rete, taking this inviscid rete in use off can come into operation.

This utility model is sterile product, uses the packaging bag mmic package with bacterial barriers effect; Product after packaging need through sterilization treatment; When Silica hydrogel mixing is in harmonious proportion, its final viscosity need lower than 20000mpa.s; And the tensile break strength of selected flexible backing layer must not lower than 10N/25mm; Mixed type Silica hydrogel is coated in glue sheet finished product thickness that flexible backing layer is formed in 0.2 ~ 2mm scope, and knife edge length is according to trimmed size size in 5 ~ 20mm scope, and the hand-held hem width degree of flexure strip film should be not less than 6mm; Final finished product tack should be not less than 10# steel ball (GB/T31125 adhesive tape tack test method); Hold viscosity 100g counterweight should be used to be not less than 100min(GB4851 pressure-sensitive tape hold Adhesion Test Method).

Accompanying drawing explanation

Fig. 1 is the structural representation of conventional kpetrolatum gauze;

Fig. 2 is the Lipido-colloid dressing of French yogurt;

Fig. 3 is sectional view of the present utility model;

The plan structure schematic diagram of Fig. 4 this utility model product;

Fig. 5 is the structural representation of this utility model Elastic sheet film;

Fig. 6 is this utility model using state schematic diagram.

Number in the figure: 1. backing layer; 2. flexure strip film; 21. infiltration areas; 22. hand-held limits one; 23. hand-held limits two; 3. inviscid rete; 31. inviscid films one; 32. inviscid films two; 4. the edge of a knife; 41. rhombus holes.

Detailed description of the invention

Embodiment 1

The present embodiment is a kind of from the dressing of perforate conduction type wound, composition graphs 3 and Fig. 4, comprise backing layer 1, flexure strip film 2 and inviscid rete 3, and flexure strip film 2 is fixed on backing layer 1, flexure strip film 2 is provided with the edge of a knife 4, composition graphs 5, this edge of a knife 4 is arranged along the width of flexure strip film 2, and through backing layer 3, the edge of a knife 4 misplaces and is evenly distributed with multirow on flexure strip film 2, multiple row forms infiltration area 21, the length of each edge of a knife 4 is 12mm, and line space is 3mm, and column pitch is 1.5mm; Inviscid rete 3 is provided with two panels, is called inviscid film 1 and inviscid film 2 32, and inviscid film 1 and inviscid film 2 32 intersect imbrication on flexure strip film 2.Wherein, flexure strip film 2 is also provided with hand-held limit 1 and hand-held limit 2 23, hand-held limit 1 and hand-held limit 2 23 are symmetricly set in both sides, infiltration area 21; In the present embodiment, the moisturizing elastomer that flexure strip film 2 for mixed type Silica hydrogel is coated on, backing layer 3 is formed.

Wherein polyamide membrane is backing layer 1, and mixed type Silica hydrogel forms flexure strip film 2, the thin blade that uses width to be 12mm misplaces penetrating cutting gel diaphragm, diaphragm is formed the edge of a knife 4 that penetrating width is 12mm, in two adjacent row, previous column edge of a knife position and rear string edge of a knife position only only have part to be positioned in same level, the same linear distance (i.e. line space) between the edge of a knife 4 is kept to be 3mm, parallel vertical distance (i.e. column pitch) 1.5mm of dislocation, the above-mentioned edge of a knife 4 forms infiltration area 21, 10mm is vacated at the edge, the left and right sides of flexure strip film 2, form hand-held limit 1 and hand-held limit 2 23 respectively, hand-held limit 1 and hand-held limit 2 23 symmetry are respectively at both sides, infiltration area 21, for convenience of the use of the present embodiment wound dressing, guarantee safety and convenience, flexure strip film 2(after cutting and the one side of Silica hydrogel and Wound contact) two panels silica gel PE film on alternate covering, this two panels silica gel PE film is inviscid film 1 and inviscid film 2 32, inviscid film 1 is identical with inviscid film 2 32 length, and be all greater than half length of flexure strip film 2, the inviscid film 2 32 side local complexity corresponding with inviscid film 1 is on inviscid film 1, realize alternate covering, above-mentioned finished product is put into sterilizing bag sealing sterilizing.

The present embodiment is main material with Silica hydrogel, after being mixed to form mixed type Silica hydrogel, is coated on the flexible backing layer 1 of high strength, carries out the penetrating cutting of dislocation fixed length and forms the edge of a knife 4, namely can be used as dressing and use the backing layer 1 of coating mixed type Silica hydrogel.In use, composition graphs 6, promptly hand-held limit 1 and hand-held limit 2 23, outwards stretch a little along arrow direction, the edge of a knife 4 is out of shape the rhombus hole 41 being formed and can supply drain, flexure strip film 2 is directly covered with Wound contact, more outerly covers with absorbent dressing at it and fix, can the coated of wound be carried out.

Compared with the coated gauze of routine and existing Silica hydrogel series products, no matter the wound dressing of the present embodiment be in processing or use procedure, all there will not be the excision of Silica hydrogel, both the waste of material had been avoided, it also avoid the material that such as punching and so on is caused remains into safety problems such as wounds simultaneously, the utilization rate of Silica hydrogel is high, and safety is good; Because hand-held limit 1, hand-held limit 2 23 are symmetricly set in both sides, infiltration area 21, and the edge of a knife 4 adopts dislocation cutting mode, by the present embodiment products application when clinical, take inviscid film 1 off and inviscid film 2 32 can come into operation, under external force, the edge of a knife 4 automatically splits and forms rhombus hole 41, is very beneficial for extraction and the derivation of sepage, uses more convenient.

The mode that the dressing of the present embodiment wound adopts the edge of a knife 4 to combine with flexure strip film 2 realizes the water conservancy diversion of sepage, 4, the edge of a knife only needs under less External Force Acting, namely deformable forms diamond-shaped interstices 41 from perforate, overall processing mode is easy, Silica hydrogel utilization rate is high, and finished product processing cost is low, easy to use, deposit conveniently, safety and practicality are all good.

Embodiment 2

The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: be provided with tack coat that silane coupling agent is formed between backing layer 1 and flexure strip film 2, silicone rubber membrane is as backing layer 1, the edge of a knife 4 is through flexure strip film 2 and backing layer 1, in the present embodiment, flexure strip film 2 and flexible backing layer 1 pass through together with tack coat strong bonded, not easily delamination.

Embodiment 3

The present embodiment is identical with operation principle with the setting of embodiment 1, and difference is: silicone rubber membrane is backing layer 1, and mixed type Silica hydrogel forms flexure strip film 2; The thin blade that uses width to be 10mm misplaces penetrating cutting gel diaphragm, diaphragm is formed the edge of a knife 4 that penetrating width is 10mm, in two adjacent row, previous column edge of a knife position and rear string edge of a knife position only only have part to be positioned in same level, same linear distance (i.e. line space) between the maintenance edge of a knife 4 is 2.5mm, the parallel vertical of dislocation distance (i.e. column pitch) 3mm, the above-mentioned edge of a knife 4 forms infiltration area 21, and 8mm is vacated at the edge, the left and right sides of flexure strip film 2; Inviscid rete 3 adopts silicone oil type release paper.

Embodiment 4

The present embodiment is identical with operation principle with the setting of embodiment 1, and difference is: polyurethane film is backing layer 1, and mixed type Silica hydrogel forms flexure strip film 2; The thin blade that uses width to be 15mm misplaces penetrating cutting gel diaphragm, diaphragm is formed the edge of a knife 4 that penetrating width is 15mm, in two adjacent row, previous column edge of a knife position and rear string edge of a knife position only only have part to be positioned in same level, same linear distance (i.e. line space) between the maintenance edge of a knife 4 is 8mm, the parallel vertical of dislocation distance (i.e. column pitch) 5mm, the above-mentioned edge of a knife 4 forms infiltration area 21, and 15mm is vacated at the edge, the left and right sides of flexure strip film 2; Inviscid rete 3 adopts the release PE film of silicone oil type.

Embodiment 5

The present embodiment is identical with operation principle with the setting of embodiment 1, and difference is: thermoplastic polyurethane is backing layer 1, and mixed type Silica hydrogel forms flexure strip film 2; The thin blade that uses width to be 5mm misplaces penetrating cutting gel diaphragm, diaphragm is formed the edge of a knife 4 that penetrating width is 5mm, in two adjacent row, previous column edge of a knife position and rear string edge of a knife position only only have part to be positioned in same level, same linear distance (i.e. line space) between the maintenance edge of a knife 4 is 2mm, the parallel vertical of dislocation distance (i.e. column pitch) 3.5mm, the above-mentioned edge of a knife 4 forms infiltration area 21, and 12mm is vacated at the edge, the left and right sides of flexure strip film 2; Inviscid rete 3 adopts silicone oil type PE mould release membrance.

Above-mentioned 5 embodiments have prepared the wound dressing of five kinds of different sizes respectively, because the aspects such as its Silica hydrogel proportioning, backing, edge of a knife parallel distance and product thickness exist difference: soft silicone viscose glue ratio 55%:45% in embodiment 1, viscosity 8000mpa.s, Silica hydrogel rubberization thickness 0.6mm, polyamide membrane makes backing, and in the ranks cutter is apart from 3mm, and between row, cutter is apart from 1.5mm, cover inviscid silica gel PE film, be applicable to many sepages growth healing stage wound; Embodiment 2 with the addition of one deck in advance and strengthens Silica hydrogel flexure strip film 2 and the coating of backing film 1 binding strength on backing film 1, strengthens the binding strength of backing layer and flexure strip rete; Embodiment 3, soft silicone viscose glue ratio 40%:60%, viscosity 10000mpa.s, Silica hydrogel rubberization thickness 0.45mm, silicone rubber membrane makes backing, and in the ranks cutter is apart from 2.5mm, and between row, cutter is apart from 3mm, covers silicone oil type release paper, is applicable to the healing stage wound of a small amount of sepage; Embodiment 4, soft silicone viscose glue ratio 36%:64%, viscosity 12000mpa.s, Silica hydrogel rubberization thickness 0.8mm, polyurethane film makes backing layer 1, and in the ranks cutter is apart from 8mm, between row, cutter is apart from 5mm, covers inviscid silicone oil PE film and forms inviscid rete 3, is applicable to the later stage wound that heals; Embodiment 5, soft silicone viscose glue ratio 58%:42%, viscosity 6000mpa.s, Silica hydrogel rubberization thickness 1mm, hot plastic polyurethane film makes backing, and in the ranks cutter is apart from 2mm, and between row, cutter is apart from 3.5mm, covers inviscid silicone oil PE film, is applicable to the type wound that festers in early days.

Above content is the further description done provided technical scheme in conjunction with the preferred embodiment of the present invention; can not assert that the present invention specifically implements to be confined to these explanations above-mentioned; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.

Claims (7)

1. one kind from the dressing of perforate conduction type wound, it is characterized in that: comprise backing layer, flexure strip film and inviscid rete, flexure strip film is fixed on backing layer, described flexure strip film is provided with the edge of a knife, and this edge of a knife is arranged along the width of flexure strip film, and through backing layer, the edge of a knife misplaces and is evenly distributed with multirow on flexure strip film, multiple row forms infiltration area, the length of each edge of a knife is 5-20mm, and line space is 2-8mm, and column pitch is 1-5mm; Described inviscid rete is provided with two panels, and the inviscid rete of this two panels intersects imbrication on flexure strip film.

2. as claimed in claim 1 a kind of from the dressing of perforate conduction type wound, it is characterized in that: described flexure strip film is also provided with hand-held limit, and hand-held limit is symmetricly set in both sides, infiltration area.

3. as claimed in claim 2 a kind of from the dressing of perforate conduction type wound, it is characterized in that: when described hand-held limit is pulled open to both sides, edge-shaped diamondwise hole.

4. as claimed in claim 1 a kind of from the dressing of perforate conduction type wound, it is characterized in that, described dislocation is uniformly distributed and refers to: in two adjacent row, previous column edge of a knife position and rear string edge of a knife position only only have part to be positioned in same level.

5. as claimed in claim 1 a kind of from the dressing of perforate conduction type wound, it is characterized in that: described knife edge length is 5-20mm, line space is 2-8mm, and column pitch is 1-5mm.

6. as claimed in claim 1 a kind of from the dressing of perforate conduction type wound, it is characterized in that: described backing layer is the layer structure that polyamide membrane, silicone rubber membrane, polyurethane film or thermoplastic polyurethane are formed.

7. as claimed in claim 1 a kind of from the dressing of perforate conduction type wound, it is characterized in that: described inviscid film is the one in mould release membrance or release paper.