A kind of Compound Water colloid medical dressingTechnical field
This utility model belongs to medical dressing field, is specifically related to a kind of Compound Water colloid medical dressing.
Background technology
Medical dressing is the important medical products of a class.Medical dressing is often used to perform the operation, change dressings etc. in therapeutic process and applies at patient's wound, plays the effect of hemostasis and protection wound, thus makes wound healing.Particularly; medical dressing covers on compromised skin wound surface; make skin before reconstruction or recovering; by medical dressing for wound healing provides a favourable microenvironment; wound surface is isolated from the outside, for the protection of wound surface on the one hand; dressing has imbibition ability on the other hand, can draw the liquid that wound surface oozes out, prevent the various problems because liquid body exudate causes.
Along with the high speed development of modern science and technology, the research of medical dressing field makes great progress.Traditional natural gauze (cotton pad) be the earliest, a most widely used class dressing, it has powerful and absorbs the ability of wound fluid fast, material economy, and the course of processing is simple; But it is too high to there is permeability, easily making wound surface dewater, need frequently change, easily there is many defects such as cross infection in easy and wound adhesion; When the many defects and new material of summing up traditional cotton class dressing existence continue to bring out, other Medical dressings also grow up gradually, and bearing hydrocolloid dressing is wherein a kind of.It is one of current state-of-the-art medical dressing; its main component is hydrocolloid-sodium carboxymethyl cellulose granule that a kind of hydrophilic ability is very strong; viscose glue medical with hypoallergenic; add that elastomer, plasticizer etc. form dressing main body jointly; its surface is that one deck has semipermeable poly membrane structure, mainly for the protection of wound, the effect such as moist environment that absorbs wound exudate, create wound.Bearing hydrocolloid dressing overcomes many defects of traditional dressing, but also there are some problems, and such as absorbability is not very strong, for the exudative wound surface of height, often needs to use other auxiliary dressing to strengthen absorbent properties; Product cost is more high.
Authorize on January 23rd, 2013 disclosed application number be 201220270545.0 Chinese patent provide a kind of Double-layer water colloid medical dressing, this dressing comprises the first hydrocolloid layer and the second hydrocolloid layer, first hydrocolloid layer and the second hydrocolloid layer fit tightly, and the area of the first hydrocolloid layer is less than the second hydrocolloid layer, for solving the problem that bearing hydrocolloid dressing viscosity declines and imbibition ability is limited, but adopt Double-layer water colloid significantly can increase the cost of bearing hydrocolloid dressing.
Utility model content
Technical problem to be solved in the utility model is, for the deficiencies in the prior art, provide a kind of Compound Water colloid medical dressing, cost is low, and imbibition ability is strong, has antibacterial functions.
For solving the problems of the technologies described above, the technical scheme that this utility model adopts is: a kind of Compound Water colloid medical dressing, comprise sealing coat, hydrocolloid layer, in described hydrocolloid layer, imbibition is set and applies core, described hydrocolloid layer lays resistance bacterium layer back to the one side of wound, described resistance bacterium layer is primarily of the polyurethane film composition of coating viscose glue, and the one side of described resistance bacterium layer coating viscose glue is bonding thus coated hydrocolloid layer with the edge of described hydrocolloid layer.
Described imbibition is applied on core and is applied anti-inflammation and sterilization medicated powder in advance.
It is cotton pad that core is applied in described imbibition.
The middle part that core is arranged at hydrocolloid layer is applied in described imbibition, and the middle part width that core is applied in described imbibition is greater than or equal to the width of two-end part.
The beneficial effects of the utility model are as follows: a kind of Compound Water colloid of this utility model medical dressing, comprise hydrocolloid layer, be mixed and processed primarily of elastic polymeric hydrogel and synthetic rubber and goo, there is the ability absorbing wound fluid, hydrocolloid is adopted to do base material, it can form the moistening gel of one deck after moisture absorption, the healing that can be wound provides an ideal wet environment, simultaneously, it has good viscosity, height wound closure, has good buffer action to antibacterial.Resistance bacterium layer, primarily of the polyurethane film composition of coating viscose glue, has the advantage such as semi permeability and hydrophobicity, polyurethane protective film can allow the small-molecule substances such as air through, and stop the macromole such as bacterial micro-organism through, thus effectively prevent wound infection; In addition, it has hydrophobic feature, Wound dressing will be caused to come off because of exopathogenic factors such as skin perspiration, soft comfortable; To hinder the coated hydrocolloid of bacterium layer, this bearing hydrocolloid dressing just has better waterproof, resistance bacterium function, and overall viscosity improves greatly.Imbibition cotton pad, permeability is high, and imbibition ability is strong, low price, makes simple, only needs in hydrocolloid layer, arrange a part of imbibition cotton pad, just can have better imbibition effect than the hydrocolloid layer under equal conditions.In imbibition cotton pad, apply a little anti-inflammation and sterilization medicated powder, due to the wettability of hydrocolloid, just can reach the effect to wound bactericidal antiphlogistic, take effect faster, the course for the treatment of is shorter, safety non-toxic; In addition, the middle part that core is arranged at hydrocolloid layer is applied in described imbibition, and the middle part width that core is applied in described imbibition is greater than or equal to the width of two-end part, be in order to the overall imbibition of dressing after power draw close in the middle of dressing, thus make dressing better to the cementation of skin, be not easy to come off.This utility model is rational in infrastructure, and compared with existing bearing hydrocolloid dressing, cost reduces, and liquid absorption increases, and anti-microbial property improves, and viscosity strengthens, difficult drop-off, longer service life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing this utility model done and describe in detail further.
Fig. 1: the structural representation of this utility model embodiment one;
Fig. 2: the structural representation of this utility model embodiment two;
Fig. 3: the planar structure schematic diagram of cotton pad in this utility model embodiment two.
Detailed description of the invention
Embodiment one
As shown in Figure 1, a kind of Compound Water colloid medical dressing, comprise sealing coat 1, sealing coat 1 is release paper or the mould release membrance of single piece type, also has hydrocolloid layer 2, arrange imbibition in hydrocolloid layer 2 and apply core 4, it is that the fiber-like that permeability is good, imbibition ability is strong applies core (such as polyurethane foam, cotton pad etc.) that core 4 is applied in imbibition; Hydrocolloid layer 2 lays resistance bacterium layer 3 back to the one side of wound, it is primarily of the polyurethane film composition of coating viscose glue, the one side that resistance bacterium layer 3 applies viscose glue is bonding thus coated hydrocolloid layer 2 with the edge of hydrocolloid layer 2, whole like this hydrocolloid layer is just within the parcel of resistance bacterium layer 3, and antibacterial effect is better.
In this embodiment, the middle part that core 4 is arranged at hydrocolloid layer 2 is applied in imbibition, and the middle part width that core 4 is applied in imbibition equals the width of two-end part, other can meet the shape of this requirement for rectangle, square etc.
Embodiment two
As shown in Figure 2, a kind of Compound Water colloid medical dressing, comprises sealing coat 1, and sealing coat 1 is release paper or the mould release membrance of two panels bridging type, also has hydrocolloid layer 2, arranges imbibition and apply core 4 in hydrocolloid layer 2, and imbibition applies core 4 for cotton pad; Hydrocolloid layer 2 lays resistance bacterium layer 3 back to the one side of wound, it is primarily of the polyurethane film composition of coating viscose glue, the one side that resistance bacterium layer 3 applies viscose glue is bonding thus coated hydrocolloid layer 2 with the edge of hydrocolloid layer 2, whole like this hydrocolloid layer is just within the parcel of resistance bacterium layer 3, and antibacterial effect is better.
In the present embodiment, imbibition is applied on core 4 and is applied anti-inflammation and sterilization medicated powder in advance, and the middle part that core 4 is arranged at hydrocolloid layer 2 is applied in imbibition, and the middle part width that core 4 is applied in described imbibition is greater than the width of two-end part, as shown in Figure 3, other meets this shape required to preferable shape.
Can select the hydrocolloid layer of suitable size, shape and thickness as the case may be, its concrete size, shape and thickness are not formed restriction of the present utility model.
During use, opened by sealing coat 1, hydrocolloid layer 2 is close to wound skin, the periphery of resistance bacterium layer 3 just can adhere on skin, improves the viscosity of original dressing; Because the middle part that core 4 is arranged at hydrocolloid layer 2 is applied in imbibition, namely reach the effect increasing wound exudate absorbtivity, and imbibition is applied on core 4 and is coated with anti-inflammation and sterilization medicated powder in advance, can reach the effect of better wound being carried out to bactericidal antiphlogistic.