CN212592711U - Alginate sterile plaster for venous wound - Google Patents

Abstract

The utility model relates to an aseptic applying ointment or plaster of alginate for vein wound, the applying ointment or plaster comprises sticky strip, basic unit, imbibition layer, absorbed layer and the protective layer of arranging in proper order, the sticky strip is elasticity paste bandage, the imbibition layer is including the peripheral imbibition layer that contains alginate foam dressing and the core imbibition layer that inlays the alginate dressing that contains silver ion in middle zone, the absorbed layer is the square setting and puts at imbibition layer central point, be provided with evenly distributed and run through the observation hole on upper and lower surface on imbibition layer and the absorbed layer. The utility model discloses have stronger adaptability, can adapt to wrapping of human different positions well and fix, the observation hole of applying ointment or plaster can make things convenient for medical personnel to observe the actual healing condition of wound, changes the dressing according to the demand, reduces the secondary injury to the wound, has higher adsorptivity and gas permeability simultaneously, promotes wound healing.

Description

Alginate sterile plaster for venous wound

Technical Field

The utility model relates to the field of medical supplies, especially, relate to an alginate aseptic applying ointment or plaster for vein wound.

Background

A medical product like a wound paste is applied in a sterile way, and consumables are commonly used. Is used for debridement and bandaging of different wounds and is beneficial to wound healing. The application of the dressing patch benefits from the development of the wound healing theory. Recent researches show that a proper wet environment is more favorable for promoting wound healing, the wet environment can enable a wound surface to be in a closed or semi-closed environment, the new granulation tissue is prevented from being mechanically damaged again when dressing change is carried out, dressing change pain is relieved, a proper environment for wound healing is provided, release of various growth factors is promoted, and the wound healing speed is accelerated. Can also regulate oxygen tension and promote angiogenesis, is beneficial to dissolving necrotic tissues and fibrin, relieves pain and reduces infection incidence.

The high water content of the dressing makes a very clear distinction from conventional plasters:

(1) high comfort, wetting and adhesion, can locally and microscopically adjust the position at any time after being applied, and cannot influence the adhesive force and the use of adhesion again. Can not form a glue-solid state on the skin, and naturally has no disadvantages of tearing sweat hair, pain, local red swelling, pruritus, pimple and the like when being torn off. The latter is a traditional plaster.

(2) High extensibility-the non-woven fabric used by the preparation is a variety with good extensibility in any direction, and when the ointment is applied to joints with large mobility and other parts, the ointment can be completely stretched along with the extension of the joints and the skin. The discomfort of tearing and dragging the plaster at the joint part is relieved.

(3) High permeability-can ensure that the contained medicine can quickly permeate into the skin of a human body in a short time and quickly reach local tissues. The ointment has small dosage, and the drug concentration detected in local joint cavity liquid after application is far higher than that in blood. Within a certain time, the application time is in direct proportion to the concentration of the medicine in the local joint cavity.

(4) High reliability-few causing discomfort reactions such as allergy. Because the medicine has single component and small molecular weight, the user reflects that the plaster with larger molecules and low water content is much safer. Years of clinical use survey shows that the product has anaphylactic and other reactions of only 2.3 percent.

Chinese patent CN109172149A discloses an alginate dressing patch, which is characterized in that: including dressing subsides body, dressing subsides body includes from type paper layer, pressure sensitive adhesive layer, medical unwoven cloth layer and the outside waterproof layer that sets gradually by supreme down, medical unwoven cloth layer and pressure sensitive adhesive layer's interlude sets up oval-shaped dressing and deposits holding chamber etc.. Although the utility model has the advantages of simple structure, the practicality is strong, but has lacked the design that is applied to required part when wound resumes and presses pressure for the time that the wound was bled increases, has increased the change frequency of dressing, still lacks the observation hole that can make things convenient for medical personnel to observe the actual healing condition of wound in addition, is convenient for change the dressing according to the demand, reduces the secondary injury to the wound.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space did not list all details and contents in detail, however, this is by no means the present invention does not possess these prior art features, but on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an alginate is aseptic applies ointment or plaster for vein wound, at least including applying ointment or plaster, apply ointment or plaster by adhesive tape, basic unit, imbibition layer, absorbed layer and the protective layer of arranging in proper order and constitute, wherein: the imbibition layer includes peripheral imbibition layer and core imbibition layer at least, the imbibition layer is provided with evenly distributed and runs through the first observation hole on the surface of imbibition layer.

According to a preferred embodiment, the liquid absorbent layer and the base layer are square and parallel to each other, and the area of the liquid absorbent layer is smaller than that of the base layer; the core liquid absorbing layer is embedded into the peripheral liquid absorbing layer in a mode that four corners of a plane figure of the core liquid absorbing layer are located at the middle points of four edges of the peripheral liquid absorbing layer, and is integrally connected with the peripheral liquid absorbing layer, and the thickness of the peripheral liquid absorbing layer is the same as that of the core liquid absorbing layer.

According to a preferred embodiment, the absorbable layer is an acellular dermal matrix, the absorbable layer is parallel to the core liquid absorbing layer, the area of the absorbable layer is smaller than that of the core liquid absorbing layer, and second observing holes which are uniformly distributed and penetrate through the surface and are communicated with the first observing holes in the liquid absorbing layer are formed in the absorbable layer.

According to a preferred embodiment, the core liquid absorbent layer and the absorbent layer contacting portion are detachably combined.

According to a preferred embodiment, the base layer is coated with a medical pressure sensitive adhesive at a position in contact with the liquid absorbent layer, and the square outer periphery of the liquid absorbent layer is coated with a medical pressure sensitive adhesive.

According to a preferred embodiment, the base layer is a transparent polyurethane film with high gas permeability.

According to a preferred embodiment, the application is provided with at least two of said adhesive strips which completely cover four corners of the substrate.

According to a preferred embodiment, the end of the adhesive strip is further provided with a non-adhesive bridge for facilitating tearing off the bandage.

According to a preferred embodiment, the protective layer is a release paper.

The utility model provides a promote medical supplies of vein wound healing, at least including aseptic cotton ball of disinfection and alginate aseptic applying ointment or plaster, the application ointment or plaster comprises adhesive tape, basic unit, imbibition layer, absorbed layer and the protective layer of arranging in proper order, wherein: the imbibition layer includes peripheral imbibition layer and core imbibition layer at least, the imbibition layer is provided with evenly distributed and runs through the first observation hole on the surface of imbibition layer.

The beneficial technical effects of the utility model include following one or more:

1. the bandage is provided with the bandage and a multi-layer application structure, so that the local pressing pressure required by wound recovery can be generated, the bandage can be firmly stuck at a wound, and the design of the bandage can be suitable for binding and fixing different parts of a human body.

2. The multiple combined liquid absorption layers are arranged, so that the sterilization effect on the wound part can be ensured, the exudate of the wound can be efficiently absorbed, and the cleanness and the sanitation of the wound are ensured.

Drawings

FIG. 1 is a schematic view of the structure of a preferred embodiment of the alginate sterile patch of the present invention with the protective layer removed;

FIG. 2 is a schematic cross-sectional side view of the alginate sterile patch of the present invention; and

figure 3 is a schematic view of the structure of the protective layer of the alginate sterile patch of the invention.

List of reference numerals

1: application 11: base layer 12: liquid absorption layer

121: peripheral liquid absorbent layer 122: core liquid absorbent layer 13: absorbable layer

141: first observation hole 142: second observation hole 15: adhesive strip

151: non-adhesive bridge joint 16: protective layer

Detailed Description

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should also be understood that unless otherwise explicitly specified or limited, "over" or "under" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following detailed description is made with reference to fig. 1 to 3.

As shown in figure 2, the alginate aseptic patch for the venous wound of the utility model at least comprises a patch 1, wherein the patch 1 is composed of an adhesive strip 15, a base layer 11, a liquid absorbing layer 12, an absorbable layer 13 and a protective layer 16 which are arranged in sequence.

According to a specific embodiment, as shown in fig. 1, the liquid absorbent layer 12 at least comprises a peripheral liquid absorbent layer 121 and a core liquid absorbent layer 122, preferably, the peripheral liquid absorbent layer 121 is an alginate foam dressing, the foam dressing can improve the absorption amount of exudate to a certain extent, the core liquid absorbent layer 122 is an alginate dressing containing silver ions, the silver ions have a certain antibacterial and bactericidal effect and help the wound heal faster, in addition, the average thickness of the liquid absorbent layer 12 is 4-5mm, and the thickness of the core liquid absorbent layer 122 is greater than or equal to that of the peripheral liquid absorbent layer 121. The combined design of the two liquid absorption layers ensures the liquid absorption of the dressing, absorbs the exudate of the wound surface and prevents the exudate or the blood from remaining on the surface of the wound surface to cause wound surface infection; the liquid absorbent layer 12 is provided with first observation holes 141 uniformly distributed and penetrating the surface. The transparent base layer 11 is penetrated, the healing condition of the wound surface can be observed at any time, and whether the wound dressing is replaced or not can be determined according to the actual condition of the wound surface healing, so that the times of unnecessarily replacing the wound dressing are reduced, and the pain of a patient is relieved.

Preferably, the liquid absorbent layer 12 and the base layer 11 are square and parallel to each other, the area of the liquid absorbent layer 12 is smaller than that of the base layer 11, and the liquid absorbent layer 12 is directly stacked on the central area of the surface layer of the base layer 11; core imbibition layer 122 is located the mode of the mid point on four limits of peripheral imbibition layer 121 according to four corners of its plane figure, embed into peripheral imbibition layer 121, be connected with peripheral imbibition layer 121 integral type, when guaranteeing the imbibition effect, because four corners of core imbibition layer 122 do not wrap up by peripheral imbibition layer 121 completely, the edge edges and corners that have formed core imbibition layer 122 do not have the gap of peripheral imbibition layer 121 parcel, peripheral imbibition layer 121 has directly been passed to the edge edges and corners of core imbibition layer 122, be favorable to the flash evaporation of effusion to a certain extent, promote the surface of a wound respiration, promote the healing of the surface of a wound.

Preferably, the absorbable layer 13 is an acellular dermal matrix, which can be vascularized and absorbed by the wound to provide a scaffold for the growth of tissue cells and promote the healing of the wound. Absorbable layer 13 is parallel with core imbibition layer 122, and the area of absorbable layer 13 is less than the area of core imbibition layer 122, the area of absorbable layer is greater than the wound area, during clinical use, but the application of multiple specification is designed, satisfy the demand of not equidimension wound, in addition, be provided with on the absorbable layer 13 with the first evenly distributed who observes the mutual intercommunication of hole 141 on imbibition layer 12 and run through the second observation hole 142 on surface, be different from the conventional application, be convenient for observe the wound healing condition under the condition of not taking apart the application, be favorable to medical personnel to control reasonable change time.

Preferably, in order to connect the core liquid absorbent layer 122 and the absorbent layer 13 before use and ensure that the core liquid absorbent layer 122 and the absorbent layer 13 are separated from each other on the surface of the human body during use, the liquid absorbent layer 12 can be removed when the dressing is replaced, the absorbent layer is absorbed by the wound, and the contact parts of the core liquid absorbent layer 122 and the absorbent layer 13 are combined together in a heat sealing manner.

Preferably, the position of the base layer 11 contacting the liquid absorbent layer 12 is coated with medical pressure sensitive adhesive to realize the integral connection of the base layer 11 and the liquid absorbent layer 12, and the square periphery of the liquid absorbent layer 12 is coated with medical pressure sensitive adhesive to realize the adhesion of the base layer 11 on the wound periphery area, so as to primarily fix the dressing on the skin.

Preferably, the base layer 11 is a transparent polyurethane film with high air permeability, the polyurethane film has good air permeability, the whole air permeability of the dressing is not affected, and the wound healing condition can be observed in real time through the observation ports communicated with the liquid absorption layer 12 and the absorbable layer 13 through the base layer 11.

Preferably, the sticky strip 15 has two at least, can cover four corners of basic unit 11 completely, sticky strip 15 is an elasticity and pastes the bandage, its material is non-woven fabrics rayon, the use of pasting 15 can be very firm will be applied ointment or plaster in wound department, can also be applicable to the wrapping of human different positions and fix, even activity joint department also can guarantee well fixed effect, increase the local pressure that produces of applying ointment or plaster to the wound in addition, promote the healing of wound, still can prevent that the corner perk of the basic unit 11 of applying ointment or plaster from causing the pollution to imbibition layer 12 and absorbable layer 13.

Preferably, each end of the adhesive strip 15 is also provided with a non-adhesive bridge 151 to facilitate tearing of the bandage, which can assist the healthcare worker in easier detachment of the protective layer 16 during use.

Preferably, the protective layer 16 shown in fig. 3 is a release paper, which has a certain moisture resistance and heat resistance, and sufficient compactness, and can protect the application 1 from contamination from the outside while preventing adhesion with the application 1.

Example 2

The utility model discloses still provide a medical supplies that promotes vein wound healing, at least including aseptic cotton ball of disinfection and the aseptic application of alginate, a serial communication port, application 1 comprises sticky strip 15, basic unit 11, imbibition layer 12, absorbable layer 13 and the protective layer 16 of arranging in proper order, wherein:

the liquid absorbent layer 12 at least includes a peripheral liquid absorbent layer 121 and a core liquid absorbent layer 122, and the liquid absorbent layer 12 is provided with first observation holes 141 that are uniformly distributed and penetrate the surface of the liquid absorbent layer 12.

For ease of understanding, the principles of operation and method of use of the present invention, an alginate sterile patch for venous wounds, will be discussed.

The utility model provides an aseptic applying ointment or plaster of alginate need be earlier selected according to the application of a plaster of different specifications of wound size when using, confirm the specification after, at first tear the protective layer 16 of applying ointment or plaster, aim at the wound with the absorbed layer, press gently, then there is medical pressure-sensitive adhesive's region in the liquid absorption layer 12 outside of rethread 1 preliminary fixation will be applied ointment or plaster at corresponding wound, then with sticky strip 15 with comparatively tight mode, paste on the skin around the wound, both can guarantee well that the application is applicable to the different positions of human body and wrap fixedly, include that the big place of flexible range also can guarantee well fixed effect such as freely movable joint, again can be through hugging closely the adhesive force of skin around, increase the local pressure of applying ointment or plaster to the wound, promote wound healing. Wherein, because acellular dermal matrix can be vascularized, absorbed by the wound, for histiocyte's growth provides the support, promotes the healing of wound, so acellular dermal matrix is chooseed for use to absorbable layer 13, in addition in order to guarantee absorbable layer 3 and imbibition layer 12 fixed connection, will realize again and can part easily when using to disassemble, this application adopts the mode of heat seal to link together absorbable layer 3 and imbibition layer 12. Finally in order to realize that the imbibition layer can disinfect and inhibit bacteria and can absorb wound exudate as much as possible, this application helps wound faster healing through the alginate dressing that will contain silver ion and alginate foam dressing combination.

It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (9)

1. An alginate sterile patch for venous wounds, comprising at least a patch (1), characterized in that the patch (1) is composed of an adhesive strip (15), a base layer (11), a liquid absorbent layer (12), an absorbent layer (13) and a protective layer (16) arranged in sequence, wherein:

the liquid absorbing layer (12) at least comprises a peripheral liquid absorbing layer (121) and a core liquid absorbing layer (122), and the liquid absorbing layer (12) is provided with first observation holes (141) which are uniformly distributed and penetrate through the surface of the liquid absorbing layer (12).

2. An alginate sterile dressing according to claim 1 wherein the wicking layer (12) is square and parallel to the base layer (11), the wicking layer (12) having an area smaller than the area of the base layer (11); the core liquid absorbent layer (122) is embedded in the peripheral liquid absorbent layer (121) in a manner that four corners of a planar figure of the core liquid absorbent layer are located at midpoints of four sides of the peripheral liquid absorbent layer (121), and is integrally connected with the peripheral liquid absorbent layer (121), and the thickness of the peripheral liquid absorbent layer (121) is the same as that of the core liquid absorbent layer (122).

3. An alginate sterile dressing according to claim 2, wherein said absorbent layer (13) is parallel to said core wicking layer (122) and the area of said absorbent layer (13) is smaller than the area of said core wicking layer (122), and wherein said absorbent layer (13) is provided with second evenly distributed and through-surface viewing holes (142) in communication with said first viewing holes (141) in said wicking layer (12).

4. An alginate sterile dressing according to claim 3, wherein the contacting portions of the core wicking layer (122) and the absorbent layer (13) are detachably connected together.

5. An alginate sterile dressing according to claim 4 wherein the said base layer (11) is coated with a medical pressure sensitive adhesive at the location of contact with the said liquid absorbent layer (12), and the said liquid absorbent layer (12) is coated with a medical pressure sensitive adhesive at the square outer periphery.

6. An alginate sterile dressing according to claim 5, characterized in that said substrate (11) is a highly breathable transparent polyurethane film.

7. An alginate sterile dressing according to claim 6, wherein said dressing (1) is provided with at least two said adhesive strips (15) capable of completely covering four corners of said substrate (11).

8. An alginate sterile dressing according to claim 7, wherein the ends of said adhesive strip (15) are further provided with non-adhesive bridges (151) to facilitate tearing off the bandage.

9. An alginate sterile dressing according to claim 8, wherein said protective layer (16) is a release paper.

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