CN209996605U

CN209996605U - novel surgical dressing

Info

Publication number: CN209996605U
Application number: CN201820517065.7U
Authority: CN
Inventors: 崔金海; 崔辉; 付开
Original assignee: Ogilvy Medical Supplies Ltd By Share Ltd
Current assignee: Ogilvy Medical Supplies Ltd By Share Ltd
Priority date: 2018-04-12
Filing date: 2018-04-12
Publication date: 2020-01-31
Anticipated expiration: 2028-04-12

Abstract

A novel surgical dressing comprises a degreasing gauze layer and a medical non-woven fabric layer, wherein the degreasing gauze layer is coated outside the medical non-woven fabric layer, the contact surface of the degreasing gauze layer and the medical non-woven fabric layer is interwoven and intertwined at to form a composite layer, the medical non-woven fabric layer has better liquid absorption capacity and liquid storage capacity, so that the liquid absorption of the surgical dressing can be improved, and the impregnation risk of a wound of a patient is reduced, meanwhile, the degreasing gauze layer and the medical non-woven fabric layer are interwoven and intertwined at to be compositely formed, so that the degreasing gauze layer and the medical non-woven fabric layer are interwoven firmly, the phenomena of layering, separation and yarn falling cannot be generated between the degreasing gauze layer and the medical non-.

Description

novel surgical dressing

Technical Field

The invention relates to the technical field of medical instruments, in particular to novel surgical dressings.

Background

The surgical gauze dressing is kinds of dressing widely used in of medical institutions, is mainly used for cleaning and stopping bleeding of wounds, has good air permeability and good skin-friendly performance, and is widely used for dressing change of wounds of patients and controlling seepage of the wounds of the patients.

The surgery gauze dressing that uses at present weaves by the gauze and forms, to the infiltration type wound, covers and fixes the back using the surgery gauze dressing, because the imbibition performance of gauze is relatively poor for the wound produces the flooding phenomenon easily, and in addition, warp and woof among the surgery gauze dressing drop easily, have increased the infection risk of patient's wound, and this is at to a great extent the result of use that has restricted the surgery gauze dressing.

Disclosure of Invention

The application provides novel surgical dressings to improve surgical dressing's imbibition nature, avoid droing of yarn, reduce the impregnation and the infection risk of patient's wound.

embodiments provide novel surgical dressings, which comprise a degreasing gauze layer and a medical non-woven layer, wherein the degreasing gauze layer is coated outside the medical non-woven layer, and the contact surface of the degreasing gauze layer and the medical non-woven layer is interwoven and intertwined at to form a composite layer.

Preferably, the novel surgical dressing further comprises X-ray development lines woven or ironed into the absorbent gauze layer and/or the medical non-woven layer.

Preferably, the X-ray imaging line is made of barium sulfate.

Preferably, the contact surface of the degreasing gauze layer and the medical non-woven layer is subjected to interweaving and entanglement of fibers and/or yarns through a physical reinforcing mode or a chemical reinforcing mode, and the physical reinforcing mode comprises at least of water jet, needle punching, bonding, hot pressing and ultrasonic waves.

Preferably, the interweaving tangles are interweaving tangles of for the entire contact surface, or for a predetermined area of the contact surface.

Preferably, the absorbent gauze layer is layers or multiple layers of absorbent gauze, and the medical non-woven fabric layer is layers or multiple layers of medical non-woven fabrics.

Preferably, the absorbent gauze is prepared by weaving, degreasing, bleaching, drying and slitting all-cotton or blended yarns.

Preferably, the medical non-woven fabric is formed by interweaving natural fibers or chemical fibers through mechanical physical action or chemical action, and is prepared by drying and slitting.

Preferably, the absorbent gauze layer is a wound contact layer, and the medical non-woven fabric layer is a liquid absorption layer.

Preferably, the novel surgical dressing further comprises a lifting tape for lifting.

According to the novel surgical dressing of the embodiment, the medical non-woven fabric layer is composed of the absorbent gauze layer and the medical non-woven fabric layer coated in the absorbent gauze layer, the medical non-woven fabric has good liquid absorption capacity and liquid storage capacity, so that the liquid absorption capacity of the surgical dressing can be improved, the impregnation risk of a wound of a patient is reduced, and meanwhile, the absorbent gauze layer and the medical non-woven fabric layer are interwoven and intertwined at to be formed in a composite mode, so that the absorbent gauze layer and the medical non-woven fabric layer are interwoven firmly, the phenomena of layering, separation and yarn falling cannot be generated between the absorbent gauze layer and the medical non-woven fabric layer, and the infection risk.

Drawings

FIG. 1 is a schematic representation of the construction of a novel surgical dressing in an embodiment of the present invention;

FIG. 2 is a schematic structural view showing the complete interweaving and entanglement of the absorbent gauze layer and the medical non-woven layer in the embodiment of the present invention;

FIGS. 3a and 3b are schematic views showing types of structures in which a degreasing gauze layer and a medical non-woven layer are partially entangled in an interlaced manner according to an embodiment of the present invention;

fig. 4 is a schematic view of the construction of the novel surgical dressing with a pull tape according to an embodiment of the invention.

Detailed Description

The invention is further described in detail by the following detailed description taken in conjunction with the accompanying drawings.

In the embodiment of the invention, the novel surgical dressing is composed of a degreasing gauze layer and a medical non-woven fabric layer coated in the degreasing gauze layer, wherein the degreasing gauze layer and the medical non-woven fabric layer are interwoven and intertwined for forming.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a novel surgical dressing according to an embodiment of the present invention, as shown in fig. 1, the novel surgical dressing includes a degreasing gauze layer 1 and a medical non-woven fabric layer 2, the degreasing gauze layer 1 is coated outside the medical non-woven fabric layer 2, and a contact surface of the degreasing gauze layer 1 and the medical non-woven fabric layer 2 is entangled at to form a composite layer 3, so that the degreasing gauze layer 1 and the medical non-woven fabric layer 2 are firmly interlaced, and no delamination, detachment, or doffing occurs.

In practical application, the contact surface of the degreasing gauze layer 1 and the medical non-woven fabric layer 2 is interweaved and tangled by means of physical reinforcement or chemical reinforcement. Specifically, the contact surface of the degreased gauze layer 1 and the medical non-woven fabric layer 2 is subjected to interweaving and entanglement of yarns and/or fibers in physical reinforcement modes such as spunlace, needling, bonding, hot pressing or ultrasonic waves; alternatively, the contacting surface of the absorbent gauze layer 1 and the medical nonwoven fabric layer 2 may be entangled by the yarns and/or fibers through chemical reinforcement.

The absorbent gauze layer 1 and the medical non-woven fabric layer 2 can be completely and compositely formed by interweaving and tangling the whole contact surface at , namely, completely interweaving and tangling yarns and/or fibers of the whole contact surface at by a physical reinforcement mode or a chemical reinforcement mode, or interweaving and tangling a preset area of the contact surface at , namely interweaving and tangling yarns and/or fibers in the preset area of the contact surface at by a physical reinforcement mode or a chemical reinforcement mode, so that a part of the composite forming is performed, so that the absorbent gauze layer 1 and the medical non-woven fabric layer 2 are completely or partially compositely formed, the absorbent gauze layer 1 and the medical non-woven fabric layer 2 are firmly interwoven, the phenomena of layering, separation and yarn falling are not generated, and the infection risk of a wound of a patient is reduced.

Fig. 2 shows a schematic structural view of the complete composite molding of the degreasing gauze layer 1 and the medical non-woven fabric layer 2 in the embodiment of the invention, and as shown in fig. 2, yarns and/or fibers of the entire contact surface of the degreasing gauze layer 1 and the medical non-woven fabric layer 2 can be interwoven and tangled at by a physical reinforcing method or a chemical reinforcing method, so that the complete composite molding can be achieved.

Fig. 3a and 3b show kinds of structural schematic diagrams of the partially composite molding of the absorbent gauze layer 1 and the medical non-woven fabric layer 2 according to the embodiment of the present invention, as shown in fig. 3a, in a predetermined region (shaded region in fig. 3 a) with a width W where the contact surface of the absorbent gauze layer 1 and the medical non-woven fabric layer 2 faces inwards along four sides, yarns and/or fibers are completely entangled at by physical or chemical reinforcement, while other regions of the contact surface of the absorbent gauze layer 1 and the medical non-woven fabric layer 2 are not entangled, so that the absorbent gauze layer 1 and the medical non-woven fabric layer 2 are partially composite molded, and the structure along the M-M' section thereof can be as shown in fig. 3b, and the yarns and/or fibers in the predetermined region of the contact surface of the absorbent gauze layer 1 and the medical non-woven fabric layer 2 are entangled at , so as to form the composite layer 3 with a width W.

In practical application, the absorbent gauze layer 1 may be layers of absorbent gauze, or may be a plurality of layers of absorbent gauze, and similarly, the medical non-woven fabric layer 2 may be layers of medical non-woven fabric, or may be a plurality of layers of medical non-woven fabric.

The absorbent gauze is prepared by weaving all cotton or blended yarns to prepare gauze coiled materials with fixed width, then carrying out degreasing bleaching on the prepared gauze by adopting a degreasing bleaching process to prepare absorbent gauze, and then drying and cutting the prepared absorbent gauze to prepare absorbent gauze coiled materials with preset width, thereby obtaining the absorbent gauze of the absorbent gauze layer 1.

, the medical non-woven fabric is made by interweaving natural fiber or chemical fiber through mechanical physical action or chemical action, drying and cutting, concretely, interweaving natural fiber (such as cotton, terylene or viscose) or chemical fiber through mechanical physical action such as spunlace, needling and spinning melt, or interweaving natural fiber or chemical fiber through chemical action to prepare a non-woven fabric coiled material with preset width, then drying and cutting the prepared non-woven fabric, and preparing the non-woven fabric coiled material with fixed width as required to obtain the medical non-woven fabric of the medical non-woven fabric layer 2.

After the absorbent gauze coiled material and the medical non-woven fabric coiled material are obtained through the processes, constant quantities of the absorbent gauze coiled material and the medical non-woven fabric coiled material are taken according to the needs, then the yarns and the fibers are completely interwoven and entangled through the mechanical physical action or the chemical action such as spunlace, needling, bonding, hot pressing or ultrasonic waves, so that the whole composite forming is realized, the formed coiled material is cut into sheets with the fixed specification according to the needs, the novel surgical dressing with the structure shown in figure 2 is obtained, or the yarns and the fibers are partially interwoven and entangled according to the preset area through the mechanical physical action or the chemical action such as spunlace, needling, bonding, hot pressing or ultrasonic waves, so that the partial composite forming is realized, the formed coiled material is cut into sheets with the fixed specification of according to obtain the novel surgical dressing with the structure shown in figures 3a and 3b, and the obtained novel surgical dressing can be provided for a medical institution after packaging and sterilization.

In the preferred embodiment of , X-ray lines can be woven or ironed into the absorbent gauze layer 1 and/or the medical non-woven layer 2 as desired, for example, as shown in FIG. 2, X-ray lines 4 can be woven into the absorbent gauze layer 1, which can perform the developing function, thus preventing the novel surgical dressing from being left behind in the body of the patient.

Preferably, each of the novel surgical dressings may further include a lifting belt for lifting, fig. 4 shows a schematic structural diagram of the novel surgical dressing with the lifting belt, and as shown in fig. 4, two opposite sides of the novel surgical dressing are respectively provided with a lifting belt 5 for lifting, so as to facilitate the use of a patient or a medical staff.

In addition, in the aspect of , the medical non-woven fabric layer is used as a liquid absorption layer, has good liquid absorption capacity and liquid storage capacity and can reduce the impregnation risk of the wound of the patient, the degreased gauze layer is used as a wound contact layer and can play a role in protecting the wound and visceral organs, and X developing lines can be further ironed or woven into the degreased gauze layer and/or the medical non-woven fabric layer to play a developing role, so that the novel surgical dressing is prevented from being left in the body of the patient.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims

kinds of novel surgical dressings, which are characterized by comprising a degreasing gauze layer and a medical non-woven fabric layer, wherein the degreasing gauze layer is coated outside the medical non-woven fabric layer, and the contact surface of the degreasing gauze layer and the medical non-woven fabric layer is interwoven and intertwined at to form a composite layer;

the novel surgical dressing further comprises X developing lines which are woven into or ironed into the degreasing gauze layer and/or the medical non-woven fabric layer.
2. The novel surgical dressing of claim 1, wherein said X-ray is made of barium sulfate.
3. The novel surgical dressing of claim 1, wherein the interface of said absorbent gauze layer and said medical non-woven layer is subjected to interweaving entanglement of fibers and/or yarns by means of physical or chemical reinforcement, said physical reinforcement means including at least of water punching, needle punching, adhesive bonding, heat pressing and ultrasonic waves.
4. The novel surgical dressing of claim 3, wherein said interweaving tangles are either an entire contact surface interweaving tangle at or a predetermined area of the contact surface interweaving tangle at .
5. The novel surgical dressing of claim 1, wherein said absorbent gauze layer is layers or a plurality of layers of absorbent gauze, and said medical non-woven layer is layers or a plurality of layers of medical non-woven.
6. The novel surgical dressing of claim 5, wherein said absorbent gauze is made from cotton or blended yarn by weaving, degreasing, bleaching, drying and slitting.
7. The novel surgical dressing of claim 5, wherein said medical nonwoven fabric is made by interweaving natural fibers or chemical fibers through mechanical physical action or chemical action, drying and cutting.
8. The novel surgical dressing of claim 1, wherein said absorbent gauze layer is a wound contact layer and said medical non-woven layer is a wicking layer.
9. The novel surgical dressing of claim 1, further comprising a pull tab for pulling.