CN217772862U - Self-expansion drainage medical line for treating sinus wound - Google Patents

Abstract

The utility model provides a self-expansion drainage medicated thread for sinus wound treatment, which comprises a thread body, wherein the thread body is woven by absorbent expandable absorbent fiber yarns, and the thread body is impregnated with a drug sustained-release layer, the absorbent fiber is natural cellulose fiber or super absorbent fiber, and the drug sustained-release layer is nano-scale traditional Chinese medicine particles; wherein: when the self-expanding drainage medical thread is in use, the front end medical thread extends into the sinus, the end far away from the medical thread is positioned outside the human body, and the thread body absorbs wound exudate and expands to release a drug slow-release layer. The imbibition expandable absorbent fiber yarn is extended into the sinus to absorb wound exudate and then can be automatically expanded, so that the false healing of the deep part of the wound surface is prevented; the expanded medicated thread can slightly open the wound surface and absorb a large amount of exudate in the deep part of the wound surface, thereby achieving the effect of rapid drainage and having remarkable effect on the treatment of complicated sinus tracts, sinus canals and the like.

Description

Self-expansion drainage medical line for treating sinus wound

Technical Field

The utility model belongs to the field of medical materials, a medical drainage yarn is related to, especially relate to a sinus type surface of a wound treatment is with self-expanding drainage pencil.

Background

The sinus tract refers to a latent blind tube which is opened on the body surface and is not communicated with the internal hollow organs and can be formed after the body tissue is discharged out of the body through the body surface after being infected and necrotic, and can occur in soft tissues, fat, muscles, even bone and the like. The main cause of sinus formation is bacterial invasion of bone and soft tissue, which is a manifestation of chronic inflammation occurring locally almost simultaneously. The normal conditions include abdominal sinus caused by poor drainage after infection of abdominal incision or foreign body left in the incision, chronic sinus formed by osteonecrosis caused by fracture or other reasons, chronic sinus formed by foreign body residue after trauma or operation, and the like.

Drainage in clinical care is a method of bringing the contents of an organ tissue cavity or body cavity out of the body, and its main function is to remove inflammatory exudates, digestive juices, blood and necrotic tissue that accumulate inappropriately in the body, and to promote the reduction or closure of the abscess or surgical necrotic cavity. The drainage strip is an intermediary for completing drainage, and is required to be soft, good in mechanical property, easy to pull out and free of irritation. The clinical commonly used drainage strip comprises a latex sheet, a tubular latex sheet, a drainage tube and the like.

However, the existing commonly used drainage strip has poor drainage effect on complicated sinus tracts and sinus tubes with irregular depth and shape, serious abscess and the like, and the currently used drainage strip has no antibacterial function, so that the risk of aggravating infection exists in the drainage process, and a drainage product with better performance is urgently needed clinically.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: aiming at the defects in the prior art, the self-expanding drainage medical line for treating the sinus wound surface is provided.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

the utility model provides a self-expansion drainage medicated thread for sinus wound treatment, which comprises a thread body, wherein the thread body is woven by absorbent expandable absorbent fiber yarns, a drug slow-release layer is impregnated on the thread body, the absorbent fiber is natural cellulose fiber or super absorbent fiber, and the drug slow-release layer is nano-scale traditional Chinese medicine particles; wherein: when the self-expansion drainage medical thread is in a use state, the front end medical thread extends into the sinus, one end far away from the medical thread is positioned outside a human body, and the thread body absorbs wound exudate and expands to release the drug slow release layer.

Furthermore, on the self-expanding drainage medical thread for treating the sinus wound, the thread body is a double-strand yarn which is formed by weaving water-absorbing fibers and chitosan fibers.

Further preferably, on the self-expanding drainage drug wire for treating the sinus-type wound surface, the water-absorbing fiber accounts for 40-70wt% of the wire body, and the chitosan fiber accounts for 30-60w% of the wire body.

Furthermore, on the self-expanding drainage medicated thread for treating sinus-type wounds, the thread body is a multi-strand yarn or a multi-strand yarn, and the thread body is formed by weaving water-absorbing fibers, polyester fibers and silver-containing fibers.

Further preferably, on the self-expanding drainage medical thread for treating sinus type wounds, the water-absorbing fibers account for 40-50wt% of the thread body, the polyester fibers account for 20-30w% of the thread body, and the silver-containing fibers account for 20-30w% of the thread body.

Further, on the self-expanding drainage medicated thread for sinus wound treatment, the thread body is a core-spun yarn composed of a core yarn and an outer yarn layer, the core yarn is of a strip-shaped structure formed by mutually crossing and twisting bamboo fiber, cotton fiber and carbon fiber, and the outer yarn layer is formed by tightly twisting absorbent fiber and silver-containing fiber in a double helix shape on the core yarn.

Further, on the self-expanding drainage medicated thread for sinus wound treatment, the core yarn accounts for 50-60w% of the thread body, the outer yarn layer accounts for 40-50w% of the thread body, and the water-absorbing fibers account for 70-90w% of the outer yarn layer.

Further preferably, on the self-expanding drainage medicated thread for sinus wound treatment, the silver-containing fiber is any one of silver-containing viscose fiber, silver-containing cotton fiber, silver-containing polyester fiber and silver-containing alginate fiber.

Furthermore, on the self-expanding drainage medical thread for sinus wound treatment, at least one drainage tube is embedded in the thread body along the radial direction of the thread body, and at least one drainage groove which is arranged along the radial direction is formed in the outer surface of the drainage tube along the axial direction of the drainage tube.

Further preferably, on the self-expanding drainage medical wire for sinus wound treatment, the drainage grooves are spirally or linearly distributed on the outer surface of the drainage tube.

Further preferably, on the self-expanding drainage wire for sinus wound treatment, a central hole is formed in the drainage tube along the radial direction of the drainage tube, and the central hole is respectively communicated with the drainage grooves through a plurality of drainage holes.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

(1) The medicated thread adopts imbibition expandable water-absorbent fiber yarn, and can automatically expand after extending into sinus to absorb wound exudate, so as to prevent false healing of deep part of wound surface; the expanded medicated thread can slightly open the wound surface and absorb a large amount of exudate in the deep part of the wound surface, thereby achieving the effect of rapid drainage;

(2) The medicated thread is impregnated with drug sustained release layer, such as analgesic anesthetic, necrotic tissue removing and granulation promoting drug, which is released slowly after absorbing wound exudate, so as to accelerate healing of deep wound surface of sinus;

(3) The self-expansion drainage medical line adopts silver-containing fiber, has high-efficiency bactericidal capacity and antibacterial property, can effectively prevent infection in the drainage process, and has remarkable effect on treatment of complicated sinus tracts, sinus ducts and the like.

Drawings

Fig. 1 is a structural schematic diagram of the self-expanding drainage medicated thread for sinus wound treatment of the utility model, which is a double-strand yarn;

fig. 2 is a schematic structural view of the self-expanding drainage medicated thread for sinus wound treatment of the present invention, which is a multi-strand yarn;

fig. 3 is a schematic structural view of the self-expanding drainage medicated thread for sinus wound treatment of the present invention as a multiple strand yarn;

fig. 4 is a schematic structural view of the self-expanding drainage medicated thread for sinus wound treatment of the present invention as a core spun yarn;

FIG. 5 is a schematic structural view of a drainage tube in a self-expandable drainage medicated thread for sinus wound treatment of the present invention;

FIG. 6 is a schematic structural view of a drainage tube in a self-expandable drainage medicated thread for sinus wound treatment of the present invention;

fig. 7 is a schematic structural view of the self-expanding drainage medicated thread for sinus wound treatment of the present invention, which is a double-strand yarn with a drainage tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In some embodiments, as shown in fig. 1 and 4, a self-expanding drainage wire for sinus wound treatment is provided, which may be in a double-strand structure, a multi-strand structure, or a core-spun structure, as desired. The self-expansion drainage medicated thread comprises a thread body, wherein the thread body is formed by weaving imbibition expandable water-absorbing fiber yarns, and a drug slow-release layer is impregnated on the thread body. When the self-expanding drainage medical thread is in use, the front end medical thread extends into the sinus, the end far away from the medical thread is positioned outside the human body, and the thread body absorbs wound exudate and expands to release a drug slow-release layer. The self-expansion drainage medicated thread adopts imbibition expandable absorbent fiber yarn, can automatically expand after extending into the sinus to absorb wound exudate, and can prevent false healing of the deep part of the wound surface; the expanded medicated thread can slightly open the wound surface, and absorb a large amount of exudate in the deep part of the wound surface, thereby achieving the effect of rapid drainage.

In one embodiment, the water-absorbing fibers are natural cellulose fibers or super-high water-absorbing fibers with water-swelling property. Macromolecules of the natural cellulose fibers contain a plurality of-OH groups, and can form coordination bonds with H2O molecules; in addition, cellulose has amorphous regions, and when water is absorbed, the amorphous regions become large, and thus the fiber exhibits swelling. The super-high water absorption fiber can absorb 15 times of water of the self weight, the length of the fiber material cannot be changed due to water absorption, and the physical property of the fiber cannot be reduced; the super absorbent fiber is called PSA, the diameter of the fiber is 30 μm, the fiber can absorb 95% of water capacity 70-100 times of the self weight within 15 seconds, the Limiting Oxygen Index (LOI) is 10, and the fiber has flame retardance and is composed of sodium polyacrylate fiber.

In one embodiment, the drug sustained-release layer is nano-scale traditional Chinese medicine particles, such as analgesic anesthetic, necrotic tissue removing and granulation promoting drug, which are continuously and slowly released after absorbing and absorbing wound exudate, thereby accelerating the healing of the sinus deep wound.

In one embodiment, as shown in fig. 1, the thread body is a double-strand yarn 10 which is woven by water-absorbent fibers 11 and chitosan fibers 12; the water-absorbing fiber accounts for 40-70wt% of the thread body, and the chitosan fiber accounts for 30-60w% of the thread body.

In one embodiment, as shown in fig. 2 and 3, the thread body is a plurality of yarns 20 or a plurality of yarns 30 which are woven by water-absorbing fibers, polyester fibers and silver-containing fibers; the water-absorbing fiber accounts for 40-50wt% of the body, the polyester fiber accounts for 20-30w% of the body, and the silver-containing fiber accounts for 20-30w% of the body.

In one embodiment, as shown in fig. 4, the yarn body is a core yarn 40 composed of a core yarn having a strip-like structure in which bamboo fibers, cotton fibers and carbon fibers are cross-twisted with each other and an outer yarn layer composed of water-absorbent fibers and silver-containing fibers closely twisted in a double spiral and combined on the core yarn. The core yarn accounts for 50-60w% of the yarn body, the outer yarn layer accounts for 40-50w% of the yarn body, and the water-absorbing fiber accounts for 70-90w% of the outer yarn layer.

In one embodiment thereof, the silver-containing fibers comprise any one of silver-containing viscose fibers, silver-containing cotton fibers, silver-containing polyester fibers, and silver-containing alginate fibers. The silver-containing fiber has high-efficiency sterilization capability and antibacterial property, can effectively prevent infection in the drainage process, and has remarkable effect on treatment of complicated sinus tracts, sinus ducts and the like.

As a preferred embodiment, as shown in fig. 5 and 7, in order to improve the drainage efficiency of the self-expanding drainage medicated thread, at least one drainage tube 50 is embedded in the thread body 10 along the radial direction thereof, and the outer surface of the drainage tube 50 is provided with at least one drainage groove 51 arranged along the axial direction thereof. And the drainage grooves 51 are spirally or linearly distributed on the outer surface of the drainage tube.

As another preferred embodiment, as shown in fig. 6 and 7, in order to improve the drainage efficiency of the self-expanding drainage medicated thread, at least one drainage tube 50 is embedded in the thread body 10 along the radial direction thereof, at least one drainage groove 51 arranged in the radial direction is formed in the outer surface of the drainage tube 50 along the axial direction thereof, a central hole 52 is formed in the drainage tube along the radial direction thereof, and the central hole 52 is respectively communicated with the drainage groove 51 through a plurality of drainage holes 53.

As another preferred embodiment, the drainage tube 50 is made of medical grade PVC (polyvinyl chloride), fluororubber or silicone rubber, and the diameter of the single drainage tube 50 is 0.5-1.5mm. A plurality of drainage tubes 50 are dispersedly embedded in the line body 10, or a plurality of drainage tubes 50 are embedded in the line body 10 in a bundled manner by bundling or twisting, so that the drainage efficiency of the self-expanding drainage medical line is effectively improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

finally, the above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A self-expansion drainage medicated thread for treating sinus type wound comprises a thread body, and is characterized in that the thread body is woven by imbibition expandable water-absorbent fiber yarns, a drug slow-release layer is impregnated on the thread body, the water-absorbent fiber is natural cellulose fiber or ultrahigh water-absorbent fiber, and the drug slow-release layer is nano-scale traditional Chinese medicine particles;

at least one drainage tube is embedded in the wire body along the radial direction of the wire body, and at least one drainage groove which is arranged in the radial direction is formed in the outer surface of the drainage tube along the axial direction of the drainage tube;

the drainage grooves are spirally or linearly distributed on the outer surface of the drainage tube;

a central hole is formed in the drainage tube along the radial direction of the drainage tube, and the central hole is respectively communicated with the drainage grooves through a plurality of drainage holes.

2. The self-expanding drainage medicated thread for sinus style wound treatment of claim 1 wherein the thread body is a double-stranded yarn woven from water-absorbent fibers and chitosan fibers.

3. The self-expanding drainage wire for sinus type wound treatment of claim 1, wherein the wire body is a multi-strand yarn or a multi-strand yarn woven from water absorbent fiber, polyester fiber and silver-containing fiber.

4. The self-expandable drainage medicated thread for sinus type wound treatment according to claim 1, wherein the thread body is a core spun yarn composed of a core yarn and an outer yarn layer, the core yarn is a strip structure in which bamboo fibrils, cotton fibers and carbon fibers are cross-twisted with each other.

5. The self-expanding drainage wire for sinus style wound treatment of claim 4, wherein the outer yarn layer is formed by combining water absorbent fibers and silver-containing fibers closely twisted in a double spiral shape on the core yarn.

6. The self-expanding drainage medicated thread for sinus style wound treatment of claim 5 wherein the silver-containing fiber is any one of silver-containing viscose fiber, silver-containing cotton fiber, silver-containing polyester fiber and silver-containing alginate fiber.

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