CN219290257U

CN219290257U - Anti-blocking negative pressure drainage system

Info

Publication number: CN219290257U
Application number: CN202221926255.7U
Authority: CN
Inventors: 翟延荣
Original assignee: Rongke Suzhou Medical Technology Co ltd
Current assignee: Rongke Suzhou Medical Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-07-04
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to an anti-blocking negative pressure drainage system which comprises a horn drainage device, a dressing main body and a suction tube, wherein one end of the horn drainage device is provided with a funnel-shaped flaring, the other end of the horn drainage device is provided with a pipeline connection port communicated with the starting and flaring end of the funnel-shaped flaring, the pipeline connection port is outwards communicated with the suction tube, the suction tube is communicated with a corresponding negative pressure source, and at least part of the dressing main body is positioned in the funnel-shaped flaring to form a drainage liquid collecting end. The horn drainage device structure adopted by the utility model effectively increases the drainage area of the drainage tube, prevents the medical transparent film from being sucked into the drainage tube to cause blockage, ensures smooth drainage, is convenient for clinical installation, reduces leakage and is beneficial to wound healing.

Description

Anti-blocking negative pressure drainage system

Technical Field

The utility model relates to the field of wound repair and treatment instruments, in particular to an anti-blocking negative pressure drainage system.

Background

Negative pressure closed drainage technology (vacuum sealing drainage, VSD) is the most advanced treatment technology for treating various acute wounds and chronic refractory wounds. Can rapidly increase the blood flow of the wound surface, promote new blood vessels to enter the wound surface, stimulate granulation tissue growth, fully drain, relieve edema, relieve infection, inhibit bacteria growth, and can directly accelerate wound healing or create conditions for surgical repair of the wound surface. Compared with the traditional treatment method, the method can accelerate the healing time of the acute wound by 61 percent, accelerate the healing time of the chronic wound by 2 to 3 times and reduce the medical cost by 38 percent. This technology is known as a revolutionary change in the current treatment of wounds, new milestones. Negative pressure drainage can be used to treat a variety of wounds, including chronic wounds, acute wounds, subacute wounds, mild burns, ulcers, and the donor area.

In recent years, the negative pressure sealing drainage technology has good effect in clinical treatment, but the application of the negative pressure sealing drainage technology is still established on the basis of wide-range debridement, and the special high molecular sponge structure is easy to be blocked by necrotic tissues, so that granulation tissues grow into the sponge gaps to generate adhesion, and when dressing is replaced, the granulation tears and bleeds, and the wound is damaged. The patent CN2018101782165 of a flushing system for negative pressure closed drainage and the patent CN2018202990438 of a dressing for negative pressure closed drainage are disclosed, the flushing pipe and the medical transparent adhesive film for drainage are difficult to seal, the risk of whole air leakage of the dressing is increased, clinical treatment is affected, the flushing pipe is positioned between the dressing and a wound surface, the flushing pipe presses the wound surface under the action of negative pressure, normal tissues of the wound surface are damaged, the wound surface treatment effect is affected, in addition, a drainage pipe is positioned between the dressing and the medical transparent adhesive film, and the soft medical transparent adhesive film can inhale the mouth of the drainage pipe to block the drainage pipe and fail treatment under the action of negative pressure.

Therefore, how to provide an anti-blocking negative pressure drainage system is a problem to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to overcome the problems in the prior art, and provides an anti-blocking negative pressure drainage system which effectively increases the drainage area of a drainage tube by utilizing a horn mouth expansion area structure, prevents a medical transparent film from being sucked into the drainage tube (i.e. a suction tube) to cause blocking, ensures smooth drainage, is convenient to clinically install, reduces leakage and is beneficial to wound healing.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

the utility model provides an anti-blocking negative pressure drainage system, includes loudspeaker drainage ware, dressing main part and suction tube, the one end of loudspeaker drainage ware is the infundibulate flaring, and the other end is the pipeline connector that is linked together with the beginning of infundibulate flaring and expands the end, the pipeline connector outwards is linked together with the suction tube, and the suction tube communicates corresponding negative pressure source, the dressing main part has part to be located the infundibulate flaring at least, forms drainage liquid collecting end.

Further, the dressing main body is internally provided with a flushing channel, an inlet of the flushing channel is communicated with a flushing pipe, the flushing pipe penetrates through the funnel-shaped flaring and penetrates out of the pipeline connecting port to be communicated with a corresponding flushing fluid source, and a flushing outlet of the flushing channel is positioned at a position on the dressing main body far away from a drainage liquid collecting end relative to form a relatively far flushing reflux path to fully flush a wound.

Furthermore, the pipeline connecting port is also communicated with a pressure measuring pipe outwards, and the pressure measuring pipe is communicated with a corresponding pressure sensor and is used for detecting the pressure of the wound surface.

Further, the dressing main body is composed of a matrix layer and a plurality of support columns arranged on the upper surface and the lower surface of the matrix layer, a transverse drainage flushing channel network and a longitudinal drainage flushing channel network are formed in gaps between the support columns on each surface and used for enabling drainage liquid to pass through the upper surface and the lower surface of the matrix layer, and the flushing channel is located in the matrix layer and used for enabling flushing liquid to pass through the inside of the matrix layer.

Furthermore, a plurality of drainage through gaps which are communicated with the upper surface and the lower surface are arranged in the matrix layer, so that a vertically and horizontally communicated drainage flushing channel network is formed between the matrix layer and the support column, and the drainage liquid and the flushing liquid can be fully infiltrated and circulated conveniently.

Further, the drainage through gap is one or more of a round shape, an oval shape, a square shape and an elongated shape.

Furthermore, the substrate layer is distributed with easy-to-tear line grooves, and the easy-to-tear line grooves divide the substrate layer into a plurality of pieces, so that the substrate layer is convenient to cut or tear along the easy-to-tear line grooves.

Furthermore, the substrate layer is divided into one or more of a round shape, an oval shape and a rectangular shape by the easy-to-tear line groove, so that the substrate layer is convenient to cut or tear by hands to be directly formed into a corresponding shape, and the substrate layer is suitable for different wounds.

Further, the dressing main body is made of silicone rubber or polyurethane.

The beneficial effects of the utility model are as follows:

1) The funnel-shaped flaring of the horn drainage device effectively increases the drainage area of the suction tube, prevents the medical transparent film from being sucked into the suction tube, and causes blockage and smooth drainage.

2) The loudspeaker drainage device can be sealed and isolated by a medical transparent adhesive film, can not contact with the wound surface and normal skin, and avoids the compression of a pipeline system on the wound surface or skin tissue in the treatment process.

3) After the horn drainage device and the suction tube are sealed by the medical transparent film, a certain movable space is provided, and the comfort level of a patient is increased.

4) The matrix layer of dressing main part is interior to have the passageway of washing, washes the export and is located dressing main part's more distal end, and the suction tube is located dressing main part's the nearest drainage liquid collection end, and the washing liquid flows from dressing main part's more distal end, and the washing liquid flows through whole surface of a wound easily, and the drainage liquid collection end drainage of dressing main part reaches the omnidirectional and washes the function outside.

5) The flushing pipe penetrates through the horn drainage device to connect the flushing pipe and the dressing main body into an integral structure, so that the dressing main body is prevented from being separated from the horn drainage device, and clinical use is facilitated.

6) The pressure measuring tube is used for detecting the pressure of the wound surface, the suction tube, the flushing tube and the pressure measuring tube are integrated together through the horn drainage device, flushing, drainage and pressure measurement are integrated, clinical installation is convenient, leakage is reduced, and wound healing is facilitated.

7) The dressing main part is a plurality of support column structures, and non-sponge structure can avoid the absorbing problem of flushing fluid by the sponge dressing, and the flushing fluid flows through the focus of infection with whole wound from the wound bottom, 360 all-round three-dimensional washing, and the support column structure enables whole surface of a wound to be in toxin-free, pathogen-free, necrosis-free tissue, moist good environment, is favorable to granulation tissue growth, and support column structure does not take place the adhesion with the wound when changing, reduces patient's misery.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view block diagram of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is a right side view block diagram of the present utility model;

FIG. 5 is a left side view of the present utility model;

fig. 6 is an enlarged partial perspective view of the dressing body of the present utility model.

The reference numerals in the figures illustrate: 1. horn drainage device 11, funnel-shaped flaring, 12, pipeline connector, 2, dressing main part, 21, flushing channel, 211, flushing outlet, 22, matrix layer, 221, drainage clearance, 222, easy tear line groove, 23, support column, 3, suction tube, 4, flushing tube, 5, pressure measurement tube.

Detailed Description

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

As shown in fig. 1 to 5, an anti-blocking negative pressure drainage system comprises a horn drainage device 1, a dressing main body 2 and a suction tube 3, wherein one end of the horn drainage device 1 is a funnel-shaped flaring 11, the other end of the horn drainage device is a pipeline connection port 12 communicated with the starting and expanding end of the funnel-shaped flaring 11, the pipeline connection port 12 is communicated with the suction tube 3 outwards, the suction tube 3 is communicated with a corresponding negative pressure source, and at least part of the dressing main body 2 is positioned in the funnel-shaped flaring 11 to form a drainage and liquid collection end.

The dressing main body 2 is internally provided with a flushing channel 21, an inlet of the flushing channel 21 is communicated with a flushing pipe 4, the flushing pipe 4 penetrates through the funnel-shaped flaring 11 and is communicated with a corresponding flushing fluid source through the pipeline connecting port 12, and a flushing outlet 211 of the flushing channel 21 is positioned on the dressing main body 2 at a position far away from a drainage liquid collecting end relatively to form a relatively far flushing reflux path for fully flushing a wound.

The pipeline connector 12 is also communicated with a pressure measuring pipe 5 outwards, and the pressure measuring pipe 5 is communicated with a corresponding pressure sensor for detecting the pressure of a wound surface.

As shown in fig. 6, the dressing body 2 is composed of a substrate layer 22 and a plurality of support columns 23 disposed on the upper and lower surfaces of the substrate layer 22, and the gaps between the support columns 23 on each surface form a transverse and longitudinal drainage flushing channel network for the drainage liquid to pass through the upper and lower surfaces of the substrate layer 22, and the flushing channel 21 is located in the substrate layer 22 for the flushing liquid to pass through the inside of the substrate layer 22.

A plurality of drainage through gaps 221 which are communicated with the upper surface and the lower surface are arranged in the matrix layer 22, so that a vertically and horizontally communicated drainage flushing channel network is formed between the matrix layer 22 and the supporting columns 23, and the full infiltration and circulation of drainage liquid and flushing liquid are facilitated.

The drainage through gap 221 is one or more of a circle, an ellipse, a square and an elongated shape.

The substrate layer 22 is provided with the easy-to-tear line grooves 222, the easy-to-tear line grooves 222 divide the substrate layer 22 into a plurality of pieces, so that the substrate layer 22 is convenient to cut or tear along the easy-to-tear line grooves 222, in the embodiment, the section of the easy-to-tear line grooves 222 is a V-shaped groove or a double V-shaped groove with two V-shaped groove tips propped against each other, and the easy-to-cut or tear is easy.

The easy-to-tear slot 222 divides the substrate layer 22 into one or more of a circular shape, an oval shape and a rectangular shape, which is convenient to cut or tear by hand to directly form a corresponding shape, and is suitable for different wounds.

The dressing main body 2 is made of silicon rubber or polyurethane.

The application and principle of the utility model

When the dressing is placed on the wound surface, the skin around the wound surface is scrubbed, the dressing main body 2 is kept clean and dry, the dressing main body 2 is cut into a proper size and is placed on the wound surface, the whole horn drainage device 1 is required to exceed the edge of the wound surface, the wound surface is covered by a medical transparent adhesive film, the dressing main body 2, the horn drainage device 1 and the suction tube 3 are sealed by a tying film method, the whole horn drainage device 1 is not contacted with the wound surface and the surrounding skin, the flushing tube 4 is connected with a flushing liquid source, the suction tube 3 is connected with a negative pressure source, if the wound surface is required to be subjected to pressure measurement, the pressure measurement tube 5 is communicated with a corresponding pressure sensor, and if the pressure measurement is not required, the pressure measurement tube 5 is not required; during irrigation and drainage, the irrigation fluid enters the irrigation channel 21 from one end of the dressing main body 2 through the irrigation tube 4, and then is flushed out from the remote irrigation outlet 211 to perform omnibearing irrigation on wound focus tissues.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an anti-blocking negative pressure drainage system, its characterized in that, including loudspeaker drainage ware (1), dressing main part (2) and suction tube (3), the one end of loudspeaker drainage ware (1) is funnel-shaped flaring (11), and the other end is pipeline connector (12) that are linked together with the beginning of funnel-shaped flaring (11), pipeline connector (12) outwards are linked together with suction tube (3), suction tube (3) intercommunication corresponding negative pressure source, dressing main part (2) have part to be located funnel-shaped flaring (11) at least, form drainage liquid collecting end.

2. The anti-blocking negative pressure drainage system according to claim 1, wherein a flushing channel (21) is arranged in the dressing main body (2), an inlet of the flushing channel (21) is communicated with a flushing pipe (4), the flushing pipe (4) passes through the funnel-shaped flaring (11) and passes out of the pipeline connection port (12) to be communicated with a corresponding flushing fluid source, and a flushing outlet (211) of the flushing channel (21) is positioned on the dressing main body (2) at a position far from a drainage liquid collecting end so as to form a relatively far flushing reflux path for fully flushing a wound.

3. The anti-blocking negative pressure drainage system according to claim 2, wherein the pipeline connection port (12) is further communicated with a pressure measuring tube (5) outwards, and the pressure measuring tube (5) is communicated with a corresponding pressure sensor for detecting the pressure of a wound surface.

4. A system according to claim 3, wherein the dressing body (2) is composed of a base layer (22) and a plurality of support columns (23) arranged on the upper and lower sides of the base layer (22), and gaps between the support columns (23) on each side form a transverse and longitudinal drainage flushing channel network for the passage of drainage liquid from the upper and lower sides of the base layer (22), and the flushing channel (21) is located in the base layer (22) for the passage of flushing liquid from the inside of the base layer (22).

5. The anti-blocking negative pressure drainage system according to claim 4, wherein a plurality of drainage through gaps (221) penetrating through the upper surface and the lower surface are arranged in the matrix layer (22), so that a vertically and horizontally penetrating drainage flushing channel network is formed between the matrix layer (22) and the supporting columns (23), and the full infiltration and circulation of drainage liquid and flushing liquid are facilitated.

6. The anti-blocking negative pressure drainage system according to claim 5, wherein the drainage through-gap (221) is one or more of circular, elliptical, square, and elongated.

7. The anti-blocking negative pressure drainage system of claim 5, wherein the matrix layer (22) is provided with easy-to-tear line grooves (222), and the easy-to-tear line grooves (222) divide the matrix layer (22) into a plurality of pieces, so as to facilitate cutting or hand-tearing along the easy-to-tear line grooves (222).

8. The anti-blocking negative pressure drainage system of claim 7, wherein the easy-to-tear line groove (222) divides the matrix layer (22) into one or more of a circle, an ellipse, and a rectangle, so as to facilitate cutting or tearing by hand to directly form a corresponding shape, and adapt to different wounds.

9. The anti-blocking negative pressure drainage system according to claim 5, wherein the dressing main body (2) is made of silicone rubber or polyurethane.