LU502591B1

LU502591B1 - Annular negative pressure suction device at anastamosis

Info

Publication number: LU502591B1
Application number: LU502591A
Authority: LU
Inventors: Shuaiqi Wang
Original assignee: Chongqing Univ Cancer Hospital
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-30

Abstract

The application discloses an annular negative pressure suction device, which comprises a body fixed at the anastamosis arranged in the middle of the body, and a plurality of suction holes evenly distributed on the inner and outer sides of the body; the outside of the body is wrapped with a porous adsorption body, one side of the body is provided with a joint communicated with the inside, and the joint is connected with a negative pressure pipe through a central negative pressure suction machine; the upper part of the body is covered with an annular semitransparent sealing membrane matched with the shape of the body, the middle part of the sealing membrane is provided with a hole for leaking anastamosis fistula, and the diameter of the hole is smaller than the inner diameter of the body.

Description

DESCRIPTION LU502591

ANNULAR NEGATIVE PRESSURE SUCTION DEVICE AT

ANASTAMOSIS

TECHNICAL FIELD

The application relates to the technical field of medical equipment, and in particular to an annular negative pressure suction device at the anastamosis.

BACKGROUND

Enterostomy 15 to move the opening of the smail intestine or colon to the abdominal wall to form a anastamosis, which is often used as a permanent artificial anus or temporary artificial defecation. In clinical work, if patients have acute intestinal obstruction, intestmal perforation with severe infection, they often need ostomy in emergency surgery. In the above cases, the ostomy performed by surgery is often accompanied by inevitable complications such as infection of tissues around the anastamosis, exudation or effusion, and separation of the anastamosis, at present, the existing ostomy bag with a base can only drain liquid dung by intestinal peristalsis and posture change, and can't solve the problems of continuous inflammatory exudation around the enterostomy, soft tissue inflammation around the ostomy, and anastamous separation. The local inflammatory exudation and hydrops further lead to poor adhesion between the bottom plate of the ostomy bag and the skin, which makes the liquid dung and digestive juice retained in the ostomy bag soak and corrode the surrounding skin and soft tissues, and even the nearby surgical incision, causing a vicious circle, which makes the incision and anastamosis heal slowly,

When the infection is serious, it takes several months to heal, and nursing te difficult, which seriousiy hinders the recovery of patients and affects the quality of life,

SUMMARY

Aiming at the shortcomings of the prior art, the application aims to provide an annular negative pressure suction device at the anastamosis, which can continuously suck and remove inflammatory exudation and hydrops around the anastamosis, prevent the skin around the anastamosis from being soaked and corroded by dung and effusion, keep the skin and soft tissue around the anastamosis clean and promote healing.

In order to achieve the above purpose, the application is realized by the following technical scheme: an annular negative pressure suction device at the anastamosis comprises a body fixed at the anastamosis, where the body is annular, the anastamosis is arranged in the middle of the 50259 1 body, and a plurality of suction holes are evenly distributed on the inner and outer sides of the body; the outside of the body 1s also wrapped with a porous adsorption body, one side of the body is provided with a joint communicated with the inside of the body, and the joint is connected with a negative pressure pipe which provides negative pressure for the inside of the body through a central negative pressure suction machine or an electric negative pressure suction machine in the hospital, so that the suction holes adsorb the liquid exuded from the anastamosis into the porous adsorption body which is outside the body and flows into the negative pressure pipe through the suction holes on the inner side of the body; the upper part of the body is also covered with an annular semitransparent sealing membrane matched with the shape of the body, the middle part of the sealing membrane 1s provided with a hole for leaking anastamosis fistula, and the diameter of the hole is smaller than the inner diameter of the body; the periphery of the sealing membrane is bonded with the skin on the surface of the human body, so that the body and the adsorption body are in a sealed state, negative pressure is conveniently maintained, and meanwhile, excrement and water discharged by the intestinal tube are prevented from directly contacting separated or infected skin soft tissues around the anastamosis. In addition, it can also avoid the risk of pore blockage caused by the absorption of feces discharged by intestinal tubes on the body and the porous adsorption body.

The working principle of the technical scheme is as follows: by arranging a plurality of suction holes on the inner side of the body, a hospital center negative pressure or an electric negative pressure suction machine is utilized to provide continuous negative pressure for the inner part of the body, so that the suction holes can suck inflammatory exudation, hydrops or a small amount of liquid dung leaking through the sealing membrane around the anastamosis to the porous adsorption body through the negative pressure while adsorbing the sealing membrane, and the suction holes on the body are used for sucking the above components into the negative pressure pipe, so that the anastamosis and the surrounding skin are prevented from being soaked and corroded by inflammatory secretions, hydrops and liquid dung, a relatively clean environment is provided for the growth of granulation and soft tissues, the growth of the soft tissues around the fistulization opening can be quickly promoted, and the fistulization opening is separated and accelerated to heal, the problems of separation of the fistulization opening and slow and difficult healing of the infection stove around the fistulization opening are thoroughly solved, the cleanness and sanitation around the surgical incision are ensured, the difficulty and 50259 1 workload of nursing the fistulization opening are reduced, the pollution of excreta on clothes and bed sheets and bedding 1s avoided, and the life quality of patients is improved.

In order to better realize the application, the periphery of the body and the porous adsorption body are sutured and fixed with the skin on the surface of a human body through a medical non-absorbable sutures, a hydrophobic adhesive layer is arranged on the lower surface of the sealing membrane, a strong adhesive ring is arranged on the inner ring of the sealing membrane, and the sealing membrane is fixed at the anastamosis through the hydrophobic adhesive layer and the strong adhesive ring. The negative pressure environment of the body and the porous adsorption material at the fistulization opening 1s realized, and simultaneously the excrement discharged from the fistulization opening is prevented from soaking the infection stove.

In order to better realize the present application, further, the suction hole is an ellipse having a diameter of 0.7*0.4cm.

In order to better realize the present application, further, the porous adsorption body is made of porous and loose polyethylene alcohol hydrated seaweed salt foam dressing, and the gap diameter of the polyethylene alcohol hydrated seaweed salt foam dressing is 0.2-0.3 mm.

In order to better realize the present application, further, the surface of the seal membrane is also provided with scale line.

In order to better realize the present application, further, one side of the seal membrane is provided with a notch match with the diameter of the joint.

In order to better realize the present application, further, the negative pressure provided by the negative pressure pipe for the inside of the body is 0 .02-0.08Mpa.

In order to better realize the present application, further, the joint is provided with an internal thread, the negative pressure pipe is provided with an external thread matched with the internal thread, and the joint is detachably connected with the negative pressure pipe through threads.

Compared with the prior art, the application has the following advantages and beneficial effects: (1) By arranging a plurality of suction holes on the inner side of the body, a hospital center negative pressure or an electric negative pressure suction machine is utilized to provide continuous negative pressure for the inner part of the body, so that the suction holes can suk 50259 1 inflammatory exudation, hydrops or a small amount of liquid dung leaking through the sealing membrane around the anastamosis to the porous adsorption body through the negative pressure while adsorbing the sealing membrane, and the suction holes on the body are used for sucking the above components into the negative pressure pipe, so that the anastamosis and the surrounding skin are prevented from being soaked and corroded by inflammatory secretions, hydrops and liquid dung, a relatively clean environment is provided for the growth of granulation and soft tissues, the growth of the soft tissues around the fistulization opening can be quickly promoted, and the fistulization opening is separated and accelerated to heal, the problems of separation of the fistulization opening and slow and difficult healing of the infection stove around the fistulization opening are thoroughly solved, the cleanness and sanitation around the surgical incision are ensured, the difficulty and workload of nursing the fistulization opening are reduced; (2) According to the application, through the negative pressure suction effect of the suction holes arranged in the inner ring of the body and the sealing membrane, the sealing effect of the anastamosis can be realized, the sealing is tight, the pollution of excrement to clothes and bed sheets is avoided, and the living quality of patients is improved; (3) The application has the advantages of simple structure and convenient replacement, can ensure the cleanness of the anastamosis, thoroughly solve the problem of difficult healing caused by continuous leakage and accumulation of liquid from the infection stove at the anastamosis, make the anastamosis heal better and faster, bring good news to the anastamosis patients, and be suitable for wide popularization and application.

BRIEF DESCRIPTION OF THE FIGURES

Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of the non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a three-dimensional structure of the present application;

FIG. 2 is a schematic sectional view of the present application.

FIG. 3 is a schematic plan view of the present application in use;

FIG. 4 is a schematic plan view of the sealing membrane of the present application.

Where, 1-body, 11-suction holes, 2-porous adsorption body, 3-joint, 4-sealing membrane,

41- scale line, 5- negative pressure pipe, 6- intestinal tube, 7- infection stove. LU502591

DESCRIPTION OF THE APPLICATION

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the application and are not to be construed as limiting the application.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings for convenience of description and simplified description only, and are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operate in a particular orientation, and are therefore not to be construed as limiting the application.

In the description of the present application, it should be noted that unless otherwise specified and defined, the terms "mounted", "connected" and "connected" are to be understood in a broad sense, for example, they may be fixed connections, removable connections, or integrally connected; It can be a mechanical connection or an electrical connection; it can also be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two elements. The specific meaning of the above-mentioned terms in the present application can be understood by those of ordinary skill in the art in specific circumstances.

Embodiment 1

The main structure of this embodiment is shown in FIG. 1 and FIG. 2, comprises a body 1 fixed at the anastamosis, where the body 1 is annular, the anastamosis is arranged in the middle of the body 1, and a plurality of suction holes 11 are evenly distributed on the inner and outer sides of the body 1; the outside of the body 1 is also wrapped with a porous adsorption body 2, one side of the body 1 is provided with a joint 3 communicated with the inside of the body 1, and the joint 3 is connected with a negative pressure pipe 5 which provides negative pressure for the inside of the body 1 through a central negative pressure suction machine or an electric negative pressure suction machine in the hospital, so that the suction holes 11 adsorb the liquid exuded from the anastamosis into the porous adsorption body 2 which is outside the body 1 and flows 50259 1 into the negative pressure pipe 5 through the suction holes 11 on the inner side of the body 1; the upper part of the body 1 is also covered with an annular semitransparent sealing membrane 4 matched with the shape of the body 1, the middle part of the sealing membrane 4 is provided with a hole for leaking anastamosis fistula, and the diameter of the hole is smaller than the inner diameter of the body 1; the periphery of the sealing membrane 4 is bonded with the skin on the surface of the human body. The body 1 is fixed at the anastamosis to form a negative pressure closed environment.

As shown in FIG. 3, the body 1 is placed at the anastamosis, the anastamosis 1s placed at the middle part of the inner ring of the body 1, then the sealing membrane 4 is covered on the upper part of the body 1, and the periphery of the sealing membrane 4 is adhered and fixed with the skin on the surface of a human body, so that the body 1 1s fixed at the anastamosis, the inner ring in the middle of the body 1 coincides with the hole in the middle of the sealing membrane 4, at which time the intestinal tube 6 at the anastamosis extends out of the hole in the middle of the sealing membrane 4, and the infection stove 7 at the anastamosis 1s placed under the body 1 and is filled and covered by the porous adsorption body 2. The negative pressure pipe 5 1s fixedly connected with the joint 3, a hospital center negative pressure or an electric negative pressure suction machine is started, the hospital center negative pressure or the electric negative pressure suction machine provides negative pressure for the inside of the body 1 through the negative pressure pipe 5, at this time, the negative pressure in the main body 1 provides suction for the suction holes 11 on the inner side of the main body 1, and at the same time of adsorbing the sealing membrane 4, the inflammatory secretion, liquid accumulation and excrement water around the anastamosis can be sucked into the porous adsorption body 2, sucked into the main body 1 through the suction holes 11, and adsorbed by the main body 1 and the porous adsorption body 2 wrapped outside, the application eliminates the pollution to the skin around the anastamosis, thereby avoiding the immersion corrosion of inflammatory exudates, liquid accumulation and excrement water on the anastamosis separation gap and the infection stove 7, greatly accelerating the granulation growth around the anastamosis separation gap and the infection stove 7, ensuring the cleanness and sanitation around the hand operation incision, and avoiding the pollution of excrement on clothes and bed sheets and bedding. When replacing, it is only necessary to remove the sealing membrane 4, then wash the body 1 and the porous adsorption body 2, and then attach the replaced sealing membrane 4. LU502591

Embodiment 2

On the basis of the above embodiments, this embodiment further defines the way in which the sealing membrane 4 and the body 1 are fixed on the skin surface of the human body, the periphery of the body 1 and the porous adsorption body 2 are sewn and fixed with the skin on the surface of the human body by medical absorbable sutures, the lower surface of the closed membrane 4 is provided with a hydrophobic adhesive layer, the inner ring of the closed membrane 4 is provided with a strong adhesive ring, and the closed membrane 4 is fixed at the anastamosis through the hydrophobic adhesive layer and the strong adhesive ring. In order to better seal the body 1 on the skin surface of the patient and form a negative pressure environment, the lower surface of the sealing membrane 4 is provided with a hydrophobic adhesive layer, and the inner ring of the sealing membrane 4 is provided with a strong adhesive ring, which has strong viscosity and achieves a better sealing effect. Other parts of this embodiment are the same as the above-mentioned embodiments, and will not be described here again.

Embodiment 3

On the basis of the above embodiments, this embodiment further defines the size and shape of the suction hole 11. As shown in FIG. 1 and FIG. 2, the suction hole 11 is an ellipse with a diameter of 0 .7*0 .4cm. In order to make the suction hole 11 suck excrement well, the diameter and shape of the suction hole 11 are particularly preferred to better suck excrement. Other parts of this embodiment are the same as the above-mentioned embodiments, and will not be described here again.

Embodiment 4

On the basis of the above embodiment, this embodiment further defines the material of the porous adsorption body 2. As shown in FIG. 2, the material of the porous adsorption body 2 is porous and loose polyvinyl alcohol hydrated alginate foam dressing, and the gap diameter of the polyvinyl alcohol hydrated alginate foam dressing is 0. 2-0. 3 mm. In order to make the porous adsorption body 2 inside the main body 1 better absorb the excreta at the anastamosis, it is particularly preferred that the porous adsorption body 2 is made of porous sponge, and the gap diameter of the sponge is limited, so that it can better absorb the excreta and absorb as much as possible while ensuring the adsorption effect. Other porous adsorption loose materials that can communicate with each other can also be selected. Other parts of this embodiment are the same as the above-mentioned embodiments, and will not be described here again. LU502591

Embodiment 5

On the basis of the above embodiment, this embodiment further defines the structure of the sealing membrane 4. As shown in FIG. 4, the surface of the sealing membrane 4 is also provided with scale line 41. The scale line 41 is added to the sealing membrane 4, on the one hand, to better adhere the sealing membrane 4 to the skin of the patient through the scale line 41, and on the other hand, the sealing membrane 4 can be cut according to the scale line 41 according to the size of the main body 1, so that the size of the sealing membrane 4 matches the main body 1, or can be adjusted according to the actual situation. Other parts of this embodiment are the same as the above-mentioned embodiments, and will not be described here again.

Embodiment 6

This embodiment further defines the structure of the sealing membrane 4 on the basis of the above embodiment, and as shown in FIG. 4, one side of the sealing membrane 4 is provided with a notch matching the diameter of the joint 3. In order to better fix the sealing membrane 4 to the main body 1, a notch is particularly arranged at the joint 3 of the main body 1 for arranging the joint 3 on one side of the main body 1, so as to avoid the bulge at the part where the joint 3 is in contact with the sealing membrane 4 from affecting the sealing effect of the sealing membrane 4.

Other parts of this embodiment are the same as those of the above embodiment and will not be described in detail.

Embodiment 7

On the basis of the above embodiment, this embodiment further limits the negative pressure provided by the negative pressure pipe 5, and the negative pressure provided by the negative pressure pipe 5 for the inside of the body 1 is 0.02-0.08Mpa. In order to better complete the adsorption of excreta at the anastamosis, the negative pressure pump or the automatic negative pressure pump in the hospital ward center is preferred here, and the negative pressure provided is 0. 02-0 .02-0 .08Mpa, so that the adsorption is not affected, and no additional adverse effect is caused to the anastamosis. Other parts of this embodiment are the same as those of the above embodiment and will not be described in detail.

Embodiment 8

This embodiment further defines a connection mode of the joint 3 and the negative pressure pipe 5 on the basis of the above embodiment, wherein the joint 3 is provided with an internal thread, the negative pressure pipe 5 is provided with an external thread matched with the internal, 502591 thread, and the joint 3 is detachably connected with the negative pressure pipe 5 through threads.

In order to ensure the stability and tightness of the fixation of the joint 3 and the negative pressure pipe 5, it is particularly preferable to fixedly connect the joint 3 and the negative pressure pipe 5 by a thread connection mode, and other connection modes which can realize the stability and tightness of the joint 3 and the negative pressure pipe 5 and can be movably separated can be selected. Other parts of this embodiment are the same as those of the above embodiment and will not be described in detail.

It can be understood that the working principle and working process of the annular negative pressure suction device structure according to one embodiment of the present application, such as the negative pressure pipe and the vacuum pump, are all in the prior art and are well known to those skilled in the art, so they will not be described in detail here.

Claims

CLAIMS LU502591

1. An annular negative pressure suction device at the anastamosis, characterized by comprising a body (1) fixed at the anastamosis, where the body (1) 1s annular, the anastamosis 1s arranged in the middle of the body (1), and a plurality of suction holes (11) are evenly distributed on the inner and outer sides of the body (1); the outside of the body (1) is also wrapped with a porous adsorption body (2), one side of the body (1) is provided with a joint (3) communicated with the inside of the body (1), and the joint (3) is connected with a negative pressure pipe (5) which provides negative pressure for the inside of the body (1) through a central negative pressure suction machine or an electric negative pressure suction machine in the hospital, so that the suction holes (11) adsorb the liquid exuded from the anastamosis into the porous adsorption body (2) which is outside the body (1) and flows into the negative pressure pipe (5) through the suction holes (11) on the inner side of the body (1); the upper part of the body (1) is also covered with an annular semitransparent sealing membrane (4) matched with the shape of the body (1), the middle part of the sealing membrane (4) is provided with a hole for leaking anastamosis fistula, and the diameter of the hole is smaller than the inner diameter of the body (1); the periphery of the sealing membrane (4) is bonded with the skin on the surface of the human body; the body (1) is fixed at the anastamosis to form a negative pressure closed environment.

2. The annular negative pressure suction device at the anastamosis according to claim 1, characterized in that the periphery of the body (1) and the porous adsorption body (2) are sutured and fixed with the skin on the surface of a human body through a medical non-absorbable sutures, a hydrophobic adhesive layer is arranged on the lower surface of the sealing membrane (4), a strong adhesive ring is arranged on the inner ring of the sealing membrane (4), and the sealing membrane (4) is fixed at the anastamosis through the hydrophobic adhesive layer and the strong adhesive ring.

3. The annular negative pressure suction device at the anastamosis according to claims 1-2, characterized in that the suction hole (11) is an ellipse having a diameter of 0.7*0.4cm.

4. The annular negative pressure suction device at the anastamosis according to claims 1-2, characterized in that the porous adsorption body (2) is made of porous and loose polyethylene alcohol hydrated seaweed salt foam dressing, and the gap diameter of the polyethylene alcohol hydrated seaweed salt foam dressing is 0.2-0.3 mm.

5. The annular negative pressure suction device at the anastamosis according to claims 1 and 2, characterized in that the surface of the sealing membrane (4) is also provided with scale,50259 1 line (41).

6. The annular negative pressure suction device at the anastamosis according to claims 1 and 2, characterized in that one side of the sealing membrane (4) is provided with a notch match with the diameter of the joint (3).

7. The annular negative pressure suction device at the anastamosis according to claims 1 and 2, characterized in that the negative pressure provided by the negative pressure pipe (5) for the inside of the body (1) is 0 .02-0.08Mpa.

8. The annular negative pressure suction device at the anastamosis according to claims 1 and 2, characterized in that the joint (3) is provided with an internal thread, the negative pressure pipe (5) is provided with an external thread matched with the internal thread, and the joint (3) is detachably connected with the negative pressure pipe (5) through threads.