CN110368311A - A kind of intestinal nutrient solution offer device of twin flue - Google Patents

Abstract

The invention discloses a double-pipe intestinal nutrient solution supply device, which comprises a liquid injection seat, a first liquid catheter connected with the liquid injection seat, a liquid suction seat and a second liquid catheter connected with the liquid suction seat; The liquid seat is used for implanting in the subcutaneous tissue to accept the injection of nutrient solution from the external liquid injection device; the liquid suction seat is used for implanting in the subcutaneous tissue for the external liquid pumping device to extract intestinal fluid; the first catheter includes an extension pipe section and an infusion tube section; a connection hole is opened on the extension tube section, which is used to pass through the opening of the stomach to place the infusion tube section in the intestinal tract; a plurality of infusion holes for outputting nutrient solution are arranged at intervals on the infusion tube section; the second fluid guide A tube passes through the connection hole and is built into the infusion tubing section for sucking the intestinal fluid in the intestine. Through the infusion device, there is no need to create wounds on the patient's body surface, which avoids secondary damage to the patient caused by wound inflammation and exudate, improves the efficiency of intestinal nutrition supply, and prevents intestinal fluid accumulation in the patient's intestinal tract from causing damage to the intestinal tract. harm.

Description

A double-pipeline enteral nutrient solution supply device

technical field

The invention belongs to the field of intestinal nutrition supply, and in particular relates to a dual-pipeline intestinal nutrition solution supply device.

Background technique

Enteral nutrition (EN) is a nutritional support method that provides nutrients needed for metabolism and various other nutrients through the gastrointestinal tract. Intestinal disease patients in the disease state, due to intestinal dysfunction or tissue lesions, the digestive ability will be reduced, so that they cannot eat normally or eat insufficiently. The channel directly supplies the nutrient solution to avoid the patient's nutritional deficiency and ensure the patient's physical condition.

The existing intestinal nutrition supply technology generally adopts gastrostomy to place the fistula tube for the patient, and indwells the infusion end of the fistula tube outside the patient's body through the abdominal opening. In this way, the external nutrient solution is injected into the infusion of the fistula tube. end and flow into the patient's intestinal tract, which can facilitate the supply of intestinal nutrition.

However, the problem still exists in the above-mentioned prior art is that the ostomy tube left outside the patient’s body needs to be cleaned and maintained frequently, and it is easy to affect the daily life of the patient. The surrounding skin is prone to inflammation and exudate, causing secondary damage to the patient.

Contents of the invention

In order to overcome the above-mentioned technical defects, the present invention provides a double-pipe enteral nutrient solution supply device, which does not need to make wounds on the patient's body surface, avoids secondary damage caused by wound inflammation and exudate to the patient, and improves the intestinal tract at the same time. The efficiency of nutrient supply and the degree of nutrient absorption in the intestinal tract, and prevent the accumulation of intestinal fluid in the patient's intestinal tract from causing damage to the intestinal tract.

In order to solve the above problems, the present invention is realized according to the following technical solutions:

A double-pipe enteral nutrient solution supply device, comprising a liquid injection seat, a first catheter connected to the liquid injection seat, a liquid suction seat, and a second liquid catheter connected to the liquid suction seat;

The liquid injection seat is used for implanting in the subcutaneous tissue to receive the nutrient solution injection from the external liquid injection device;

The liquid suction seat is used for implanting in the subcutaneous tissue for external liquid suction device to extract intestinal juice;

The first catheter includes an extension tube section and an infusion tube section;

A connection hole is opened on the extension tube section, which is used to pass through the opening of the stomach to place the infusion tube section in the intestinal tract;

A plurality of infusion holes for outputting nutrient solution are arranged at intervals on the infusion pipe section;

The second catheter tube passes through the connecting hole and is built into the infusion tube segment for absorbing intestinal fluid in the intestinal tract.

Compared with the prior art, the beneficial effects of the present invention are:

A double-pipe enteral nutrient solution supply device of the present invention adopts a liquid injection seat arranged on the subcutaneous tissue to accept the injection of nutrient solution from the liquid injection needle, and a liquid suction seat arranged on the subcutaneous tissue to accept the suction of the liquid aspiration needle. Liquid, no need to create wounds on the patient's body surface, avoiding secondary damage to the patient caused by wound inflammation and seepage, and no need to indwell the infusion tube outside the patient's body to affect the patient's life. Direct nutrient supply to the intestinal tract through the infusion hole improves the efficiency of intestinal nutrient supply and the degree of nutrient absorption in the intestinal tract; and the second catheter tube placed in the infusion tube section can be used to stimulate the intestinal tract when receiving external suction. The intestinal fluid in the intestinal tract is extracted to prevent the accumulation of intestinal fluid in the patient's intestinal tract and cause damage to the intestinal tract.

A further improvement of the present invention is that the liquid injection seat includes a first storage box, a film disposed on the opening of the first storage box, and a first fixing piece arranged at the bottom of the first storage box; the first fixing piece It is used for suturing with subcutaneous tissue, which can make the storage box better sutured on the subcutaneous tissue. At the same time, the covering film can prevent the leakage of nutrient solution. Abrasive skin problems such as hard materials that bulge under the skin.

A further improvement of the present invention is that the liquid pumping seat includes a second storage box, a film disposed on the opening of the second storage box, and a second fixing piece arranged at the bottom of the second storage box; the second fixing piece It is used for suturing with subcutaneous tissue, which can make the storage box better sutured on the subcutaneous tissue. At the same time, the covering film can prevent the leakage of nutrient solution. Abrasive skin problems such as hard materials that bulge under the skin.

A further improvement of the present invention is that the first storage box is made of hard plastic material, and includes a first base and a first side wall arranged on the first base, and the first side wall surrounds the first base to form a first In the accommodating cavity, the extension pipe section extends into the first accommodating cavity through the first side wall; the base and the side wall made of hard plastic material can surround and protect the injection needle to a certain extent.

The second storage box is made of hard plastic material, including a second base and a second side wall arranged on the second base, the second side wall surrounds the second base to form a second storage cavity, and the second The catheter extends into the second accommodating chamber through the second side wall.

A further improvement of the present invention is that the first storage box further includes a first guide cover arranged on the first side wall, the first guide cover is in the shape of an inverted cone with a hole at the bottom, and is used to guide the injection needle enter the first containing chamber for liquid injection;

The second storage box also includes a second guide cover arranged on the second side wall, the second guide cover is in the shape of an inverted cone with a hole at the bottom, and is used to guide the liquid aspiration needle into the second storage cavity carry out pumping;

The above-mentioned guide cover can improve the accuracy of the operator in placing the liquid injection needle or the liquid withdrawal needle, and reduce the damage to the patient's skin caused by wrong placement of the liquid injection needle or the liquid withdrawal needle.

A further improvement of the present invention is that the first coating and the second coating are both non-toxic rubber films, which will not cause harm to the human body when placed under the skin.

A further improvement of the present invention lies in that the length of the infusion tube section is 2-3m.

A further improvement of the present invention is that the plurality of infusion holes on the infusion tube section are separated by 5-10 cm.

The further improvement of the present invention lies in that the openings of the adjacent infusion holes have different orientations, so that efficient and multi-angle nutrient supply can be provided to the intestinal tract, and the absorption efficiency of nutrients by the intestinal tract can also be improved.

A further improvement of the present invention lies in that the angle between the opening orientations of the adjacent infusion holes is 20°-90°.

A further improvement of the present invention is that the opening area of the infusion hole is 6mm ² -8mm ² .

Description of drawings

FIG. 1 is a schematic diagram of the setup of the double-pipe enteral nutrient solution supply device described in Example 1 of the present invention;

Figure 2 is a schematic view of the surface structure of the double-pipe enteral nutrient solution supply device described in Example 1 of the present invention;

3 is a schematic structural view of the double-pipe enteral nutrient solution supply device described in Example 1 of the present invention;

Fig. 4 is a schematic side view sectional view of the liquid injection seat described in Embodiment 1 of the present invention;

Fig. 5 is a schematic top view of the liquid injection seat described in Embodiment 1 of the present invention;

Fig. 6 is a schematic side sectional view of the liquid pumping seat described in Embodiment 1 of the present invention;

Fig. 7 is a schematic top view of the liquid pumping seat described in Embodiment 1 of the present invention;

Fig. 8 is a schematic diagram of setting the infusion hole of the infusion tube section described in Embodiment 1 of the present invention;

Fig. 9 is a schematic structural view of the first containing box described in Embodiment 2 of the present invention;

Fig. 10 is a schematic structural view of the second containing box described in Embodiment 2 of the present invention;

In the picture:

1-Injection seat; 11-First catheter; 111-Extended pipe section; 112-Infusion pipe section; 1121, 1122, 1123, 1124-Infusion hole; 101-First storage box; 1011-First base; 1012- The first side wall; 1013-the first accommodation cavity; 1014-the first guide cover; 102-the first film; 103-the first fixed piece; Two storage boxes; 2011-the second base; 2012-the second side wall; 2013-the second storage chamber; 2014-the second guide cover; 202-the second coating; 203-the second fixing piece; .

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Example 1

Fig. 1-Fig. 3 shows embodiment 1 of the present invention, discloses a kind of enteral nutrient solution providing device of double pipeline, comprises liquid injection seat 1, the first catheter tube 11 that is connected with liquid injection seat 1, pumping Liquid seat 2 and the second catheter tube 21 connected with the liquid suction seat 2; As shown in Figure 1, the liquid injection seat 1 and the liquid suction seat 2 are arranged on the subcutaneous tissue on the upper left side of the patient's abdomen, wherein the liquid injection seat 1 is used to receive the injection of nutrient solution from the external injection needle 3; the liquid suction seat 2 is used to insert an external liquid suction device (not shown in the figure), such as a liquid suction needle for intestinal juice extraction.

Specifically, as shown in FIGS. 2-3 , the first catheter tube 11 includes an extension tube section 111 and an infusion tube section 112; the extension tube section 111 has a connecting hole 1110 for passing through the opening of the stomach to connect the infusion tube section 112 Placed in the intestinal tract; the infusion tube section 112 is provided with a plurality of infusion holes 1121 at intervals for outputting nutrient solution; the second catheter tube 21 is inserted into the infusion tube section 112 through the connecting hole 1110 for absorbing intestinal juice in the intestine.

Specifically, the structures of the liquid injection seat 1 and the liquid suction seat 2 are similar. As shown in FIGS. The membrane 102 and the first fixing piece 103 arranged at the bottom of the first storage box 101; the first fixing piece 103 is used for suturing with the subcutaneous tissue, which can make the first storage box 101 better suture on the subcutaneous tissue, and the first covering film 102 It can prevent the nutrient solution from leaking out, and at the same time, the first coating 102 has a certain degree of flexibility after being implanted in the subcutaneous tissue, so as to avoid the problem of abrasion of the skin caused by hard materials protruding from the subcutaneous tissue.

Specifically, the first storage box 101 is made of hard plastic material, including a first base 1011 and a first side wall 1012 disposed on the first base 1011, the first side wall 1012 surrounds the first base 1011 to form a first storage cavity 1013, The extension pipe section 111 extends through the first side wall 1012 into the first accommodation cavity 1013, and the first base 1011 and the first side wall 1012 made of rigid plastic can surround and protect the injection needle to prevent the injection needle from Because it is too sharp to injure the nearby subcutaneous tissue.

Specifically, the structure of the liquid pumping seat 2 is shown in FIGS. The second fixing piece 203; the second fixing piece 203 is used for suturing with the subcutaneous tissue, which can make the second storage box better sewed on the subcutaneous tissue, and the second covering film 202 can prevent the nutrient solution from leaking out, and at the same time After being implanted into the subcutaneous tissue, the second covering film 202 has a certain degree of flexibility, so as to avoid the problem of abrasion of the skin caused by hard materials protruding from the subcutaneous tissue.

Specifically, the second storage box 201 is made of hard plastic material, including a second base 2011 and a second side wall 2012 disposed on the second base 2011, the second side wall 2012 surrounds the second base 2011 to form a second storage cavity 2013, The second catheter tube 21 extends into the second accommodation cavity 2013 through the second side wall 2012, and the second base 2011 and the second side wall 2012 made of hard plastic material can surround and protect the liquid suction needle to prevent The liquid aspiration needle is too sharp to injure the nearby subcutaneous tissue.

Specifically, in this embodiment, both the first covering film 102 and the second covering film 202 are non-toxic rubber films, which will not cause harm to the human body when placed under the skin.

Specifically, in this embodiment, the length of the infusion tube section 112 is 3m, and an infusion tube of this length can be placed in the intestinal tract while providing good nutrition without excessively stimulating the intestinal tract. Specifically, FIG. 8 shows In a section of the infusion tube section 112 in this embodiment, the infusion holes 1121 on the infusion tube section 112 are separated by 5 cm, and the angle between the openings of the adjacent infusion holes 1121 is 90 degrees. Specifically, as shown in FIG. 8, the infusion holes The position of 1121 is at an angle of 0 degrees, and three infusion holes 1122, 1123, and 1124 are provided at angles of 90 degrees, 180 degrees and 270 degrees every 5 cm on the infusion tube section 112, so that the intestinal tract can be efficiently and multi-angled. Nutrient supply also improves the efficiency of intestinal absorption of nutrients.

Specifically as shown in Figure 8, the infusion hole in this embodiment is an elliptical opening with a long diameter of 4 mm and a short diameter of 2 mm, and its area is about 6 mm ² . After testing, the infusion speed of the infusion hole set in this way is relatively reasonable. , can achieve a good infusion effect.

Specifically, before the double-channel enteral nutrient solution supply device disclosed in this embodiment works, the medical staff first implants the enteral nutrient solution supply device into the patient's subcutaneous tissue through surgery. After the opening, the first catheter 11 and the second catheter 21 are placed into the intestinal tract of the patient through the opening of the stomach, specifically, the infusion tube section 112 of the first catheter 11 and the built-in second catheter The tube 21 is placed in the intestinal tract; after the first catheter tube 11 and the second catheter tube 21 are inserted, the liquid injection seat 1 and the liquid suction seat 2 are left in the subcutaneous tissue and the skin is sutured.

During the follow-up infusion, the medical personnel only need to insert the liquid injection needle 3 connected with the nutrient solution bottle through the skin and the film 102 into the accommodation chamber 1013 of the liquid injection seat 1, and inject the nutrient solution; then, the nutrient solution will pass through the extension tube section 111 flows to the infusion tube section 112, seeps out through the infusion hole 1121, and is absorbed by the intestinal tract.

When pumping liquid, the medical personnel insert the liquid suction needle into the accommodation cavity 2013 of the liquid suction seat 2 and provide suction, the intestinal fluid will be transported outward through the second catheter tube 21 built in the infusion tube section 112, and finally passed by the liquid suction needle pull out.

The double-pipe enteral nutrient solution supply device disclosed in this embodiment adopts the liquid injection seat 1 arranged on the subcutaneous tissue to receive the nutrient solution injection of the liquid injection needle, and the liquid suction seat 2 arranged on the subcutaneous tissue to receive the liquid suction needle. Pumping fluid does not need to create a wound on the patient's body surface, avoiding the secondary damage caused by wound inflammation and exudate to the patient, and does not need to indwell the infusion tube outside the patient's body to affect the patient's life. In the tract and through the infusion hole, the intestinal tract is directly supplied with nutrition, which improves the efficiency of intestinal nutrition supply and the degree of nutrient absorption in the intestinal tract; and the second catheter tube 21 placed in the infusion tube section 112 can be used to receive external When suctioning, the intestinal juice in the intestinal tract is extracted to prevent the accumulation of intestinal fluid in the patient's intestinal tract and cause damage to the intestinal tract.

Example 2

Fig. 9-Fig. 10 have shown embodiment 2 of the present invention, and its structure is similar to embodiment 1, and difference is:

As shown in FIG. 9 , the first storage box 101 also includes a guide cover 1014 arranged on the first side wall 1012. The guide cover 1014 is in the shape of an inverted cone with a hole at the bottom, and is used to guide the injection needle into the first storage cavity. 1013, improve the accuracy of the operator in placing the injection needle, and reduce the damage to the patient's skin caused by the wrong placement of the injection needle.

As shown in FIG. 10 , the second storage box 201 also includes a guide cover 2014 arranged on the second side wall 2012. The guide cover 2014 is an inverted conical shape with a hole at the bottom, and is used to guide the liquid aspiration needle into the second storage chamber. In 2013, improve the accuracy of the operator in placing the aspiration needle, and reduce the damage to the patient's skin caused by the wrong placement of the aspiration needle.

Specifically, in this embodiment, the materials of the first guide cover 1014 and the second guide cover 2014 are both hard plastic materials, which can give the operator a certain feel feedback when the needle is inserted, and guide the operator to pass the needle through the opening at the bottom. hole into the chamber.

The rest of the structure of the intestinal nutrient solution providing device disclosed in this embodiment is similar to that of Embodiment 1, and its technical effect is also similar, so it will not be repeated here.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form. Therefore, any modification, Equivalent changes and modifications all still belong to the scope of the technical solutions of the present invention.

Claims (10)

1. A dual-pipe enteral nutrient solution supply device, characterized in that it comprises a liquid injection seat, a first catheter connected to the liquid injection seat, a liquid suction seat and a second liquid catheter connected to the liquid suction seat ; The liquid injection seat is used for implanting in the subcutaneous tissue to receive the nutrient solution injection from the external liquid injection device; The liquid suction seat is used for implanting in the subcutaneous tissue for external liquid suction device to extract intestinal juice; The first catheter includes an extension tube section and an infusion tube section; A connection hole is opened on the extension tube section, which is used to pass through the opening of the stomach to place the infusion tube section in the intestinal tract; A plurality of infusion holes for outputting nutrient solution are arranged at intervals on the infusion pipe section; The second catheter tube passes through the connecting hole and is built into the infusion tube segment for absorbing intestinal fluid in the intestinal tract. 2. The double-pipe enteral nutrient solution supply device according to claim 1, characterized in that, the liquid injection seat comprises a first storage box, a film disposed on the opening of the first storage box, and a coating disposed on the second A first fixing sheet at the bottom of the housing box; the first fixing sheet is used for suturing with subcutaneous tissue. 3. The double-pipe enteral nutrient solution supply device according to claim 2, characterized in that, the liquid pumping seat comprises a second storage box, a film disposed on the opening of the second storage box, and a coating disposed on the second storage box. 2. The second fixing sheet at the bottom of the storage box; the second fixing sheet is used for suturing with subcutaneous tissue. 4. The double-pipe enteral nutrient solution supply device according to claim 3, characterized in that, the first containing box is made of hard plastic material, comprising a first base and a first side wall arranged on the first base , the first side wall surrounds the first base to form a first accommodating cavity, and the extension pipe section extends through the first side wall into the first accommodating cavity; The second storage box is made of hard plastic material, including a second base and a second side wall arranged on the second base, the second side wall surrounds the second base to form a second storage cavity, and the second The catheter extends into the second accommodating chamber through the second side wall. 5. The double-pipe enteral nutrient solution supply device according to claim 4, characterized in that, the first containing box further comprises a first guide cover arranged on the first side wall, and the first guide The cover is in the shape of an inverted cone with a hole at the bottom, and is used to guide the liquid injection needle into the first accommodation cavity for liquid injection; The second storage box also includes a second guide cover arranged on the second side wall, the second guide cover is in the shape of an inverted cone with a hole at the bottom, and is used to guide the liquid aspiration needle into the second storage cavity Perform aspiration. 6 . The double-pipe enteral nutrient solution supply device according to claim 4 , wherein the length of the infusion pipe section is 2-3 m. 7 . 7. The double-pipe enteral nutrient solution supply device according to claim 1, characterized in that the intervals between the multiple infusion holes on the infusion tube section are 5-10 cm. 8 . The double-pipe enteral nutrient solution supply device according to claim 7 , wherein the openings of adjacent infusion holes have different orientations. 9 . The double-pipe enteral nutrient solution supply device according to claim 8 , wherein the included angle between openings of adjacent infusion holes is 20°-90°. 10 . The double-pipe enteral nutrient solution supply device according to claim 1 , wherein the opening area of the infusion hole is 6 mm ² -8 mm ² .