CN210750342U - Double-pipeline intestinal nutrient solution supply device - Google Patents

Abstract

The utility model discloses a double-pipeline intestinal nutrient solution supply device, which comprises a liquid injection seat, a first liquid guide pipe connected with the liquid injection seat, a liquid pumping seat and a second liquid guide pipe connected with the liquid pumping seat; the injection seat is implanted into subcutaneous tissues to receive the injection of nutrient solution of an external injection device; the liquid pumping seat is implanted into subcutaneous tissue for an external liquid pumping device to perform intestinal liquid pumping; the first catheter comprises an extension pipe section and an infusion pipe section; the extension pipe section is provided with a connecting hole for passing through the opening of the stomach so as to place the infusion pipe section in the intestinal tract; a plurality of transfusion holes for outputting nutrient solution are arranged on the transfusion pipe section at intervals; the second liquid guide pipe is arranged in the liquid conveying pipe section after penetrating through the connecting hole and is used for sucking intestinal juice in the intestinal tract. Through this infusion set, need not to make the wound at patient's body surface, avoided wound inflammation and sepage to the secondary injury that patient caused, improved the efficiency of intestinal nutrition supply simultaneously, and prevent that intestinal juice from piling up and causing the injury to the intestinal in patient's intestinal.

Description

A dual-channel enteral nutrient solution providing device

technical field

The utility model belongs to the field of enteral nutrition supply, in particular to a double-pipe enteral nutrition solution supplying device.

Background technique

Enteral nutrition (EN) is a nutritional support method that provides nutrients and other nutrients required for metabolism through the gastrointestinal tract. In the disease state, patients with intestinal diseases will have a decline in digestive ability due to intestinal dysfunction or tissue disease, resulting in inability to eat normally or insufficient food. The nutrient solution can be directly supplied to the patient, so as to avoid the patient's nutritional deficiency and ensure the patient's physical condition.

In the existing enteral nutrition supply technology, a gastrostomy is generally used to place the ostomy tube on the patient, and the infusion end of the ostomy tube is indwelled outside the patient's body through the abdominal opening. In this way, the external nutrient solution is injected into the infusion solution of the ostomy tube. It flows into the patient's intestine, and it can easily supply enteral nutrition.

However, the problem that the above-mentioned prior art still exists is that the ostomy tube indwelling outside the patient needs to be cleaned and maintained from time to time, and it is easy to affect the daily life of the patient. The surrounding skin is prone to inflammation and exudation, causing secondary damage to the patient.

Utility model content

In order to overcome the above-mentioned technical defects, the present invention provides a double-pipe enteral nutrient solution supplying device, which does not need to make wounds on the patient's body surface, avoids the secondary injury caused by wound inflammation and exudate to the patient, and improves the intestinal tract. It can improve 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-mentioned problems, the utility model is realized according to the following technical solutions:

A double-pipe enteral nutrient solution supplying device comprises a liquid injection seat, a first liquid catheter connected with the liquid injection seat, a liquid extraction seat and a second liquid catheter connected with the liquid extraction seat;

The liquid injection seat is used to be implanted into subcutaneous tissue to receive nutrient solution injection from an external liquid injection device;

The liquid extraction seat is used for implanting the subcutaneous tissue for the external liquid extraction device to perform intestinal fluid extraction;

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

The extension tube section is provided with a connecting hole for passing 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 is inserted into the infusion tube segment through the connection hole, and is used for absorbing intestinal fluid in the intestinal tract.

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

The utility model is a double-pipe enteral nutrient solution supplying device, which adopts a liquid injection seat arranged in the subcutaneous tissue to receive the nutrient solution injection from the injection needle, and a liquid extraction seat arranged in the subcutaneous tissue to receive the injection needle of the liquid injection needle. Liquid extraction, no need to create a wound on the patient's body surface, avoiding the secondary injury caused by wound inflammation and exudate to the patient, and no need to indwell the patient's infusion tube to affect the patient's life, and the infusion tube segment used is placed in the intestine. And 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 placed in the infusion tube segment can be used for external suction when receiving external suction. The intestinal juice in the intestine is extracted to prevent the accumulation of intestinal fluid in the patient's intestine from causing damage to the intestine.

A further improvement of the present invention lies in that the liquid injection seat comprises a first accommodating box, a coating provided on the opening of the first accommodating box, and a first fixing piece arranged on the bottom of the first accommodating box; The sheet is used for suturing with subcutaneous tissue, which can make the container better sutured on the subcutaneous tissue. At the same time, the film provided can prevent the leakage of nutrient solution. Avoid problems such as abrasion of the skin caused by hard materials creating bulges under the skin.

A further improvement of the present invention lies in that the liquid suction seat comprises a second accommodating box, a coating provided on the opening of the second accommodating box, and a second fixing piece arranged on the bottom of the second accommodating box; The sheet is used for suturing with subcutaneous tissue, which can make the container better sutured on the subcutaneous tissue. At the same time, the film provided can prevent the leakage of nutrient solution. Avoid problems such as abrasion of the skin caused by hard materials creating bulges under the skin.

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

The second accommodating box is made of rigid plastic material, and includes a second base and a second side wall disposed on the second base, the second side wall surrounds the second base to form a second accommodating cavity, and the second The catheter extends through the second side wall into the second accommodating cavity.

A further improvement of the present invention is that the first accommodating box further includes a first guide cover disposed 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 for guiding liquid injection the needle enters the first accommodating cavity for liquid injection;

The second accommodating box further includes a second guide cover disposed on the second side wall, the second guide cover is in the shape of an inverted cone with an opening at the bottom, and is used for guiding the liquid aspiration needle into the second accommodating cavity to draw fluids;

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

A further improvement of the present invention is that the first coating film and the second coating film 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 utility model is that the length of the infusion pipe section is 2-3m.

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

A further improvement of the present invention is that the adjacent infusion holes have different openings, so that the intestinal tract can be supplied with nutrients efficiently and from multiple angles, and the nutrient absorption efficiency of the intestinal tract is also improved.

A further improvement of the present invention is that the included angle of the openings of the adjacent infusion holes is 20 degrees to 90 degrees.

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 the arrangement schematic diagram of the double-pipe enteral nutrient solution providing device described in Embodiment 1 of the present utility model;

2 is a schematic diagram of the surface structure of the double-pipe enteral nutrient solution providing device described in Example 1 of the present utility model;

3 is a schematic structural diagram of the double-pipe enteral nutrient solution providing device described in Example 1 of the present utility model;

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

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

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

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

8 is a schematic diagram of the arrangement of the infusion holes of the infusion pipe section described in Embodiment 1 of the present invention;

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

10 is a schematic structural diagram 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 segment; 112-Infusion pipe segment; 1013-first accommodating cavity; 1014-first guide cover; 102-first film; 103-first fixing piece; 2-suction seat; 21-second catheter; 201-first 2011-second base; 2012-second side wall; 2013-second chamber; 2014-second guide cover; 202-second film; 203-second fixing piece; 3-liquid injection needle .

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

Example 1

FIG. 1 to FIG. 3 show Embodiment 1 of the present invention, which discloses a double-pipe enteral nutrient solution supplying device, including a liquid injection base 1, a first catheter 11 connected to the liquid injection base 1, The suction seat 2 and the second catheter 21 connected to the suction seat 2; as shown in Figure 1, the liquid injection seat 1 and the liquid suction seat 2 are arranged at the subcutaneous tissue above the left side of the patient's abdomen, wherein the liquid injection The seat 1 is used for receiving the injection of nutrient solution from the external liquid injection needle 3; the liquid extraction seat 2 is used for inserting an external liquid suction device (not shown in the figure), such as a liquid suction needle for intestinal fluid extraction.

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

Specifically, the structure of the liquid injection seat 1 and the liquid extraction seat 2 are similar. As shown in FIGS. 4-5 , the liquid injection seat 1 includes a first accommodating box 101 and a first cover disposed on the opening of the first accommodating box 101 . The membrane 102 and the first fixing sheet 103 arranged at the bottom of the first accommodating box 101; the first fixing sheet 103 is used for suturing with the subcutaneous tissue, so that the first accommodating box 101 can be better sutured on the subcutaneous tissue, and the first covering film 102 It can play the role of preventing the leakage of the nutrient solution, and at the same time, the first covering film 102 has a certain degree of flexibility after being implanted into the subcutaneous tissue, so as to avoid the problem of abrasion of the skin caused by the bulge of the hard material under the skin.

Specifically, the first accommodating box 101 is made of rigid plastic material, and includes 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 accommodating cavity 1013, The extension pipe section 111 extends through the first side wall 1012 into the first accommodating cavity 1013. The first base 1011 and the first side wall 1012 made of hard plastic can surround and protect the injection needle to a certain extent, preventing the injection needle Injuries to nearby subcutaneous tissue due to being too sharp.

Specifically, the structure of the pumping seat 2 is shown in FIGS. 6-7 , including a second accommodating box 201 , a second covering film 202 disposed on the opening of the second accommodating box 201 , and a second accommodating box 202 disposed at the bottom of the second accommodating box 201 The second fixing sheet 203; the second fixing sheet 203 is used for suturing with the subcutaneous tissue, which can make the second containing box better sewed on the subcutaneous tissue, and the second covering film 202 can play the role of preventing the leakage of the nutrient solution, and at the same time After being implanted into the subcutaneous tissue, the second membrane 202 has a certain degree of flexibility, so as to avoid the problem of abrasion of the skin caused by the bulge of the hard material under the skin.

Specifically, the second accommodating box 201 is made of a rigid plastic material, and includes 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 accommodating cavity 2013. The second catheter 21 passes through the second side wall 2012 and extends into the second accommodating cavity 2013. The second base 2011 and the second side wall 2012 made of hard plastic can surround and protect the aspiration needle to a certain extent. The needle is too sharp to damage the nearby subcutaneous tissue.

Specifically, in this embodiment, the first covering film 102 and the second covering film 202 are both 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 3 m. The infusion tube of this length can be placed in the intestinal tract, which can provide a good nutritional supply without excessively stimulating the intestinal tract. Specifically, FIG. 8 shows the In a section of the infusion tube section 112 in this embodiment, the infusion holes 1121 on the infusion tube section 112 are spaced 5 cm apart, and the angle between the openings of the adjacent infusion holes 1121 is 90 degrees. Specifically, as shown in FIG. The position of 1121 is 0 degree angle, and three infusion holes 1122, 1123 and 1124 are set at 90 degree angle, 180 degree angle and 270 degree angle respectively every 5cm on the infusion tube section 112, so that the intestinal tract can be efficiently and multi-angle. Nutrient supply also improves the efficiency of intestinal absorption of nutrients.

Specifically, as shown in FIG. 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 . The infusion speed of the infusion hole set in this way is relatively reasonable after testing. , can achieve a good infusion effect.

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

During the subsequent infusion, the medical staff only needs to insert the injection needle 3 connected with the nutrient solution bottle through the skin and the film 102 into the accommodating cavity 1013 of the injection base 1, and inject the nutrient solution; immediately, the nutrient solution will pass through the extension pipe section. 111 flows to the infusion tube section 112, and seeps through the infusion hole 1121, and is absorbed by the intestinal tract.

When drawing fluids, the medical staff inserts the fluid aspiration needle into the accommodating cavity 2013 of the fluid aspiration base 2 and provides suction suction, and the intestinal fluid will be transferred outward through the second catheter 21 built in the infusion tube section 112, and finally by the fluid aspiration needle. draw out.

The dual-channel enteral nutrient solution supplying device disclosed in this embodiment adopts a liquid injection seat 1 disposed in the subcutaneous tissue to receive the nutrient solution injection from the liquid injection needle, and a liquid suction seat 2 disposed in the subcutaneous tissue to receive the liquid suction needle. Extracting fluids does not need to create a wound on the patient's body surface, which avoids the secondary injury caused by wound inflammation and exudate to the patient, and does not need to indwell the patient's infusion tube to affect the patient's life. At the same time, the infusion tube section 112 used is placed in the intestine The intestinal tract directly supplies nutrients to the intestinal tract through the infusion hole, which improves the efficiency of intestinal nutrient supply and the nutrient absorption degree of the intestinal tract; and the second catheter 21 placed in the infusion tube section 112 can be used to receive external During suction, the intestinal fluid in the intestinal tract is extracted to prevent the intestinal fluid accumulation in the patient's intestinal tract from causing damage to the intestinal tract.

Example 2

9-10 show Embodiment 2 of the present utility model, and its structure is similar to Embodiment 1, except that:

As shown in FIG. 9 , the first accommodating box 101 further includes a guide cover 1014 disposed on the first side wall 1012. The guide cover 1014 is in the shape of an inverted cone with a hole at the bottom for guiding the injection needle into the first accommodating cavity 1013, improve the accuracy of the operator's placement of 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 accommodating box 201 further includes a guide cover 2014 disposed on the second side wall 2012. The guide cover 2014 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 accommodating cavity In 2013, the accuracy of the operator's placement of the aspiration needle was improved, and the damage to the patient's skin caused by the placement of the aspiration needle was reduced.

Specifically, in this embodiment, the materials of the first guide cover 1014 and the second guide cover 2014 are both rigid 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 bottom opening. The hole enters the accommodating cavity.

The rest of the structure of the device for providing enteral nutrient solution disclosed in this embodiment is similar to that of Embodiment 1, and the technical effects thereof are also similar, which will not be repeated here.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Therefore, without departing from the technical solution content of the present utility model, the above embodiments are made according to the technical essence of the present utility model. Any modification, equivalent change and modification of the present invention still belong to the scope of the technical solution of the present invention.

Claims (10)

1. A double-pipeline intestinal nutrient solution supply device is characterized by comprising a liquid injection seat, a first liquid guide pipe connected with the liquid injection seat, a liquid extraction seat and a second liquid guide pipe connected with the liquid extraction seat;

the liquid injection seat is used for being implanted into subcutaneous tissues so as to receive the injection of nutrient solution of an external liquid injection device;

the liquid pumping seat is implanted into subcutaneous tissue for an external liquid pumping device to perform intestinal liquid pumping;

the first catheter comprises an extension pipe section and an infusion pipe section;

the extension pipe section is provided with a connecting hole for passing through the opening of the stomach so as to place the infusion pipe section in the intestinal tract;

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

the second liquid guide pipe penetrates through the connecting hole and is arranged in the liquid conveying pipe section and used for sucking intestinal juice in the intestinal tract.

2. The double-pipeline intestinal nutrient solution supply device according to claim 1, wherein the liquid injection seat comprises a first accommodating box, a covering film arranged on an opening of the first accommodating box, and a first fixing plate arranged at the bottom of the first accommodating box; the first fixing piece is used for being sutured with subcutaneous tissues.

3. The double-pipe enteral feeding set according to claim 2, wherein the liquid extraction base comprises a second accommodating box, a covering film arranged on an opening of the second accommodating box, and a second fixing plate arranged at the bottom of the second accommodating box; the second fixing piece is used for being sutured with subcutaneous tissues.

4. The dual-tube enteral feeding set according to claim 3, wherein the first containing box is made of a rigid plastic material and includes a first base and a first sidewall disposed on the first base, the first sidewall surrounds the first base to form a first containing cavity, and the extension tube extends into the first containing cavity through the first sidewall;

the second accommodating box is made of rigid plastic materials and comprises a second substrate and a second side wall arranged on the second substrate, the second side wall surrounds the second substrate to form a second accommodating cavity, and the second liquid guide pipe penetrates through the second side wall and extends into the second accommodating cavity.

5. The dual-tube enteral feeding set according to claim 4, wherein the first container further comprises a first guide cover disposed on the first side wall, the first guide cover being in the shape of an inverted cone with an opening at the bottom thereof for guiding the injection needle into the first container for injection;

the second accommodating box further comprises a second guide cover arranged on the second side wall, and the second guide cover is in an inverted cone shape with an opening at the bottom and used for guiding the liquid drawing needle to enter the second accommodating cavity for liquid drawing.

6. The dual-tube enteral feeding set of claim 4, wherein said tubing segment is 2-3m in length.

7. The dual-tube enteral feeding set according to claim 1, wherein the plurality of infusion holes in the infusion tube section are spaced 5-10cm apart.

8. The dual-tube enteral feeding set according to claim 7, wherein adjacent ones of said infusion ports have openings oriented differently.

9. The dual-tube enteral feeding set according to claim 8, wherein the openings of adjacent infusion holes are oriented at an included angle of 20-90 degrees.

10. The dual-channel enteral feeding set according to claim 1, wherein the opening area of the infusion hole is 6mm²-8mm²。

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