CN210750344U

CN210750344U - Intestinal canal infusion device

Info

Publication number: CN210750344U
Application number: CN201921179951.4U
Authority: CN
Inventors: 严淑红; 陈晓琼; 刘爱红; 何兰珍; 谭淑云
Original assignee: Sixth Affiliated Hospital of Sun Yat Sen University
Current assignee: Sixth Affiliated Hospital of Sun Yat Sen University
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-06-16
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses an intestinal infusion device, which comprises an infusion seat and a liquid guide pipe connected with the infusion 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 needle; the catheter comprises an extension pipe section and a transfusion pipe section; the extension pipe section is used for passing through an opening of a stomach 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. Through this infusion set, need not to make the wound at patient's body surface, avoided wound inflammation and sepage to the secondary damage that patient caused, also need not to keep somewhere the transfer line in order to influence patient's life outside patient, improved the nutrition absorption degree of the efficiency of intestinal nutrition supply and intestinal simultaneously.

Description

Intestinal canal infusion device

Technical Field

The utility model belongs to intestinal nutrition supplies with the field, concretely relates to intestinal infusion set.

Background

Enteral Nutrition (EN) is a nutritional support for supplying nutrients and other various nutrients needed for metabolism via the gastrointestinal tract. The digestive ability of patients with intestinal diseases is reduced due to conditions such as intestinal dysfunction or tissue pathological changes in the disease state, so that the patients can not eat food normally or eat food insufficiently.

The existing intestinal nutrition supply technology generally adopts the gastrostomy technique to settle the fistulization tube for the patient, and keeps the transfusion end of the fistulization tube outside the patient body through the abdominal opening, so that the external nutrient solution is injected into the transfusion end of the fistulization tube and flows into the intestinal tract of the patient, and the intestinal nutrition can be conveniently supplied.

However, the above prior art still has problems that the fistulization tube left outside the body of the patient needs to be cleaned and maintained frequently, and is liable to affect the daily life of the patient, and at the same time, the abdominal fistulization wound of the gastrostomy needs to be cared frequently, and the skin around the wound is liable to be inflamed and exuded, causing secondary damage to the patient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defect, the utility model provides an intestinal infusion set need not to make the wound at patient's body surface, has avoided wound inflammation and sepage to the secondary injury that patient caused, also need not to keep somewhere the transfer line in order to influence patient's life in vitro at patient, has improved the nutrient absorption degree of intestinal nutrition supply's efficiency and intestinal simultaneously.

In order to solve the above problem, the utility model discloses realize according to following technical scheme:

an intestinal canal infusion device is characterized by comprising an infusion seat and a liquid guide pipe connected with the infusion 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 needle;

the catheter comprises an extension pipe section and a transfusion pipe section;

the extension pipe section is used for passing through an opening of a stomach 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.

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

the utility model discloses an intestinal infusion set, the adoption sets up and pours into in order to accept the nutrient solution of annotating the liquid needle into at the notes liquid seat of subcutaneous tissue, need not to make the wound at patient's body surface, the secondary damage of having avoided wound inflammation and sepage to cause patient, also need not to keep somewhere the transfer line in order to influence patient's life in vitro at patient, the transfer line section of adoption simultaneously arranges in the intestinal and carries out direct nutrition supply through the infusion pore pair intestinal, the efficiency of intestinal nutrition supply and the nutrient absorption degree of intestinal have been improved.

The utility model is further improved in that the liquid injection seat comprises an accommodating box, a covering film arranged on the opening of the accommodating box and a fixing sheet arranged at the bottom of the accommodating box; the stationary blade is used for sewing up with subcutaneous tissue, can be so that hold the box and sew up better on subcutaneous tissue, and the tectorial membrane that sets up simultaneously can play the effect that prevents that the nutrient solution from leaking, and the tectorial membrane has certain flexibility after implanting subcutaneous tissue simultaneously, avoids producing the problem of the wearing and tearing skin that rises and lead to like hard material under the skin.

The utility model discloses a further improvement lies in, the tectorial membrane is nontoxic rubber film, can not produce harm to the human body when arranging in the subcutaneous.

The utility model discloses a further improvement lies in, it adopts rigid plastic material to hold the box, including basement and the lateral wall of setting on the basement, the lateral wall encircles the basement forms one and holds the chamber, extend the pipeline section and pass the lateral wall and extend into hold the intracavity, rigid plastic material's basement and lateral wall can play certain surrounding and guard action to annotating the liquid needle.

The utility model discloses a further improvement lies in, it still includes a guide cover of setting on the lateral wall to hold the box, the guide cover is the inverted cone form of bottom trompil for the guide annotates the liquid needle and gets into hold the chamber, improve the degree of accuracy that operating personnel placed the notes liquid needle, reduce because of annotating the liquid needle and place the injury that the mistake caused for patient's skin.

The utility model is further improved in that the length of the infusion tube section is 2-3 m.

The utility model is further improved in that a plurality of transfusion holes on the transfusion pipe section are separated by 5-10 cm.

The utility model discloses a further improvement lies in, and is adjacent infusion hole trompil orientation is different to can carry out the nutrition supply of high efficiency and multi-angle to the intestinal, also improve the intestinal absorption efficiency to nutrition.

The utility model is further improved in that the angle of the opening direction of the adjacent infusion hole is 20-90 degrees.

The further improvement of the utility model is that the open area of the transfusion hole is 6mm²-8mm²。

Drawings

Fig. 1 is a schematic view of the arrangement of an intestinal infusion device according to embodiment 1 of the present invention;

fig. 2 is a schematic view of the surface structure of the intestinal infusion device according to embodiment 1 of the present invention;

fig. 3 is a schematic side sectional view of the liquid filling seat according to embodiment 1 of the present invention;

fig. 4 is a schematic top view of the liquid filling seat according to embodiment 1 of the present invention;

FIG. 5 is a schematic view showing the arrangement of infusion holes of an infusion tube section according to embodiment 1 of the present invention;

FIG. 6 is a schematic structural view of the accommodation box according to embodiment 2 of the present invention;

in the figure:

1-liquid injection seat, 11-containing box; 111-a substrate; 112-a side wall; 113-a containment chamber; 114-a boot; 12-coating a film; 13-a fixing sheet; 2-a catheter, 21-an extension tube section; 22-a section of infusion tubing; 221. 2211, 2212, 2213, 2214-infusion holes; 3-liquid injection needle.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

Fig. 1-2 show an embodiment 1 of the present invention, disclosing an intestinal infusion device, comprising an infusion seat 1 and a catheter 2 connected with the infusion seat 1; as shown in fig. 1, the infusion seat 1 is arranged at the subcutaneous tissue above the left side of the abdomen of a patient to receive the infusion of the nutrient solution of the external infusion needle 3; as shown in fig. 2, the catheter 2 includes an extension tube section 21 and an infusion tube section 22; the extension tube section 21 is used for passing through the opening of the stomach to place the infusion tube section 22 in the intestinal tract; a plurality of transfusion holes 221 for outputting nutrient solution are arranged on the transfusion pipe section 22 at intervals.

Specifically, as shown in fig. 3-4, the liquid injection seat 1 comprises an accommodating box 11, a covering film 12 arranged on an opening of the accommodating box 11, and a fixing sheet 13 arranged at the bottom of the accommodating box 11; the fixing piece 13 is used for being sewed with subcutaneous tissues, so that the accommodating box can be better sewed on the subcutaneous tissues, the covering film 12 can play a role in preventing the nutrient solution from leaking, and meanwhile, the covering film 12 has certain flexibility after being implanted into the subcutaneous tissues, so that the problem of skin abrasion caused by the fact that hard materials are raised under the skin is avoided. Specifically, in this embodiment, the cover film 12 is a non-toxic rubber film, and will not harm human body when placed under skin. Specifically, the accommodating box 11 is made of rigid plastic, and comprises a base 111 and a side wall 112 arranged on the base 111, the side wall 112 surrounds the base 111 to form an accommodating cavity 113, the extending pipe section 21 penetrates through the side wall 112 to extend into the accommodating cavity 113, and the base 111 and the side wall 112 made of rigid plastic can surround and protect the injection needle to a certain extent, so that the injection needle is prevented from being too sharp to hurt nearby subcutaneous tissues.

Specifically, the length of the infusion tube section 22 in this embodiment is 3m, and an infusion tube of this length can be placed in an intestinal tract to perform a good nutrition supply function without excessively stimulating the intestinal tract, specifically, fig. 5 shows a section of the infusion tube section in this embodiment, wherein the intervals between infusion holes 221 on the infusion tube section 22 are 5cm, and the included angle between the opening directions of adjacent infusion holes 221 is 90 degrees, specifically, as shown in fig. 5, the position of an infusion hole 2211 is 0 degree, and three

infusion holes

2212, 2213 and 2214 are respectively arranged on the infusion tube section 22 at intervals of 5cm at 90 degrees, 180 degrees and 270 degrees, so that efficient and multi-angle nutrition supply can be performed on the intestinal tract, and the absorption efficiency of the intestinal tract on nutrition is also improved.

Specifically, as shown in FIG. 5, the infusion hole in this embodiment is an elliptical hole with a long diameter of 4mm and a short diameter of 2mm, and has an area of about 6mm²The test shows that the transfusion speed of the transfusion hole is reasonable, and a good transfusion effect can be achieved.

Specifically, before the intestinal infusion device disclosed in this embodiment is operated, a medical worker implants the infusion device into subcutaneous tissue of a patient through an operation, specifically, after the medical worker opens a stomach, the medical worker sets the catheter 2 into an intestinal tract of the patient through the opening of the stomach, and specifically, the infusion tube section 22 of the catheter 2 is placed into the intestinal tract; after the liquid guide tube 2 is placed, the liquid injection seat 1 is left on subcutaneous tissue and then the skin is sutured, when in subsequent transfusion, medical personnel only need to insert the liquid injection needle 3 connected with a nutrient solution bottle into the accommodating cavity 113 of the liquid injection seat 1 through the skin and the covering film 12 and inject the nutrient solution; then, the nutrient solution will flow through the extension pipe section 21 to the infusion pipe section 22 and seep out through the infusion hole 221 to be absorbed by the intestinal tract.

The disclosed intestinal infusion set of this embodiment adopts the nutrient solution that sets up the notes liquid seat 1 in order to accept the notes liquid needle at subcutaneous tissue to pour into, need not to make the wound at patient's body surface, avoided wound inflammation and oozing liquid to the secondary damage that patient caused, also need not to keep somewhere the transfer line in order to influence patient's life in vitro at patient, the transfer line section 22 of adoption simultaneously arranges in the intestinal and carries out direct nutrition supply through the infusion pore pair intestinal, the efficiency of intestinal nutrition supply and the nutrition absorption degree of intestinal have been improved.

Example 2

Fig. 6 shows embodiment 2 of the present invention, the structure of which is similar to embodiment 1, the difference is that it holds the box 11 and further includes a guiding cover 114 disposed on the side wall 112, the guiding cover 114 is an inverted cone with a hole at the bottom for guiding the injection needle to enter the holding cavity 113, the accuracy of placing the injection needle by the operator is improved, and the injury to the skin of the patient due to the wrong placement of the injection needle is reduced. Simultaneously in this embodiment, the material of guide cover 114 is rigid plastic material, can give certain feel feedback for operating personnel when annotating the liquid needle and insert, and guide operating personnel will annotate the trompil entering of liquid needle through the bottom and hold chamber 113.

The remaining structure of the intestinal tract device disclosed in this embodiment is similar to that of embodiment 1, and the technical effect is also similar, which is not described herein again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims

1. An intestinal canal infusion device is characterized by comprising an infusion seat and a liquid guide pipe connected with the infusion seat;

2. The intestinal infusion device of claim 1, wherein the liquid injection seat comprises an accommodating box, a covering film arranged on an opening of the accommodating box and a fixing plate arranged at the bottom of the accommodating box; the fixing sheet is used for being sutured with subcutaneous tissues.

3. The enteral feeding set of claim 2, wherein said containment cassette is formed of a rigid plastic material and includes a base and a sidewall disposed on said base, said sidewall surrounding said base to define a containment chamber, said extension tube extending through said sidewall into said containment chamber.

4. The enteral feeding set of claim 3, wherein said containment cassette further comprises a guide shield disposed on said side wall, said guide shield being in the form of an inverted cone with an open bottom for guiding said needle into said containment chamber.

5. The enteral administration set of claim 2, wherein said cover is a non-toxic rubber membrane.

6. The enteral feeding set of claim 1, wherein said tubing segment is 2-3m in length.

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

8. The enteral feeding set of claim 7, wherein adjacent said infusion port openings are oriented differently.

9. The enteral feeding set of claim 8, wherein the apertures of adjacent said infusion ports are oriented at an included angle of 20-90 degrees.

10. The enteral feeding set of claim 1, wherein said infusion orifice has an open area of 6mm²-8mm²。