Intestinal administration device for digestive department

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an intestinal administration device for the gastroenterology department, which comprises an administration tube body, a first air bag and a second air bag, the first air bag and the second air bag are arranged on the outer surface of the administration tube body, and an air delivery tube is coaxially arranged in the administration tube body and communicated with the first air bag and the second air bag. One end of the air delivery pipe is communicated with an inflator pump located outside the dosing pipe body, an infusion cavity is jointly formed between the inner wall of the dosing pipe body and the outer surface of the air delivery pipe, one end of the infusion cavity is connected with an injector located outside the dosing pipe body, a plurality of liquid outlet holes are formed in the outer surface of the dosing pipe body, an elastic piece is arranged in each liquid outlet hole, and the outer surface of the dosing pipe body is provided with a liquid outlet. The surface of the movable block is connected with a pull rope, the pull rope is arranged in the infusion cavity, and the end, away from the movable block, of the pull rope is located outside the administration tube body. By the adoption of the technical scheme, the problem that the treatment effect of medicine is lower than the expectation due to the fact that the medicine cannot make full and even contact with intestinal mucosa during current intestinal administration can be effectively solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and particularly relates to an intestinal medicator for the digestive department. Background Art

[0002] In the process of clinical treatment, intestinal administration is a common drug delivery method. Compared with intravenous injection, rectal administration is simpler, more comfortable, non-invasive and less costly for patients, which can improve the medication compliance of patients. Moreover, the drug delivery method based on the gastrointestinal tract also has significant advantages in targeted therapy and local therapy. The gastrointestinal drug delivery system can deliver drugs systemically or locally, and can utilize the differences between different parts of the gastrointestinal tract to achieve targeted drug release. For example, targeting drugs to the colon can treat colitis and mucosal immune responses. At the same time, rectal administration avoids the influence and destructive effect of acids, alkalis and digestive enzymes on drugs, and reduces the irritation of drugs to the gastrointestinal tract. At present, most intestinal administrations are operated by medical staff using relevant syringes. For example, a Chinese patent discloses an intestinal medicator (patent publication number: CN215961751U). There are multiple air bags on the medicator body, and different numbers of air bags can be set according to different lengths. The air bags are inflated by filling them with gas to make them expand and closely adhere to the inner wall of the intestine, so that the liquid medicine ejected by the medicator can be concentrated between adjacent air bags, the liquid medicine can fully contact the lesion, and the backflow of the liquid medicine can be prevented, thus improving the absorption of the liquid medicine by the intestine.

[0003] Although the above technical solution can position the intestinal medicator body through multiple air bags and prevent the backflow of liquid medicine at the same time, when treating the patient's intestine with liquid medicine, due to the different positions of the lesions in the intestine, the position of the medicine outlet hole cannot be accurately aligned with the lesions in the intestine every time, and the normal contraction of the inner wall of the intestine will adhere to the outer wall of the medicine delivery pipe, resulting in the blockage of the outer wall of the medicator when the medicine is delivered, and the medicine delivery is slow. Summary of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide an intestinal medicator for the digestive department to solve the problem that when administering drugs to the intestine at present, the drugs cannot fully contact the intestinal mucosa, resulting in the treatment effect of the drugs being lower than expected.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An intestinal drug delivery device for the department of gastroenterology, comprising a drug delivery tube body, a first airbag and a second airbag arranged on the outer surface of the drug delivery tube body. The first airbag and the second airbag are both annular and are arranged at one end of the drug delivery tube body at intervals along the length direction of the drug delivery tube body. A gas delivery tube is coaxially arranged inside the drug delivery tube body. The gas delivery tube is communicated with the first airbag and the second airbag, and one end of the gas delivery tube is communicated with an air inflation pump located outside the drug delivery tube body. A liquid infusion chamber for conveying liquid medicine is arranged at an interval between the inner wall of the drug delivery tube body and the outer surface of the gas delivery tube, and the two jointly form the liquid infusion chamber. One end of the liquid infusion chamber is connected with a syringe located outside the drug delivery tube body. A plurality of liquid outlet holes are circumferentially arranged at intervals on the outer surface of the drug delivery tube body. Each liquid outlet hole is arranged between the first airbag and the second airbag and is communicated with the liquid infusion chamber. An elastic member is arranged in each liquid outlet hole along the length direction of the drug delivery tube body. One end of each elastic member is connected with the surface of the drug delivery tube body, and the other ends are jointly fixedly connected with a movable block. The movable block is coaxially and slidably arranged on the inner wall of the drug delivery tube body, and a pull rope is connected to the surface of the movable block. The pull rope is arranged in the liquid infusion chamber, and one end of the pull rope far away from the movable block is located outside the drug delivery tube body.

[0007] Further, a filter screen is arranged in each liquid outlet hole. Each filter screen is fixedly connected with the surface of the drug delivery tube body, and a convex block for abutting against the elastic member is connected to the outer surface of the filter screen.

[0008] Further, the movable block is annular and is slidably arranged on the outer surface of the gas delivery tube. A spring is connected to the surface of the movable block on the side far away from the pull rope. The spring is sleeved on the outer surface of the gas delivery tube, and one end of the spring far away from the movable block is connected with the drug delivery tube body.

[0009] Further, two pull ropes are connected to the surface of the movable block, and the two ends of the two pull ropes far away from the movable block are jointly connected with a pull ring. The pull ring is located outside the drug delivery tube body.

[0010] Further, one end of the drug delivery tube body extending into the patient's body is arc-shaped and has a smooth surface.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. By arranging the first airbag and the second airbag on the surface of the drug delivery tube body, the utility model can fix the liquid outlet holes between the inner walls of the patient's intestine and form a semi-sealed area. And an elastic member that can protrude outward is arranged outside each liquid outlet hole. The elastic member can support the inner wall of the intestine. When the liquid medicine sprays out from the liquid outlet hole, it can be concentrated at the patient's lesion site, ensuring that the liquid medicine will not be too dispersed, thereby affecting its treatment effect. It effectively increases the contact area between the liquid medicine and the intestinal lesion of the patient and ensures the treatment effect of the liquid medicine.

[0013] Other advantages, objectives, and features of the present utility model will be elaborated in the subsequent description, and to some extent, they are obvious to those skilled in the art, or those skilled in the art can obtain teachings from the practice of the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the following description. Brief Description of the Drawings

[0014] To make the objectives, technical solutions, and beneficial effects of the present utility model clearer, the present utility model provides the following drawings for illustration:

[0015] Figure 1 Cross-sectional view of the drug delivery tube body of the present utility model Figure 1 ;

[0016] Figure 2 Cross-sectional view of the drug delivery tube body of the present utility model Figure 2 ;

[0017] Figure 3 Three-dimensional structure diagram of the liquid outlet hole of the present utility model.

[0018] The markings in the drawings are as follows:

[0019] 1 drug delivery tube body, 2 first airbag, 3 second airbag, 4 air delivery tube, 5 infusion chamber, 6 liquid outlet hole, 7 elastic member, 8 movable block, 9 pull rope, 10 filter screen, 11 convex block, 12 spring, 13 pull ring. Detailed Description of the Embodiment

[0020] As Figures 1 to 3 shown,

[0021] A gastrointestinal drug delivery device for the digestive department includes a drug delivery tube body 1, a first airbag 2, and a second airbag 3 provided on the outer surface of the drug delivery tube body 1. Both the first airbag 2 and the second airbag 3 are annular and are spaced along the length direction of the drug delivery tube body 1 at one end of the drug delivery tube body 1. Among them, the second airbag 3 is close to the right end face of the drug delivery tube body 1 (as Figure 1As shown in the figure; an air delivery pipe 4 is coaxially arranged inside the administration tube body 1, the air delivery pipe 4 is communicated with the first airbag 2 and the second airbag 3, and one end of the air delivery pipe 4 is communicated with an air inflation pump (not shown in the figure) located outside the administration tube body 1; a liquid infusion chamber 5 for delivering liquid medicine is formed by being arranged at intervals between the inner wall of the administration tube body 1 and the outer surface of the air delivery pipe 4, one end of the liquid infusion chamber 5 is connected with a syringe located outside the administration tube body 1, and the therapeutic liquid medicine is injected into the liquid infusion chamber 5 through the syringe (the syringe is not shown in the figure), a plurality of liquid outlet holes 6 which are circumferentially arranged at intervals are formed in the outer surface of the administration tube body 1, the liquid outlet holes 6 are strip-shaped, each liquid outlet hole 6 is arranged between the first airbag 2 and the second airbag 3 and is communicated with the liquid infusion chamber 5, an elastic member 7 arranged along the length direction of the administration tube body 1 is arranged in each liquid outlet hole 6, the elastic member 7 can be made of medical-grade plastic or elastic metal, one end of each elastic member 7 is connected with the surface of the administration tube body 1, the other ends are fixedly connected with a movable block 8 in common, the movable block 8 is coaxially and slidably arranged on the inner wall of the administration tube body 1, a pull rope 9 is connected to the surface of the movable block 8, the pull rope 9 is arranged in the liquid infusion chamber 5 along the length direction of the administration tube body 1, and one end of the pull rope 9 far away from the movable block 8 is located outside the administration tube body 1.

[0022] When treating a patient, with the assistance of an endoscope, medical staff move one end of the administration tube body 1 to the lesion in the patient's intestine, ensure that the lesion position of the patient's intestine is located between the first airbag 2 and the second airbag 3, then start the air inflation pump, and inflate the first airbag 2 and the second airbag 3 through the air delivery pipe 4. When the first airbag 2 and the second airbag 3 expand to a certain extent, the air inflation pump can be closed. At this time, the outer surfaces of the first airbag 2 and the second airbag 3 expand and tightly adhere to the inner wall of the patient's intestine (such as Figure 2As shown in the figure, a semi-sealed treatment area is formed between the first airbag 2, the second airbag 3 and the inner wall of the patient's intestine, and the first airbag 2, the second airbag 3 also limit the medication tube body 1 together to prevent the peristalsis of the intestine from causing displacement of the medication tube body 1; after adjusting the first airbag 2 and the second airbag 3, one end of the pull rope 9 is pulled to move the movable block 8 toward the end away from the second airbag 3, and the movable block 8 will abut against each elastic member 7 while moving, and each elastic member 7 will protrude toward the side away from the surface of the medication tube body 1, and the multiple elastic members 7 will prop up the inner wall of the patient's intestine while protruding, so that the inner wall of the intestine There is a certain gap between the lesion and the outer surface of the drug delivery tube body 1 to prevent the inner wall of the intestine from being close to the liquid outlet hole 6. At this time, the pre-prepared medicine is injected into the infusion chamber 5 through the syringe. Under the action of the syringe, the liquid medicine will flow out from each liquid outlet hole 6. The liquid medicine can completely fill the gap between the inner wall of the intestine and the drug delivery tube body 1, and fully contact with the patient's lesion and perform treatment. Among them, the first airbag 2 and the second airbag 3 can concentrate the liquid medicine at the patient's lesion, ensuring that the liquid medicine will not be too dispersed, thereby affecting its therapeutic effect, effectively increasing the contact area between the liquid medicine and the patient's intestinal lesions, and ensuring the therapeutic effect of the liquid medicine.

[0023] In this embodiment, a filter screen 10 is disposed in each of the liquid outlet holes 6 , each of the filter screens 10 is fixedly connected to the surface of the drug delivery tube body 1 , and a protrusion 11 for abutting against the elastic member 7 is connected to the outer surface of the filter screen 10 .

[0024] As shown in the figure, under normal circumstances, the outer surface of the protrusion 11 abuts against the surface of the elastic member 7, so that the elastic member 7 maintains a certain bending arc. When the movable block 8 moves toward the first airbag 2, each elastic member 7 can protrude outward in the expected direction to open the inner wall of the patient's intestine; therefore, the setting of the protrusion 11 can improve the stability of the movement of each elastic member 7.

[0025] In this embodiment, the movable block 8 is annular and is slidably arranged on the outer surface of the air supply pipe 4. The side surface of the movable block 8 away from the pull rope 9 is connected to a spring 12. The spring 12 is sleeved on the outer surface of the air supply pipe 4, and the end of the spring 12 away from the movable block 8 is fixedly connected to the inner wall of the drug delivery tube body 1.

[0026] As shown in the figure, when the pull rope 9 is pulled and the movable block 8 is controlled to move toward the first airbag 2, the spring 12 is stretched; when the pull rope 9 is no longer pulled, the spring 12 returns to its original state and simultaneously drives the movable block 8 and the elastic member 7 to reset, thereby assisting the elastic member 7 and ensuring that the elastic member 7 can be stably reset.

[0027] In this embodiment, two pulling ropes 9 are connected to the surface of the movable block 8. The ends of the two pulling ropes 9 away from the movable block 8 are commonly connected to a pull ring 13. The pull ring 13 is located outside the medicine delivery tube body 1. Driving the pulling ropes 9 to move through the pull ring 13 facilitates the operation of medical staff and improves the convenience during use.

[0028] In this embodiment, the end of the medicine delivery tube body 1 extending into the patient's body is arc-shaped and has a smooth surface, which is convenient for being placed in the patient's stomach and intestines and reduces discomfort.

[0029] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. An intestinal medication device for gastroenterology, comprising a medication tube body (1) and a first air bag (2) and a second air bag (3) arranged on the outer surface of the medication tube body (1), characterized in that: The first airbag (2) and the second airbag (3) are both annular and are arranged at intervals at one end of the drug delivery tube body (1) along the length direction of the drug delivery tube body (1); an air delivery tube (4) is coaxially arranged inside the drug delivery tube body (1), the air delivery tube (4) is connected to the first airbag (2) and the second airbag (3), and one end of the air delivery tube (4) is connected to an air pump located outside the drug delivery tube body (1); an infusion chamber (5) for conveying drug solution is arranged between the inner wall of the drug delivery tube body (1) and the outer surface of the air delivery tube (4) and together constitutes a drug delivery chamber (5), one end of the drug delivery chamber (5) is connected to a syringe located outside the drug delivery tube body (1), and the outer surface of the drug delivery tube body (1) is provided with a plurality of Liquid outlet holes (6) are arranged at intervals in the circumferential direction, each of the liquid outlet holes (6) is arranged between the first air bag (2) and the second air bag (3) and is connected to the infusion chamber (5), each of the liquid outlet holes (6) is provided with an elastic member (7) arranged along the length direction of the drug delivery tube body (1), one end of each elastic member (7) is connected to the surface of the drug delivery tube body (1), and the other end is fixedly connected to a movable block (8), the movable block (8) is coaxially and slidably arranged on the inner wall of the drug delivery tube body (1), and the surface of the movable block (8) is connected to a pull rope (9), the pull rope (9) is arranged in the infusion chamber (5), and the end of the pull rope (9) away from the movable block (8) is located outside the drug delivery tube body (1).

2. The intestinal medication device for gastroenterology according to claim 1, characterized in that: A filter screen (10) is provided in each of the liquid outlet holes (6), each of the filter screens (10) is fixedly connected to the surface of the medication tube body (1), and the outer surface of the filter screen (10) is connected to a protrusion (11) for abutting against the elastic member (7).

3. The intestinal medication device for gastroenterology according to claim 2, characterized in that: The movable block (8) is annular and is slidably arranged on the outer surface of the air delivery pipe (4); a spring (12) is connected to the surface of the movable block (8) on one side away from the pull rope (9); the spring (12) is sleeved on the outer surface of the air delivery pipe (4); and one end of the spring (12) away from the movable block (8) is connected to the drug delivery tube body (1).

4. The intestinal medication device for gastroenterology according to claim 3, characterized in that: Two drawstrings (9) are connected to the surface of the movable block (8), and one end of the two drawstrings (9) away from the movable block (8) is commonly connected to a draw ring (13), and the draw ring (13) is located outside the medication tube body (1).

5. The intestinal medication device for gastroenterology according to claim 4, characterized in that: The end of the medication tube body (1) extending into the patient's body is arc-shaped and has a smooth surface.

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