CN216091836U

CN216091836U - Duodenum syringe

Info

Publication number: CN216091836U
Application number: CN202122203863.7U
Authority: CN
Inventors: 黄常桂
Original assignee: Suzhou Fangda New Drug Development Co ltd
Current assignee: Suzhou Fangda New Drug Development Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-22
Anticipated expiration: 2031-09-13

Abstract

The utility model provides a duodenal syringe, which belongs to the technical field of medical instruments and comprises an air supply part, an air supply pipe, a medicine storage pipe and a liquid medicine blocking part, wherein one end of the air supply pipe is connected with the air supply part, the other end of the air supply pipe is connected with the medicine storage pipe, the air supply part can inject air into the medicine storage pipe through the air supply pipe, the liquid medicine blocking part comprises a first sealing piece and a second sealing piece, the first sealing piece and the second sealing piece are movably arranged in the medicine storage pipe, a liquid medicine storage area is formed between the first sealing piece and the second sealing piece, and a plurality of medicine outlet holes are formed in the side wall of the medicine storage pipe. Compared with the prior art, the embodiment of the utility model can effectively prevent the leakage and waste of the liquid medicine and has the advantages of simple structure and convenient use.

Description

Duodenum syringe

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a duodenal syringe.

Background

The stomach and jejunum are so called as to correspond to the length of the parallel arrangement of the twelve transverse fingers, the total length is about 25cm, and the duodenum is the part of the small intestine with the shortest length, the largest tube diameter, the deepest position and the most fixed position.

At present, when adding medicine treatment to the duodenum, insert a hose to patient's oral cavity usually for inside one end of hose extends to the duodenum, then inside being located the external one end of patient with the liquid medicine and pouring into the hose into from the hose, make the liquid medicine flow through whole hose again by its one end output that is located the duodenum inside, treat to the duodenum, this kind of mode of adding medicine is comparatively traditional, has great liquid medicine extravagant phenomenon.

Disclosure of Invention

In view of the above-mentioned deficiencies of the prior art, an embodiment of the present invention provides a duodenal syringe.

In order to solve the technical problems, the utility model provides the following technical scheme:

a duodenal syringe comprises an air supply part, an air supply pipe, a medicine storage pipe and a liquid medicine baffle part,

one end of the gas supply pipe is connected with the gas supply part, the other end of the gas supply pipe is connected with the medicine storage pipe,

the air supply part can inject air into the medicine storage tube through the air supply tube,

the liquid medicine separating and blocking part comprises a first sealing element and a second sealing element,

the first sealing element and the second sealing element are movably arranged in the medicine storage tube, a medicine liquid storage area is formed between the first sealing element and the second sealing element,

the side wall of the medicine storage tube is provided with a plurality of medicine outlet holes.

As a further improvement of the utility model: the first sealing element is connected with the second sealing element through an elastic resetting element, and the medicine storage tube is detachably connected with the air supply tube.

As a further improvement of the utility model: the elastic reset piece is a spring or an elastic plastic piece.

As a further improvement of the utility model: the first sealing element and the second sealing element are of block structures or spherical structures.

As a still further improvement of the utility model: and a pull ring is further arranged on one side, away from the second sealing element, of the first sealing element.

As a still further improvement of the utility model: the air supply part comprises an air storage cylinder, a piston movably arranged in the air storage cylinder and a pressing rod fixedly arranged on one side of the piston, and one end of the air storage cylinder is communicated with the air supply pipe through a connecting pipe.

As a still further improvement of the utility model: a plurality of go out the medicine hole and follow storage medicine pipe lateral wall is annular interval distribution, it is protruding that storage medicine pipe outer wall is provided with first arch and second, first arch is located go out medicine hole one side, the second arch is located go out medicine hole opposite side.

As a still further improvement of the utility model: the first bulge and the second bulge are both in annular structures.

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

in the embodiment of the utility model, the liquid medicine is sealed by arranging the first sealing element and the second sealing element, so that the liquid medicine can be prevented from leaking when the medicine storage tube does not reach the interior of the duodenum, when the medicine storage tube enters the interior of the duodenum, the second sealing element can cross the position of the medicine outlet hole, so that the liquid medicine storage area is communicated with the medicine outlet hole, and the liquid medicine can be pressed out from the medicine outlet hole along with the continuous movement of the first sealing element, so that the medicine adding treatment of the duodenum is realized.

Drawings

FIG. 1 is a schematic diagram of a duodenal syringe;

FIG. 2 is a schematic view of the structure of a drug storage tube in a duodenal syringe;

FIG. 3 is an enlarged view of area A of FIG. 1;

in the figure: 1-an air supply part, 11-a pressing handle, 12-an air cylinder, 13-a piston, 14-a connecting pipe, 2-an air supply pipe, 3-a medicine storage pipe, 31-a first bulge, 32-a second bulge, 33-a medicine outlet hole, 4-a medicine liquid baffle part, 41-a pull ring, 42-a first sealing element, 43-an elastic resetting element, 44-a medicine liquid storage area and 45-a second sealing element.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, 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 function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Referring to fig. 1, 2 and 3, the present embodiment provides a duodenal syringe, including an air supply part 1, an air supply pipe 2, a drug storage tube 3 and a drug solution blocking part 4, one end of the air supply pipe 2 is connected to the air supply part 1, the other end is connected to the drug storage tube 3, the air supply part 1 can inject air into the drug storage tube 3 through the air supply pipe 2, the drug solution blocking part 4 includes a first sealing element 42 and a second sealing element 45, the first sealing element 42 and the second sealing element 45 are both movably disposed inside the drug storage tube 3, a drug solution storage area 44 is formed between the first sealing element 42 and the second sealing element 45, and a plurality of drug discharge holes 33 are formed in a side wall of the drug storage tube 3.

When in use, the air supply pipe 2 and the medicine storage pipe 3 are inserted into the body from the mouth of a patient, after the medicine storage pipe 3 passes through the stomach of the patient and enters the duodenum, air is injected into the air supply pipe 2 through the air supply part 1, the air enters the medicine storage pipe 3 from the air supply pipe 2 to push the first sealing element 42 and the second sealing element 45 to move along the medicine storage pipe 3 in the direction far away from the air supply pipe 2 until the second sealing element 45 moves to one end of the medicine storage pipe 3, the second sealing element 45 passes over the position of the medicine outlet hole 33 at the moment, the first sealing element 42 continues to move along with the continuous injection of the air, the medicine liquid in the medicine liquid storage area 44 can be extruded from the medicine outlet hole 33 at the moment, so that the medicine liquid acts on the inner wall of the duodenum to carry out medicine adding treatment on the duodenum, and when the medicine storage pipe 3 does not reach the duodenum, the medicine outlet hole 33 and the medicine liquid storage area 44 are in a dislocation state (as shown in figure 2), thereby preventing the leakage of the liquid medicine and ensuring that the liquid medicine can smoothly act on the inner wall of the duodenum so as to realize the accurate treatment of the duodenum.

Referring to fig. 2, in one embodiment, the first sealing member 42 is connected to the second sealing member 45 by an elastic restoring member 43, and the drug storage tube 3 is detachably connected to the air supply tube 2.

After the duodenum adds the medicine and finishes, can extract air supply pipe 2 and medicine storage tube 3 from human inside, dismantle medicine storage tube 3 and air supply pipe 2, this moment because second sealing member 45 butt is in the inside one end of keeping away from air supply pipe 2 of medicine storage tube 3, elasticity resets and 43 can order about first sealing member 42 and move to keeping away from second sealing member 45 direction along medicine storage tube 3 inside, thereby guarantee that first sealing member 42 removes to medicine storage tube 3 port position, thereby can take out first sealing member 42 to medicine storage tube 3 inside, can take out medicine storage tube 3 inside with second sealing member 45 together under the effect that elasticity resets 43, thereby to medicine storage tube 3 inner chambers, first sealing member 42 and second sealing member 45 wash the disinfection, so that use next time.

In the above embodiments, the elastic restoring member 43 may be a spring, or may be an elastic plastic sheet, which is not limited herein; first sealing member 42 with second sealing member 45 can be massive structure, also can be spherical structure, only need guarantee first sealing member 42 and second sealing member 45 can laminate the inner wall of storage medicine pipe 3 comprehensively can to seal its liquid medicine between the two, prevent the leakage of liquid medicine.

Referring to fig. 3, in one embodiment, a pull ring 41 is further disposed on a side of the first sealing member 42 away from the second sealing member 45, and the pull ring 41 is disposed to facilitate pulling the first sealing member 42 out of the medicine storage tube 3.

In one embodiment, the gas supply tube 2 and the drug storage tube 3 may be in a plug fit or a threaded fit, which is not limited herein.

Referring to fig. 1, in an embodiment, the gas supply portion 1 includes a gas cylinder 12, a piston 13 movably disposed inside the gas cylinder 12, and a pressure rod 11 fixedly disposed at one side of the piston 13, and one end of the gas cylinder 12 is communicated with the gas supply pipe 2 through a connection pipe 14.

When the air supply pipe 2 drives the medicine storage pipe 3 to move to the interior of the duodenum, the pressing rod 11 can be pressed, the pressing rod 11 drives the piston 13 to move towards the air supply pipe 2 along the interior of the air storage cylinder 12, the piston 13 can press and convey air in the interior of the air storage cylinder 12 to the interior of the air supply pipe 2, and then the air supply pipe 12 presses and conveys the air in the interior of the medicine storage pipe 3, so that the first sealing element 42 and the second sealing element 45 are pushed to move along the interior of the medicine storage pipe 3, liquid medicine in the liquid medicine storage area 44 is transferred to the position of the medicine outlet hole 33, and then the liquid medicine is pressed out from the medicine outlet hole 33 through the continuous movement of the first sealing element 42, so that the liquid medicine acts on the inner wall of the duodenum, and the medicine adding treatment of the inner wall of the duodenum is realized.

Referring to fig. 2 and 3, in an embodiment, the plurality of drug outlet holes 33 are annularly spaced along the side wall of the drug storage tube 3, the outer wall of the drug storage tube 3 is provided with a first protrusion 31 and a second protrusion 32, the first protrusion 31 is located on one side of the drug outlet hole 33, and the second protrusion 32 is located on the other side of the drug outlet hole 33.

Through the setting of first arch 31 and second arch 32, can form the uplift structure at a medicine hole 33 exit end to guarantee to form certain space between a medicine hole 33 and the duodenum inner wall, so that the liquid medicine can be smooth to a medicine hole 33 output, and then improve the injection effect of liquid medicine.

Referring to fig. 2, in one embodiment, the first protrusion 31 and the second protrusion 32 are both ring-shaped structures.

In the embodiment of the utility model, the first sealing element 42 and the second sealing element 45 are arranged to seal the liquid medicine, so that the liquid medicine can be prevented from leaking when the medicine storage tube 3 does not reach the interior of the duodenum, when the medicine storage tube 3 enters the interior of the duodenum, the second sealing element 45 can cross the position of the medicine outlet hole 33, so that the liquid medicine storage area 44 is communicated with the medicine outlet hole 33, and the liquid medicine can be pressed out from the medicine outlet hole 33 along with the continuous movement of the first sealing element 42, so that the medicine adding treatment of the duodenum is realized.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A duodenum injector is characterized by comprising an air supply part, an air supply pipe, a medicine storage pipe and a liquid medicine baffle part,

2. The duodenal syringe of claim 1, wherein the first sealing element and the second sealing element are connected by an elastic restoring element, and the drug storage tube is detachably connected with the air supply tube.

3. The duodenal syringe of claim 2, wherein the elastic return member is a spring or an elastic plastic sheet.

4. The duodenal syringe of claim 1, wherein the first seal and the second seal are block structures or ball structures.

5. A duodenal syringe according to any one of claims 1 to 4, wherein the side of the first seal remote from the second seal is further provided with a pull ring.

6. The duodenal syringe as claimed in claim 1, wherein the gas supply part comprises a gas cylinder, a piston movably arranged in the gas cylinder and a pressure lever fixedly arranged on one side of the piston, and one end of the gas cylinder is communicated with the gas supply pipe through a connecting pipe.

7. The duodenal syringe of claim 1, wherein the drug outlet holes are annularly spaced along the side wall of the drug storage tube, the outer wall of the drug storage tube is provided with a first protrusion and a second protrusion, the first protrusion is located on one side of the drug outlet hole, and the second protrusion is located on the other side of the drug outlet hole.

8. The duodenal syringe of claim 7, wherein the first protrusion and the second protrusion are both ring-shaped structures.