CN210250159U - Tree shrew thick drug intragastric device - Google Patents

Abstract

The utility model discloses a tree shrew glues thick medicine gavage device, include barrel, sliding plug, slide bar, press the syringe that piece, rubber layer, transfusion rod constitute, transfusion rod bottom bilateral symmetry is equipped with the mounting, the transfusion rod lower extreme is equipped with the connecting seat, the connecting seat upper end is equipped with the dead slot that holds the transfusion rod, the inside outage that is equipped with of connecting seat, the connecting seat lower extreme is equipped with the thread groove, thread groove inside meshing has the connecting block, the connecting block lower extreme is equipped with the stomach tube, stomach tube one end and connecting block joint, stomach tube lower extreme joint has the hose. Adopted and used the needle tubing for the infusion that is equipped with the hose on the top to the gavage of the thick medicine of toy, difficult damage animal has avoided the stomach filling needle trompil among the traditional art less simultaneously, and thick medicine is easy to be detained the defect that wherein stops up the needle tubing, has ensured the normal clear of gavage, the utility model discloses the preparation is simple and easy, low cost, easy operation.

Description

Tree shrew thick drug intragastric device

Technical Field

The utility model relates to an experimental animals apparatus technical field especially relates to a tree shrew glues thick medicine gavage device.

Background

The small-sized animal tree shrews are ideal novel experimental animals at present due to low price, short breeding period, convenient feeding and similar anatomical structures and physiological functions to human beings, and are widely used in medicine and biology. The application of animals usually uses different administration modes for animals according to different experimental purposes, dosage forms and administration amounts of the medicines, and the gavage is a very common administration route and is beneficial to the research of pharmacodynamics, pharmacology and toxicology of some oral medicines. The existing commercial gastric perfusion needle is a hollow needle, and the needle head is in a spherical shape. The stomach irrigation needle is made of a high-hardness material, is easy to hurt the oral cavity of an animal, has a small inner diameter, and is easy to block the needle tube when thick liquid is poured, so that the injury of the animal is caused, and the experiment difficulty is increased. In order to solve the above problems, a tree shrew thick drug intragastric device needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the material hardness of the intragastric irrigation needle is higher in the conventional technology, easily hurts the oral cavity of an animal, has smaller inner diameter, easily blocks up the needle tube when filling thick liquid, not only causes the injury of the animal but also increases the experiment difficulty, and the provided tree shrew thick drug intragastric irrigation device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a tree shrew thick medicine intragastric device, includes by barrel, sliding plug, slide bar, presses the syringe that piece, rubber layer, transfusion rod constitute, the inside sliding connection of barrel has sliding plug, sliding plug upper end fixedly connected with slide bar, the slide bar runs through the barrel and sliding connection with it, slide bar upper end fixedly connected with presses the piece, barrel lower extreme fixedly connected with transfusion rod, transfusion rod bottom bilateral symmetry is equipped with the mounting, the transfusion rod lower extreme is equipped with the connecting seat, the connecting seat upper end is equipped with the dead slot that holds transfusion rod, the inside outage that is equipped with of connecting seat, the connecting seat lower extreme is equipped with the thread groove, the inside meshing of thread groove has the connecting block, the connecting block lower extreme is equipped with the stomach tube, stomach tube one end and connecting block joint, stomach tube lower extreme joint has the hose.

Preferably, a rubber layer is arranged on the outer side of the sliding plug and is in sliding connection with the inner wall of the cylinder body.

Preferably, the gastric tube is a disposable needle tube for infusion, and is made of transparent materials.

Preferably, the fixed part comprises ejector pad, silica gel piece, threaded rod and runner, the ejector pad is established in the dead slot inside and with dead slot bottom sliding connection.

Preferably, one side of the push block, which is close to the infusion rod, is fixedly connected with a silica gel block, and the other side of the push block is fixedly connected with a threaded rod.

Preferably, the threaded rod penetrates through the connecting seat and is meshed with the connecting seat, and the other end of the threaded rod is fixedly connected with the rotating wheel.

Compared with the prior art, the utility model discloses possess following advantage:

1. adopted and used the needle tubing for the infusion that is equipped with the hose on the top to the gavage of the thick medicine of toy, the difficult damage animal, it is less to have avoided the trompil of gavage needle among the traditional art simultaneously, and the thick medicine is easily detained the defect of wherein plugging up the needle tubing, has ensured the normal clear of gavage, the utility model discloses the preparation is simple and easy, low cost, easy operation, and the effectual material hardness of having solved the gavage needle is higher, easily harms the animal oral cavity, and the internal diameter is less, easily blocks up the needle tubing when pouring thick liquid, has both caused the animal to damage and has also increased the experiment degree of difficulty.

2. Can connect the syringe of the not equidimension of capacity through the connecting seat upper end that is equipped with the mounting, the different stomach tubes of connecting block joint are passed through to the lower extreme, are convenient for change stomach tube and syringe, conveniently control the dose, and easy operation.

Drawings

FIG. 1 is a schematic structural view of a tree shrew viscous drug intragastric device provided by the present invention;

fig. 2 is a schematic view of the connection seat internal connection structure of the tree shrew thick drug gastric lavage device provided by the utility model.

In the figure: the device comprises a barrel body 1, a sliding plug 2, a sliding rod 3, a pressing block 4, a rubber layer 5, a transfusion rod 6, a connecting seat 7, an empty groove 8, a liquid discharge hole 9, a thread groove 10, a pushing block 11, a silica gel block 12, a threaded rod 13, a rotating wheel 14, a connecting block 15, a stomach tube 16 and a hose 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 2, a thick drug gastric perfusion device for tree shrews comprises an injector consisting of a cylinder body 1, a sliding plug 2, a sliding rod 3, a pressing block 4, a rubber layer 5 and a transfusion rod 6, wherein the inside of the cylinder body 1 is slidably connected with the sliding plug 2, the upper end of the sliding plug 2 is fixedly connected with the sliding rod 3, the sliding rod 3 penetrates through the cylinder body 1 and is slidably connected with the cylinder body, the upper end of the sliding rod 3 is fixedly connected with the pressing block 4, the lower end of the cylinder body 1 is fixedly connected with the transfusion rod 6, fixing parts are symmetrically arranged on two sides of the bottom end of the transfusion rod 6, the lower end of the transfusion rod 6 is provided with a connecting seat 7, the upper end of the connecting seat 7 is provided with a hollow groove 8 for accommodating the transfusion rod 6, the inside of the connecting seat 7 is provided with a liquid discharge hole 9, the lower end of the connecting seat 7 is provided with a threaded groove 10, so that the stomach tube 16 does not cause the discomfort of the tree shrew when extending into the stomach;

referring to fig. 1, a rubber layer 5 is arranged on the outer side of the sliding plug 2, the rubber layer 5 is in sliding connection with the inner wall of the cylinder 1, and the rubber layer 5 is used for increasing the tightness of the sliding plug 2;

referring to fig. 1, the gastric tube 16 is a disposable infusion needle tube, and the gastric tube 16 is made of transparent material;

referring to fig. 2, the fixing member is composed of a push block 11, a silica gel block 12, a threaded rod 13 and a rotating wheel 14, wherein the push block 11 is arranged inside the empty slot 8 and is in sliding connection with the bottom of the empty slot 8;

referring to fig. 2, one side of the push block 11 close to the infusion rod 6 is fixedly connected with a silica gel block 12, the silica gel block 12 not only plays a role in fixedly connecting the connecting seat 7 with the infusion rod 6, but also plays a role in preventing medicine leakage, and the other side of the push block 11 is fixedly connected with a threaded rod 13;

referring to fig. 2, the threaded rod 13 penetrates through and is engaged with the connecting base 7, threaded holes matched with the threaded rod 13 are formed in two sides of the connecting base 7, and the other end of the threaded rod 13 is fixedly connected with the rotating wheel 14.

Now, the operation principle of the present invention is described as follows:

the utility model discloses during the use, absorb thick medicine through the syringe by barrel 1, sliding plug 2, slide bar 3, according to piece 4 and constitute, the syringe is 2.5ml ordinary syringe, stomach tube 16 is 10cm long for the infusion needle tubing, and is hollow, and internal diameter 2.5mm, places infusion rod 6 of syringe in dead slot 8 in connecting seat 7, rotates runner 14 and makes threaded rod 13 rotate, makes and moves to infusion rod 6 side with threaded rod 13 fixed connection ejector pad 11, makes silica gel block 12 centre gripping fix infusion rod 6, thick medicine makes slide bar 3, sliding plug 2, move down in the syringe through pressing according piece 4, and medicine flows into stomach tube 16 through infusion rod 6, discharge opening 9 in the connecting seat 7 in the barrel 1, pours into the stomach through other end opening;

during gastric lavage, the volume of a 10cm gastric tube is measured, then according to the characteristic that the tree shrews are easy to be frightened, the tree shrews are blown by an ear washing ball, the mouths of the tree shrews are opened after being frightened, then the transparent gastric tube 16 is inserted into the oral cavity of the tree shrews and enters the esophagus for about 3cm, the tree shrews do not show obvious discomfort, and a syringe can be pushed to infuse medicines into the stomach; the transparent gastric tube 16 is then slowly withdrawn, ending the procedure.

In the present invention, unless otherwise expressly stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood in a broad sense, e.g. as welded connections, as bolted connections, or as integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A tree shrew thick drug gastric perfusion device comprises a syringe consisting of a barrel body (1), a sliding plug (2), a sliding rod (3), a pressing block (4), a rubber layer (5) and a transfusion rod (6), wherein the sliding plug (2) is connected inside the barrel body (1) in a sliding manner, the sliding plug (2) is fixedly connected with the upper end of the sliding plug (2), the sliding rod (3) penetrates through the barrel body (1) and is connected with the barrel body in a sliding manner, the upper end of the sliding rod (3) is fixedly connected with the pressing block (4), the lower end of the barrel body (1) is fixedly connected with the transfusion rod (6), the device is characterized in that fixing parts are symmetrically arranged on two sides of the bottom end of the transfusion rod (6), a connecting seat (7) is arranged at the lower end of the transfusion rod (6), a hollow groove (8) for accommodating the transfusion rod (6) is arranged at the upper end of the connecting seat (7), a liquid discharge hole (, thread groove (10) inside engagement has connecting block (15), connecting block (15) lower extreme is equipped with stomach tube (16), stomach tube (16) one end and connecting block (15) joint, stomach tube (16) lower extreme joint has hose (17).

2. The tree shrew viscous medicine intragastric device according to claim 1, wherein a rubber layer (5) is arranged on the outer side of the sliding plug (2), and the rubber layer (5) is in sliding connection with the inner wall of the barrel body (1).

3. The tree shrew viscous drug gastric lavage device according to claim 1, wherein the gastric tube (16) is a disposable infusion needle tube, and the gastric tube (16) is made of a transparent material.

4. The tree shrew viscous medicine intragastric device according to claim 1, wherein the fixing member consists of a push block (11), a silica gel block (12), a threaded rod (13) and a rotating wheel (14), and the push block (11) is arranged inside the empty slot (8) and is in sliding connection with the bottom of the empty slot (8).

5. The tree shrew viscous medicine intragastric device according to claim 4, wherein one side of the push block (11) close to the infusion rod (6) is fixedly connected with a silica gel block (12), and the other side of the push block (11) is fixedly connected with a threaded rod (13).

6. The tree shrew viscous medicine intragastric device according to claim 5, wherein the threaded rod (13) penetrates through and is meshed with the connecting seat (7), and the other end of the threaded rod (13) is fixedly connected with the rotating wheel (14).

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