CN213156699U - Stomach filling device for mouse experiments - Google Patents

Abstract

The utility model relates to a stomach irrigator for mouse experiments, which comprises a needle cylinder, a push rod is connected in the inner cavity of the needle cylinder in a sliding way, the right end of the push rod is fixedly connected with a piston head, the right end of the needle cylinder is fixedly connected with a straight catheter, the right end of the straight catheter is fixedly connected with a drug delivery bent catheter, an extension tube is arranged on the right side of the top of the needle cylinder in a penetrating way, the top end of the extension tube is fixedly connected with a first needle head, the extension tube is connected with a medicine bottle through the first needle head, just during first needle stretches into the medicine bottle inner chamber, cylinder right-hand member through connection has out the pencil, need not change the cylinder and directly adds the medicine, and the practicality improves greatly, need not extract together with the stomach tube of needle tubing connection, can not cause wearing and tearing to mouse stomach wall, and the impact force that the liquid medicine caused to the stomach wall when can effectually having avoided direct injection, simultaneously can be more quick irritate the stomach to the stomach cavity.

Description

Stomach filling device for mouse experiments

Technical Field

The utility model relates to a gavage ware for mouse experiments belongs to experimental apparatus technical field.

Background

The oral gavage is one of the commonly used administration modes, the gavage is favorable for the basic medical research of a large amount of oral drugs, particularly, a plurality of Chinese medicinal herbs are mostly prepared into decoction, pills, powder, granules and the like, the scientific research of the Chinese medicinal herbs on experimental animal models is developed, the gavage is often the most common animal experiment administration mode, at present, an experimenter performs gavage on an experimental mouse, the stomach of the mouse is damaged by the impact force of the discharged liquid medicine, meanwhile, the medicine cannot be added in the midway of the experiment, the stomach tube connected with the needle tube needs to be pulled out together when the operation of replacing the needle tube is performed, the stomach wall of the experimental mouse is damaged, and the experimental effect is influenced, and therefore, the gavage for the mouse experiment is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides a mouse is irritated stomach ware for experiments, can effectively solve the problem in the background art.

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

the utility model provides a mouse is irritated stomach ware for experiments, includes the cylinder, sliding connection has the push rod in the cylinder inner chamber, push rod right-hand member fixedly connected with piston head, the straight pipe of cylinder right-hand member fixedly connected with curved pipe of dosing, cylinder top right side link up and is equipped with the extension pipe, extension pipe top end fixedly connected with first syringe needle, the extension pipe is connected with the medicine bottle through first syringe needle, just first syringe needle stretches into in the medicine bottle inner chamber, cylinder right-hand member through connection has out the pencil, go out pencil right-hand member fixedly connected with second syringe needle, the second syringe needle outside cup joints with the connecting pipe, straight pipe inner chamber right-hand member fixedly connected with rubber disc.

As a further description of the above scheme, the bottom end of the first needle penetrates through the bottom end of the extension tube and is flush with the inner wall of the needle cylinder, and the medicine bottle is communicated with the inner cavity of the needle cylinder through the first needle.

As further description of the above scheme, the connecting pipe is fixedly connected with the right end of the medicine outlet pipe, the second needle head extends out of the right end of the connecting pipe, and a sealing gasket is arranged on the outer wall of the connecting pipe.

As a further description of the above scheme, a sliding ring is movably connected to the outer wall of the straight conduit, and an engagement ring is fixedly connected to the outer wall of the sliding ring.

As a further description of above-mentioned scheme, curved pipe bottom fixedly connected with protection bulb doses, the equidistance is equipped with out the medicine hole on the curved pipe outer wall of dosing, go out the medicine hole all with the curved pipe through connection that doses, just it all is located the curved pipe bottom outside of dosing to go out the medicine hole.

The utility model discloses beneficial effect:

1. by arranging the first needle head and the medicine bottle, when new medicine needs to be added in an experiment, the medicine can be inserted into the inner cavity of the medicine bottle through the first needle head, liquid medicine in the medicine bottle can be directly added into the inner cavity of the needle cylinder, the medicine does not need to be added after the needle cylinder is replaced, and the practicability is greatly improved;

2. by arranging the rubber disc, when the needle tube needs to be replaced, the second needle head can be directly pulled out from the rubber disc for direct replacement, the stomach tube connected with the needle tube does not need to be pulled out together, and the stomach wall of the mouse cannot be abraded;

3. through setting up out the medicine hole, can be in the stomach that will administer the curved pipe leading-in mouse, the liquid medicine that injects into in the curved pipe inner chamber of dosing gets into the gastric cavity of mouse through a medicine hole reposition of redundant personnel, and the impact force that the liquid medicine caused to the stomach wall when can effectually having avoided direct injection, can be faster irritate the stomach to the gastric cavity simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a side view of the external structure of the utility model of the stomach irrigator for the mouse experiment.

Fig. 2 is a schematic view of the cross-sectional structure of the straight conduit of the gastric lavage device for mice experiments of the utility model.

Fig. 3 is a schematic view of the cross-sectional structure of the administration bent catheter of the gastric lavage device for mice experiments.

Reference numbers in the figures: 1. a needle cylinder; 2. a push rod; 3. a piston head; 4. a straight conduit; 5. a drug delivery elbow catheter; 6. an extension pipe; 7. a first needle; 8. a medicine bottle; 9. a medicine outlet pipe; 10. a second needle; 11. a connecting pipe; 12. a rubber disc; 13. a slip ring; 14. an occlusion ring; 15. protecting the ball head; 16. a medicine outlet.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a mouse is irritated stomach ware for experiments, includes cylinder 1, sliding connection has push rod 2 in the cylinder 1 inner chamber, push rod 2 right-hand member fixedly connected with piston head 3, cylinder 1 right-hand member fixedly connected with straight pipe 4, straight pipe 4 right-hand member fixedly connected with curved pipe 5 of dosing, cylinder 1 top right side link up is equipped with extension tube 6, extension tube 6 top fixedly connected with first needle 7, extension tube 6 bottom is run through to first needle 7 bottom, and with cylinder 1 inner wall parallel and level, medicine bottle 8 is through first needle 7 and cylinder 1 inner chamber through connection, extension tube 6 is connected with medicine bottle 8 through first needle 7, through setting up first needle 7 and medicine bottle 8, can be when needing to add new medicine when the experiment goes on, can insert medicine bottle 8 inner chambers through first needle 7, and the liquid medicine in the medicine bottle 8 can directly add to cylinder 1 inner chamber, the medicine is directly added without replacing the syringe 1, the practicability is greatly improved, the first needle 7 extends into the inner cavity of the medicine bottle 8, the right end of the syringe 1 is connected with the medicine outlet pipe 9 in a penetrating way, the right end of the medicine outlet pipe 9 is fixedly connected with the second needle 10, the outer side of the second needle 10 is sleeved and connected with the connecting pipe 11, the connecting pipe 11 is fixedly connected with the right end of the medicine outlet pipe 9, the second needle 10 extends out of the right end of the connecting pipe 11, the outer wall of the connecting pipe 11 is provided with a sealing gasket, the right end of the inner cavity of the straight conduit 4 is fixedly connected with the rubber disc 12, the syringe 1 can penetrate through the right side of the rubber disc 12 in the inner cavity of the straight conduit 4 through the second needle 10 by arranging the rubber disc 12, so that the syringe 1 injects medicine into the straight conduit 4 and the medicine feeding bent conduit 5, the syringe 1 and the straight conduit 4 are spliced and fixed, when the needle tube needs to be replaced, the stomach tube connected with the needle tube does not need to be pulled out together, and the stomach wall of the mouse cannot be abraded.

Specifically, as shown in fig. 3, a sliding ring 13 is movably connected to the outer wall of the straight catheter 4, an occlusion ring 14 is fixedly connected to the outer wall of the sliding ring 13, the sliding ring 13 and the occlusion ring 14 are arranged, after the administration bent catheter 5 is inserted into the gastric cavity of a mouse by holding the straight catheter 4, the sliding ring 13 is moved on the straight catheter 4, so that the sliding ring 13 is plugged into the mouth of the mouse, teeth of the mouse are occluded with the outer wall of the occlusion ring 14, the occlusion ring 14 can support the oral cavity of the mouse, and the stability of the administration bent catheter 5 during insertion is effectively improved.

Specifically, as shown in fig. 3, 5 bottom fixedly connected with protection bulbs 15 of curved pipe of dosing, it is equipped with out medicine hole 16 to dose on the curved pipe 5 outer wall equidistance, go out medicine hole 16 all with the curved pipe 5 through connection that doses, just go out medicine hole 16 and all be located the curved pipe 5 bottom outside of dosing, through setting up out medicine hole 16, can be in the stomach of the curved pipe 5 leading-in mouse of will dosing, protection bulbs 15 is behind the butt in stomach chamber bottom side, begins to irritate the stomach, and the liquid medicine that pours into in the curved pipe 5 inner chamber of dosing gets into the gastric cavity of mouse through going out 16 reposition of redundant personnel of medicine hole, and the impact force that the liquid medicine caused to the stomach wall when can effectually having avoided direct injection, can be more quick irritate the stomach to the gastric cavity simultaneously.

When the utility model is used, after the straight catheter 4 is held and the drug-feeding bent catheter 5 is inserted into the gastric cavity of a mouse, the sliding ring 13 is utilized to move the straight catheter 4, the sliding ring 13 is plugged into the mouth of the mouse, the teeth of the mouse are occluded with the outer wall of the occlusion ring 14, the occlusion ring 14 can support the oral cavity of the mouse, the protective ball head 15 is abutted against the bottom side of the gastric cavity, the drug is injected into the gastric cavity of the mouse by the piston head 3 at one end of the push rod 2, the drug liquid injected into the inner cavity of the drug-feeding bent catheter 5 enters the gastric cavity of the mouse by shunting the drug outlet hole 16, the impact force of the drug liquid to the gastric wall during direct drug injection can be effectively avoided, when new drug needs to be added during an experiment, the inner cavity of the drug bottle 8 can be inserted into the inner cavity of the drug bottle 8 by the first needle head 7, the drug liquid in the drug bottle 8 can be directly added into the inner cavity of the needle cylinder 1, when the needle tube needs to be, the stomach tube connected with the needle tube does not need to be pulled out together.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims (5)

1. The utility model provides a mouse is lavage ware for experiments, includes cylinder (1), its characterized in that, sliding connection has push rod (2) in the cylinder (1) inner chamber, push rod (2) right-hand member fixedly connected with piston head (3), cylinder (1) right-hand member fixedly connected with straight pipe (4), straight pipe (4) right-hand member fixedly connected with curved pipe (5) of dosing, cylinder (1) top right side link up and is equipped with extension pipe (6), extension pipe (6) top fixedly connected with first syringe needle (7), extension pipe (6) are connected with medicine bottle (8) through first syringe needle (7), and in first syringe needle (7) stretched into medicine bottle (8) inner chamber, cylinder (1) right-hand member link up has out medicine pipe (9), it has second syringe needle (10) to go out medicine pipe (9) right-hand member fixedly connected with, connecting pipe (11) have been cup jointed in the second syringe needle (10) outside, the right end of the inner cavity of the straight catheter (4) is fixedly connected with a rubber disc (12).

2. The gastric perfusion device for the mouse experiment according to claim 1, wherein: the bottom end of the first needle head (7) penetrates through the bottom end of the extension tube (6) and is parallel and level with the inner wall of the needle cylinder (1), and the medicine bottle (8) is in through connection with the inner cavity of the needle cylinder (1) through the first needle head (7).

3. The gastric perfusion device for the mouse experiment according to claim 1, wherein: the connecting pipe (11) is fixedly connected with the right end of the medicine outlet pipe (9), the second needle head (10) extends out of the right end of the connecting pipe (11), and a sealing washer is arranged on the outer wall of the connecting pipe (11).

4. The gastric perfusion device for the mouse experiment according to claim 1, wherein: the outer wall of the straight conduit (4) is movably connected with a sliding ring (13), and the outer wall of the sliding ring (13) is fixedly connected with an occlusion ring (14).

5. The gastric perfusion device for the mouse experiment according to claim 1, wherein: dose curved pipe (5) bottom fixedly connected with protection bulb (15), the equidistance is equipped with out medicine hole (16) on curved pipe (5) outer wall of dosing, go out medicine hole (16) and all with curved pipe (5) through connection of dosing, just it all is located the curved pipe (5) bottom outside of dosing to go out medicine hole (16).

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