CN211049711U

CN211049711U - Mouse stomach irrigator

Info

Publication number: CN211049711U
Application number: CN201921896754.4U
Authority: CN
Inventors: 李斌; 陈新; 黄子午
Original assignee: Rat Noble Wuhan Biotechnology Co ltd
Current assignee: Rat Noble Wuhan Biotechnology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-21
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to an experimental device technical field just discloses a mouse stomach filling device, including the regulating box, the right side fixedly connected with injection tube of regulating box, the regulation chamber has been seted up to the inside of regulating box, the inner wall of regulating box is the symmetry and sets up and adjust the spout of chamber intercommunication, the intracavity left wall fixedly connected with servo motor in regulation chamber, servo motor's output fixedly connected with lead screw. This mouse gavage ware, through setting up the camera, when the syringe needle is inserted in the gavage, can judge the position that the syringe needle located through the image that the camera spreads, accurate quick syringe needle with the syringe needle inserts the stomach, avoid the misplug to cause the mouse damage, influence the accuracy of experiment, through setting up servo motor and lead screw, when dosing, servo motor drives the lead screw, thereby the lead screw promotes the distance that the slider can accurate control promotes the piston, guarantee the dose precision of dosing, guarantee the rigidness of experiment, avoid dosing excessively to cause the mouse to die simultaneously.

Description

Mouse stomach irrigator

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a mouse stomach irrigator.

Background

The gavage is a common administration mode in pharmacological toxicology experiments, animals are fixed in the experiments, a stomach irrigator is used, liquid medicine is directly injected into the stomachs of the animals from the mouths of the animals, and the maximum administration volume of the gavage for different animals is 0.4ml/10 g.W of mice, 2ml/100 g.W of rats, 2ml/100 g.W of guinea pigs and 80-150 ml/rabbit.

At present, in the gavage administration process of a mouse, the traditional gavage device is mostly used, the traditional gavage device is small in flexibility, the esophageal aperture of the mouse is small, the final inserting depth of a needle head of the mouse gavage device is difficult to determine, the needle head completely depends on experience and hand feeling, the operation difficulty in a laboratory is high, and the accuracy of the administration dosage cannot be guaranteed, so that the mouse gavage device is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a mouse gavage ware, possess can insert the stomach with the syringe needle accuracy and can guarantee advantages such as the accuracy of the dose of dosing, solved traditional gavage ware gavage and fully rely on experience and the problem of the higher and unable accuracy of guaranteeing the dose of dosing of the operation degree of difficulty of feeling.

(II) technical scheme

For the above-mentioned purpose that can insert the stomach with the syringe needle accuracy and can guarantee the accuracy of the dose of dosing of realizing, the utility model provides a following technical scheme: a mouse stomach filling device comprises an adjusting box, wherein an injection tube is fixedly connected to the right side of the adjusting box, an adjusting cavity is formed in the adjusting box, sliding grooves communicated with the adjusting cavity are symmetrically formed in the inner wall of the adjusting box, a servo motor is fixedly connected to the left wall in the cavity of the adjusting cavity, a lead screw is fixedly connected to the output end of the servo motor, a sliding block is connected to the outer portion of the lead screw in a threaded manner, clamping keys positioned in the sliding grooves are fixedly connected to the upper end and the lower end of the sliding block, two connecting rods penetrating through the adjusting box and extending into the injection tube are fixedly connected to the right end of the sliding block, the right ends of the two connecting rods are fixedly connected with a piston positioned in the injection tube, an injection needle is inserted into the right end of the injection tube, two connecting blocks are fixedly connected to the inner wall of the needle head of the injection needle, and the opposite, the left end fixedly connected with of camera is located the inside signal line of syringe needle, the one end that the camera was kept away from to the signal line runs through the inner wall of syringe needle and extends to the outside, the inner wall fixedly connected with of syringe needle is located the spacing collar of signal line left side.

Preferably, the output end of the servo motor is fixedly connected with a coupler, the output end of the servo motor is fixedly connected with the left end of the screw rod through the coupler, and the right end face of the screw rod and the right end face of the sliding groove are located on the same vertical face.

Preferably, the inside of the sliding block is provided with a threaded hole matched with the external thread of the screw rod, and the sliding block is in threaded connection with the screw rod through the threaded hole.

Preferably, the shape of card key is cylindrical, the width of spout and the diameter looks adaptation of card key, the shape of spacing collar is trapezoidal.

Preferably, the sliding groove, the clamping key and the connecting rod are vertically and symmetrically distributed above and below the screw rod, the piston is made of rubber, and the diameter of the piston is matched with the inner diameter of the injection cylinder.

Preferably, the needle head part of the injection needle is oval, the length of the needle tube of the injection needle is greater than that of the needle head, a through hole matched with the outer diameter of the signal wire is formed in the outer portion of the tail part of the injection needle, and a sealant is coated at the joint of the signal wire and the through hole.

(III) advantageous effects

Compared with the prior art, the utility model provides a mouse gavage ware possesses following beneficial effect:

this mouse gavage ware, through setting up the camera, when the syringe needle is inserted in the gavage, can judge the position that the syringe needle located through the image that the camera spreads, accurate quick syringe needle with the syringe needle inserts the stomach, avoid the misplug to cause the mouse damage, influence the accuracy of experiment, through setting up servo motor and lead screw, when dosing, servo motor drives the lead screw, thereby the lead screw promotes the distance that the slider can accurate control promotes the piston, guarantee the dose precision of dosing, guarantee the rigidness of experiment, avoid dosing excessively to cause the mouse to die simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1 regulating box, 2 injection cylinders, 3 regulating cavities, 4 sliding chutes, 5 servo motors, 6 lead screws, 7 sliding blocks, 8 clamping keys, 9 connecting rods, 10 pistons, 11 injection needles, 12 connecting blocks, 13 cameras, 14 signal lines and 15 spacing rings.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, a mouse stomach filling device, including a regulating box 1, a syringe 2 is fixedly connected to the right side of the regulating box 1, a regulating chamber 3 is provided inside the regulating box 1, a chute 4 communicated with the regulating chamber 3 is symmetrically provided on the inner wall of the regulating box 1, a servo motor 5 is fixedly connected to the left wall inside the cavity of the regulating chamber 3, the model of the servo motor 5 can be 1F L6024-2 AF21-1AH1, a lead screw 6 is fixedly connected to the output end of the servo motor 5, a coupler is fixedly connected to the output end of the servo motor 5, the output end of the servo motor 5 is fixedly connected to the left end of the lead screw 6 through the coupler, the right end face of the lead screw 6 and the right end face of the chute 4 are in the same vertical plane, a slider 7 is connected to the external thread of the lead screw 6, a threaded hole matched with the external thread of the lead screw 6 is provided inside the slider 7, the slider 7 is connected to the lead screw 6 through the threaded hole, the slider 7 is connected to the lead screw, the slider 7 and the slider 7 is connected to the camera needle, the camera head is connected to the syringe, the camera head is connected to the camera head, the.

To sum up, this mouse gavage ware, through setting up camera 13, when the gavage inserted the syringe needle, can judge the position that the syringe needle was located through the image that camera 13 spreads, accurate quick syringe needle with syringe needle 11 inserts the stomach, avoid misplug to cause the mouse damage, influence the accuracy of experiment, through setting up servo motor 5 and lead screw 6, during the dosing, servo motor 5 drives lead screw 6, thereby lead screw 6 promotes the distance that piston 10 was promoted in control that the slider 7 can be accurate, guarantee the dose precision of dosing, guarantee the rigidness of experiment, avoid excessively causing the mouse to die of dosing simultaneously, the problem of traditional gavage ware gavage fully rely on experience and the higher and unable precision of guaranteeing the dose of dosing of the operation degree of difficulty is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mouse gavage ware, includes regulating box (1), its characterized in that: the right side of the adjusting box (1) is fixedly connected with an injection tube (2), an adjusting cavity (3) is formed in the adjusting box (1), sliding chutes (4) communicated with the adjusting cavity (3) are symmetrically formed in the inner wall of the adjusting box (1), a servo motor (5) is fixedly connected with the left wall in the cavity of the adjusting cavity (3), a lead screw (6) is fixedly connected with the output end of the servo motor (5), a sliding block (7) is connected with the outer thread of the lead screw (6), the upper end and the lower end of the sliding block (7) are fixedly connected with clamping keys (8) positioned in the sliding chutes (4), the right end of the sliding block (7) is fixedly connected with two connecting rods (9) which penetrate through the adjusting box (1) and extend to the inside of the injection tube (2), and the right ends of the two connecting rods (9) are fixedly connected with pistons (10) positioned in the injection tube (2), the right-hand member of injection cylinder (2) is pegged graft and is had syringe needle (11), the inner wall fixedly connected with quantity at syringe needle (11) needle position is connecting block (12) two, two the looks remote site of connecting block (12) all with camera (13) fixed connection, the left end fixedly connected with of camera (13) is located signal line (14) of syringe needle (11) inside, the one end that camera (13) were kept away from in signal line (14) runs through the inner wall of syringe needle (11) and extends to the outside, the inner wall fixedly connected with of syringe needle (11) is located spacing collar (15) on signal line (14) left side.

2. The mouse gavage apparatus of claim 1, wherein: the output end of the servo motor (5) is fixedly connected with a coupler, the output end of the servo motor (5) is fixedly connected with the left end of the lead screw (6) through the coupler, and the right end face of the lead screw (6) and the right end face of the sliding groove (4) are located on the same vertical face.

3. The mouse gavage apparatus of claim 1, wherein: the screw rod (6) is characterized in that a threaded hole matched with the external thread of the screw rod (6) is formed in the slide block (7), and the slide block (7) is in threaded connection with the screw rod (6) through the threaded hole.

4. The mouse gavage apparatus of claim 1, wherein: the shape of card key (8) is cylindrical, the width of spout (4) and the diameter looks adaptation of card key (8), the shape of spacing collar (15) is trapezoidal.

5. The mouse gavage apparatus of claim 1, wherein: the sliding groove (4), the clamping key (8) and the connecting rod (9) are symmetrically distributed above and below the screw rod (6) from top to bottom, the piston (10) is made of rubber, and the diameter of the piston (10) is matched with the inner diameter of the injection cylinder (2).

6. The mouse gavage apparatus of claim 1, wherein: the syringe needle part of syringe needle (11) is oval, the length of syringe needle (11) needle is greater than the length of syringe needle, the through-hole with signal line (14) external diameter looks adaptation is seted up to the outside of syringe needle (11) afterbody, and signal line (14) scribble sealed glue with the junction of through-hole.