CN110693624A

CN110693624A - Animal experiment catheterization device

Info

Publication number: CN110693624A
Application number: CN201911075027.6A
Authority: CN
Inventors: 李长雷; 马宝苗
Original assignee: Jianghan University
Current assignee: Jianghan University
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-01-17

Abstract

The invention relates to an animal experiment urethral catheterization device which comprises a base, a lifting mechanism, a workbench, a collecting bottle, a drainage tube, a plug and a flow limiting mechanism, wherein the lifting mechanism and the collecting bottle are arranged on the base, the lifting mechanism comprises a threaded sleeve, a screw rod and a disc, the threaded sleeve is vertically fixed on the base, the screw rod penetrates through the disc, one end of the screw rod is movably connected with the workbench through a bearing, the other end of the screw rod extends into the threaded sleeve and is in threaded connection with the inner wall of the threaded sleeve, the drainage tube penetrates through the workbench, one end of the drainage tube is connected with the plug, the other end of the drainage tube is connected with the collecting bottle, and the flow. According to the invention, the screw rod is screwed to lift in the threaded sleeve, so that the height of the workbench can be adjusted, and the drainage tube is extruded and limited by the flow limiting mechanism, so that the flow of urine can be limited.

Description

Animal experiment catheterization device

Technical Field

The invention belongs to the technical field of experimental equipment, and particularly relates to an animal experiment catheterization device.

Background

The animal experiment catheterization device is a device which is convenient to quantify urine and judge auxiliary physicochemical properties in the process of animal urinary tract system experiments, after animal anesthesia, a ureter cannula of the existing animal urine generation experimental instrument exposes bilateral ureters from a medial operation incision in the lower abdominal wall, two tips of the ureter cannula are respectively inserted into bilateral catheters for catheterization, and the existing animal urine generation experimental catheterization device has some defects, such as that a bracket cannot be adjusted, animal experiment catheterization is inconvenient to carry out, and the catheterization amount cannot be controlled in the catheterization process.

Disclosure of Invention

The invention aims to provide an animal experiment catheterization device aiming at the current situation.

The technical scheme adopted by the invention is as follows: an animal experiment catheterization device, comprising: base, elevating system, workstation, receiving flask, drainage tube, plug and current limiting mechanism, elevating system the receiving flask sets up on the base, elevating system includes threaded sleeve, lead screw and disc, the threaded sleeve is vertical to be fixed on the base, the lead screw is worn to locate the disc, lead screw one end pass through the bearing with workstation swing joint, the lead screw other end stretch into in the threaded sleeve and with threaded sleeve's inner wall threaded connection, the drainage tube is worn to locate the workstation, just drainage tube one end with plug connection, the other end with the receiving flask is connected, current limiting mechanism cover is established on the drainage tube, and be used for adjusting the velocity of flow of liquid in the drainage tube.

The invention has the following effects: according to the animal experiment catheterization device, the screw rod is screwed to ascend and descend in the threaded sleeve, the height of the workbench can be adjusted, the animal experiment catheterization is convenient to operate and use, the drainage tube is squeezed and limited through the flow limiting mechanism, and accordingly the flow of urine can be limited.

Drawings

FIG. 1 is a schematic structural view of an animal experiment catheterization device provided by the invention;

FIG. 2 is an enlarged view of the structure shown at A in FIG. 1;

FIG. 3 is a cross-sectional view of the stopper structure of FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 1.

Detailed Description

The animal experiment catheterization device provided by the invention is described below with reference to the attached drawings:

referring to fig. 1, fig. 2, fig. 3 and fig. 4, the animal experiment catheterization device provided by the present invention includes: base 1, elevating system 2, workstation 3, receiving flask 4, drainage tube 5, plug 6 and current limiting mechanism 7, elevating system 2 the receiving flask 4 sets up on the base 1, workstation 3 with elevating system 2's movable end is fixed, elevating system 2 drives workstation 3 is relative base 1 goes up and down, drainage tube 5 wears to locate workstation 3, just drainage tube 5 one end with plug 6 is connected, the other end with the receiving flask 4 is connected, current limiting mechanism 7 cover is established on drainage tube 5, and is used for adjusting the velocity of flow of liquid in drainage tube 5.

Elevating system 2 includes threaded sleeve 21, lead screw 22 and disc 23, threaded sleeve 21 is vertical to be fixed on the base 1, lead screw 22 wears to locate disc 23, lead screw 22 one end pass through the bearing with 3 swing joint of workstation, the lead screw 22 other end stretches into in the threaded sleeve 21 and with the inner wall threaded connection of threaded sleeve 21.

The surface of the workbench 3 is provided with a plurality of binding belts 31.

The collection bottle 4 comprises a bottle body 41 and a bottle stopper 42, wherein an opening at the upper end of the bottle body 41 forms a connecting ring 411, and the bottle stopper 42 is connected with the connecting ring 411.

The bottle body 41 is a transparent bottle, so that a tester can observe urine conveniently, and scales are arranged on the outer surface of the bottle body 41.

Arc-shaped grooves 412 are formed in the two sides of the connecting ring 411, clamping rings 421 are movably hinged to the two sides of the bottle stopper 42, a mounting hole 422 is formed in the middle of the top end of the bottle stopper 42, a through hole 424 which is located below the mounting hole 423 and communicated with the mounting hole 423 is formed in the middle of the bottle stopper 42, and a piston 425 is connected to the inner thread of the mounting hole 423.

One end of the drainage tube 5 is fixed with the piston 425, and the drainage tube 5 is communicated with the inside of the bottle body 41.

The flow limiting mechanism 7 comprises a fixed block 71, a fixed rod 72, a first penetrating plate 73, a second penetrating plate 74, a U-shaped connecting block 75, an extrusion rod 76, an extrusion plate 77 and a knob 78, wherein one end of the fixed rod 72 is fixed with the workbench 3, the other end of the fixed rod is fixed with the fixed block 71, the first penetrating plate 73 and the second penetrating plate 74 are arranged in parallel, one end of the first penetrating plate 73 and one end of the second penetrating plate 74 are fixed with the fixed block 71, the other end of the first penetrating plate 73 and the other end of the second penetrating plate 74 are fixed with the U-shaped connecting block 75, a penetrating area is formed among the fixed block 71, the first penetrating plate 73, the second penetrating plate 74 and the U-shaped connecting block 75, the extrusion rod 76 is movably arranged in the U-shaped connecting block 75, one end of the extrusion rod 76 in the penetrating area is fixed with the extrusion plate 77, one end of the extrusion rod 76, which is located outside the penetrating area, is fixed with the knob 78, and the drainage tube 5 is penetrated through the first penetrating plate 73 and the second penetrating plate 74; by rotating the knob 78, the squeezing plate 77 is brought into contact with the drain tube 5, thereby adjusting the flow rate of the drain tube 5.

In this embodiment, the number of the lifting mechanisms 2 is four, and four the lifting mechanisms 2 are arranged at four corners of the bottom plate 1 in a rectangular array, and the screw rod 22 is screwed to stretch and retract inside the threaded sleeve 21, so that the height of the workbench 3 can be adjusted, and the drainage tube 5 can be controlled conveniently.

In this embodiment, the snap ring 421 has an arc shape.

In this embodiment, the drainage tube 5 is a flexible tube, which has elasticity, and facilitates the stretching of the drainage tube 5, thereby facilitating the adjustment of the height of the worktable 3.

In this embodiment, a rubber pad 79 is attached to a surface of the squeezing plate 77 close to the drainage tube 5, so as to protect the drainage tube 5 and prevent the squeezing plate 77 from damaging the drainage tube 5.

When in use, an animal is fixed on the workbench 3 by the restraining belt 31, the bottle stopper 42 is inserted into the bottle body 41, the clamping ring 421 is clamped inside the arc-shaped groove 412, the bottle stopper 42 can be fixed, the screw rod 22 is rotated by the disc 23, so that the screw rod 22 rotates and goes up and down inside the threaded sleeve 21, the height of the workbench 3 can be adjusted, the animal experiment catheterization operation and use are facilitated, the inclination angle of the drainage tube 5 can be changed, the flow of urine is facilitated, the animal is catheterized by the plug 6, the collected amount can be conveniently observed by the scale marks in the catheterizing process, when the urine needs to be controlled, the squeezing plate 77 is in contact with the drainage tube 5 by screwing the knob 24, so as to adjust the flow rate of the drainage tube 5, after collection is complete, the plunger 425 is twisted off so that the urine within the bottle 3 can be verified.

According to the animal experiment catheterization device, the screw rod is screwed to ascend and descend in the threaded sleeve, the height of the workbench can be adjusted, the animal experiment catheterization is convenient to operate and use, the drainage tube is squeezed and limited through the flow limiting mechanism, and accordingly the flow of urine can be limited.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An animal experiment catheterization device, characterized in that includes: base, elevating system, workstation, receiving flask, drainage tube, plug and current limiting mechanism, elevating system the receiving flask sets up on the base, elevating system includes threaded sleeve, lead screw and disc, the threaded sleeve is vertical to be fixed on the base, the lead screw is worn to locate the disc, lead screw one end pass through the bearing with workstation swing joint, the lead screw other end stretch into in the threaded sleeve and with threaded sleeve's inner wall threaded connection, the drainage tube is worn to locate the workstation, just drainage tube one end with plug connection, the other end with the receiving flask is connected, current limiting mechanism cover is established on the drainage tube, and be used for adjusting the velocity of flow of liquid in the drainage tube.

2. The animal experiment catheterization device of claim 1, wherein the collection bottle comprises a bottle body and a bottle plug, the upper opening of the bottle body forms a connecting ring, the bottle plug is connected with the connecting ring, arc-shaped grooves are formed in two sides of the connecting ring, clamping rings are movably hinged to two sides of the bottle plug, a mounting hole is formed in the middle of the top end of the bottle plug, a through hole is formed in the middle of the bottle plug, the through hole is located below the mounting hole and communicated with the mounting hole, and a piston is connected to the mounting hole through threads.

3. The animal experiment catheterization device of claim 2, wherein the flow limiting mechanism comprises a fixed block, a fixed rod, a first through plate, a second through plate, a U-shaped connecting block, an extrusion rod, an extrusion plate and a knob, one end of the fixed rod is fixed with the workbench, the other end of the fixed rod is fixed with the fixed block, the first through plate and the second through plate are arranged in parallel, one end of the first through plate and one end of the second through plate are fixed with the fixed block, the other end of the first through plate and the other end of the second through plate are fixed with the U-shaped connecting block, a through area is formed among the fixed block, the first through plate, the second through plate and the U-shaped connecting block, the extrusion rod is movably arranged through the U-shaped connecting block, one end of the extrusion rod in the through area is fixed with the extrusion plate, the extrusion rod is located one end outside the penetrating area and fixed with the knob, and the drainage tube penetrates through the first penetrating plate and the second penetrating plate.

4. The animal experiment catheterization device of claim 3, wherein a plurality of restraining strips are disposed on the surface of the table.

5. The animal experiment catheterization device of claim 3, wherein the bottle body is a transparent bottle for facilitating the experimenter to observe the urine, and the outer surface of the bottle body is provided with scales.

6. The animal experiment catheterization device of claim 5, wherein a rubber pad is adhered to one surface of the extrusion plate close to the drainage tube.

7. The animal experiment catheterization device of claim 6, wherein the snap ring is arc-shaped, and the drainage tube is a flexible tube having elasticity, so as to facilitate the stretching of the drainage tube and the height adjustment of the worktable.