Small animal peripheral injection device capable of flexibly changing direction

Abstract

The utility model relates to the field of life science, in particular to a small animal periphery injection device capable of flexibly changing directions, which comprises a magnetic base, a metal hose, a metal fixing accessory and a micro-injection pump, one end of the metal hose is connected with the top of the magnetic base, and the other end of the metal hose is connected with the micro-injection pump through the metal fixing accessory. The metal fixing accessory comprises a tiger clamp, the tiger clamp is provided with a screw rod, and the size of an opening of a clamping part can be adjusted according to needs. The position angle can be rapidly adjusted, so that the effect of stable and continuous injection at different angles is achieved, and the experiment operation time is saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of life science, and particularly relates to a small animal peripheral injection device capable of changing direction flexibly. BACKGROUND

[0002] The small animal peripheral injector of the related art mostly uses a micro-injection pump plus a drawn glass electrode, and the glass electrode is mounted on the micro-injection pump to control the injection speed and injection volume. When brain area injection is performed, the clamping part of the injection pump can be fixed on a brain stereotactic instrument. In the field of life science, the micro-injection experiment mostly uses the injection pump in combination with the stereotactic instrument, and such a combination has the following disadvantages when applied to peripheral injection: 1. The stereotactic instrument combined with the injection pump is too large in size, occupies a large area of the experimental table, and is inconvenient to use in combination with a dissection microscope; 2. The part of the stereotactic instrument that fixes the micro-injection pump cannot move, which limits the direction and angle of rotation of the micro-injection pump, and further limits the flexibility and operability of the peripheral injection experiment; 3. Most of the peripheral injection experiments do not need to use the stereotactic instrument, and the stereotactic instrument only serves to fix the micro-injection pump and has no other functions; and 4. The experimental operation time is greatly increased. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the shortcomings of the related art, the present application provides a small animal peripheral injection device capable of changing direction flexibly, which comprises a magnetic base, a metal hose, a metal fixing fitting and a micro-injection pump, one end of the metal hose is connected to the top of the magnetic base, and the other end is connected to the micro-injection pump through the metal fixing fitting.

[0004] Further, the metal fixing fitting comprises a tiger clamp, and the tiger clamp is provided with a screw rod, and the opening size of the clamping part can be adjusted as needed.

[0005] Further, the micro-injection pump comprises a control console, a thin tube and an injection arm, one end of the thin tube is fixedly connected to the control console, and the other end is fixedly connected to the injection arm, the injection arm is provided with a connecting part, and the tiger clamp is fixedly connected to the metal hose and the connecting part.

[0006] Further, the magnetic base is provided with a magnetic switch.

[0007] Further, the top of the magnetic base is provided with a limiting groove, and the end of the metal hose connected to the magnetic base is provided with a limiting piece, and the limiting piece is detachably connected to the limiting groove in cooperation.

[0008] Further, the limiting piece and the metal hose are hinged, and the metal hose can be rotated and adjusted in angle around the hinged part.

[0009] Further, the limiting groove comprises a T-shaped groove, and the limiting piece comprises an intermediate part and a T-shaped protrusion, the intermediate part and the T-shaped protrusion are integrally formed, the T-shaped protrusion cooperates with the T-shaped groove, and the intermediate part is hinged to the metal hose.

[0010] Further, the connecting component comprises a fixed base and an upward column, the fixed base is fixedly arranged on the side wall of the injection arm.

[0011] Further, the metal hose is arranged as a universal pipe or a flexible positioning pipe.

[0012] The present application comprises at least one of the following beneficial technical effects:

[0013] 1. The small animal peripheral injection device capable of changing direction flexibly, uses a metal hose capable of changing shape and direction flexibly to fix an injection arm of a micro-injection pump, the metal hose is made of a material which is sufficient to support the injection arm and can keep stable after adjusting the position and direction, compared with a traditional physical positioning instrument, the position angle can be adjusted more quickly to achieve injection at different angles, stably and continuously, and the experimental operation time is saved.

[0014] 2. The magnetic base is small in volume but high in stability, can firmly fix the injection arm on an experimental operation table, and is small in floor area, facilitating operation with other experimental instruments such as a stereomicroscope. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application.

[0016] Figure 2 is a schematic diagram of the connection structure of the magnetic base and the metal hose of the embodiment of the present application.

[0017] Figure 3 is an exploded schematic diagram of the hinge part structure of the embodiment of the present application.

[0018] Figure 4 is a schematic diagram of the enlarged structure of the tiger clamp of the embodiment of the present application.

[0019] The reference signs are explained as follows: 1, magnetic base; 2, metal hose; 3, tiger clamp; 4, micro-injection pump; 5, fine tube; 6, injection arm; 7, control console; 8, magnetic switch; 9, connecting component; 10, handle; 11, adjusting component; 12, clamping part; 13, T-shaped protrusion; 14, T-shaped groove; 15, hinge part; 16, intermediate component; 17, rotating part; 18, L-shaped base; 19, bolt part; 20, clamping part; 21, fixed part; 22, rotating cap; 23, rotating rod. DETAILED DESCRIPTION

[0020] The following will be explained in detail in combination with the accompanying drawings. Figures 1-4 The present application will be further explained in detail.

[0021] Embodiment 1:

[0022] Reference is made to Figure 1A small animal peripheral injection device capable of changing direction flexibly comprises a magnetic base 1, a metal hose 2, a metal fixing accessory and a micro-injection pump 4, one end of the metal hose 2 is connected to the top of the magnetic base 1, and the other end is connected to the micro-injection pump 4 through the metal fixing accessory.

[0023] The metal hose 2 can adopt a metal hose 2 with a diameter of 13 cm and a length of 40 cm, the material of the metal hose 2 is sufficient to support the injection arm 6 of the micro-injection pump 4 and can remain stable after adjusting the position and direction, compared with the traditional physical positioning instrument, the position angle can be adjusted more quickly, the metal hose 2 is usually provided as a universal pipe or a flexible positioning pipe. The metal hose 2 is fixedly connected to the magnetic base 1, the end of the metal hose 2 connected to the top of the magnetic base 1 can be provided with a screw, the top of the magnetic base 1 is provided with a nut, and the screw of the metal hose 2 is fixedly connected to the nut of the magnetic base 1 after cooperation. The end of the metal hose 2 connected to the metal fixing accessory can also be provided with a clamping column for being fixed by the metal fixing accessory.

[0024] Reference Figure 4 In the embodiment of the application, the metal fixing accessory is provided with a tiger clamp 3, the tiger clamp 3 comprises a handle 10, an adjusting part 11 and a clamping part 12, one end of the adjusting part 11 is connected to the handle 10, and the other end is connected to the clamping part 12, and the opening size of the clamping part 12 changes according to the adjusting part 11. In the embodiment of the application, the adjusting part 11 is provided with a screw rod, the screw rod is adjusted by rotating the handle 10, and the opening size of the clamping part 12 is adjusted as required.

[0025] The micro-injection pump 4 comprises a control console 7, a thin tube 5 and an injection arm 6, one end of the thin tube 5 is fixedly connected to the control console 7, and the other end is fixedly connected to the injection arm 6, the injection arm 6 is provided with a connecting part 9, and the tiger clamp 3 is fixedly connected to the metal hose 2 and the connecting part 9. In the embodiment of the application, the connecting part 9 comprises a fixed base and an upward column body, and the fixed base is fixedly arranged on the side wall of the injection arm 6. The clamping column of the metal hose 2 and the upward column body of the connecting part 9 of the injection arm 6 are clamped by the clamping part 12 of the tiger clamp 3.

[0026] The magnetic base 1 is provided with a magnetic switch 8 for controlling the opening and closing of the magnetic base 1. The magnetic base 1 is usually provided to be magnetically attracted to a metal test bench or a shockproof operation table. The magnetic base 1 has a small volume but high stability, can firmly fix the injection arm 6 on the experimental operation table, and has a small floor area, facilitating operation with other experimental instruments such as a stereoscopic microscope.

[0027] The working principle of the embodiment of the application is as follows:

[0028] The magnetic base 1 connected with the metal hose 2 is adsorbed on the metal experimental table, the injection arm 6 of the micro-injection pump 4 is fixed on the metal hose 2 by using the tiger clamp 3, the metal hose 2 is adjusted to a suitable injection position and angle, and then the micro-injection experiment operation can be started.

[0029] Embodiment 2

[0030] With reference to Figure 2 , the difference between this embodiment and embodiment 1 is that a limiting groove is arranged at the top of the magnetic base 1, and a limiting piece is arranged at one end of the metal hose 2 connected with the magnetic base 1, the limiting piece is detachably connected with the limiting groove in cooperation, the limiting piece is used for limiting the metal hose 2 on the magnetic base 1 and connecting the magnetic base 1, and the limiting piece and the metal hose 2 are hinged, the metal hose 2 can be adjusted in angle by rotating around the hinged part 15, and through the hinged arrangement, the metal hose 2 in this embodiment can be adjusted in more angles relative to embodiment 1.

[0031] In this embodiment, the limiting groove is arranged as a T-shaped groove 14, the T-shaped groove 14 can be arranged on any side wall of the magnetic base 1, the groove direction of the T-shaped groove 14 is arranged as extending from the side wall to a position in the middle of the magnetic base 1, and the T-shaped groove 14 is not through the whole top of the magnetic base 1. The limiting piece comprises an intermediate part 16 and a T-shaped protrusion 13, the intermediate part 16 and the T-shaped protrusion 13 are integrally formed, the T-shaped protrusion 13 cooperates with the T-shaped groove 14, and the intermediate part 16 is hinged with the metal hose 2. With reference to Figure 3 , the hinged part 15 comprises a rotating part 17, an L-shaped base 18, a bolt part 19, a clamping part 20 and a fixing part 21, the rotating part 17 comprises a rotating cap 22 and a rotating rod 23, the side wall of the L-shaped base 18, the bolt part 19, the clamping part 20 and the fixing part 21 are respectively provided with positioning through holes for penetrating through the rotating rod 23, the L-shaped base 18 is fixedly connected with the intermediate part 16 at the bottom, the bolt part 19 is fixedly connected with the metal hose 2 at the top, the clamping part 20 has a certain elastic adjustment function, the fixing part 21 is used for finally fixing the rotating rod 23, the rotating cap 22 is loosened or clamped to the hinged part 15, and the angle of the metal hose 2 is adjusted.

[0032] The T-shaped protrusion 13 slides into the T-shaped groove 14 from the side wall of the magnetic base 1, and stops at the groove bottom. Then the hinged cooperation of the intermediate part 16 and the metal hose 2 is adjusted, and the direction of the metal hose 2 is adjusted. Unlike the connection between the metal hose 2 and the magnetic base 1 in embodiment 1 which can only have one direction, for example, the metal hose 2 is vertically fixed on the magnetic base 1. The hinged arrangement can not only support the metal hose, but also keep stable after adjusting the position and direction of the metal hose, and the position angle can be better adjusted.

[0033] In summary, this application improves the connection method between the micro-injection pump 4 and the metal hose 2, enabling various types of injection pumps to be connected to the flexible metal hose 2, allowing for stable, continuous, and efficient micro-injection at different angles, thus meeting the needs of various micro-injection experiments.

[0034] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A flexible direction-changing small animal peripheral injection device, characterized in that, The device comprises a magnetic base (1), a metal hose (2), a metal fixing accessory and a micro-injection pump (4), the metal hose (2) is connected to the top of the magnetic base (1) at one end and connected to the micro-injection pump (4) through the metal fixing accessory at the other end.

2. The flexible redirection small animal peripheral injection device of claim 1, wherein, The metal fixing accessory comprises a tiger clamp (3) provided with a screw rod to adjust the opening size of the clamping part (12) as needed.

3. The flexible redirection small animal peripheral injection device of claim 2, wherein, The micro-injection pump (4) comprises a control console (7), a thin tube (5) and an injection arm (6), the thin tube (5) is fixedly connected to the control console (7) at one end and fixedly connected to the injection arm (6) at the other end, the injection arm (6) is provided with a connecting part (9), and the tiger clamp (3) is fixedly connected to the metal hose (2) and the connecting part (9).

4. The flexible redirection small animal peripheral injection device of claim 3, wherein, The magnetic base (1) is provided with a magnetic switch (8).

5. The flexible redirection small animal peripheral injection device of claim 4, wherein, The top of the magnetic base (1) is provided with a limiting groove, and the end of the metal hose (2) connected to the magnetic base (1) is provided with a limiting piece, which is detachably connected to the limiting groove in cooperation.

6. The flexible redirection small animal peripheral injection device of claim 5, wherein, The limiting piece and the metal hose (2) are hinged, and the metal hose (2) can rotate to adjust the angle around the hinged part (15).

7. The flexible redirection small animal peripheral injection device of claim 6, wherein, The limiting groove comprises a T-shaped groove (14), and the limiting piece comprises an intermediate part (16) and a T-shaped protrusion (13), which are integrally formed, the T-shaped protrusion (13) cooperates with the T-shaped groove (14), and the intermediate part (16) is hinged to the metal hose (2).

8. The flexible redirection small animal peripheral injection device of claim 7, wherein, The connecting part (9) comprises a fixed base and an upward column, and the fixed base is fixedly arranged on the side wall of the injection arm (6).

9. The flexible redirection small animal peripheral injection device of claim 8, wherein, The metal hose (2) is provided as a universal tube or a flexible positioning tube.

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