Cell culture bag fluid infusion device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a cell culture bag fluid infusion device, which comprises an injector mounting rack, one end of the telescopic rod is fixedly connected with the top of the side wall of the injector mounting frame, and a universal ball head is arranged at the end, not connected with the injector mounting frame, of the telescopic rod; the rotor is used for placing a container to be supplemented with liquid, a ball head connecting piece is arranged on the outer wall of the rotor, and the ball head connecting piece is matched with the spherical surface of the universal ball head. According to the cell culture bag liquid supplementing device, the rotor and the telescopic rod are in spherical fit connection through the universal ball head and the ball head connecting piece, the rotor bears the weight of a container to be supplemented with liquid, a worker only needs to control the inclination angle of the rotor to gradually pour a culture solution, the handheld burden of the worker is reduced, and the working efficiency is improved. And the problem that the liquid to be supplemented spills out due to hand shaking is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a cell culture bag liquid supplementing device. BACKGROUND

[0002] Cell culture bag is favored by the majority of cell culture experiment personnel because of its culture system, especially in the medium scale production process is widely used. Because of its characteristics, the culture process needs to add culture solution continuously, and the cell liquid supplementing frame plays a crucial role in this process.

[0003] But in the actual operation process, because the liquid supplementing volume is big, and is limited by the syringe volume, the operator needs to hold the container containing the liquid to be supplemented for a long time, which brings great burden to the operator, and the hand shaking easily causes the liquid to be supplemented to spill out, thereby having the risk of pollution. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a cell culture bag liquid supplementing device, which comprises:

[0005] A syringe mounting frame;

[0006] A telescopic rod, one end of the telescopic rod is fixedly connected with the top of the side wall of the syringe mounting frame, and the end of the telescopic rod, which is not connected with the syringe mounting frame, is provided with a universal ball head;

[0007] A rotor for placing a liquid supplementing container, the outer wall of the rotor is provided with a ball head connecting piece, and the ball head connecting piece is in spherical surface cooperation with the universal ball head.

[0008] Further, the syringe mounting frame comprises a base, a stand column which is vertically connected with the base, and a syringe mounting plate which is fixedly connected with the upper end surface of the stand column;

[0009] The center of the syringe mounting plate is provided with a syringe fixing hole, and the side wall of the stand column, which is away from the syringe fixing hole, is fixedly connected with the telescopic rod.

[0010] Further, the telescopic rod comprises a first telescopic rod which is fixedly connected with the syringe mounting frame and a second telescopic rod which is telescopically arranged in the inner cavity of the first telescopic rod;

[0011] The top and bottom of the outer wall of the first telescopic rod are symmetrically provided with first penetrating holes; the inner wall of the first telescopic rod is vertically provided with a first boss; and the outer wall of the second telescopic rod is provided with a first groove at a position corresponding to the first boss.

[0012] Further, a limiting frame is arranged on the second telescopic rod inner wall corresponding to the position of the first penetrating hole close to the injector mounting rack, and a guide column is arranged on the limiting frame center towards the first telescopic rod outer wall direction.

[0013] A floating table is arranged on the limiting frame inner cavity close to the first telescopic rod inner wall side, and a second boss is arranged on the floating table center contacting the first telescopic rod inner wall side.

[0014] Further, a hollow groove is arranged in the floating table inner cavity, and the hollow groove is through the limiting frame inner cavity.

[0015] A spring is arranged on the guide column periphery, and the spring two ends are respectively extruded on the hollow groove inner wall and the limiting frame inner wall.

[0016] Further, the ball head connector comprises a connecting block connected with the rotor fixed part and a nut connected with the connecting block outer wall screw thread, and a ball head accommodating groove is arranged between the connecting block inner cavity and the nut inner cavity.

[0017] Compared with the prior art, the cell culture bag liquid supplementing device has the beneficial effects that:

[0018] 1. The rotor of the cell culture bag liquid supplementing device is connected with the injector mounting rack through the telescopic rod, so that the telescopic rod can be lengthened when the container containing the liquid to be supplemented is installed or replaced, the safe distance between the rotor and the injector is ensured, and the work above the open mouth of the injector is avoided.

[0019] 2. The rotor of the cell culture bag liquid supplementing device is connected with the telescopic rod through the universal ball head and the ball head connector spherical surface, the rotor bears the weight of the container containing the liquid to be supplemented, and the staff only needs to control the inclination angle of the rotor to gradually complete the pouring of the culture solution, so that the hand holding burden of the staff is reduced, and the problem of spilling of the liquid to be supplemented caused by hand shaking is avoided. DETAILED DESCRIPTION

[0020] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0021] Fig. 1 It is a structure schematic view of the cell culture bag liquid supplementing device.

[0022] Fig. 2 It is a structure schematic view of the second telescopic rod inner wall of the cell culture bag liquid supplementing device.

[0023] Reference signs

[0024] 1: syringe mounting frame;

[0025] 11: base; 12: column; 13: syringe mounting plate; 14: syringe fixing hole;

[0026] 2: telescopic rod;

[0027] 21: first telescopic rod; 22: second telescopic rod; 23: first penetrating hole;

[0028] 221: first groove; 222: limiting frame; 223: guide column; 224: floating table; 225: second boss; 226: second penetrating hole; 227: hollow groove; 228: spring;

[0029] 3: universal ball head;

[0030] 4: rotor;

[0031] 5: ball head connector. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further explained in detail in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0033] Please refer to Figs. 1-2 The technical scheme of the cell culture bag liquid supplementing device provided by the embodiment is as follows:

[0034] The syringe mounting frame 1;

[0035] The telescopic rod 2 is fixedly connected with the top of the side wall of the syringe mounting frame 1 at one end, and the other end of the telescopic rod 2 is provided with a universal ball head 3.

[0036] The rotor 4 is used for placing a liquid supplementing container, the outer wall of the rotor 4 is provided with a ball head connector 5, and the ball head connector 5 is in spherical surface cooperation with the universal ball head 3. In the design, the liquid supplementing container in the rotor 4 can be manually held to avoid falling out during operation, and in some embodiments, a limiting cover with a pouring opening can be arranged at the head of the rotor 4.

[0037] Specifically, the syringe mounting frame 1 comprises a base 11, a column 12 which is vertically connected with the base 11, and a syringe mounting plate 13 which is fixedly connected with the upper end surface of the column 12.

[0038] The center of the syringe mounting plate is provided with a syringe fixing hole 14, and the side wall of the column 12 away from the syringe fixing hole 14 is fixedly connected with the telescopic rod 2.

[0039] Specifically, the telescopic rod 2 comprises a first telescopic rod 21 fixedly connected with the injector mounting rack 1 and a second telescopic rod 22 telescopically arranged in the inner cavity of the first telescopic rod 21.

[0040] The outer wall of the first telescopic rod 21 is symmetrically provided with first penetrating holes 23 at the top and bottom, and the inner wall of the first telescopic rod 21 is vertically provided with a first boss; the outer wall of the second telescopic rod 22 is provided with a first groove 221 at a position corresponding to the first boss.

[0041] Specifically, the inner wall of the second telescopic rod 22 is provided with a limiting frame 222 at a position corresponding to the first penetrating hole 23 close to the injector mounting rack 1, and the limiting frame 222 is provided with a guide column 223 at the center thereof towards the outer wall of the first telescopic rod 21.

[0042] The inner cavity of the limiting frame 222 is provided with a floating table 224 close to one side of the inner wall of the first telescopic rod 21, and the floating table 224 is provided with a second boss 225 at the center of the side in contact with the inner wall of the first telescopic rod 21; the first telescopic rod 21 is provided with a second penetrating hole 226 at a position corresponding to the second boss 225.

[0043] In a specific implementation, in the extended state of the telescopic rod 2, the second boss 225 on the floating table 224 penetrates the second penetrating hole 226 and the first penetrating hole 23 (the one away from the injector mounting rack 1) under the restoring force of the spring 228 to achieve the stretching fixation of the first telescopic rod 21 and the second telescopic rod 22.

[0044] Similarly, in the compressed state of the telescopic rod 2, the second boss 225 on the floating table 224 penetrates the second penetrating hole 226 and the first penetrating hole 23 (the one close to the injector mounting rack 1) under the restoring force of the spring 228 to achieve the compression fixation of the first telescopic rod 21 and the second telescopic rod 22.

[0045] Press down the second boss 225 and pull up the second telescopic rod 22 outward, in the pulled-up state, the first groove 221 of the second telescopic rod 22 is in sliding limiting cooperation with the first boss of the first telescopic rod 21 to achieve stable stretching.

[0046] Specifically, the inner cavity of the floating table 224 is provided with a hollow groove 227, and the hollow groove 227 is in communication with the inner cavity of the limiting frame 222.

[0047] The outer periphery of the guide column 223 is provided with a spring 228, and the spring 228 is pressed against the inner wall of the hollow groove 227 and the inner wall of the limiting frame 222 at two ends thereof.

[0048] Preferably, in the extended state of the telescopic rod 2 or in the compressed state of the telescopic rod 2, the floating platform 224 away from the side of the outer wall of the second telescopic rod 22 and the limiting frame 222 away from the side of the outer wall of the second telescopic rod 22 have a compressible interval; the hollow groove 227 of the second boss 225 close to the side of the outer wall of the second telescopic rod 22 and the guide column 223 close to the side of the outer wall of the second telescopic rod 22 have a compressible interval.

[0049] Specifically, the ball joint 5 includes a connecting block fixedly connected with the rotor 4 and a nut threadedly connected with the outer wall of the connecting block, and a ball head accommodating groove is arranged between the inner cavity of the connecting block and the inner cavity of the nut.

[0050] Finally, it should be noted that: the above is only the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A cell culture bag rehydration device, comprising: The utility model relates to a kind of injection device, including: Syringe mounting rack; Telescopic rod, one end of the telescopic rod is fixedly connected with the top of the side wall of the syringe mounting rack, and the end of the telescopic rod not connected with the syringe mounting rack is provided with a universal ball head; Rotor for placing the container to be supplemented, the outer wall of the rotor is provided with a ball head connector, and the ball head connector is matched with the spherical surface of the universal ball head.

2. The cell culture bag replenishment apparatus of claim 1, wherein: The syringe mounting rack includes a base, a vertical column vertically connected with the base, and a syringe mounting plate fixedly connected with the upper end surface of the vertical column; The center of the syringe mounting plate is provided with a syringe fixing hole, and the side wall of the vertical column away from the syringe fixing hole is fixedly connected with the telescopic rod.

3. The cell culture bag replenishment apparatus of claim 1, wherein: The telescopic rod includes a first telescopic rod fixedly connected with the syringe mounting rack and a second telescopic rod telescopically arranged in the inner cavity of the first telescopic rod; The outer wall of the first telescopic rod is symmetrically provided with a first penetrating hole at the top and the bottom; the inner wall of the first telescopic rod is vertically provided with a first boss; and the outer wall of the second telescopic rod is provided with a first groove at a position corresponding to the first boss.

4. The cell culture bag replenishment apparatus of claim 3, wherein: The inner wall of the second telescopic rod is provided with a limiting frame at a position corresponding to the first penetrating hole close to the syringe mounting rack, and the limiting frame is provided with a guide column towards the outer wall of the first telescopic rod at the center thereof; The inner cavity of the limiting frame is provided with a floating platform close to the side of the first telescopic rod inner wall, and the floating platform is provided with a second boss at the center of the side in contact with the first telescopic rod inner wall; and the first telescopic rod is provided with a second penetrating hole at a position corresponding to the second boss.

5. The cell culture bag replenishment apparatus of claim 4, wherein: The inner cavity of the floating platform is provided with a hollow groove, and the hollow groove is through the inner cavity of the limiting frame; The guide column is provided with a spring around, and the two ends of the spring are respectively pressed against the inner wall of the hollow groove and the inner wall of the limiting frame.

6. The cell culture bag replenishment apparatus of claim 4, wherein: The ball head connector includes a connecting block fixedly connected with the rotor and a nut threadedly connected with the outer wall of the connecting block, and a ball head accommodating groove is arranged between the inner cavity of the connecting block and the inner cavity of the nut.

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