Stem cell preparation preservation and transport device

Abstract

The utility model discloses a stem cell preparation storage and conveying device relates to conveying device technical field. The stem cell preparation storage and conveying device, including liquid nitrogen jar, place in the inside of liquid nitrogen jar for supporting the storage rack of stem cell preparation pipe and be used for supporting the conveying car of liquid nitrogen jar. The device is through setting nest in conveying car, and the bottom of the liquid nitrogen jar that has placed stem cell preparation pipe inside is stably supported to nest combination damper and shock absorber spring, and the upper position of the liquid nitrogen jar that exceeds conveying car is stably supported to the side of transport car and sets up take -up roll, cable and volute spring etc. part, and the one end of cable combines the clamp and fixed screw rod, can be positioned and connected between liquid nitrogen jar, so that from the two positions of up and down, the liquid nitrogen jar of different height is stably placed in conveying car, avoids the condition that stem cell preparation pipe in liquid nitrogen jar appears rupture because of violent shaking.

Description

Technical Field

[0001] This utility model relates to the field of transport device technology, specifically a stem cell preparation preservation and transport device. Background Technology

[0002] The common method for preserving stem cells is to prepare them into liquid or injectable formulations. When transportation is required, test tubes containing the formulations are typically placed in liquid nitrogen or cryogenic chambers for preservation and transport. This ensures that the stem cells are in a dormant state at low temperatures during preservation and transport, with their metabolic activity almost completely halted, thus preventing damage to the cells due to the consumption of their own energy or the production of harmful substances.

[0003] Liquid nitrogen tanks are primarily moved by transport vehicles equipped with automatic locking wheels. These vehicles are secured with clamps and other fixing devices. However, for liquid nitrogen tanks taller than the transport vehicle, the upper part of the tank lacks the support of these clamps, leading to instability in the vertical distribution of the tank. When the transport vehicle moves on uneven ground, the unsupported parts of the tank experience significant shaking, resulting in poor stability. This, in turn, causes the stem cell preparation tubes inside the tank to easily break due to shaking, contaminating the cell preparation and affecting its subsequent use. To address these shortcomings, we propose a stem cell preparation preservation and transport device to solve these problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a stem cell preparation preservation and transportation device, which solves the problem that for liquid nitrogen tanks at the height of high transport vehicles, the upper part of the liquid nitrogen tank cannot be fixed and supported by clamps or other fixing devices, resulting in unstable forces on the upper and lower parts of the liquid nitrogen tank. When the transport vehicle moves on uneven ground, the part of the liquid nitrogen tank not supported by clamps or other fixing devices experiences greater shaking force, leading to poor stability of the liquid nitrogen tank on the transport vehicle.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a stem cell preparation preservation and transportation device, comprising a liquid nitrogen tank, a storage rack placed inside the liquid nitrogen tank for supporting stem cell preparation tubes, and a transportation vehicle for supporting the liquid nitrogen tank. The surface of the transportation vehicle is provided with an auxiliary mechanism, which includes:

[0006] Nested, which is set inside the transport vehicle and is used to receive liquid nitrogen tanks, the bottom surface of the nest is fixedly connected to a base plate that is limited by the transport vehicle;

[0007] A damper is installed between the base plate and the inner bottom surface of the transport vehicle, and a shock-absorbing spring is sleeved on the outer wall of the damper;

[0008] A positioning assembly is disposed on the side of the transport vehicle. The positioning assembly includes a fixed box fixedly disposed on the side of the transport vehicle, a take-up and release roller rotatably disposed inside the fixed box, a steel cable wound around the outside of the take-up and release roller to constrain the position of the liquid nitrogen tank, and a connecting screw that is fixedly connected to one end of the take-up and release roller extending to the fixed box. The outer wall of the connecting screw is threaded with bolts.

[0009] Preferably, a handle is fixedly connected to the upper end of the outer wall of the liquid nitrogen tank, and a connecting component for connecting the steel cable and the handle is provided at the end of the steel cable away from the take-up and release roller.

[0010] Preferably, the connecting assembly includes a clamp fixedly disposed at one end of the steel cable and a fixing screw rotatably disposed on one side of the clamp for positioning connection between the clamp and the handle.

[0011] Preferably, the outer wall of the handle has a fixing hole for fixing the positioning and insertion of the screw.

[0012] Preferably, a reset assembly is provided at the end of the take-up and release roller away from the connecting screw. The reset assembly includes a connecting cylinder fixedly disposed on one side of the fixing box and a coil spring disposed inside the connecting cylinder and sleeved on the outer wall of the end of the take-up and release roller extending into the inner part of the connecting cylinder.

[0013] Preferably, the top surface of the fixed box has an opening for steel cable discharge, and the inner wall of the opening is rotatably connected to two sets of guide rollers for guiding the movement of the steel cable.

[0014] Preferably, a fixing block is fixedly connected to the outer wall of the end of the steel cable near the clamp, and a locking block for engaging with the fixing box is fixedly connected to the bottom surface of the fixing block.

[0015] Preferably, a fixing ring is fixedly connected to the top surface of the fixing box near the opening, and the top surface of the fixing ring has a slot for locking the locking block.

[0016] This utility model discloses a stem cell preparation preservation and transportation device, which has the following beneficial effects: The stem cell preparation preservation and transportation device, by setting up a nest inside the transportation vehicle, and the nesting combined with a damper and shock-absorbing spring, provides stable support for the bottom of the liquid nitrogen tank containing the stem cell preparation tubes. The side of the transportation vehicle is equipped with components such as take-up and release rollers, steel cables and coil springs to provide stable support for the liquid nitrogen tank above the upper part of the transportation vehicle. Moreover, one end of the steel cable is combined with a clamp and a fixing screw, which can be positioned and connected to the liquid nitrogen tank. This allows liquid nitrogen tanks of different heights to be stably placed in the transportation vehicle from the top and bottom, avoiding the possibility of the stem cell preparation tubes inside the liquid nitrogen tank breaking due to violent shaking. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the transport vehicle and nested structure of this utility model;

[0020] Figure 3 This is an exploded view of the liquid nitrogen tank and storage rack structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the positioning component structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the connection structure of the take-up and release rollers and the reset assembly of this utility model;

[0023] Figure 6 This is a schematic diagram of the connecting component structure of this utility model;

[0024] Figure 7 This utility model Figure 4 Enlarged view of the structure at point A in the middle.

[0025] In the diagram: 1. Liquid nitrogen tank; 11. Handle; 12. Fixing hole; 2. Storage rack; 3. Transport vehicle; 4. Auxiliary mechanism; 41. Nesting; 42. Base plate; 43. Damper; 44. Shock-absorbing spring; 45. Positioning assembly; 451. Fixing box; 452. Take-up and release roller; 453. Steel cable; 454. Connecting screw; 46. Connecting assembly; 461. Clamp; 462. Fixing screw; 47. Reset assembly; 471. Connecting cylinder; 472. Coil spring; 48. Opening; 49. Guide roller; 5. Fixing block; 51. Locking block; 52. Fixing ring; 53. Slot. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] This application provides a stem cell preparation preservation and transportation device that solves the problem that for liquid nitrogen tanks at the height of a transport vehicle, the upper part of the liquid nitrogen tank cannot be fixedly supported by clamps or other fixing devices, resulting in unstable forces on the upper and lower parts of the liquid nitrogen tank. When the transport vehicle moves on uneven ground, the part of the liquid nitrogen tank not supported by clamps or other fixing devices experiences greater shaking force, leading to poor stability of the liquid nitrogen tank on the transport vehicle. This device achieves stability during the preservation and transportation of stem cell preparations.

[0028] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0029] This utility model discloses a stem cell preparation preservation and transportation device.

[0030] According to the appendix Figure 1-7 As shown, it includes a liquid nitrogen tank 1, a storage rack 2 placed inside the liquid nitrogen tank 1 to support the stem cell preparation tubes, and a transport vehicle 3 to support the liquid nitrogen tank 1. The liquid nitrogen tank 1 is filled with gaseous liquid nitrogen, and the boiling point of liquid nitrogen is -196℃. The low temperature environment inside the liquid nitrogen tank 1 can keep the stem cells in a dormant state, and their metabolic activities are almost stopped, thereby avoiding damage to the cells due to the consumption of their own energy or the production of harmful substances, and maximizing their biological activity and function.

[0031] See attached document Figure 2-6 The transport vehicle 3 is equipped with an auxiliary mechanism 4. The auxiliary mechanism 4 reduces the shaking of the liquid nitrogen tank 1 containing stem cell reagent tubes when the liquid nitrogen tank 1 is transported by the transport vehicle 3, thereby protecting the stem cell reagent tubes. The auxiliary mechanism 4 includes a nest 41, which is set inside the transport vehicle 3 and is used to support the liquid nitrogen tank 1. The bottom end of the liquid nitrogen tank 1 is inserted into the nest 41. The nest 41 is made of anti-slip material to increase the stability of the connection between them. The bottom surface of the nest 41 is fixedly connected to a base plate 42 that is limited and connected to the transport vehicle 3. A damper 43 is set between the base plate 42 and the inner bottom surface of the transport vehicle 3. A shock-absorbing spring 44 is sleeved on the outer wall of the damper 43. The damper 43 and the shock-absorbing spring 44 weaken the vibration force on the liquid nitrogen tank 1.

[0032] See attached document Figure 4-5The positioning component 45 is disposed on the side of the transport vehicle 3. By means of the positioning component 45, the liquid nitrogen tank 1 and the transport vehicle 3 can be positioned and locked from the upper part of the outer wall of the liquid nitrogen tank 1. The positioning component 45 includes a fixing box 451 fixedly disposed on the side of the transport vehicle 3, a take-up roller 452 rotatably disposed inside the fixing box 451, a steel cable 453 wrapped around the outside of the take-up roller 452 to constrain the position of the liquid nitrogen tank 1, and a connecting screw fixedly connected to one end of the take-up roller 452 extending to the fixing box 451. 454, the outer wall of the connecting screw 454 is threaded with a bolt so that the take-up roller 452 and the fixed box 451 are locked through the threaded connection between the connecting screw 454 and the bolt. By rotating the connecting screw 454, the take-up roller 452 is driven to rotate, thereby driving the steel cable 453 to perform the wire feeding or take-up operation. The top surface of the fixed box 451 is provided with an opening 48 for the steel cable 453 to be discharged. The inner wall of the opening 48 is rotatably connected with two sets of guide rollers 49 for guiding the movement of the steel cable 453.

[0033] See attached document Figure 3-6 A handle 11 is fixedly connected to the upper end of the outer wall of the liquid nitrogen tank 1. A connecting assembly 46 for connecting the steel cable 453 and the handle 11 is provided at the end of the steel cable 453 away from the take-up roller 452. The connecting assembly 46 includes a clamp 461 fixedly installed at one end of the steel cable 453 and a fixing screw 462 rotatably installed on one side of the clamp 461 for positioning the clamp 461 and the handle 11. A fixing hole 12 is provided on the outer wall of the handle 11 for positioning and inserting the fixing screw 462. The clamp 461 consists of two arc-shaped rings and a screw. One end of the steel cable 453 has a branch, and the two branches are respectively fixedly connected to a set of arc-shaped rings. This allows for the combination of the clamp 461 and the steel cable 453. A set of arc-shaped rings has a fixing screw 462 rotatably connected to the outer wall, and another set of arc-shaped rings has a threaded groove on the inner wall for the fixing screw 462 to be threaded into. When the clamp 461 is fitted onto the outer wall of the handle 11, one end of the fixing screw 462 is first inserted into the fixing hole 12 on the outer wall of the handle 11 to position one arc-shaped ring and the handle 11. Then, another arc-shaped ring is combined with one arc-shaped ring by a screw, and the fixing screw 462 is rotated so that one end of the fixing screw 462 is threaded into the threaded groove on the inner wall of the other arc-shaped ring.

[0034] See attached document Figure 5A reset assembly 47 is provided at the end of the take-up roller 452 away from the connecting screw 454. The reset assembly 47 includes a connecting cylinder 471 fixedly disposed on one side of the fixed box 451 and a coil spring 472 disposed inside the connecting cylinder 471 and sleeved on the outer wall of the take-up roller 452 extending to the inner end of the connecting cylinder 471. The two ends of the coil spring 472 are fixedly connected to the inner wall of the connecting cylinder 471 respectively. When the clamp 461 at one end of the steel cable 453 is separated from the handle 11, the steel cable 453 is not restricted by external force, so that under the action of the coil spring 472, the steel cable 453 can be automatically wound to the outer wall of the take-up roller 452.

[0035] See attached document Figure 6-7 A fixing block 5 is fixedly connected to the outer wall of the end of the steel cable 453 near the clamp 461. A locking block 51 for engaging the fixing block 5 with the fixing box 451 is fixedly connected to the bottom surface of the fixing block 5. A fixing ring 52 is fixedly connected to the top surface of the fixing box 451 near the opening 48. A locking groove 53 for engaging the locking block 51 is provided on the top surface of the fixing ring 52, so that the end of the steel cable 453 with the clamp 461 can be engaged with the fixing box 451. The fixing block 5 can also block the opening 48, reducing the accumulation of impurities inside the fixing box 451.

[0036] Specifically, the liquid nitrogen tank 1 containing stem cell reagent tubes is placed inside the nest 41 set inside the transport vehicle 3 by insertion. At this time, under the gravity of the liquid nitrogen tank 1, the damper 43 and shock-absorbing spring 44 located at the bottom of the nest 41 are subjected to a certain pressure. Then, through the action of external force, the fixing block 5 is pulled out from the fixing ring 52 on the top surface of the fixing box 451, so that the end of the steel cable 453 with the clamp 461 can be taken out. Then, the clamp 461 is fixedly connected to the handle 11 on the outside of the liquid nitrogen tank 1 through the connecting component 46. At this time, the steel cable 453 is stretched to a certain length, and the take-up and release roller 452 used to support the steel cable 453 applies pressure to the coil spring 472 set at one end. Then, the connecting screw 454 and the fixing box 451 are locked by bolts, thereby fixing the pull-out length of the steel cable 453, so that the taut steel cable 453 locks the position between the liquid nitrogen tank 1 and the transport vehicle 3.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A stem cell preparation preservation and transportation device, comprising a liquid nitrogen tank (1), a storage rack (2) placed inside the liquid nitrogen tank (1) for supporting stem cell preparation tubes, and a transport vehicle (3) for supporting the liquid nitrogen tank (1), characterized in that, The surface of the transport vehicle (3) is provided with an auxiliary mechanism (4), the auxiliary mechanism (4) including: Nest (41), which is set inside the transport vehicle (3) and is used to receive the liquid nitrogen tank (1), and the bottom surface of the nest (41) is fixedly connected to the bottom plate (42) which is limited to the transport vehicle (3); A damper (43) is provided between the base plate (42) and the inner bottom surface of the transport vehicle (3), and a shock-absorbing spring (44) is sleeved on the outer wall of the damper (43); A positioning assembly (45) is disposed on the side of the transport vehicle (3). The positioning assembly (45) includes a fixed box (451) fixedly disposed on the side of the transport vehicle (3), a take-up roller (452) rotatably disposed inside the fixed box (451), a steel cable (453) wrapped around the outside of the take-up roller (452) to constrain the position of the liquid nitrogen tank (1), and a connecting screw (454) fixedly connected to one end of the take-up roller (452) extending to the fixed box (451). The outer wall of the connecting screw (454) is threaded with bolts.

2. The stem cell preparation preservation and transportation device according to claim 1, characterized in that: A handle (11) is fixedly connected to the upper end of the outer wall of the liquid nitrogen tank (1), and a connecting component (46) for connecting the steel cable (453) and the handle (11) is provided at the end of the steel cable (453) away from the take-up roller (452).

3. The stem cell preparation preservation and transportation device according to claim 2, characterized in that: The connecting assembly (46) includes a clamp (461) fixedly disposed at one end of the steel cable (453) and a fixing screw (462) rotatably disposed on one side of the clamp (461) for positioning connection between the clamp (461) and the handle (11).

4. The stem cell preparation preservation and transportation device according to claim 3, characterized in that: The outer wall of the handle (11) is provided with a fixing hole (12) for fixing the screw (462) for positioning and insertion.

5. The stem cell preparation preservation and transportation device according to claim 1, characterized in that: The take-up roller (452) is provided with a reset assembly (47) at the end away from the connecting screw (454). The reset assembly (47) includes a connecting cylinder (471) fixedly disposed on one side of the fixed box (451) and a coil spring (472) disposed inside the connecting cylinder (471) and sleeved on the take-up roller (452) extending to the outer wall of one end of the connecting cylinder (471).

6. The stem cell preparation preservation and transportation device according to claim 1, characterized in that: The top surface of the fixed box (451) is provided with an opening (48) for the discharge of the steel cable (453), and the inner wall of the opening (48) is rotatably connected with two sets of guide rollers (49) for guiding the movement of the steel cable (453).

7. The stem cell preparation preservation and transportation device according to claim 6, characterized in that: A fixing block (5) is fixedly connected to the outer wall of one end of the steel cable (453) near the clamp (461), and a locking block (51) for locking between the fixing block (5) and the fixing box (451) is fixedly connected to the bottom surface of the fixing block (5).

8. The stem cell preparation preservation and transportation device according to claim 7, characterized in that: A fixing ring (52) is fixedly connected to the top surface of the fixing box (451) near the opening (48), and the top surface of the fixing ring (52) is provided with a slot (53) for the locking block (51) to engage.

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