Blood collection tube balancing device

By designing a leveling mechanism and a fixing mechanism, the uniform leveling of blood is achieved by using the principle of scale and extrusion rod, the problem of difficult liquid spilling and liquid volume in the existing blood collection device is solved, the risk of rupture of blood collection tubes is reduced, and the Safety and efficiency of blood collection.

CN222219660UActive Publication Date: 2024-12-24成都市青羊区疾病预防控制中心(成都市青羊区未成年人心理咨询分中心、成都市青羊区卫生监督所)
View PDF 0 Cites 2 Cited by

Patent Information

Application Number
CN202420183623.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-25
Publication Date
2024-12-24
Estimated Expiration
2034-01-25

AI Technical Summary

Technical Problem

When the existing blood collection devices balance the blood, there are problems such as fluid spilling, difficulty in controlling the amount of fluid, and rupture of the blood collection tube, resulting in the risk of biosafety accidents.

Method used

A blood collection tube trimmer is designed. Through the trimming mechanism and fixing mechanism, the balanced balance of blood and the stable clamping of blood collection tubes are achieved by using the scale principle and the extrusion rod to ensure the uniform distribution of blood in the blood collection tube.

Benefits of technology

It effectively avoids the problems of liquid spilling and uneven liquid volume, ensures uniform blood balance, reduces the risk of blood collection vessel rupture, and improves the safety and efficiency of blood collection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222219660U_ABST
    Figure CN222219660U_ABST
Patent Text Reader

Abstract

The utility model discloses a blood collection tube balancing device which comprises a bottom plate and further comprises a balancing mechanism and a fixing mechanism, the upper end of the bottom plate is connected with the balancing mechanism used for balancing blood, and the outer end of the balancing mechanism is connected with the fixing mechanism used for fixing a blood collection tube. The balancing mechanism comprises a vertical rod, a shaft seat, a leveling assembly, a limiting assembly and a placing assembly, the vertical rod is fixedly connected to the top surface of the bottom plate, the shaft seat is fixedly connected to the top end of the vertical rod, the leveling assembly comprises a ball shaft, a connecting block, a lantern ring and an extension rod, and the ball shaft is rotatably connected to the middle of the shaft seat; the upper end of the ball shaft is fixedly connected with a connecting block, and the surface of the connecting block is fixedly connected with a lantern ring. According to the blood collection tube balancing device provided by the utility model, the balancing mechanism is arranged, four blood collection tubes are respectively placed in the middle of the placing ring during blood balancing, and after blood is added into the blood collection tubes, the balancing of the blood can be realized through the principle of a balance.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of blood collection, in particular to a blood collection tube balancer. Background Art

[0002] Blood testing refers to the detection and analysis of various components in human blood to understand the internal health of the human body, diagnose diseases, monitor treatment effects, etc. Blood testing can detect a variety of indicators, such as blood routine, biochemical indicators, immunological indicators, coagulation indicators, blood type, etc. These indicators can reflect the function of human organs, metabolic level, immune status, infection status, etc.

[0003] For example, the Chinese utility model patent (CN213951185U) discloses a centrifugal balancing device for blood collection tubes with suction pressure, which records: "A piston is inserted into the open end of the device body, and the piston is connected to a pull rod. A counterweight is provided at the other end of the device body. A liquid inlet is also provided at the other end of the device body. The liquid inlet communicates with the inside and outside of the device body, and a detachable rubber plug is provided at the liquid inlet. The utility model adopts suction pressure liquid suction, which saves the time of traditional manual pouring, balancing, opening the cover, pouring, etc., and avoids repeated operations. When the sample volume is large, It saves a lot of balancing time" and also records: "Since the caliber and volume of the 5ml blood collection tube are too small, the balancing liquid is easily spilled when pouring it; when manually pouring the balancing liquid, the liquid height of the balancing tube and the blood sample tube needs to be taken into account, and the strength of manual pouring of the balancing liquid is difficult to control, and it is easy to have too much liquid in the balancing tube, resulting in repeated operations and serious time-consuming when the sample volume is large; when balancing by manual pouring, the amount of liquid poured is difficult to control, and there may be a large difference in quality between the balancing tube and the blood sample tube." Technical problems.

[0004] In summary, the device still has the following technical problems: when blood is tested, due to different test items, the collected blood needs to be divided into multiple portions and then centrifuged. If centrifugation is performed without balancing, it is easy to cause abnormalities in the centrifuge, damage the centrifuge, and even cause the blood collection tube to rupture, resulting in a biosafety accident. For this reason, it is necessary to propose a blood collection tube balancer to solve the technical problems mentioned in the above patents and provide a new technical solution. Utility Model Content

[0005] Based on this, it is necessary to provide a blood collection tube balancer to address the above technical problems. By setting up a balancing mechanism, when balancing the blood, four blood collection tubes are placed in the middle of the placement ring respectively. After adding blood into the blood collection tubes, the blood can be balanced by the principle of a balance.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A blood collection tube balancer is used for blood collection and distribution.

[0008] The blood collection tube balancer specifically includes a bottom plate, a balance mechanism and a fixing mechanism, the upper end of the bottom plate is connected to the balance mechanism for balancing the blood, and the outer end of the balance mechanism is connected to the fixing mechanism for fixing the blood collection tube;

[0009] The balancing mechanism comprises a vertical pole, an axle seat, a leveling assembly, a limit assembly and a placement assembly. The top surface of the bottom plate is fixedly connected with the vertical pole, and the top end of the vertical pole is fixedly connected with the axle seat.

[0010] As a preferred embodiment of the blood collection tube leveler provided by the utility model, the leveling assembly includes a ball shaft, a connecting block, a collar and an extension rod, the middle part of the shaft seat is rotatably connected to the ball shaft, the upper end of the ball shaft is fixedly connected to the connecting block, the surface of the connecting block is fixedly connected to the collar, the surface of the collar is fixedly connected to four extension rods, and the four extension rods are arranged in a circular array on the surface of the collar.

[0011] As a preferred embodiment of the blood collection tube balancer provided by the utility model, the limit assembly includes a rectangular groove, a fixed rod, a support rod and a guide rod, a rectangular groove is opened on the surface of the extension rod, a fixed rod is fixedly connected to the middle of the rectangular groove, the surface of the fixed rod is fixedly connected to the support rod, and the surface of the vertical rod is fixedly connected to the guide rod.

[0012] As a preferred embodiment of the blood collection tube balancer provided by the utility model, the guide rods are symmetrically installed on the surface of the vertical rods, and a slideway is formed in the middle thereof. The support rods are slidably connected to the middle of the guide rods. The number of the guide rods is four groups, and the four groups of guide rods are connected to the surface of the vertical rods in a circular array.

[0013] As a preferred embodiment of the blood collection tube balancer provided by the utility model, the placement assembly includes a placement ring, a connecting rod and a supporting ring, the end of the extension rod away from the vertical rod is fixedly connected to the placement ring, the bottom surface of the placement ring is fixedly connected to the connecting rod, and the end of the connecting rod away from the placement ring is fixedly connected to the supporting ring.

[0014] As a preferred embodiment of the blood collection tube balancer provided by the utility model, the fixing mechanism includes a hinge block, an axle rod, a rotating plate, a torsion spring and an extrusion rod, the middle part of the placement ring is fixedly connected with the hinge block, the middle part of the hinge block is fixedly connected with the axle rod, the surface of the axle rod is rotatably connected with the rotating plate, the surface of the axle rod is sleeved with a torsion spring, the two ends of the torsion spring are respectively fixedly connected with the rotating plate and the hinge block, and the bottom end of the rotating plate is fixedly connected with the extrusion rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The blood collection tube balancer provided by the utility model is provided with a balancing mechanism. When balancing the blood, four blood collection tubes are respectively placed in the middle of a placement ring. After blood is added into the blood collection tubes, the blood can be balanced by the principle of a balance.

[0017] The blood collection tube balancer provided by the utility model has a fixing mechanism, after the blood collection tube is placed in the middle of the placement ring, the blood collection tube can be clamped by a squeezing rod, so that the blood collection tube can be kept stable when blood is added into the blood collection tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the blood collection tube balancer provided by the utility model;

[0020] Figure 2 A schematic diagram of the structure of the balancing mechanism of the blood collection tube balancing device provided by the utility model;

[0021] Figure 3 A schematic diagram of the structure of the leveling assembly of the blood collection tube balancer provided by the utility model;

[0022] Figure 4 A schematic diagram of the structure of the blood collection tube balancer placement assembly provided by the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the structure of the fixing mechanism of the blood collection tube balancer.

[0024] The markings in the figure are as follows:

[0025] 1. Base plate; 2. Balancing mechanism; 3. Fixing mechanism; 4. Vertical pole; 5. Axle seat; 6. Ball shaft;

[0026] 7. Connecting block; 8. Ring; 9. Extension rod; 10. Rectangular groove; 11. Fixing rod; 12. Abutment rod;

[0027] 13. Guide rod; 14. Placement ring; 15. Connecting rod; 16. Supporting ring; 17. Articulated block; 18. Axle rod; 19. Turn plate; 20. Torsion spring; 21. Extrusion rod. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0029] As described in the background technology, when blood is tested, the collected blood needs to be divided into multiple portions and then centrifuged due to different test items. If centrifugation is performed without balancing, it is easy to cause abnormalities in the centrifuge, damage the centrifuge, and even cause the blood collection tube to rupture, resulting in a biosafety accident.

[0030] In order to solve this technical problem, the utility model provides a blood collection tube balancer, which is applied to blood collection and distribution.

[0031] Specifically, please refer to Figure 1-Figure 5 The blood collection tube balancer specifically includes a bottom plate 1, a balance mechanism 2 and a fixing mechanism 3. The upper end of the bottom plate 1 is connected to the balance mechanism 2 for balancing blood, and the outer end of the balance mechanism 2 is connected to the fixing mechanism 3 for fixing the blood collection tube.

[0032] The balancing mechanism 2 comprises a vertical rod 4, an axle seat 5, a leveling assembly, a limit assembly and a placement assembly. The top surface of the base plate 1 is fixedly connected to the vertical rod 4, and the top end of the vertical rod 4 is fixedly connected to the axle seat 5.

[0033] The blood collection tube balancer provided by the utility model is provided with a balancing mechanism 2. When balancing the blood, four blood collection tubes are placed in the middle of a placement ring 14 respectively. After blood is added into the blood collection tubes, the blood can be balanced according to the principle of a balance.

[0034] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0035] Embodiment 1:

[0036] Please refer to Figure 1-Figure 4 The blood collection tube balancer comprises a bottom plate 1, a balance mechanism 2 and a fixing mechanism 3, wherein the upper end of the bottom plate 1 is connected to the balance mechanism 2 for balancing the blood, and the outer end of the balance mechanism 2 is connected to the fixing mechanism 3 for fixing the blood collection tube;

[0037] The balancing mechanism 2 includes a vertical rod 4, an axle seat 5, a leveling assembly, a limit assembly and a placement assembly. The top surface of the bottom plate 1 is fixedly connected to the vertical rod 4, and the top end of the vertical rod 4 is fixedly connected to the axle seat 5.

[0038] Specifically, the leveling assembly includes a ball shaft 6, a connecting block 7, a collar 8 and an extension rod 9. The middle part of the shaft seat 5 is rotatably connected to the ball shaft 6, the upper end of the ball shaft 6 is fixedly connected to the connecting block 7, the surface of the connecting block 7 is fixedly connected to the collar 8, the surface of the collar 8 is fixedly connected to four extension rods 9, and the four extension rods 9 are arranged in a circular array on the surface of the collar 8.

[0039] Specifically, the limiting assembly includes a rectangular groove 10, a fixed rod 11, a push rod 12 and a guide rod 13. A rectangular groove 10 is opened on the surface of the extension rod 9, the middle of the rectangular groove 10 is fixedly connected to the fixed rod 11, the surface of the fixed rod 11 is fixedly connected to the push rod 12, and the surface of the vertical rod 4 is fixedly connected to the guide rod 13.

[0040] Specifically, the guide rods 13 are symmetrically installed on the surface of the vertical rod 4, and a slideway is formed in the middle thereof. The support rods 12 are slidably connected to the middle of the guide rods 13. There are four groups of guide rods 13, and the four groups of guide rods 13 are connected to the surface of the vertical rod 4 in a circular array.

[0041] Specifically, the placement assembly includes a placement ring 14, a connecting rod 15 and a supporting ring 16. The end of the extension rod 9 away from the vertical rod 4 is fixedly connected to the placement ring 14, the bottom surface of the placement ring 14 is fixedly connected to the connecting rod 15, and the end of the connecting rod 15 away from the placement ring 14 is fixedly connected to the supporting ring 16.

[0042] Through the above structural design, the blood collection tube is first placed in the middle of the placement ring 14, and the bottom of the blood collection tube is supported by the supporting ring 16. After completion, blood is added to the middle of the first blood collection tube. After blood is added to the inside of the blood collection tube, the balance at both ends of the extension rod 9 is broken, and the ball shaft 6 rotates in the middle of the shaft seat 5. The extension rod 9 on the side where blood is added tilts downward. During the downward tilting of the extension rod 9, the support rod 12 slides downward in the middle of the guide rod 13, and the bottom end of the device support rod 12 contacts the vertical rod 4, and then blood is added to the middle of the blood collection tube on the tilted side until the extension rods 9 on both sides reach balance, and then blood is added to the middle of the blood collection tubes on the other two sides in turn.

[0043] Embodiment 2:

[0044] The blood collection tube balancer provided in Example 1 is further optimized. Specifically, Figure 4-Figure 5 As shown, the fixing mechanism 3 includes an articulated block 17, an axle 18, a rotating plate 19, a torsion spring 20 and an extrusion rod 21. The middle part of the placement ring 14 is fixedly connected to the articulated block 17, the middle part of the articulated block 17 is fixedly connected to the axle 18, the surface of the axle 18 is rotatably connected to the rotating plate 19, the surface of the axle 18 is sleeved with a torsion spring 20, the two ends of the torsion spring 20 are respectively fixedly connected to the rotating plate 19 and the articulated block 17, and the bottom end of the rotating plate 19 is fixedly connected to the extrusion rod 21.

[0045] Through the above structural design, when the blood collection tube is placed in the middle of the placement ring 14, the blood collection tube squeezes the squeezing rods 21 on both sides outward, thereby causing the rotating plate 19 to rotate on the surface of the shaft 18. When the rotating plate 19 rotates, the torsion spring 20 is screwed, and the blood collection tube can be squeezed and fixed by the squeezing rods 21 on both sides.

Claims

1. A blood collection tube balancer, comprising a bottom plate (1), characterized in that: It also comprises a balancing mechanism (2) and a fixing mechanism (3), wherein the upper end of the base plate (1) is connected to the balancing mechanism (2) for balancing the blood, and the outer end of the balancing mechanism (2) is connected to the fixing mechanism (3) for fixing the blood collection tube; The balancing mechanism (2) comprises a vertical rod (4), an axle seat (5), a leveling assembly, a limit assembly and a placement assembly; the top surface of the base plate (1) is fixedly connected to the vertical rod (4), and the top end of the vertical rod (4) is fixedly connected to the axle seat (5).

2. The blood collection tube balancer according to claim 1, characterized in that: The leveling assembly comprises a ball shaft (6), a connecting block (7), a collar (8) and an extension rod (9); the middle part of the shaft seat (5) is rotatably connected to the ball shaft (6); the upper end of the ball shaft (6) is fixedly connected to the connecting block (7); the surface of the connecting block (7) is fixedly connected to the collar (8); the surface of the collar (8) is fixedly connected to four extension rods (9); the four extension rods (9) are arranged in a circular array on the surface of the collar (8).

3. The blood collection tube balancer according to claim 2, characterized in that: The limiting assembly comprises a rectangular groove (10), a fixing rod (11), a stop rod (12) and a guide rod (13); the surface of the extension rod (9) is provided with a rectangular groove (10); the middle of the rectangular groove (10) is fixedly connected to the fixing rod (11); the surface of the fixing rod (11) is fixedly connected to the stop rod (12); and the surface of the vertical rod (4) is fixedly connected to the guide rod (13).

4. The blood collection tube balancer according to claim 3, characterized in that: The guide rods (13) are symmetrically mounted on the surface of the vertical rods (4), and a slideway is formed in the middle thereof. The support rods (12) are slidably connected to the middle of the guide rods (13). The number of the guide rods (13) is four groups, and the four groups of guide rods (13) are connected to the surface of the vertical rods (4) in a circular array.

5. The blood collection tube balancer according to claim 4, characterized in that: The placement assembly comprises a placement ring (14), a connecting rod (15) and a supporting ring (16); one end of the extension rod (9) away from the vertical rod (4) is fixedly connected to the placement ring (14); the bottom surface of the placement ring (14) is fixedly connected to the connecting rod (15); and one end of the connecting rod (15) away from the placement ring (14) is fixedly connected to the supporting ring (16).

6. The blood collection tube balancer according to claim 5, characterized in that: The fixing mechanism (3) comprises an articulated block (17), an axle (18), a rotating plate (19), a torsion spring (20) and an extrusion rod (21); the middle part of the placement ring (14) is fixedly connected to the articulated block (17); the middle part of the articulated block (17) is fixedly connected to the axle (18); the surface of the axle (18) is rotatably connected to the rotating plate (19); the surface of the axle (18) is sleeved with a torsion spring (20); the two ends of the torsion spring (20) are respectively fixedly connected to the rotating plate (19) and the articulated block (17); the bottom end of the rotating plate (19) is fixedly connected to the extrusion rod (21).

Citation Information

Cited By

  • Full-automatic blood extraction and centrifugation device and extraction and centrifugation method thereof

    CN121082427A

  • A fully automatic blood extraction centrifugal device and an extraction centrifugal method thereof

    CN121082427B