Auxiliary fixing mechanism for blood drawing

Abstract

The utility model discloses an auxiliary fixing mechanism for blood drawing, which relates to the technical field of medical instruments and comprises an equipment box, a fixed range adjusting component is arranged in the equipment box and comprises a driving motor arranged in the equipment box, and a transmission rod is arranged at the output end of the driving motor. The side, away from the driving motor, of the transmission rod is fixedly connected with a rotating disc, the side edge of the rotating disc is rotationally connected with a first coupling, the side, away from the rotating disc, of the first coupling is in transmission connection with a sliding block, a second arm fixing plate is arranged above the sliding block, and the driving motor operates to enable the second arm fixing plate to be converted into a moving state from a static state. By means of the design, automatic adjustment of the arm fixing position is achieved, the design fully considers the body type difference of children of different age groups, especially the different arm lengths, so that accurate adjustment of the arm fixing range is achieved, and the self-adaptive adjusting function greatly improves the fixing efficiency and the working efficiency; and the device can be suitable for people with different body types.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an auxiliary fixation mechanism for blood drawing. Background Technology

[0002] Blood drawing is a common medical procedure used to obtain blood samples for laboratory testing or transfusion therapy. Blood draws are typically performed by trained medical personnel. A blood draw fixation device is a device designed to improve the safety and efficiency of the blood draw process. It is primarily used to stabilize the patient's arm so that medical staff can more accurately locate and puncture a vein. With technological advancements and increasing societal demands for higher quality healthcare services, future blood draw fixation devices will be more intelligent and user-friendly, better serving patients and creating more convenient working conditions for medical staff. Furthermore, with the application of IoT technology, future smart fixation devices may connect to hospital information systems, enabling data sharing and service process optimization.

[0003] A search revealed Chinese patent CN115024722A, which discloses a pediatric arm fixation device for blood drawing. The need arises for a pediatric arm fixation device that is convenient for restraining the arm, prevents wobbling, and obstructs the child's view, thus avoiding resistance. This pediatric arm fixation device includes: a grooved plate with a gripping lever; Velcro fabric attached to the grooved plate; a driving device mounted on the grooved plate to provide power; and a limiting device installed between the grooved plate and the driving device to fix the arm. The invention first places the arm on the grooved plate, and the hand grips the gripping lever. Due to gravity, the arm causes the pressure block to move downwards, which in turn causes the toothed arc-shaped plate to slide to the right to fix the arm. The Velcro fabric then secures the arm, allowing for blood drawing. This method conveniently restrains the arm and prevents wobbling.

[0004] However, in actual use, the above-mentioned device has different body sizes due to the age difference of children. The device places the arm on the slot plate, and the slot plate cannot be adjusted according to the length of the user's arm, so the fixed arm is always kept in one position, resulting in reduced fixation efficiency and low work efficiency. Therefore, an auxiliary fixation mechanism for blood drawing is proposed. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies where children's body shapes differ due to age differences. The device places the arm on a slotted plate, which cannot be adjusted according to the user's arm length, resulting in the arm remaining in one position, leading to reduced fixation efficiency and low work efficiency. Therefore, this invention proposes an auxiliary fixation mechanism for blood drawing.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An auxiliary fixation mechanism for blood drawing includes an equipment box, inside which is a fixation range adjustment component. The fixation range adjustment component includes a drive motor installed inside the equipment box. A transmission rod is installed at the output end of the drive motor. A turntable is fixedly connected to the side of the transmission rod away from the drive motor. A first coupling is rotatably connected to the side of the turntable. A slider is drivenly connected to the side of the first coupling away from the turntable. A second arm fixing plate is installed above the slider. The operation of the drive motor causes the second arm fixing plate to change from a stationary state to a moving state.

[0008] The second arm mounting plate is slidably connected to the first arm mounting plate on the side near the equipment box, and the second arm mounting plate is fixedly connected to the third arm mounting plate on the side away from the first arm mounting plate. A strap is provided above the first arm mounting plate, and a buckle is fixedly connected to the side of the first arm mounting plate near the strap. The strap can be wrapped around the outside of the buckle.

[0009] The above technical solution further includes:

[0010] The equipment box has a base groove inside, and the drive motor is fixedly installed inside the base groove.

[0011] The first coupling is rotatably connected to a second coupling on the side near the turntable, and the second coupling is rotatably connected to the slider.

[0012] A bracket is slidably connected below the slider, and the bracket is fixedly connected to the equipment box.

[0013] The bracket has a long groove inside on the side near the second coupling.

[0014] A connecting plate is fixedly connected above the slider, and the connecting plate is fixedly connected to the second arm fixing plate.

[0015] The equipment box is fixedly connected to the first arm mounting plate, and one end of the second arm mounting plate is disposed inside the first arm mounting plate.

[0016] A storage box is provided on top of the equipment box.

[0017] This utility model has the following beneficial effects:

[0018] 1. In this utility model, when the drive motor is started, the turntable rotates, driving the first and second couplings to move. Then, through the slider and connecting plate, the second and third arm fixing plates are driven to slide along the first arm fixing plate, realizing automatic adjustment of the arm fixing position. This design fully considers the differences in body shape of children of different ages, especially the differences in arm length, thereby achieving precise adjustment of the arm fixing range. This adaptive adjustment function greatly improves the fixing efficiency and work efficiency, ensuring that the device can be used by people of different body types.

[0019] 2. In this utility model, a strap and buckle are provided on the first arm fixation plate. Medical staff can wrap the strap around the buckle to provide additional fixation for the arm of the person drawing blood. This design enhances the stability of the arm fixation and reduces the risk of puncture failure or discomfort caused by arm movement during blood drawing. At the same time, multiple sets of straps and buckles are provided on both the first and third arm fixation plates to ensure that both the forearm and upper arm can be adequately fixed, further improving the comfort and safety of the blood drawing process. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of an auxiliary fixation mechanism for blood drawing proposed in this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0022] Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention;

[0023] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0024] In the diagram: 1. Equipment box; 2. Base groove; 3. Drive motor; 4. Transmission rod; 5. Turntable; 6. First coupling; 7. Second coupling; 8. Slider; 9. Bracket; 10. Long groove; 11. Connecting plate; 12. First arm fixing plate; 13. Second arm fixing plate; 14. Third arm fixing plate; 15. Strap; 16. Buckle block; 17. Storage box. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] like Figures 1-4 As shown, the present invention proposes an auxiliary fixation mechanism for blood drawing, including an equipment box 1. The equipment box 1 is equipped with a fixation range adjustment component, which includes a drive motor 3 installed inside the equipment box 1. The output end of the drive motor 3 is provided with a transmission rod 4. A turntable 5 is fixedly connected to the side of the transmission rod 4 away from the drive motor 3. A first coupling 6 is rotatably connected to the side of the turntable 5. A slider 8 is transmittedly connected to the side of the first coupling 6 away from the turntable 5. A second arm fixing plate 13 is provided above the slider 8. The operation of the drive motor 3 causes the second arm fixing plate 13 to change from a stationary state to a moving state.

[0028] The second arm mounting plate 13 is slidably connected to the first arm mounting plate 12 on the side near the equipment box 1. The second arm mounting plate 13 is fixedly connected to the third arm mounting plate 14 on the side away from the first arm mounting plate 12. A strap 15 is provided above the first arm mounting plate 12. A buckle 16 is fixedly connected to the side of the first arm mounting plate 12 near the strap 15. The strap 15 can be wrapped around the outside of the buckle 16.

[0029] The equipment box 1 has a base groove 2 inside, and the drive motor 3 is fixedly installed inside the base groove 2.

[0030] The first coupling 6 is rotatably connected to the second coupling 7 on the side near the turntable 5, and the second coupling 7 is rotatably connected to the slider 8.

[0031] A bracket 9 is slidably connected below the slider 8, and the bracket 9 is fixedly connected to the equipment box 1.

[0032] The bracket 9 has a long groove 10 inside on the side near the second coupling 7.

[0033] A connecting plate 11 is fixedly connected above the slider 8, and the connecting plate 11 is fixedly connected to the second arm fixing plate 13.

[0034] The equipment box 1 is fixedly connected to the first arm mounting plate 12, and one end of the second arm mounting plate 13 is located inside the first arm mounting plate 12.

[0035] A storage box 17 is provided on the top of the equipment box 1.

[0036] In this embodiment, the fixed range adjustment component inside the equipment box 1 is activated. A base groove 2 is provided inside the equipment box 1, and the drive motor 3, fixedly installed inside the base groove 2, starts running. When the drive motor 3 runs, it controls the transmission rod 4 at its output end to rotate. When the transmission rod 4 rotates, it drives the turntable 5, which is fixedly connected to its other end, to rotate. A first coupling 6 is rotatably connected to the other side of the turntable 5. When the turntable 5 rotates, it drives the first coupling 6 to move. A second coupling 7 is rotatably connected to the other end of the first coupling 6. When the turntable 5 moves, it drives the second coupling 7 to move, forming a rotating, handle-like structure between the first coupling 6 and the second coupling 7. A slider 8 is rotatably connected to the end of the second coupling 7 away from the first coupling 6. When the second coupling 7 moves, it drives the slider 8 to move. Because the slider 8 is restricted by the bracket 9, the slider 8 slides inside the bracket 9. When block 8 slides, it will drive the connecting plate 11 set on its upper side to move. A long groove 10 is opened inside the bracket 9. The connecting plate 11 passes through the inside of the long groove 10, so that the connecting plate 11 slides inside the long groove 10. The connecting plate 11 passes through the inside of the equipment box 1 and is fixedly connected to the second arm fixing plate 13. When the connecting plate 11 moves, it drives the second arm fixing plate 13 to start moving, so that the second arm fixing plate 13 slides inside the first arm fixing plate 12. A third arm fixing plate 14 is fixedly connected above the second arm fixing plate 13. The third arm fixing plate 14 will move with the second arm fixing plate 13. The user can place the forearm on the first arm fixing plate 12 and the second arm fixing plate 13, and place the upper arm on the outside of the third arm fixing plate 14. The movement of the second arm fixing plate 13 and the third arm fixing plate 14 allows the device to automatically adjust the fixed range according to the length of the user's arm, so that the device can be used by different people.

[0037] A strap 15 is provided above the first arm fixation plate 12. Medical staff can pull one end of the strap 15 to fix a buckle 16 on the other side of the first arm fixation plate 12, so that one end of the strap 15 is wrapped around the buckle 16. Two sets of straps 15 and buckles 16 are provided on the outside of the first arm fixation plate 12, and the same set is provided above the third arm fixation plate 14, so that medical staff can use the fixation range adjustment component to stably fix the arm of the person drawing blood. A storage box 17 is provided above the equipment box 1. The storage box 17 can be used to store the medical instruments needed for blood drawing.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An auxiliary fixation mechanism for blood drawing, comprising an equipment box (1), characterized in that, The equipment box (1) is equipped with a fixed range adjustment component. The fixed range adjustment component includes a drive motor (3) installed inside the equipment box (1). The output end of the drive motor (3) is equipped with a transmission rod (4). A turntable (5) is fixedly connected to the side of the transmission rod (4) away from the drive motor (3). A first coupling (6) is rotatably connected to the side of the turntable (5). A slider (8) is driven to the side of the first coupling (6) away from the turntable (5). A second arm plate (13) is installed above the slider (8). The operation of the drive motor (3) causes the second arm plate (13) to change from a stationary state to a moving state. The second arm mounting plate (13) is slidably connected to the first arm mounting plate (12) on the side near the equipment box (1), and the second arm mounting plate (13) is fixedly connected to the third arm mounting plate (14) on the side away from the first arm mounting plate (12). A strap (15) is provided above the first arm mounting plate (12), and a buckle (16) is fixedly connected to the side of the first arm mounting plate (12) near the strap (15). The strap (15) can be wrapped around the outside of the buckle (16).

2. The auxiliary fixation mechanism for blood extraction according to claim 1, wherein The equipment box (1) has a base groove (2) inside, and the drive motor (3) is fixedly installed inside the base groove (2).

3. The auxiliary fixation mechanism for blood extraction according to claim 1, wherein The first coupling (6) is rotatably connected to the second coupling (7) on the side near the turntable (5), and the second coupling (7) is rotatably connected to the slider (8).

4. The auxiliary fixation mechanism for blood extraction according to claim 1, wherein A bracket (9) is slidably connected below the slider (8), and the bracket (9) is fixedly connected to the equipment box (1).

5. A mechanism for assisting in the immobilization of a patient for blood drawing according to claim 4, wherein, The bracket (9) has an elongated groove (10) on the side near the second coupling (7).

6. The auxiliary fixation mechanism for blood drawing according to claim 1, wherein A connecting plate (11) is fixedly connected above the slider (8), and the connecting plate (11) is fixedly connected to the second arm fixing plate (13).

7. The auxiliary fixation mechanism for blood drawing according to claim 1, wherein The equipment box (1) is fixedly connected to the first arm fixing plate (12), and one end of the second arm fixing plate (13) is disposed inside the first arm fixing plate (12).

8. The auxiliary fixation mechanism for blood drawing according to claim 1, characterized in that, A storage box (17) is provided above the equipment box (1).

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