Blood drawing and sampling assist device for children

Abstract

The utility model relates to the technical field of blood sampling assistors, and discloses a child blood sampling assistor which comprises a base, an air bag is fixedly connected to the center of the top of the base, an air inlet pipe is installed on one side of the air bag, a ball bag is installed at one end of the air inlet pipe, a one-way valve is installed at one end of the ball bag, and the other end of the ball bag is provided with an air outlet pipe. A fixing block is fixedly connected to the top of the base, a clamping block is movably connected to one side of the base in an inserted mode, and a hand support is fixedly connected to one side of the clamping block. According to the child blood drawing and sampling assist device, by arranging the air bag, the air inlet pipe, the balloon, the one-way valve and the fixing block, when a worker fixes the arm of a child, the arm is firstly inserted between the air bag and the fixing block, then the balloon is continuously pressed, and external air enters the air inlet pipe through the one-way valve and finally reaches the interior of the air bag; the air bag is larger and larger, so that the effect of fixing arms of different children is achieved, and the flexibility of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blood sampling auxiliary devices, in particular to a blood sampling auxiliary device for children. Background Art

[0002] Blood draws are usually done for medical diagnosis, to monitor treatment, to study disease, or to assess the health of children; doctors may need to perform blood tests to confirm certain diseases, such as anemia, infectious diseases, metabolic disorders, etc. By analyzing various indicators in the blood sample, doctors can determine the type and severity of the disease.

[0003] However, the existing blood drawing and blood sampling auxiliary device for children has the following disadvantages:

[0004] (1) When drawing blood from children, it is not convenient to fix the arms of different children, which reduces the flexibility of the device;

[0005] (2) The hand rest for fixing the child's palm will produce bacteria after long-term use. The existing device is usually fixed and inconvenient to disassemble and clean, which reduces the environmental hygiene of blood collection for children.

[0006] Therefore, the utility model provides a blood drawing auxiliary device for children. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] The technical problem solved by the utility model is to provide a pediatric blood drawing aid which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problem of inconvenience in fixing the arms of different children raised in the above-mentioned background technology.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pediatric blood drawing auxiliary device, including a base, an air bag is fixedly connected to the top center of the base, an air inlet pipe is installed on one side of the air bag, a balloon is installed on one end of the air inlet pipe, a one-way valve is installed on one end of the balloon, a fixed block is fixedly connected to the top of the base, a card block is movably inserted on one side of the base, a hand rest is fixedly connected to one side of the card block, a card plate is carded on the surface of the card block, a push rod is fixedly connected to the surface of the card plate, the bottom of the card plate is fixedly connected to a limiting plate, and the bottom of the limiting plate is connected to a spring.

[0011] Optionally, one side of the palm rest is fixedly connected to a hollow block, and the other side of the palm rest is fixedly connected to a strap, and the surfaces of the strap are respectively fixedly connected to a Velcro sub-surface and a Velcro main surface. When in use, the strap is passed through the hollow block and then folded in half so that the Velcro sub-surface is connected to the Velcro main surface, thereby effectively fixing the child's palm.

[0012] Optionally, an air outlet pipe is installed on one side of the airbag, and a nut is threadedly connected to one end of the air outlet pipe to facilitate the discharge of gas in the airbag.

[0013] Optionally, a protective pad is fixedly connected to the bottom of the fixed block via a fixing assembly, and the protective pad is made of rubber material to prevent damage to the child's arm.

[0014] Optionally, a limiting groove is provided on the inner side wall of the base, and the limiting plate is slidably connected in the limiting groove, so that the limiting plate is more stable during movement.

[0015] Optionally, a sliding hole is opened on the surface of the base, and the push rod is slidably connected in the sliding hole, so that the movement of the push rod is more stable.

[0016] (III) Beneficial effects

[0017] The utility model provides a blood drawing and blood sampling auxiliary device for children, which has the following beneficial effects:

[0018] 1. The pediatric blood drawing auxiliary device, through the arrangement of the air bag, air inlet tube, balloon, one-way valve and fixing block, allows the staff to first insert the arm between the air bag and the fixing block when fixing the child's arm, and then continuously press the balloon to allow the outside air to enter the air inlet tube through the one-way valve and finally reach the inside of the air bag, making the air bag larger and larger, thereby achieving the effect of fixing the arms of different children and improving the flexibility of the device.

[0019] 2. The pediatric blood drawing auxiliary device, through the arrangement of the clamping block, the hand rest, the clamping plate, the push rod and the limit plate, allows the staff to press the push rod to move the clamping plate downward under the limit of the limit plate when disassembling the hand rest, and squeeze the spring at the same time. When the clamping plate is completely moved out of the clamping block, the hand rest is disassembled, which is convenient for the staff to clean the hand rest and ensures the hygiene of the blood collection environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall side view structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the connection between the base and the hand rest of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the first embodiment of the utility model;

[0024] Figure 5 This is a structural schematic diagram of the second embodiment of the utility model.

[0025] In the figure: 1. base; 2. air bag; 3. air inlet pipe; 4. ball bag; 5. one-way valve; 6. fixing block; 7. protection pad; 8. clamping block; 9. hand rest; 10. clamping plate; 11. push rod; 12. limit plate; 13. spring; 14. hollow block; 15. strap; 16. Velcro sub-surface; 17. Velcro mother surface; 18. air outlet pipe; 19. nut; 20. fixing assembly; 2001. threaded hole; 2002. bolt; 2003. magnetic strip A; 2004. magnetic strip B. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 3 The utility model provides a technical solution: a pediatric blood drawing auxiliary device, comprising a base 1, an air bag 2 is fixedly connected at the top center of the base 1, an air inlet pipe 3 is installed on one side of the air bag 2, a balloon 4 is installed at one end of the air inlet pipe 3, a one-way valve 5 is installed at one end of the balloon 4, and a fixing block 6 is fixedly connected to the top of the base 1. Through the arrangement of the air bag 2, the air inlet pipe 3, the balloon 4, the one-way valve 5 and the fixing block 6, when the staff fixes the child's arm, they first insert the arm between the air bag 2 and the fixing block 6, and then continuously press the balloon 4, so that the outside air enters the air inlet pipe 3 through the one-way valve 5 and finally reaches the inside of the air bag 2, making the air bag 2 larger and larger, thereby achieving the effect of fixing the arms of different children, and providing The flexibility of the device is improved. A card block 8 is movably inserted on one side of the base 1, and a hand rest 9 is fixedly connected to one side of the card block 8. A card plate 10 is carded on the surface of the card block 8, and a push rod 11 is fixedly connected to the surface of the card plate 10. The bottom of the card plate 10 is fixedly connected to a limiting plate 12, and the bottom of the limiting plate 12 is connected to a spring 13. Through the arrangement of the card block 8, the hand rest 9, the card plate 10, the push rod 11 and the limiting plate 12, when the staff disassembles the hand rest 9, by pressing the push rod 11, the card plate 10 moves downward under the limit of the limiting plate 12, and at the same time squeezes the spring 13. When the card plate 10 is completely moved out of the card block 8, the disassembly of the hand rest 9 is completed, which is convenient for the staff to clean the hand rest 9 and ensures the hygiene of the blood collection environment.

[0028] A hollow block 14 is fixedly connected to one side of the hand rest 9, and a strap 15 is fixedly connected to the other side of the hand rest 9. A Velcro sub-surface 16 and a Velcro mother surface 17 are fixedly connected to the surface of the strap 15. By setting the strap 15, the Velcro sub-surface 16 and the Velcro mother surface 17, when in use, the strap 15 is passed through the hollow block 14 and then folded in half, so that the Velcro sub-surface 16 is connected to the Velcro mother surface 17, thereby effectively fixing the child's palm;

[0029] An air outlet pipe 18 is installed on one side of the airbag 2, and a nut 19 is threadedly connected to one end of the air outlet pipe 18. The arrangement of the air outlet pipe 18 and the nut 19 facilitates the discharge of gas in the airbag 2.

[0030] The bottom of the fixing block 6 is fixedly connected with a protection pad 7 through a fixing assembly 20. The setting of the protection pad 7 prevents damage to the child's arm. The protection pad 7 is made of rubber.

[0031] The inner side wall of the base 1 is provided with a limiting groove, and the limiting plate 12 is slidably connected in the limiting groove, so that the limiting plate 12 is more stable during the movement;

[0032] A sliding hole is provided on the surface of the base 1 , and the push rod 11 is slidably connected in the sliding hole, so that the push rod 11 moves more stably.

[0033] In the utility model, the working steps of the device are as follows:

[0034] Step 1: First, insert the arm between the airbag 2 and the fixing block 6, then continuously press the balloon 4, so that the outside air enters the air inlet pipe 3 through the one-way valve 5, and finally reaches the inside of the airbag 2, making the airbag 2 larger and larger, thereby achieving the effect of fixing the arms of different children and improving the flexibility of the device;

[0035] The second step: then press the push rod 11, so that the card plate 10 moves downward under the limit of the limit plate 12, and at the same time squeezes the spring 13. When the card plate 10 is completely moved out of the block 8, the hand support 9 is disassembled, which is convenient for the staff to clean the hand support 9 and ensure the hygiene of the blood collection environment.

[0036] Embodiment 1

[0037] Please refer to Figure 4 The fixing assembly 20 includes threaded holes 2001 opened on the surfaces of the fixing block 6 and the protection pad 7. The threaded holes 2001 are threadedly connected with bolts 2002. The provision of the bolts 2002 makes the protection pad 7 more firmly installed.

[0038] Embodiment 2

[0039] Please refer to Figure 5The fixing component 20 includes an A magnetic strip 2003 embedded in the bottom of the fixing block 6, and a B magnetic strip 2004 is embedded in the top of the protection pad 7. Through the setting of the A magnetic strip 2003 and the B magnetic strip 2004, the protection pad 7 can be installed more quickly.

[0040] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0041] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blood drawing aid for children, comprising a base (1), characterized in that: An air bag (2) is fixedly connected to the center of the top of the base (1); an air intake pipe (3) is installed on one side of the air bag (2); a ball bag (4) is installed on one end of the air intake pipe (3); a one-way valve (5) is installed on one end of the ball bag (4); a fixed block (6) is fixedly connected to the top of the base (1); a clamping block (8) is movably inserted on one side of the base (1); a hand rest (9) is fixedly connected to one side of the clamping block (8); a clamping plate (10) is clamped on the surface of the clamping plate (8); a push rod (11) is fixedly connected to the surface of the clamping plate (10); a limiting plate (12) is fixedly connected to the bottom of the limiting plate (12); a spring (13) is connected to the bottom of the limiting plate (12).

2. A blood drawing aid for children according to claim 1, characterized in that: A hollow block (14) is fixedly connected to one side of the hand rest (9), a binding strap (15) is fixedly connected to the other side of the hand rest (9), and a Velcro sub-surface (16) and a Velcro main surface (17) are respectively fixedly connected to the surface of the binding strap (15).

3. The blood drawing aid for children according to claim 1, characterized in that: An air outlet pipe (18) is installed on one side of the air bag (2), and a nut (19) is threadedly connected to one end of the air outlet pipe (18).

4. The blood drawing aid for children according to claim 1, characterized in that: The bottom of the fixed block (6) is fixedly connected to a protection pad (7) via a fixing assembly (20), and the protection pad (7) is made of rubber material.

5. The blood drawing aid for children according to claim 1, characterized in that: The inner side wall of the base (1) is provided with a limiting groove, and the limiting plate (12) is slidably connected in the limiting groove.

6. The blood drawing aid for children according to claim 1, characterized in that: A sliding hole is provided on the surface of the base (1), and the push rod (11) is slidably connected in the sliding hole.

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