Blood puncture auxiliary device

Abstract

The utility model provides an auxiliary device for blood puncture, which belongs to the technical field of blood puncture and is characterized by comprising a fixing ring, a puncture angle regulator is fixedly connected onto the fixing ring, a puncture needle fixer is arranged on the puncture angle regulator, and the puncture needle fixer is connected with the fixing ring. The puncture angle regulator comprises a connecting rod and a rotating handle, and one end of the rotating handle is connected with the connecting rod through a motor; the fixing ring is of a tough arc-shaped structure, and an attaching layer is arranged on the inner side wall of the fixing ring and comprises a moisture absorption layer and an anti-skid layer. A plurality of groups of air holes are formed in the anti-skid layer in a penetrating manner; a plurality of groups of semispherical bulges are uniformly arranged on the outer surface of the anti-skid layer; the angle of the puncture needle can be adjusted and fixed, and the puncture needle is assisted in puncture sampling.

Description

Technical Field

[0001] The utility model belongs to the technical field of blood puncture, and in particular relates to a blood puncture auxiliary device. Background Art

[0002] Blood puncture is a vital operation in the medical field, which aims to obtain blood samples from patients for various tests. Although this process seems simple, it contains rich technical details and key points of operation. When performing blood puncture, medical staff must accurately master the skills and methods of puncture, and through repeated practical training, they can control the reasonable angle of needle withdrawal and improve the accuracy and stability of operation during blood puncture. In actual operation, medical staff need to pay attention to the patient's vascular condition, select a suitable puncture site, and ensure the disinfection of the puncture instrument before puncturing and sampling through the puncture needle. Medical staff who are usually in the internship stage do not have skilled puncture skills. Due to lack of initial experience, they cannot accurately control the puncture angle during the puncture process, which can easily cause bleeding and damage to blood vessels in the person being tested. Utility Model Content

[0003] In view of this, the utility model provides a blood puncture auxiliary device, which can adjust and fix the angle of the puncture needle to assist the puncture needle in puncture sampling.

[0004] The utility model is achieved in this way:

[0005] The utility model provides a blood puncture auxiliary device, which comprises a fixing ring, to which a puncture angle adjuster is fixedly connected, and a puncture needle holder is arranged on the puncture angle adjuster. The puncture angle adjuster comprises a connecting rod and a rotating handle, and one end of the rotating handle is connected to the connecting rod through a motor.

[0006] The technical effects of a blood puncture auxiliary device provided by the utility model are as follows: by setting a fixing ring, the device is fixed on the arm of the person being tested, and by setting a puncture angle adjuster and a puncture needle holder, the rotating handle is connected to the connecting rod through a motor, and the motor drives the fixing groove on the rotating handle to adjust the angle, thereby accurately controlling the angle of the puncture needle and improving the accuracy of puncture.

[0007] On the basis of the above technical solution, the blood puncture auxiliary device of the utility model can also be improved as follows:

[0008] Wherein, the fixing ring is a tough arc-shaped structure, and a fitting layer is arranged on the inner side wall of the fixing ring, and the fitting layer includes a moisture absorption layer and an anti-slip layer.

[0009] The beneficial effect of adopting the above-mentioned improvement scheme is that by providing a fitting layer, the fixing ring and the arm of the person being reduced can be better fitted.

[0010] Furthermore, the anti-slip layer is provided with a plurality of groups of air holes, and the diameter of the air holes is 1 to 1.2 mm.

[0011] The beneficial effects of adopting the above-mentioned improvement scheme are: by providing an anti-slip layer to increase the firmness of the contact between the fixing ring and the arm of the person being sampled, the device is prevented from sliding; by providing air holes and a moisture-absorbing layer to prevent sweat accumulation in the anti-slip layer.

[0012] Furthermore, a plurality of groups of hemispherical protrusions are evenly arranged on the outer surface of the anti-slip layer, and the radius of the hemispherical protrusions is 0.3-0.5 mm. The hemispherical protrusions are used to increase the friction force when the anti-slip layer contacts the arm.

[0013] Furthermore, the puncture needle holder includes a fixing groove and an inner fixing nut, the fixing groove is a channel which is wide at the front and narrow at the back, the fixing groove is used for passing the puncture needle, and the inner fixing nut is used for fixing the position of the puncture needle.

[0014] The beneficial effects of adopting the above-mentioned improved solution are as follows: the fixing groove is provided for puncturing by the puncture needle, and the internal fixing nut is provided for fixing the position of the puncture needle inside the fixing groove.

[0015] Furthermore, the rotating handle is fixedly connected to the fixing groove, and the rotating handle is rotationally connected to the connecting rod via the motor.

[0016] Furthermore, the puncture angle adjuster also includes a controller, a control panel is arranged inside the controller, and the controller is used to control the motor to adjust the angle of the rotating handle.

[0017] Furthermore, the fixing groove includes a front end and a rear end, the width of the depression at the front end is 2.5 to 3 mm, and the width of the depression at the rear end is 1.2 to 2 mm.

[0018] Furthermore, an indicator line is provided at the exact center of the top of the fixing groove, and the indicator line is used to indicate the needle path.

[0019] The beneficial effect of adopting the above-mentioned improvement scheme is that by setting the indicator line, medical staff can more clearly identify the corresponding vein position for needle puncture, thereby improving the puncture accuracy.

[0020] Furthermore, a charging port is provided on one side of the connecting rod, a power supply is provided inside the charging port, and the power supply is electrically connected to the motor and the controller respectively.

[0021] Compared with the prior art, the beneficial effects of a blood puncture auxiliary device provided by the utility model are as follows: by setting a fixing ring, the device is fixed on the arm of the person being examined; by setting a puncture angle adjuster and a puncture needle holder, the rotating handle is connected to the connecting rod through a motor, and the motor drives the fixing groove on the rotating handle to adjust the angle, thereby accurately controlling the angle of the puncture needle and improving the accuracy of puncture; by setting a fitting layer, the fixing ring is better fitted to the arm of the person being examined; by setting an anti-slip layer, the firmness of the contact between the fixing ring and the arm of the person being examined is increased to prevent the device from sliding, and by setting air holes and a moisture-absorbing layer, sweat is prevented from accumulating at the anti-slip layer; by setting a fixing groove, the puncture needle is used for puncture, and by setting an internal fixing nut, the position of the puncture needle inside the fixing groove is fixed; by setting an indicator line, medical staff can more clearly identify the corresponding vein position for needle removal and puncture, thereby improving the accuracy of puncture. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a structural schematic diagram of a blood puncture auxiliary device;

[0024] Figure 2 A schematic diagram of a bonding layer of a blood puncture auxiliary device;

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 10. Fixing ring; 11. Puncture angle adjuster; 12. Puncture needle holder; 13. Connecting rod; 14. Rotating handle; 15. Motor; 16. Laminating layer; 17. Moisture absorption layer; 18. Anti-skid layer; 19. Hemispherical protrusion; 20. Fixing groove; 21. Internal fixing nut. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the implementation mode of the present invention clearer, the technical solution in the implementation mode of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the implementation mode of the present invention.

[0028] Embodiment 1:

[0029] like Figure 1-2As shown, it is a first embodiment of a blood puncture auxiliary device provided by the utility model. In this embodiment, it includes a fixing ring 10, a puncture angle adjuster 11 is fixedly connected to the fixing ring 10, a puncture needle holder 12 is arranged on the puncture angle adjuster 11, the puncture angle adjuster 11 includes a connecting rod 13 and a rotating handle 14, and one end of the rotating handle 14 is connected to the connecting rod 13 through a motor 15.

[0030] When in use, first fix the device on the arm of the person being examined through the fixing ring 10, control the motor 15 through the controller to drive the fixing groove 20 on the rotating handle 14 to rotate, and after adjusting the puncture angle, introduce the puncture needle into the fixing groove 20, and remove the needle according to the needle removal position corresponding to the indicator line.

[0031] Among them, in the above technical solution, the fixing ring 10 is a tough arc-shaped structure, and a bonding layer 16 is arranged on the inner side wall of the fixing ring 10 , and the bonding layer 16 includes a moisture absorption layer 17 and an anti-slip layer 18 .

[0032] Furthermore, in the above technical solution, a plurality of groups of air holes are provided through the anti-slip layer 18, and the diameter of the air holes is 1 mm.

[0033] Furthermore, in the above technical solution, a plurality of groups of hemispherical protrusions 19 are evenly arranged on the outer surface of the anti-slip layer 18. The radius of the hemispherical protrusions 19 is 0.3 mm. The hemispherical protrusions 19 are used to increase the friction when the anti-slip layer 18 contacts the arm.

[0034] Furthermore, in the above technical solution, the puncture needle holder 12 includes a fixing groove 20 and an inner fixing nut 21. The fixing groove 20 is a channel that is wide at the front and narrow at the back. The fixing groove 20 is used to pass the puncture needle, and the inner fixing nut 21 is used to fix the position of the puncture needle.

[0035] Furthermore, in the above technical solution, the rotating handle 14 is fixedly connected to the fixing groove 20 , and the rotating handle 14 is rotationally connected to the connecting rod 13 via the motor 15 .

[0036] Furthermore, in the above technical solution, the puncture angle adjuster 11 also includes a controller, and a control panel is arranged inside the controller, and the controller is used to control the motor 15 to adjust the angle of the rotating handle 14.

[0037] Furthermore, in the above technical solution, the fixing groove 20 includes a front end and a rear end, the width of the depression at the front end is 2.5 mm, and the width of the depression at the rear end is 1.2 mm.

[0038] Furthermore, in the above technical solution, an indicator line is provided at the very center of the top of the fixing groove 20, and the indicator line is used to indicate the needle path.

[0039] Furthermore, in the above technical solution, a charging port is provided on one side of the connecting rod 13, a power supply is provided inside the charging port, and the power supply is electrically connected to the motor 15 and the controller respectively.

[0040] Specifically, the principle of the utility model is: when in use, the device is first fixed to the arm of the person being examined through the fixing ring 10, and the motor 15 is controlled by the controller to drive the fixing groove 20 on the rotating handle 14 to rotate. After adjusting the puncture angle, the puncture needle is introduced into the fixing groove 20, and the needle is removed through 22 corresponding to the needle removal position.

[0041] Embodiment 2:

[0042] like Figure 1-2 As shown, it is a second embodiment of a blood puncture auxiliary device provided by the utility model. In this embodiment, it includes a fixing ring 10, a puncture angle adjuster 11 is fixedly connected to the fixing ring 10, a puncture needle holder 12 is arranged on the puncture angle adjuster 11, and the puncture angle adjuster 11 includes a connecting rod 13 and a rotating handle 14, and one end of the rotating handle 14 is connected to the connecting rod 13 through a motor 15.

[0043] Among them, in the above technical solution, the fixing ring 10 is a tough arc-shaped structure, and a bonding layer 16 is arranged on the inner side wall of the fixing ring 10 , and the bonding layer 16 includes a moisture absorption layer 17 and an anti-slip layer 18 .

[0044] Furthermore, in the above technical solution, a plurality of groups of air holes are provided through the anti-slip layer 18, and the diameter of the air holes is 1.2 mm.

[0045] Furthermore, in the above technical solution, a plurality of groups of hemispherical protrusions 19 are evenly arranged on the outer surface of the anti-slip layer 18. The radius of the hemispherical protrusions 19 is 0.5 mm. The hemispherical protrusions 19 are used to increase the friction when the anti-slip layer 18 contacts the arm.

[0046] Furthermore, in the above technical solution, the puncture needle holder 12 includes a fixing groove 20 and an inner fixing nut 21. The fixing groove 20 is a channel that is wide at the front and narrow at the back. The fixing groove 20 is used to pass the puncture needle, and the inner fixing nut 21 is used to fix the position of the puncture needle.

[0047] Furthermore, in the above technical solution, the rotating handle 14 is fixedly connected to the fixing groove 20 , and the rotating handle 14 is rotationally connected to the connecting rod 13 via the motor 15 .

[0048] Furthermore, in the above technical solution, the puncture angle adjuster 11 also includes a controller, and a control panel is arranged inside the controller, and the controller is used to control the motor 15 to adjust the angle of the rotating handle 14.

[0049] Furthermore, in the above technical solution, the fixing groove 20 includes a front end and a rear end, the width of the depression at the front end is 3 mm, and the width of the depression at the rear end is 2 mm.

[0050] Furthermore, in the above technical solution, an indicator line is provided at the very center of the top of the fixing groove 20, and the indicator line is used to indicate the needle path.

[0051] Furthermore, in the above technical solution, a charging port is provided on one side of the connecting rod 13, a power supply is provided inside the charging port, and the power supply is electrically connected to the motor 15 and the controller respectively.

Claims

1. A blood puncture auxiliary device, characterized in that: The invention comprises a fixing ring (10), a puncture angle adjuster (11) is fixedly connected to the fixing ring (10), a puncture needle holder (12) is arranged on the puncture angle adjuster (11), the puncture angle adjuster (11) comprises a connecting rod (13) and a rotating handle (14), one end of the rotating handle (14) is connected to the connecting rod (13) via a motor (15).

2. A blood puncture auxiliary device according to claim 1, characterized in that: The fixing ring (10) is a tough arc-shaped structure. A bonding layer (16) is provided on the inner side wall of the fixing ring (10). The bonding layer (16) comprises a moisture absorption layer (17) and an anti-slip layer (18).

3. A blood puncture auxiliary device according to claim 2, characterized in that: The anti-slip layer (18) is provided with a plurality of groups of air holes, and the diameter of the air holes is 1 to 1.2 mm.

4. A blood puncture auxiliary device according to claim 3, characterized in that: The outer surface of the anti-slip layer (18) is evenly provided with a plurality of groups of hemispherical protrusions (19), the radius of the hemispherical protrusions (19) is 0.3-0.5 mm, and the hemispherical protrusions (19) are used to increase the friction force when the anti-slip layer (18) contacts the arm.

5. A blood puncture auxiliary device according to claim 4, characterized in that: The puncture needle holder (12) comprises a fixing groove (20) and an inner fixing nut (21), wherein the fixing groove (20) is a channel which is wide at the front and narrow at the rear, the fixing groove (20) is used for passing the puncture needle, and the inner fixing nut (21) is used for fixing the position of the puncture needle.

6. A blood puncture auxiliary device according to claim 5, characterized in that: The rotating handle (14) is fixedly connected to the fixing groove (20), and the rotating handle (14) is rotationally connected to the connecting rod (13) via the motor (15).

7. A blood puncture auxiliary device according to claim 6, characterized in that: The puncture angle adjuster (11) further comprises a controller, wherein a control panel is arranged inside the controller, and the controller is used to control the motor (15) to adjust the angle of the rotating handle (14).

8. A blood puncture auxiliary device according to claim 7, characterized in that: The fixing groove (20) comprises a front end and a rear end, the recessed width of the front end is 2.5 to 3 mm, and the recessed width of the rear end is 1.2 to 2 mm.

9. A blood puncture auxiliary device according to claim 8, characterized in that: An indicator line is arranged at the exact center of the top end of the fixing groove (20), and the indicator line is used to indicate the needle path.

10. A blood puncture auxiliary device according to claim 9, characterized in that: A charging port is provided on one side of the connecting rod (13), a power supply is provided inside the charging port, and the power supply is electrically connected to the motor (15) and the controller respectively.

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