Separable safe vein blood taking needle
By designing vacuum blood collection tubes and vibration and shaking storage devices in the blood collection needle, the blood droplets and coagulation problems after blood collection are solved, the needle is sealed and conveniently separated, and the safety and environmental protection of the blood collection process are improved.
Patent Information
- Application Number
- CN202420679902.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-03
AI Technical Summary
Existing blood collection needles may cause blood drops to contaminate the environment after being removed, and patients with hypercoagulant blood are prone to coagulation during blood drawing, which is difficult to effectively prevent.
A separable safe venous blood collection needle is designed, including vacuum blood collection tubes and vibration and shaking storage device, which fixes the vacuum blood collection tubes through suction cups, adjusts the angle of the turntable, prevents coagulation by limiting plates and rotating shafts, and uses elastic latches and latches. Achieve sealing and convenient separation of needles.
It effectively prevents blood drop contamination, reduces the risk of coagulation, improves the safety and environmental protection of the blood collection process, and improves the convenience and comfort of operation.
Smart Images
Figure CN222237677U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical instruments, in particular to a detachable safety venous blood collection needle. Background Art
[0002] With the advancement of medical technology, various advanced medical devices have provided great convenience for people. More and more people are starting to have regular physical examinations. In the comprehensive examination process, blood tests are indispensable. According to statistics, blood collection needles are one of the most consumed medical device products on the market.
[0003] A blood collection needle is a medical device used to obtain blood samples from a patient, usually consisting of a needle, a connecting tube, and a handle. After use, it should be discarded as medical waste to ensure medical safety and prevent the spread of infectious diseases.
[0004] The needle at the blood injection end of the blood collection needle connected to the stopper of the vacuum blood collection tube used in the hospital may leak blood and pollute the environment after the blood collection tube is removed, and patients in a hypercoagulable state may experience coagulation during the blood drawing process. Utility Model Content
[0005] The utility model aims to provide a detachable safe venous blood collection needle in order to solve the above-mentioned problems of blood dripping from the needle at the blood injection end of the bottle plug and blood coagulation during the blood collection process.
[0006] The technical solution adopted by the utility model is as follows: a detachable safe venous blood sampling device, comprising a blood sampling needle body, a vacuum blood sampling tube is arranged at the lower end of the blood sampling needle body, and a detachable vibration and shaking vacuum blood sampling tube storage device is attached to the outside of the vacuum blood sampling tube. A bottle plug blood injection end needle is arranged inside the vacuum blood sampling tube, a connecting tube is arranged at the upper end of the bottle plug blood injection end needle, a hose is arranged at the other end of the connecting tube, a connecting sleeve is arranged at the other end of the hose, a blood sampling needle is arranged at the lower end of the connecting sleeve, a needle cap is sleeved on the outer surface of the blood sampling needle, a needle handle corresponding to the blood sampling needle is arranged on the outer surface of the lower end of the connecting sleeve, a storage tube corresponding to the bottle plug blood injection end needle is arranged on one side of the connecting sleeve, an elastic card is arranged inside the upper end of the storage tube, and a limit block corresponding to the elastic card is arranged on the outer side of the upper end of the bottle plug blood injection end needle.
[0007] By adopting the above technical solution and the above design, the injection needle of the used blood collection needle can be sealed to prevent environmental pollution and improve environmental protection and safety.
[0008] In a preferred embodiment, a regulator is provided on the outer surface of one end of the hose.
[0009] By adopting the above technical solution, the regulator can control the speed of blood collection, and can also control the blood outflow when blood collection is stopped.
[0010] In a preferred embodiment, a suction cup corresponding to the vacuum blood collection tube is provided below the blood collection needle body, a turntable is rotatably connected inside the upper end of the suction cup, a bearing base is provided at the upper end of the turntable, fixed blocks are provided on both sides of the upper surface of the bearing base, a blood collection tube storage tube is rotatably connected between the fixed blocks, and the vacuum blood collection tube is inserted into the blood collection tube storage tube.
[0011] By adopting the above technical solution, the vacuum blood collection tube is fixed on the desktop by suction of the suction cup, and placed in the blood collection tube storage tube, so that the vacuum blood collection tube can be fixed during blood collection, and the medical staff does not need to hold it all the time. At the same time, the turntable drives the supporting base to rotate, and the horizontal angle of the vacuum blood collection tube can be adjusted to facilitate blood outflow.
[0012] In a preferred embodiment, a movable groove is provided on the upper surface of the fixed block, a reset spring is installed inside the movable groove, a clamping ring corresponding to the vacuum blood collection tube is installed on the other end of the reset spring, a cavity is provided inside the fixed block, a pressing block is inserted into the cavity, the other end of the pressing block is arranged on the outer surface of the fixed block, a traction wire is provided on one side of the clamping ring, and the other end of the traction wire passes through the interior of the reset spring and is arranged on one side of the pressing block.
[0013] By adopting the above technical solution, when the vacuum blood collection tube is placed in the blood collection tube storage tube, the clamping rings are brought into contact with each other under the elastic action of the reset spring, thereby fixing the vacuum blood collection tube and preventing it from being easily detached. When blood collection is completed, the vacuum blood collection tube and the blood collection tube storage tube need to be separated, the pressing block is squeezed, and the clamping ring is pulled by the traction line. Furthermore, the clamping rings are separated from each other, so that the vacuum blood collection tube can be easily separated and taken out from the blood collection tube storage tube, thereby improving convenience.
[0014] In a preferred embodiment, a rotating groove is opened inside the fixed block, and a rotating shaft is rotatably connected inside the rotating groove. The other end of the rotating shaft is arranged on the outer surface of the blood collection tube storage tube, a limiting plate is arranged on one side of the rotating shaft, and a limiting rotating groove corresponding to the limiting plate is opened on one side of the rotating groove.
[0015] By adopting the above technical solution, the shaft rotates in the rotating groove, and the limiting rotating groove limits the rotation of the limiting plate, so that the vacuum blood collection tube can be rotated gently at a low speed during blood collection to prevent blood clotting during the blood drawing process.
[0016] In a preferred embodiment, the outer surface of the needle handle is provided with anti-slip grooves.
[0017] By adopting the above technical solution, the friction between the medical staff and the hands is increased, which is more conducive to the operation of the medical staff and improves the comfort of use.
[0018] In a preferred embodiment, a sticking groove is formed on one side surface of the needle handle, a medical tape is stuck on the surface of the sticking groove, and one side of the medical tape is fixedly connected to one side of the sticking groove.
[0019] By adopting the above technical solution, when drawing blood, the sticker is torn off and pasted on the surface of the wrist, which makes it convenient to fix the blood collection needle on the wrist during the blood collection process to prevent the needle from falling off. There is no need for the staff to press manually all the time, which improves convenience.
[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0021] 1. The used needle at the blood injection end of the bottle stopper can be fixed inside the storage tube to prevent the residual blood in the blood injection end needle from dripping and polluting the environment, making it convenient to handle and improving environmental protection.
[0022] 2. The vacuum blood collection tube can be fixed by the blood collection tube storage tube, so medical staff do not need to hold it all the time. At the same time, the rotation of the bearing base and the shaft can make the vacuum blood collection tube rotate gently at a low speed during blood collection, preventing patients from being in a hypercoagulable state and causing blood clotting. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the overall structure of the blood collection needle in the utility model;
[0024] Figure 2 It is a schematic diagram of the plane structure of the storage tube in the utility model;
[0025] Figure 3 For the utility model Figure 2 A magnified view of middle;
[0026] Figure 4 This is a schematic diagram of the planar structure of the suction cup device in the utility model;
[0027] Figure 5 For the utility model Figure 4 Enlarged view of middle B;
[0028] Figure 6 This is a schematic diagram of the internal structure of the limit rotating shaft in the utility model;
[0029] Figure 7 The utility model is a schematic diagram of the overall structure of the Chinese medical tape.
[0030] Markings in the figure: 1. Blood collection needle body; 2. Regulator; 3. Hose; 4. Connecting sleeve; 5. Storage tube; 6. Needle handle; 7. Needle cap; 8. Fixing block; 9. Suction cup; 10. Load-bearing base; 11. Blood collection tube storage tube; 12. Vacuum blood collection tube; 13. Connecting tube; 14. Needle at the blood injection end of the bottle stopper; 15. Elastic clamping plate; 16. Limiting block; 17. Snap ring; 18. Turntable; 19. Reset spring; 20. Rotating shaft; 21. Cavity; 22. Pressing block; 23. Pulling line; 24. Movable groove; 25. Limiting plate; 26. Rotating groove; 27. Limiting rotating groove; 28. Medical tape; 29. Pasting groove. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0032] Reference Figure 1-3 and Figure 7 The detachable safety venous blood collection needle comprises a blood collection needle body 1, a vacuum blood collection tube 12 is arranged at the lower end of the blood collection needle body 1, a bottle plug blood injection end needle 14 is arranged inside the vacuum blood collection tube 12, a connecting tube 13 is arranged at the upper end of the bottle plug blood injection end needle 14, a hose 3 is arranged at the other end of the connecting tube 13, a connecting sleeve 4 is arranged at the other end of the hose 3, a blood collection needle is arranged at the lower end of the connecting sleeve 4, a needle cap 7 is sleeved on the outer surface of the blood collection needle, a needle handle 6 corresponding to the blood collection needle is arranged on the outer surface of the lower end of the connecting sleeve 4, a storage tube 5 corresponding to the bottle plug blood injection end needle 14 is arranged on one side of the connecting sleeve 4, an elastic card plate 15 is arranged inside the upper end of the storage tube 5, and a limit block 16 corresponding to the elastic card plate 15 is arranged on the outer side of the upper end of the bottle plug blood injection end needle 14. Through the above design, the used blood collection needle body 1 can be sealed to prevent accidental injury and environmental pollution, thereby improving environmental protection and safety.
[0033] Reference Figure 1 A regulator 2 is provided on the outer surface of one end of the hose 3. The regulator 2 can control the speed of blood collection and also control the blood outflow when blood collection is stopped.
[0034] Reference Figure 1 and Figure 4-6A suction cup 9 corresponding to the vacuum blood collection tube 12 is arranged below the blood collection needle body 1, and a turntable 18 is rotatably connected inside the upper end of the suction cup 9, and a bearing base 10 is arranged on the upper end of the turntable 18. Fixed blocks 8 are arranged on both sides of the upper surface of the bearing base 10, and a blood collection tube storage tube 11 is rotatably connected between the fixed blocks 8. The vacuum blood collection tube 12 is inserted into the blood collection tube storage tube 11, and is fixed to the desktop by the suction of the suction cup 9. The vacuum blood collection tube 12 is placed in the blood collection tube storage tube 11, so that the vacuum blood collection tube 12 can be fixed during blood collection, and the medical staff does not need to hold it all the time. At the same time, the turntable 18 drives the bearing base 10 to rotate, and the horizontal angle of the vacuum blood collection tube 12 can be adjusted to improve convenience.
[0035] Reference Figure 4-5 The upper surface of the fixed block 8 is provided with a movable groove 24, a reset spring 19 is installed inside the movable groove 24, and a clamping ring 17 corresponding to the vacuum blood collection tube 12 is installed at the other end of the reset spring 19. A cavity 21 is provided inside the fixed block 8, and a pressing block 22 is inserted into the cavity 21. The other end of the pressing block 22 is arranged on the outer surface of the fixed block 8, and a traction line 23 is arranged on one side of the clamping ring 17. The other end of the traction line 23 passes through the interior of the reset spring 19 and is arranged on one side of the pressing block 22. When the vacuum blood collection tube 12 is When the tube 12 is placed inside the blood collection tube storage tube 11, under the elastic action of the return spring 19, the clamping rings 17 are brought into contact with each other, thereby fixing the vacuum blood collection tube 12 and preventing it from being easily separated. When the blood collection is completed, the vacuum blood collection tube 12 and the blood collection tube storage tube 11 need to be separated, the pressing block 22 is squeezed, and the clamping ring 17 is pulled by the traction line 23. Further, the clamping rings 17 are separated from each other, so that the vacuum blood collection tube 12 can be easily separated and taken out from the blood collection tube storage tube 11, thereby improving convenience.
[0036] Reference Figure 6 A rotation groove 26 is provided inside the fixed block 8, and a rotation shaft 20 is rotatably connected inside the rotation groove 26. The other end of the rotation shaft 20 is arranged on the outer surface of the blood collection tube storage tube 11. A limit plate 25 is provided on one side of the rotation shaft 20, and a limit rotation groove 27 corresponding to the limit plate 25 is provided on one side of the rotation groove 26. The rotation of the rotation shaft 20 in the rotation groove 26 and the rotation limit of the limit plate 25 by the limit rotation groove 27 can realize a small shaking of the vacuum blood collection tube 12 during blood collection, which is convenient to use and improves convenience.
[0037] Reference Figure 1 Figure 7 The outer surface of the needle handle 6 is provided with anti-slip grooves to increase the friction between the needle handle and the hands of medical staff, which is more conducive to the operation of medical staff and improves the comfort of use.
[0038] Reference Figure 7A sticking groove 29 is provided on one side surface of the needle handle 6, and a medical tape 28 is stuck on the surface of the sticking groove 29. One side of the medical tape 28 is fixedly connected to one side of the sticking groove 29. When drawing blood, the tape is torn off and stuck on the surface of the wrist. During the blood drawing process, the blood drawing needle can be fixed on the wrist to prevent the needle from falling off. There is no need for the staff to press manually all the time, which improves convenience.
[0039] The implementation principle of the embodiment of the utility model of the detachable safety venous blood collection needle is as follows:
[0040] When the blood collection is completed, the needle 14 at the blood injection end of the bottle stopper is pulled out from the vacuum blood collection tube 12, and further, the needle 14 at the blood injection end of the bottle stopper is inserted into the storage tube 5. Under the elastic force of the elastic clamp 15, the elastic clamp 15 will return to its original state, and the lower end of the elastic clamp 15 will abut against the limit block 16 to fix the needle 14 at the blood injection end of the bottle stopper inside the storage tube 5 to prevent it from falling off.
[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A detachable safety venous blood collection needle, comprising a blood collection needle body (1), characterized in that: A vacuum blood collection tube (12) is arranged at the lower end of the blood collection needle body (1), a bottle stopper blood injection end needle (14) is arranged inside the vacuum blood collection tube (12), a connecting tube (13) is arranged at the upper end of the bottle stopper blood injection end needle (14), a hose (3) is arranged at the other end of the connecting tube (13), a connecting sleeve (4) is arranged at the other end of the hose (3), a blood collection needle is arranged at the lower end of the connecting sleeve (4), a needle cap (7) is sleeved on the outer surface of the blood collection needle, a needle handle (6) corresponding to the blood collection needle is arranged on the outer surface of the lower end of the connecting sleeve (4), a storage tube (5) corresponding to the bottle stopper blood injection end needle (14) is arranged on one side of the connecting sleeve (4), an elastic clamping plate (15) is arranged inside the upper end of the storage tube (5), and a limit block (16) corresponding to the elastic clamping plate (15) is arranged on the outer side of the upper end of the bottle stopper blood injection end needle (14).
2. The detachable safety venous blood collection needle according to claim 1, characterized in that: A regulator (2) is provided on the outer surface of one end of the hose (3).
3. The detachable safety venous blood collection needle according to claim 1, characterized in that: A suction cup (9) corresponding to the vacuum blood collection tube (12) is arranged below the blood collection needle body (1), a turntable (18) is rotatably connected to the interior of the upper end of the suction cup (9), a bearing base (10) is arranged at the upper end of the turntable (18), fixed blocks (8) are arranged on both sides of the upper surface of the bearing base (10), a blood collection tube storage tube (11) is rotatably connected between the fixed blocks (8), and the vacuum blood collection tube (12) is inserted into the interior of the blood collection tube storage tube (11).
4. The detachable safety venous blood collection needle according to claim 3, characterized in that: The upper surface of the fixed block (8) is provided with a movable groove (24), a reset spring (19) is installed inside the movable groove (24), and a clamping ring (17) corresponding to the vacuum blood collection tube (12) is installed at the other end of the reset spring (19). A cavity (21) is provided inside the fixed block (8), a pressing block (22) is inserted into the cavity (21), and the other end of the pressing block (22) is arranged on the outer surface of the fixed block (8). A traction line (23) is arranged on one side of the clamping ring (17), and the other end of the traction line (23) passes through the interior of the reset spring (19) and is arranged on one side of the pressing block (22).
5. The detachable safety venous blood collection needle according to claim 4, characterized in that: A rotation groove (26) is provided inside the fixed block (8), and a rotation shaft (20) is rotatably connected inside the rotation groove (26). The other end of the rotation shaft (20) is arranged on the outer surface of the blood collection tube storage tube (11). A limit plate (25) is provided on one side of the rotation shaft (20), and a limit rotation groove (27) corresponding to the limit plate (25) is provided on one side of the rotation groove (26).
6. The detachable safety venous blood collection needle according to claim 1, characterized in that: The outer surface of the needle handle (6) is provided with anti-slip patterns.
7. The detachable safety venous blood collection needle according to claim 1, characterized in that: A pasting groove (29) is provided on one side surface of the needle handle (6), a medical tape (28) is pasted on the surface of the pasting groove (29), and one side of the medical tape (28) is fixedly connected to one side of the pasting groove (29).