Peripheral blood taking needle capable of automatically collecting blood sample

Abstract

The utility model discloses a tip blood taking needle capable of automatically collecting a blood sample, and particularly relates to the field of tip blood sampling, the tip blood taking needle comprises a device main body, and the middle part of the surface of one side of the device main body is fixedly connected with a connecting end; the needle body is connected to the middle of the connecting end in an embedded mode, and the needle head is fixedly connected to the other side of the needle body. When the blood sampling device is used, the connecting end of the device body is firmly connected with a needle body to ensure that the blood sampling process is stable, the needle cap protects the needle head and prevents pollution, the connector is connected with a blood sampling tube to facilitate collection of blood samples, the nested threaded shaft facilitates fixation of the blood sampling tube, and the embedded cavity, the piston disc, the elastic rod, the pressing rod and the like form a blood sampling power system. The piston disc can be driven to move through easy operation of the pressing rod, blood sampling is automatically completed, the friction force between the device body and the palm of a user is enhanced through the non-slip mat, the use safety is improved, the whole device is compact in design and easy and convenient to operate, and the blood sampling efficiency and safety are greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of peripheral blood sampling, and more specifically, to a peripheral blood sampling needle capable of automatically collecting blood samples. Background Art

[0002] The terminal blood collection needle is a simple blood collection needle, which is often used for collecting blood samples from the distal parts such as fingers and earlobes. This patent discloses a new structure of the terminal blood collection needle and its manufacturing method, which solves the drawback that the terminal blood collection needle has been produced by a single injection molding method for decades, thereby making great progress in its production efficiency, manufacturing cost, needle tip protection, environmental protection, and safe recycling of medical waste;

[0003] After searching, the existing patent (application number: 201721618032.3) discloses a peripheral blood collection needle, including a shell, a front cover arranged at the front end of the shell and a rear cover arranged at the rear end of the shell, the shell is provided with a trigger connected to the front cover and the rear cover inside, the trigger includes an opening, elastic arms respectively arranged at both sides of the end of the opening, and hooks respectively facing inward and perpendicular to the ends of the two elastic arms, a number of anti-slip bumps are evenly arranged around the opening, a needle rod is arranged inside the trigger, a needle core is provided inside the needle rod that is integrally molded with the needle rod, and the needle head of the needle core is fixed on the bottom inner wall of the needle rod. The utility model effectively guarantees the safety and efficiency of puncture, avoids the risk of bacterial infection, the puncture depth is constant and the time is short, the puncture time is short, the puncture pain is minimal, the psychological tension of the punctured person is reduced, and the work efficiency of medical staff is improved. In the process of realizing the utility model, the inventor found that the prior art has the following problems:

[0004] This type of terminal blood collection needle has poor functionality. It lacks automatic collection and sealing mechanisms in its design. In addition, although the anti-slip bumps inside its trigger can improve the grip stability, it lacks more comprehensive anti-slip measures. At the same time, the device does not mention the settings of the blood collection tube and piston disk, which may limit its application in automated collection and sample preservation, thereby affecting the overall convenience and efficiency of use;

[0005] Therefore, in order to solve the above problems, a peripheral blood collection needle with automatic blood sample collection is proposed. Utility Model Content

[0006] In order to overcome the above defects of the prior art, the utility model provides a peripheral blood collection needle with automatic blood sample collection function to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a peripheral blood collection needle with automatic blood sample collection, comprising a device main body, a connecting end is fixedly connected to the middle part of one side surface of the device main body; a needle body is embedded and connected to the middle part of the connecting end, a needle head is fixedly connected to the other side of the needle body, a needle cap is nested and connected to the surface of the needle head, a connecting head is fixedly connected to one side of the surface of the needle body, a blood collection tube is fixedly connected to the other side of the connecting head, a nested threaded shaft is nested and connected to both sides of the surface of the blood collection tube, an embedded cavity is penetrated and connected inside the device main body, a piston disk is embedded and connected inside one side of the blood collection tube, an elastic rod is fixedly connected to the middle part of one side of the surface of the piston disk, and a pressing rod is fixedly connected to one side of the surface of the elastic rod.

[0008] Preferably, a non-slip pad is tightly fitted on the hollowed-out portion of the surface of the device body.

[0009] Preferably, a limiting bead is fixedly connected inside one side of the needle cap.

[0010] Preferably, the device body, the needle body and the needle head are arranged in sequence on the left and right, and a needle cap is embedded on the surface of the needle head.

[0011] Preferably, the blood collection tube is embedded in the hollow portion of the embedded cavity, and the nested threaded shafts on both sides of the surface of the blood collection tube form a connected and fixed structure with the embedded cavity.

[0012] Preferably, the outer wall of the piston disk is connected to one side of the inner wall of the blood collection tube, and a pressing rod and an elastic rod are provided to flexibly press and adjust the position of the piston disk.

[0013] Preferably, the anti-slip pad is attached to the outer wall of the device body to increase the stability of the hand grip.

[0014] Preferably, the limiting beads are semicircular in shape and are symmetrically distributed on the left and right, and are embedded in the inner wall of the outer end of the needle cap and connected with both sides of the surface of one end of the needle body.

[0015] Technical effects and advantages of the utility model:

[0016] Compared with the prior art, when this type of peripheral blood collection needle with automatic blood sample collection is in use, the connecting end of the device body is firmly connected to the needle body to ensure a stable blood collection process, the needle cap protects the needle to prevent contamination, the connecting head is connected to the blood collection tube to facilitate the collection of blood samples, the nested threaded shaft is convenient for fixing the blood collection tube, the embedded cavity and piston disk, elastic rod, pressing rod, etc. constitute the power system for blood collection, the piston disk can be easily driven to move by pressing the pressing rod to automatically complete blood collection, and the anti-slip pad enhances the friction between the device body and the user's palm, thereby improving the safety of use. The entire device is compact in design and easy to operate, which greatly improves the efficiency and safety of blood collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the front view structure of the overall needle body of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the enlarged point A of the utility model as a whole.

[0020] Figure 4 It is a front view structural diagram of the overall device body of the utility model.

[0021] The accompanying drawings are marked as follows: 1. device body; 2. connecting end; 3. needle body; 4. needle head; 5. needle cap; 6. limiting bead; 7. connecting head; 8. nested threaded shaft; 9. blood collection tube; 10. pressing rod; 11. elastic rod; 12. piston disk; 13. embedded cavity; 14. anti-slip pad. DETAILED DESCRIPTION

[0022] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0023] Embodiment 1

[0024] As attached Figure 1-4 The shown embodiment is a peripheral blood collection needle with automatic blood sample collection, comprising a device body 1, a connecting end 2 is fixedly connected to the middle part of one side surface of the device body 1; a needle body 3 is embedded and connected to the middle part of the connecting end 2, a needle head 4 is fixedly connected to the other side of the needle body 3, a needle cap 5 is nested and connected to the surface of the needle head 4, a connecting head 7 is fixedly connected to one side of the surface of the needle body 3, a blood collection tube 9 is fixedly connected to the other side of the connecting head 7, and nested threaded shafts 8 are nested and connected to both sides of the surface of the blood collection tube 9, an embedded cavity 13 is penetrated and connected inside the device body 1, a piston disk 12 is embedded and connected inside one side of the blood collection tube 9, an elastic rod 11 is fixedly connected to the middle part of one side of the surface of the piston disk 12, a pressing rod 10 is fixedly connected to one side of the surface of the elastic rod 11, and an anti-slip pad 14 is tightly fitted to the hollow part of the surface of the device body 1.

[0025] Among them: the connecting end 2 of the device body 1 is firmly connected to the needle body 3 to ensure the stability of the blood collection process, the needle cap 5 protects the needle 4 to prevent contamination, the connector 7 is connected to the blood collection tube 9 to facilitate the collection of blood samples, the nested threaded shaft 8 is convenient for fixing the blood collection tube 9, the embedded cavity 13 and the piston disk 12, the elastic rod 11, the pressing rod 10, etc. constitute the power system for blood collection, and the piston disk 12 can be easily driven to move by the pressing rod 10 to automatically complete the blood collection, and the anti-slip pad 14 enhances the friction between the device body 1 and the user's palm, thereby improving the safety of use. The entire device is compact in design and easy to operate, which greatly improves the efficiency and safety of blood collection.

[0026] Embodiment 2

[0027] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:

[0028] like Figure 3 As shown, as a preferred embodiment; a limiting bead 6 is fixedly connected to the inside of one side of the needle cap 5. Further, the limiting bead 6 ensures that the needle cap 5 can be tightly fixed on the needle 4 to prevent the needle 4 from being accidentally exposed or the needle cap 5 from loosening and falling off, thereby improving safety and convenience during use.

[0029] The working process of the utility model is as follows:

[0030] When the peripheral blood collection needle with automatic blood sample collection is in use, the connecting end 2 of the device body 1 is firmly connected to the needle body 3 to ensure a stable blood collection process. The needle cap 5 protects the needle 4 to prevent contamination. The connector 7 is connected to the blood collection tube 9 to facilitate the collection of blood samples. The nested threaded shaft 8 is convenient for fixing the blood collection tube 9. The embedded cavity 13 and the piston disk 12, the elastic rod 11, the pressing rod 10, etc. constitute a power system for blood collection. The piston disk 12 can be easily driven to move by pressing the pressing rod 10 to automatically complete blood collection. The anti-slip pad 14 enhances the friction between the device body 1 and the user's palm and improves the safety of use. The entire device is compact in design and easy to operate, which greatly improves the blood collection efficiency and safety. This is the working process and working principle of the device.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A peripheral blood collection needle with automatic blood sample collection function, comprising a device body (1), characterized in that: A connecting end (2) is fixedly connected to the middle portion of one side surface of the device body (1); A needle body (3) is embedded and connected in the middle part of the connecting end (2); a needle head (4) is fixedly connected to the other side of the needle body (3); a needle cap (5) is nested and connected on the surface of the needle head (4); a connector (7) is fixedly connected to one side of the surface of the needle body (3); a blood collection tube (9) is fixedly connected to the other side of the connector (7); a nested threaded shaft (8) is nested and connected on both sides of the surface of the blood collection tube (9); an embedded cavity (13) is penetrated and connected inside the device body (1); a piston disc (12) is embedded and connected inside one side of the blood collection tube (9); an elastic rod (11) is fixedly connected to the middle part of one side of the surface of the piston disc (12); and a pressing rod (10) is fixedly connected to one side of the surface of the elastic rod (11).

2. A peripheral blood collection needle with automatic blood sample collection function according to claim 1, characterized in that: An anti-slip pad (14) is tightly fitted on the hollowed-out portion of the surface of the device body (1).

3. A peripheral blood collection needle with automatic blood sample collection function according to claim 1, characterized in that: A limiting bead (6) is fixedly connected inside one side of the needle cap (5).

4. A peripheral blood collection needle with automatic blood sample collection function according to claim 1, characterized in that: The device body (1), the needle body (3), and the needle head (4) are arranged in sequence on the left and right, and a needle cap (5) is embedded on the surface of the needle head (4).

5. The peripheral blood collection needle with automatic blood sample collection function according to claim 1, characterized in that: The blood collection tube (9) is embedded in the hollow portion of the embedded cavity (13), and the embedded threaded shafts (8) on both sides of the surface of the blood collection tube (9) and the embedded cavity (13) form a connected and fixed structure.

6. The peripheral blood collection needle with automatic blood sample collection function according to claim 1, characterized in that: The outer wall of the piston disc (12) is connected to one side of the inner wall of the blood collection tube (9), and a pressing rod (10) and an elastic rod (11) are provided to flexibly press and adjust the position of the piston disc (12).

7. A peripheral blood collection needle with automatic blood sample collection function according to claim 2, characterized in that: The anti-slip pad (14) is attached to the outer wall of the device body (1) to increase the stability of the hand grip.

8. The peripheral blood collection needle with automatic blood sample collection function according to claim 3, characterized in that: The limiting beads (6) are semicircular in shape and are symmetrically distributed on the left and right sides, and are embedded in the inner wall of the outer end of the needle cap (5) and connected to both sides of the surface of one end of the needle body (3).

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