Disposable multifunctional blood collector

Abstract

The utility model discloses a disposable multifunctional blood collector. Relates to the technical field of medical instruments, and adopts the technical scheme that a needle holder, a blood taking needle and a safety assembly are adopted, a plurality of strip-shaped blocks are fixedly installed on the periphery of the needle holder, a cylindrical base is fixedly installed at the center of the upper surface of the needle holder, and internal threads are formed in the inner wall of the cylindrical base; and the internal thread in the cylindrical base is in threaded connection with a safety assembly. The infusion apparatus can be used for sampling blood, and other liquid medicine can be mixed into the infusion apparatus through the forked hose according to actual use requirements; the safety assembly and the needle holder are spirally fixed through a machine, so that the safety assembly and the needle holder are fixed, the situation that blood sampling is affected by shaking of a needle head is avoided, meanwhile, the rubber sleeve is arranged at one end of the blood sampling needle, the plastic blood sampling tube is arranged at the other end of the blood sampling needle, and therefore the safety performance of the blood sampling needle is fully guaranteed, and the needle tip is prevented from being exposed outside; and bacteria are prevented from polluting the needle tip or stabbing medical care and medical waste treatment personnel.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a disposable multifunctional blood sampling device. Background Art

[0002] Blood sampling and testing is an important means in the current medical field. For ease of use and to avoid cross infection, disposable blood collection devices are now mostly used. Currently, the disposable blood collection devices used by clinics, physical examination institutions and families for blood collection are basically assembled from blood collection needles and needle holders. Most of them are spiral or directly inserted, which has a problem of being unstable and easy to loosen. After the blood collection is completed, if the blood collection needle is directly discarded in an exposed state without taking protective measures, it may injure medical staff and medical waste disposal personnel, thereby causing infectious biological risks, with disastrous consequences; at the same time, most of the blood collection devices on the market are used for blood collection and testing, resulting in a single function and low practicality. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a disposable multifunctional blood collector, which solves the problem that the disposable blood collectors currently used in clinics, physical examination institutions and families for blood collection are basically assembled from a blood collection needle and a needle holder, most of which are spiral or directly inserted, and have a problem of being unstable and easy to loosen. After the blood collection is completed, if the blood collection needle is directly discarded in an exposed state without taking protective measures, it may injure medical staff and medical waste disposal personnel, thereby causing infectious biological risks with disastrous consequences. At the same time, most of the blood collectors on the market are used for blood collection and testing, which leads to the problem of single function and low practicality.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A disposable multifunctional blood collector comprises a needle holder, a blood collection needle and a safety component, wherein a plurality of bar blocks are fixedly installed on the circumference of the needle holder, a cylindrical base is fixedly installed at the center of the upper surface of the needle holder, an internal thread is provided on the inner wall of the cylindrical base, and the internal thread in the cylindrical base is threadedly connected to a safety component, the safety component comprises a blood collection tube, a blood collection needle seat, an external threaded sleeve and a rubber sleeve, a plurality of positioning ribs are fixedly installed on the circumference of the blood collection tube, and a blood collection needle seat is fixedly installed on the bottom end of the blood collection tube.

[0006] Preferably, an external threaded sleeve is fixedly mounted on the bottom end of the blood collection needle seat, a blood collection needle is welded to the bottom end of the external threaded sleeve, a rubber sleeve is mounted on the periphery of the blood collection needle, a through hole is opened in the blood collection tube, and one end of the blood collection needle is mounted in the through hole.

[0007] Preferably, the external thread on the external thread sleeve matches the internal thread in the cylindrical base.

[0008] Preferably, the blood collection tube is made of plastic material.

[0009] Preferably, the top of the blood collection tube is in a pointed cone shape.

[0010] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0011] The disposable multifunctional blood collector provided by the utility model can not only collect blood, but also mix other liquid medicines in the infusion tube through the bifurcated hose according to actual use needs; the safety component and the needle holder are screwed together by a machine, so that the safety component and the needle holder are fixed firmly, so that the needle will not shake and affect the blood collection. At the same time, a rubber sleeve is provided at one end of the blood collection needle, and a blood collection tube is wrapped at the other end, so that the safety performance of the blood collection needle is fully guaranteed, the needle tip is prevented from being exposed to the outside world, and bacteria are prevented from contaminating the needle tip or stabbing medical staff and medical waste disposal personnel;

[0012] The internal thread in the cylindrical base and the external thread on the external thread sleeve of the utility model are both standard threads and can be used universally. After blood collection, the safety component is thrown into the waste collection device. When blood collection is needed again, a new safety component is screwed into the needle holder by a machine and reused, which can greatly reduce the pollution of the secondary use of the blood collection needle, thereby improving the safety of blood collection for medical staff;

[0013] The utility model sets the top of the blood collection tube in a pointed cone shape, which reduces resistance and makes insertion easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model.

[0015] Figure 2 It is a partial cross-sectional view of the utility model.

[0016] Figure 3 It is a separated three-dimensional diagram of the utility model.

[0017] Figure 4 This is a schematic diagram of Example 1 of the present utility model.

[0018] Figure 5 This is a schematic diagram of Example 2 of the present utility model.

[0019] In the figure: 1. needle holder; 2. blood collection tube; 3. positioning rib; 4. blood collection needle seat; 5. external thread sleeve; 6. rubber sleeve; 7. blood collection needle; 8. through hole; 9. strip block; 10. columnar base; 11 safety component. DETAILED DESCRIPTION

[0020] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0021] According to an embodiment of the utility model, a disposable multifunctional blood sampling device is provided.

[0022] Embodiment 1:

[0023] As shown in the attached figure of the instruction manual Figure 1 As shown, a disposable multifunctional blood collector comprises a needle holder 1, a blood collection needle 7, and a safety component 11. A plurality of bar blocks 9 are fixedly installed on the circumference of the needle holder 1, a cylindrical base 10 is fixedly installed at the center of the upper surface of the needle holder 1, an inner thread is provided on the inner wall of the cylindrical base 10, and the inner thread in the cylindrical base 10 is threadedly connected with a safety component 11. The safety component 11 comprises a blood collection tube 2, a blood collection needle seat 4, an external threaded sleeve 5 and a rubber sleeve 6, a plurality of positioning ribs 3 are fixedly installed on the circumference of the blood collection tube 2, and a blood collection needle seat 4 is fixedly installed on the bottom end of the blood collection tube 2.

[0024] A blood collection needle 6 is welded to the bottom end of the external threaded sleeve 5, and a rubber sleeve 7 is installed on the periphery of the blood collection needle 6. A through hole 8 is opened in the blood collection tube 2, and one end of the blood collection needle 6 is installed in the through hole 8. By arranging the rubber sleeve 7 at one end of the blood collection needle 6 and wrapping the blood collection tube 2 at the other end, the safety performance of the blood collection needle is fully guaranteed, and the needle tip is prevented from being exposed to the outside world, and bacteria are prevented from contaminating the needle tip or stabbing medical staff and medical waste disposal personnel.

[0025] A plurality of positioning ribs 3 are fixedly installed on the outer circumference of the blood sampling tube 2, so that the blood sampling tube 2 can be inserted into the infusion set or the blood sampling hose to be more sealed and avoid exposure to air.

[0026] The external thread on the external thread sleeve 5 cooperates with the internal thread in the cylindrical base 10, adopts standard thread, can be universal, can greatly reduce the pollution of secondary use of the blood collection needle, thereby improving the safety of blood collection for medical staff.

[0027] The top of the blood collection tube 2 is in a pointed cone shape, which has little resistance and makes it easier to insert.

[0028] Embodiment 2:

[0029] As shown in the attached figure of the instruction manual Figure 1 , Figure 2 and Figure 3As shown, a disposable multifunctional blood collector is firstly screwed tightly with a needle holder 1 and a safety component 11 by a machine to prevent loosening due to manual tightening. Then, a blood collection tube 2 is inserted into a blood collection hose rubber plug, and the positioning rib 3 is used to seal the plug to prevent exposure to air. The patient is punctured through the puncture end of a blood collection needle 6. After the puncture is successful, a vacuum blood collection tube is inserted into the cavity at the rear end of the needle holder 1. Under the negative pressure of the vacuum blood collection tube, blood is sucked into the vacuum blood collection tube. After the blood collection is completed, the puncture end of the blood collection needle 6 is pulled out to stop bleeding locally. Then, the safety component is rotated off the needle holder 1 by a machine, and then the safety component 11 is Thrown into the waste collection device, since one end of the blood collection needle 6 is provided with a rubber sleeve 7 and the other end is wrapped with a blood collection tube 2, the safety performance of the blood collection needle is fully guaranteed, the needle tip is prevented from being exposed to the outside world, and bacteria are prevented from contaminating the needle tip or stabbing medical staff and medical waste treatment personnel; at the same time, the internal thread in the cylindrical base 10 and the external thread on the external thread sleeve 5 in the utility model are both standard screw threads and can be used universally, so when blood needs to be drawn again, the new safety component 11 is tightened in the needle holder 1 by the machine and used again, which can greatly reduce the pollution caused by the secondary use of the blood collection needle 6, thereby improving the safety of blood collection for medical staff.

[0030] Embodiment three:

[0031] As shown in the attached figure of the instruction manual Figure 1 , Figure 2 and Figure 4 As shown, when a patient needs to be infused and a certain liquid medicine needs to be added due to an emergency, the needle holder 1 and the safety component 11 are firstly screwed tight by a machine to prevent loosening due to manual tightening. Then, the blood collection tube 2 is inserted into the rubber plug on the bifurcated hose, and the positioning rib 3 is used to seal it to avoid exposure to air. The vacuum liquid medicine tube is inserted into the cavity at the rear end of the needle holder 1. Under the negative pressure of the vacuum liquid medicine tube, the liquid medicine is injected into the infusion set through the needle holder 1 without suspending the infusion, thereby reducing the workload of medical staff and causing unnecessary waste and delay in diagnosis and treatment.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A disposable multifunctional blood sampling device, characterized in that: The invention comprises a needle holder (1), a blood collection needle (7), and a safety component (11). A plurality of strip blocks (9) are fixedly mounted on the outer circumference of the needle holder (1). A cylindrical base (10) is fixedly mounted at the center of the upper surface of the needle holder (1). An internal thread is formed on the inner wall of the cylindrical base (10). The internal thread in the cylindrical base (10) is threadedly connected to a safety component (11). The safety component (11) comprises a blood collection tube (2), a blood collection needle seat (4), an external thread sleeve (5), and a rubber sleeve (6). A plurality of positioning ribs (3) are fixedly mounted on the outer circumference of the blood collection tube (2). A blood collection needle seat (4) is fixedly mounted at the bottom end of the blood collection tube (2).

2. A disposable multifunctional blood sampling device according to claim 1, characterized in that: An external threaded sleeve (5) is fixedly mounted on the bottom end of the blood collection needle seat (4), a blood collection needle (7) is welded to the bottom end of the external threaded sleeve (5), a rubber sleeve (6) is mounted on the periphery of the blood collection needle (7), a through hole (8) is provided in the blood collection tube (2), and one end of the blood collection needle (7) is mounted in the through hole (8).

3. A disposable multifunctional blood sampling device according to claim 2, characterized in that: The external thread on the external thread sleeve (5) matches the internal thread in the cylindrical base (10).

4. A disposable multifunctional blood sampling device according to claim 1, characterized in that: The blood collection tube (2) is made of plastic material.

5. A disposable multifunctional blood sampling device according to claim 1, characterized in that: The top of the blood collection tube (2) is in a pointed cone shape.

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