Fingertip hemostix with replaceable needle head

Abstract

The utility model belongs to the technical field of medical instruments, and relates to a fingertip hemostix with a replaceable needle head. Comprising an upper cover, an upper shell and a lower shell, an elastic band is arranged in the middle of the upper portion of the upper cover, the two sides of the elastic band are connected with the upper cover, a rubber column penetrates through the middle of the upper shell and the lower shell, a blood taking needle is arranged in the rubber column, the blood taking needle and the lower shell intersect at a needle outlet, an inserting buckle is arranged on the upper cover, a clamping buckle is arranged on the upper shell, and the clamping buckle is matched with the inserting buckle. The blood taking needle is replaced by the drawstring formed by intersecting the blood taking needle and the rubber top, so that the needle head can be replaced, and the dust-proof film ensures that the needle head can be replaced to be clean and pollution-free. The height of the telescopic rubber column is larger than the sum of the upper shell and the lower shell, so that pressing operation is simple, convenient and easy. According to the utility model, the upper cover and the upper shell body are matched through the buckles and the inserting buckles, and the friction force between the rubber columns and the upper shell body and the lower shell body is large, so that the stability of the shell is ensured, and the shell does not need to be replaced all the time.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical instruments, and in particular relates to a fingertip blood sampling device with a replaceable needle. Background Art

[0002] Finger tip blood collection devices are usually used at the end of the finger, or when acupuncture and bloodletting in traditional Chinese medicine is used to release a small amount of blood within a certain range. However, the needles used in traditional Chinese medicine have different styles and thicknesses, and it is not very convenient to use conventional blood collection devices on the market. For different patients, the only equipment that needs to be replaced is the needle. Conventional blood collection devices are discarded after use, which seems to be wasteful and cumbersome.

[0003] Chinese patent publication number CN210301017U discloses a disposable terminal blood collection needle including a shell, a protective sleeve and a needle handle, one side of the shell is provided with an outlet, the needle handle is located inside the shell, a spring is fixed to the tail of the needle handle, the other end of the spring is fixedly connected to an inner wall of the shell, a needle head is fixed to the head of the needle handle, an elastic plate is fixed to the outer wall of one side of the needle handle, a fixed block is fixed to one side of the elastic plate, and a first limiting hole and a second limiting hole are provided on a side wall of the shell. The utility model has a simple structure, a clever design, and is easy to operate. It solves the problems of complicated structure and inconvenient use of disposable terminal blood collection needles in the prior art, avoids injuries to medical staff during use, and is easy to promote and use. However, it is cumbersome and troublesome to throw away not only the blood collection needle but also the needle tube for disposable use, and the blood collection needle is fixed, so the function of the blood collection needle is also limited.

[0004] In summary, the prior art has the problem that disposable blood collection needles cannot be replaced, which is a strong limitation, and the shell of the blood collection device is wasteful and cumbersome to discard. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, the purpose of the utility model is to provide a fingertip blood collection device with a replaceable needle, which can solve the problems in the prior art that disposable blood collection needles cannot be replaced and have strong limitations, and that the blood collection device shell is wasteful and cumbersome to discard.

[0007] In order to solve the above technical problems, the utility model provides a fingertip blood collector with a replaceable needle, which includes an upper cover, an upper shell, and a lower shell. An elastic band is provided in the middle of the upper cover, and both sides of the elastic band are connected to the upper cover. A rubber column runs through the middle of the upper shell and the lower shell, and a blood collection needle is provided in the rubber column. The rubber column is retractable, and the blood collection needle and the lower shell intersect at a needle outlet. There is a buckle on the upper cover, and there is a snap buckle on the upper shell. The snap buckle and the buckle are matched, and the height of the rubber column is greater than the total height of the upper shell and the lower shell.

[0008] By adopting the above technical solution, in this case, an elastic band is provided in the middle above the upper cover, and the two sides of the elastic band are connected to the upper cover to fix the fingertip blood collection device, which is convenient for users to fix and use the utility model. A rubber column runs through the middle of the upper shell and the lower shell. The friction between the rubber column and the upper shell and the lower shell is large, and the stability is strong. There is a blood collection needle inside the rubber column, and there is a needle outlet hole at the bottom of the lower shell. The rubber column is retractable, which is simple, convenient and easy to operate.

[0009] Optionally, the upper cover, the upper shell and the lower shell are cylindrical, the rubber column is cylindrical or rectangular, and the length of the blood collection needle is consistent with the length of the rubber column.

[0010] By adopting the above technical solution, in this case, the length of the blood collection needle is consistent with the length of the rubber column, and the rubber column is retractable. When the rubber column is retracted, the distance between the upper shell and the lower shell disappears, and the blood collection needle is exposed from the needle outlet hole of the lower shell to achieve the purpose of blood collection.

[0011] Optionally, the blood collection needle has a dustproof cover on the outside, a retractable ring on the dustproof cover, and a rubber top on the upper side of the dustproof cover. The bottom of the blood collection needle has a dustproof film. A drawstring is provided at the intersection of the blood collection needle and the rubber top. The dustproof cover is cylindrical or rectangular. The area of ​​the dustproof film at the bottom of the blood collection needle is larger than the cross section of the needle hole.

[0012] By adopting the above technical solution, in this case, there is a drawstring at the intersection of the blood collection needle and the rubber top. To replace the blood collection needle, there is a dust cover on the outside of the blood collection needle, a telescopic ring on the dust cover, a rubber top on the upper side of the dust cover, and a dust film on the bottom of the blood collection needle with an area larger than the cross-section of the needle hole to control the cleanliness of the needle, so as to achieve the effect of replaceable blood collection needles and prevent pollution.

[0013] In summary, the present invention has at least one of the following beneficial effects:

[0014] The utility model adopts a drawstring where the blood collection needle and the rubber top intersect to replace the blood collection needle, so that different types of needles can be replaced, and the dust-proof film ensures that the replaceable needle is clean and pollution-free.

[0015] The utility model has a retractable rubber column whose height is greater than the sum of the upper shell and the lower shell, and can be operated by pressing, which is simple, convenient and easy to operate.

[0016] The upper cover and the upper shell of the utility model are matched by buckles and plug buckles, and the friction between the rubber column and the upper shell and the lower shell is large, which ensures the stability of the shell of the utility model, so that the shell does not need to be replaced frequently. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a static schematic diagram of a fingertip blood collection device with replaceable needle of the utility model;

[0019] Figure 2 A schematic diagram of pressing a fingertip blood collection device with a replaceable needle according to the utility model;

[0020] Figure 3 A schematic diagram of a needle replacement for a fingertip blood collection device with a replaceable needle according to the utility model;

[0021] Figure 4 A schematic diagram of a replacement needle for a fingertip blood collection device with a replaceable needle according to the utility model;

[0022] Figure 5 This is a bottom schematic diagram of a fingertip blood collection device with a replaceable needle according to the present invention;

[0023] List of illustration symbols: 1. Upper cover; 2. Upper shell; 3. Lower shell; 4. Elastic band; 5. Rubber column; 6. Buckle; 601. Insert buckle; 7. Blood collection needle; 701. Drawstring; 702. Rubber top; 703. Dustproof cover; 704. Retractable ring; 705. Dustproof membrane; 8. Needle hole. Implementation

[0024] The following is combined with Figure 1-5 The utility model is further described in detail.

[0025] Embodiment 1, refer to Figure 1-3In order to solve the problem that the disposable blood collection needle cannot be replaced in the prior art, and the blood collection device shell is wasteful and cumbersome to discard, the present embodiment is designed to solve the problem that the disposable blood collection needle has strong limitations and the blood collection device shell is wasteful and cumbersome to discard. The utility model discloses a fingertip blood collection device with replaceable needles, including an upper cover 1, an upper shell 2, and a lower shell 3. An elastic band 4 is provided in the middle of the upper cover 1, and both sides of the elastic band 4 are connected to the upper cover 1. A rubber column 5 runs through the middle of the upper shell 2 and the lower shell 3. A blood collection needle 7 is provided in the rubber column 5. The blood collection needle 7 and the lower shell 3 intersect at the needle outlet 8. There is a buckle 601 on the upper cover 1, and a snap 6 is provided on the upper shell 2. The snap 6 and the buckle 601 are adapted; the upper cover 1, the upper shell 2, and the lower shell 3 are cylindrical. The rubber column 5 is a cylinder or a cuboid. The height of the rubber column 5 is greater than the total height of the upper shell 2 and the lower shell 3. The length of the blood collection needle 7 is consistent with the length of the rubber column 5, and the rubber column 5 is retractable.

[0026] Specific implementation principle: when using the utility model, first press the buckle, the buckle 601 pops up, the upper cover 1 and the upper shell 2 are separated, and the blood collection needle 7 is put in. Because the blood collection needle 7 and the rubber column 5 are the same length, they will not leak out. Let it stand, the bottom of the lower shell 3 and the rubber column 5 are at the same horizontal plane, the upper shell 2 and the rubber column 5 are at the same horizontal plane, the rubber column 5 is retractable, the buckle 6 and the buckle 601 are closed, the upper shell 2 and the upper cover 1 are closed, there is an elastic band 4 above the upper cover, and the two sides of the elastic band 4 are connected to the upper cover 1. Pass your finger through the middle of the elastic band, determine the blood collection point and press it to achieve the effect of blood collection. The width of the upper shell and the lower shell is the width of one finger to two fingers. Different blood collection needles can be replaced for different situations.

[0027] Example 2, refer to Figure 4-5 In this embodiment, based on the same concept as the first embodiment, the fingertip blood collection device with replaceable needle further includes: a dust cover 703 is provided on the outer side of the blood collection needle 7, a retractable ring 704 is provided on the dust cover 703, and a rubber top 702 is provided on the upper side of the dust cover 703. A dust film 705 is provided at the bottom of the blood collection needle 7. A drawstring 701 is provided at the intersection of the blood collection needle 7 and the rubber top 702. The dust cover 703 is a cylinder or a cuboid. The area of ​​the dust film 705 at the bottom of the blood collection needle 7 is larger than the cross section of the needle hole 8. A dust cover 703 is provided on the outer side of the blood collection needle 7, a retractable ring 704 is provided on the dust cover 703, and a rubber top 702 is provided on the upper side of the dust cover 703. A dust film 705 is provided at the bottom of the blood collection needle 7. A drawstring 701 is provided at the intersection of the blood collection needle 7 and the rubber top 702 as a whole.

[0028] Specific implementation principle: the outer side of the blood collection needle 7 is a dustproof cover 703, and there are multiple telescopic rings 704 on the dustproof cover 703. There is a rubber top 702 on the upper side of the dustproof cover 703. There is a dustproof film 705 at the bottom of the blood collection needle 7. When the upward force is applied, the blood collection needle 7 pierces the dustproof film 705, and the dustproof cover 703 is retracted upward through the telescopic ring 704 to expose the blood collection needle 7. When the finger presses, the area of ​​the dustproof film 705 at the bottom of the blood collection needle 7 is larger than the cross section of the needle hole 8, so the dustproof cover 703 has a reaction force, thereby achieving the puncture effect. In addition, because the dustproof film 705 at the bottom of the blood collection needle 7 isolates the air, it ensures that the blood collection needle is not contaminated. There is a drawstring 701 at the intersection of the blood collection needle 7 and the rubber top 702. When the blood collection needle 7 needs to be replaced, the drawstring 701 is pulled, and the blood collection needle 7 is connected with a dust cover 703 on the outside of the blood collection needle 7, a retractable ring 704 is provided on the dust cover 703, and a rubber top 702 is provided on the upper side of the dust cover 703. A dust film 705 is provided at the bottom of the blood collection needle 7. The drawstring 701 is provided at the intersection of the blood collection needle 7 and the rubber top 702, and both are taken out and replaced with a new replacement needle.

[0029] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fingertip blood collection device with replaceable needle, characterized in that: include, An upper cover (1), an upper shell (2), and a lower shell (3); an elastic band (4) is provided in the middle of the upper cover (1); both sides of the elastic band (4) are connected to the upper cover (1); a rubber column (5) passes through the middle of the upper shell (2) and the lower shell (3); a blood collection needle (7) is provided in the rubber column (5); the blood collection needle (7) and the lower shell (3) intersect at a needle outlet hole (8); a buckle (601) is provided on the upper cover (1); and a snap buckle (6) is provided on the upper shell (2); the snap buckle (6) and the buckle (6) are matched with the buckle (601).

2. A fingertip blood collection device with replaceable needle according to claim 1, characterized in that: The upper cover (1), the upper shell (2) and the lower shell (3) are cylindrical.

3. The fingertip blood collection device with replaceable needle according to claim 1, characterized in that: The rubber column (5) is a cylinder or a cuboid, the height of the rubber column (5) is greater than the total height of the upper shell (2) and the lower shell (3), and the rubber column (5) is retractable.

4. The fingertip blood collection device with replaceable needle according to claim 1, characterized in that: The blood collection needle (7) has a dustproof cover (703) on the outside, a telescopic ring (704) on the dustproof cover (703), and a rubber top (702) on the upper side of the dustproof cover (703).

5. The fingertip blood collection device with replaceable needle according to claim 4, characterized in that: The bottom of the blood collection needle (7) is provided with a dust-proof film (705).

6. The fingertip blood collection device with replaceable needle according to claim 4, characterized in that: A drawstring (701) is provided at the intersection of the blood collection needle (7) and the rubber top (702).

7. The fingertip blood collection device with replaceable needle according to claim 1, characterized in that: The length of the blood collection needle (7) is consistent with the length of the rubber column (5).

8. The fingertip blood collection device with replaceable needle according to claim 4, characterized in that: The dustproof sleeve (703) is a cylinder or a cuboid.

9. The fingertip blood collection device with replaceable needle according to claim 8, characterized in that: The dustproof sleeve (703) and the rubber column (5) are matched.

10. The fingertip blood collection device with replaceable needle according to claim 4, characterized in that: The area of ​​the dust-proof film (705) at the bottom of the blood collection needle (7) is larger than the cross-section of the needle outlet hole (8).

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