CN221931978U - A blood sampling device - Google Patents

Abstract

The utility model discloses a blood sampling device, which comprises a blood sampling device, wherein the blood sampling device comprises a needle cylinder, one end of the needle cylinder is connected with a sealing cover A, a sealing rubber pad is arranged between the sealing cover A and one end of the needle cylinder, a puncture needle is connected to the sealing cover A, the other end of the needle cylinder is connected with a sealing cover B, and a suction piece is arranged in the needle cylinder and penetrates through the sealing cover B. The blood taking needle is convenient to disassemble and assemble, wherein the components are assembled together to draw blood, the puncture needle is unscrewed from the connecting pipe after blood is drawn, and the drawing rod is unscrewed from the rubber piston head, so that the blood is stored by the needle cylinder, the blood taking needle provided by the utility model can realize dual purposes, namely blood taking and blood storage, and the inside of the needle cylinder can be sealed when the blood taking needle is used, so that the pollution of the inside of the needle cylinder is prevented, the pollution of the blood in the needle cylinder is prevented when the blood taking needle is used for storing blood, and the leakage of the blood is prevented.

Description

A blood sampling device

Technical Field

The utility model relates to the technical field of blood sampling devices, in particular to a blood sampling device.

Background Art

A lancet is a type of blood collection device. Currently, the lancet used by animal husbandry veterinarians to draw blood from livestock includes a needle, a syringe and a piston rod. When drawing blood, the needle is inserted into the livestock's body, and then the piston rod is pulled to generate negative pressure inside the syringe, and blood is drawn into the syringe through the needle. Conventional lancets can only be used to draw blood. When blood needs to be preserved, the blood needs to be injected into a special blood preservation sample tube, which makes the use of such lancets single.

Therefore, we propose a blood sampling device to solve the above problems.

Utility Model Content

The utility model aims to solve the defect of the blood collection needle in the prior art that the usage mode is single, and proposes a blood collection device.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A blood collection device comprises a blood collector, wherein the blood collector comprises a syringe, one end of the syringe is connected to a sealing cover A, and a sealing rubber pad is provided between the sealing cover A and one end of the syringe, a puncture needle is connected to the sealing cover A, the other end of the syringe is connected to a sealing cover B, and a suction piece is provided in the syringe and passes through the sealing cover B.

Preferably, a connecting portion is integrally formed at one end of the syringe, and a through hole A is provided through the middle of the end of the connecting portion, and a groove is provided at the end of the connecting portion.

Preferably, the sealing rubber includes a fitting portion matching the groove, and a covering portion is integrally formed on the fitting portion.

Preferably, the sealing cover A comprises a cover body A connected to the connecting portion in a threaded manner, and a connecting pipe is integrally connected to the middle position of the outer surface of the cover body A.

Preferably, the puncture needle comprises a connection cover which is connected to the outside of the connection tube in a threaded manner, and a needle body is penetrated through the connection cover.

Preferably, the sealing cover B comprises a cover body B threadedly connected to the other end of the syringe, and a through hole B is penetrated through the middle position of the outer surface of the cover body B, and a sealing rubber plug is connected to the middle position of the inner surface of the cover body B.

Preferably, the suction piece includes a pull rod that passes through the sealing rubber plug through the through hole B, one end of the pull rod is connected to the rubber piston head in a threaded manner and is located inside the syringe, and the other end of the pull rod is integrally formed with a pull handle.

Compared with the prior art, the beneficial effects of the utility model are:

1. The components of the utility model are easy to disassemble and assemble. They can be assembled together for blood drawing. After drawing blood, the puncture needle is unscrewed from the connecting tube, and the drawing rod is unscrewed from the rubber piston head. In this way, the blood is stored using the syringe, so that the blood collection needle proposed in this application can achieve dual purposes, namely blood collection and blood storage.

2. The utility model can seal the inside of the syringe when in use, thereby preventing contamination of the inside of the syringe, and can prevent contamination of the blood inside the syringe and leakage of blood when used for storing blood.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is an axial view of a blood sampling device proposed by the present invention;

FIG2 is a separation diagram of the puncture needle and the sealing cover A in FIG1 ;

FIG3 is a separation diagram of the sealing cover A, the sealing cover B, the suction member and the syringe in FIG2;

FIG4 is another perspective view of FIG3;

FIG5 is a disassembled view of the pull rod and the rubber piston head in FIG4 ;

FIG6 is a cross-sectional view of a syringe after the puncture needle and the withdrawal rod are removed from a blood sampling device proposed by the present invention.

In the figure: 1. syringe; 2. connecting part; 21. through hole A; 3. sealing rubber pad; 4. sealing cover A; 41. cover body A; 42. connecting tube; 5. puncture needle; 51. connecting cover; 52. needle body; 6. sealing cover B; 61. cover body B; 611. through hole B; 62. sealing rubber plug; 7. suction piece; 71. pull rod; 72. rubber piston head; 73. pull handle.

DETAILED DESCRIPTION

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set/connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

Referring to Figures 1-6, a blood collection device includes a blood collector, which includes a syringe 1, one end of the syringe 1 is integrally formed with a connecting portion 2, and a through hole A21 is penetrated and opened in the middle position of the end of the connecting portion 2, and a groove is opened in the end of the connecting portion 2, one end of the syringe 1 is connected to a sealing cover A4, and a sealing rubber pad 3 is provided between the sealing cover A4 and one end of the syringe 1, the sealing rubber 3 includes a fitting portion matching the groove, and a covering portion is integrally formed on the fitting portion, the sealing cover A4 includes a cover body A41 connected to the connecting portion 2 in a threaded manner, and a connecting tube 42 is integrally connected to the middle position of the outer surface of the cover body A41, a puncture needle 5 is connected to the sealing cover A4, the puncture needle 5 includes a connecting cover 51 connected to the outside of the connecting tube 42 in a threaded manner, and a needle body 52 is penetrated in the connecting cover 51, and the other end of the syringe 1 is connected to a sealing cover B6 , and a suction piece 7 is provided in the syringe 1 and penetrates the sealing cover B6, the sealing cover B6 includes a cover body B61 connected to the other end of the syringe 1 in a threaded connection manner, and a through hole B611 is penetrated and opened in the middle position of the outer surface of the cover body B61, and a sealing plug 62 is connected to the middle position of the inner surface of the cover body B61. The sealing rubber pad 3 and the sealing rubber plug 62 are made of the same material as the rubber plug on the infusion bottle. Suction can be performed after the needle pierces. After the needle is pulled out, the holes pierced on the sealing rubber pad 3 and the sealing rubber plug 62 can be squeezed and closed by themselves, thereby not only protecting the syringe 1, but also preventing the internal liquid from flowing out. The suction piece 7 includes a pull rod 71 that penetrates the sealing rubber plug 62 through the through hole B611, one end of the pull rod 71 is connected to a rubber piston head 72 in a threaded manner and is located inside the syringe 1, and the other end of the pull rod 71 is integrally formed with a pull handle 73.

Referring to Fig. 1-6, a blood collection device is assembled for use. The sealing rubber pad 3 is placed in the groove position, specifically, the fitting part is placed in the groove, the covering part covers the end of the connecting part 2, and then the cover body A41 is connected to the connecting part 2 by threading, and then the part of the needle body 52 located at the connecting cover 51 is inserted through the connecting tube 42, and then the connecting cover 51 is connected to the connecting rod 42 by threading or interference fit. At the same time, one end of the needle body 52 located at the connecting cover 51 pierces the sealing rubber pad 3 through the through hole A21 and is located at the needle body 52. Inside the barrel 1, and then the end of the pull rod 71 away from the handle is passed through the sealing rubber plug 62 through the through hole B611, and then the end of the pull rod 71 away from the handle is connected to the rubber piston head 72 in the syringe 1 by a threaded connection, and then the annular inner surface of the cover body B61 is connected to the syringe 1 by a thread. At this time, the blood collection needle can be used for blood collection. After the blood collection operation is completed, the puncture needle 5 is removed, and the pull rod 71 and the rubber piston head 72 are disassembled. In this way, the collected blood can be preserved using the syringe 1.

The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

In the description of the present invention, it is necessary to understand that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Claims (7)

1. The utility model provides a blood sampling device, includes blood collector, blood collector includes cylinder (1), the one end of cylinder (1) is connected with sealed lid A (4), and is equipped with sealed cushion (3) between the one end of sealed lid A (4) and cylinder (1), be connected with pjncture needle (5) on sealed lid A (4), the other end of cylinder (1) is connected with sealed lid B (6), just be equipped with suction piece (7) in cylinder (1) and run through sealed lid B (6).

2. The blood sampling device according to claim 1, wherein one end of the syringe (1) is integrally formed with a connecting portion (2), a through hole a (21) is formed in the middle of the end of the connecting portion (2), and a groove is formed in the end of the connecting portion (2).

3. A blood sampling device according to claim 1, wherein the sealing rubber pad (3) comprises a jogged part matched with the groove, and a covering part is integrally formed on the jogged part.

4. A blood sampling device according to claim 1, wherein the sealing cap a (4) comprises a cap body a (41) which is connected to the connecting portion (2) in a threaded connection manner, and a connecting tube (42) is integrally connected to the intermediate position of the outer surface of the cap body a (41).

5. A blood collection device according to claim 1, wherein the puncture needle (5) comprises a connection cap (51) which is connected to the outside of the connection tube (42) in a threaded connection, and a needle body (52) is provided in the connection cap (51) in a penetrating manner.

6. The blood sampling device according to claim 1, wherein the sealing cover B (6) comprises a cover body B (61) connected to the other end of the syringe (1) in a threaded connection manner, a through hole B (611) is formed in the middle position of the outer surface of the cover body B (61), and a sealing rubber plug (62) is connected to the middle position of the inner surface of the cover body B (61).

7. A blood collection device according to claim 6, wherein the suction piece (7) comprises a suction rod (71) penetrating through the sealing rubber plug (62) through the through hole B (611), one end of the suction rod (71) is connected with a rubber piston head (72) in a threaded connection manner and is positioned in the syringe (1), and the other end of the suction rod (71) is integrally provided with a pull handle (73).