CN218923427U

CN218923427U - Disposable transfusion needle

Info

Publication number: CN218923427U
Application number: CN202222289492.3U
Authority: CN
Inventors: 何奇正
Original assignee: Shenzhen Huaruikang Biomedical Device Technology Co ltd
Current assignee: Shenzhen Huaruikang Biomedical Device Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-04-28
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a disposable transfusion needle head, and relates to the technical field of transfusion needles. The infusion needle comprises a hollow box body, wherein one side of the box body is communicated with an infusion tube, one side of the box body is communicated with a flexible tube, an infusion needle is movably inserted into the flexible tube, the sharp end of the infusion needle is positioned outside and far away from the box body, the other end of the infusion needle is positioned in the box body, a through groove communicated with the interior of the infusion needle is formed in one side of the infusion needle positioned in the box body, and a connecting piece is arranged between one end of the infusion needle positioned in the box body and the box body. The utility model can effectively prevent the secondary puncture of the blood vessel caused by the arm movement of the patient in the process of transfusion by using the flexible tube to infuse the blood vessel of the patient, thereby reducing the secondary injury to the patient in the process of transfusion, and having more practicability.

Description

Disposable transfusion needle

Technical Field

The utility model relates to the technical field of infusion needles, in particular to a disposable infusion needle.

Background

In the hospital, often can use the transfusion needle, the transfusion needle head is the metal material generally, medical personnel pricks the transfusion needle head in patient's skin, cooperate infusion support and infusion bottle to carry out the transfusion to the patient, current transfusion needle is after pricking patient's blood vessel, because infusion time is longer, some patients probably need hang several bottles of infusion bottle in the treatment, transfusion needle is also longer at patient's blood vessel dwell time, and the patient is when removing, it leads to the small amplitude displacement to appear in the blood vessel to lead to the transfusion needle tubing to puncture patient's blood vessel secondarily, bring the secondary injury to the patient, and patient's arm leads to transfusion needle head displacement easily at the in-process of removal, thereby also easy secondary puncture patient's blood vessel.

Disclosure of Invention

The utility model aims at: to solve the above-described problems, the present utility model provides a disposable infusion needle.

The utility model adopts the following technical scheme for realizing the purposes:

the disposable transfusion needle comprises a hollow box body, wherein one side of the box body is communicated with a transfusion tube, one side of the box body is communicated with a flexible tube, the transfusion needle is movably inserted in the flexible tube, the sharp end of the transfusion needle is located outside and far away from the box body, the other end of the transfusion needle is located in the box body, one side of the transfusion needle in the box body is provided with a through groove communicated with the inside of the transfusion needle, the transfusion needle is located at one end of the inside of the box body and is provided with a connecting piece between the box body, and the connecting piece is located outside and is connected with one end of the transfusion needle in a detachable mode in the box body.

Further, a through hole communicated with the inside of the box body is formed in one side of the box body, the connecting piece comprises a connecting sleeve which is formed in the outer side of the box body, the connecting sleeve is communicated with the through hole, a connecting sleeve ring which is concentric with the connecting sleeve is formed in the outer side of the box body, the connecting sleeve ring also comprises a sealing cover which penetrates through the connecting sleeve ring and is tightly inserted between the connecting sleeve ring and the connecting sleeve ring, and one end of the infusion needle is connected with the sealing cover.

Further, an annular sealing groove is formed between the opposite sides of the connecting sleeve and the connecting sleeve ring, and an annular sealing ring is arranged in the sealing groove.

Further, the sealing cover is made of medical plastic materials, a connecting rope is detachably arranged at one end, far away from the infusion needle, of the sealing cover, and a pull ring is arranged at the free end of the connecting rope.

Further, a thread groove is formed in one end of the sealing cover in a threaded mode, a threaded rod is inserted into the thread groove in a threaded mode, and one end of the connecting rope is connected with the threaded rod.

Further, a connecting ring communicated with the through hole is arranged in the box body, an elastic connecting plate is arranged on the connecting ring, and a sealing plate for shielding an opening of the connecting ring is arranged at the free end of the elastic connecting plate.

Further, the outer rear side of the flexible tube is configured with a pinch plate.

The beneficial effects of the utility model are as follows:

the utility model can effectively prevent the secondary puncture of the blood vessel caused by the arm movement of the patient in the process of transfusion by using the flexible tube to infuse the blood vessel of the patient, thereby reducing the secondary injury to the patient in the process of transfusion, and having more practicability.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded view of a portion of the structure of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic perspective view in semi-section of FIG. 1 of the present utility model;

FIG. 5 is an enlarged view of the structure of FIG. 4B in accordance with the present utility model;

FIG. 6 is an enlarged view of the structure of FIG. 4 at C in accordance with the present utility model;

reference numerals: 1. a case body; 2. an infusion tube; 3. a flexible tube; 4. an infusion needle; 5. a through groove; 6. a connecting piece; 601. a connecting sleeve; 602. a connecting collar; 603. a sealing cover; 7. perforating; 8. sealing grooves; 9. an annular seal ring; 10. a connecting rope; 11. a pull ring; 12. a thread groove; 13. a threaded rod; 14. a connecting ring; 15. an elastic connecting plate; 16. a sealing plate; 17. the plate is pinched by hand.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in figures 1-6, the disposable transfusion needle comprises a hollow box body 1, one side of the box body 1 is communicated with a transfusion tube 2, the existing transfusion bottle is connected, one side of the box body 1 is communicated with a flexible tube 3, a transfusion needle 4 is movably inserted in the flexible tube 3, the sharp end of the transfusion needle 4 is positioned outside and far away from the box body 1, the other end of the transfusion needle is positioned in the box body 1, that is, when the transfusion needle tube is inserted in a human blood vessel, the flexible tube 3 is also positioned in the blood vessel, one side of the transfusion needle 4 positioned in the box body 1 is provided with a through groove 5 communicated with the inside of the transfusion needle 4, when the transfusion tube 2 is used for transfusion, liquid in the transfusion tube 2 enters the box body 1 communicated with the transfusion tube, and enters the through groove 5, so that the sharp end of the transfusion needle 4 is conveyed into a patient, a connecting piece 6 is arranged between one end of the transfusion needle 4 positioned in the box body 1 and the box body 1, the connecting piece 6 is positioned outside and one end of the transfusion needle 4 is detachably connected in the box body 1 through the connecting piece 6, namely, after the transfusion needle 4 is pricked into a blood vessel of a patient, the connection between the transfusion needle 4 and the box body 1 can be released through the connecting piece 6, then the transfusion needle 4 can be pulled out of the box body 1 through the connecting piece 6, so that the flexible tube 3 is positioned in the blood vessel of the patient, the transfusion of the transfusion needle 4 is replaced by the flexible tube 3, preferably, the flexible tube 3 is made of polyurethane, because the flexible tube 3 has certain flexibility and the end part is not as sharp as the transfusion needle 4, the transfusion into the blood vessel of the patient through the flexible tube 3 can effectively prevent the secondary puncture of the blood vessel caused by the movement of an arm in the transfusion process, thereby reducing the secondary injury to the patient in the transfusion process, therefore, the utility model has better practicability.

As shown in fig. 1, 5 and 6, in some embodiments, one side of the case 1 is provided with a through hole 7 communicated with the inside of the case 1, the connecting piece 6 includes a connecting sleeve 601 configured on the outer side of the case 1, the connecting sleeve 601 is communicated with the through hole 7, and a connecting collar 602 concentric with the connecting sleeve 601 is configured on the outer periphery of the case 1, and further includes a sealing cover 603 tightly inserted between the connecting sleeve 601 and the connecting collar 602, one end of the infusion needle 4 is connected with the sealing cover 603, when the infusion needle 4 needs to be withdrawn, only the sealing cover 603 needs to be withdrawn from the connecting sleeve 601 and the connecting collar 602, so that the infusion needle 4 is indirectly withdrawn from the infusion flexible tube 3, when the infusion needle 4 is withdrawn, the through hole 7 is communicated with the outside, the sealing cover 603 can be inserted between the connecting sleeve 601 and the connecting collar 602 to prevent liquid leakage, and it is required that the sealing cover 603 is not provided with the infusion needle 4, preferably, one end of the infusion needle 4 located inside the case 1 is configured with a sealing cover 603 in a shape, and a sealing rod is arranged on one end of the sealing cover 603, when the sealing cover is required to be withdrawn, and the sealing cover is not to be separated from the infusion needle 4, and the sealing cover is configured to be tightly separated from the infusion needle 3, and the sealing cover is not shown in the inner side of the case 1, and the sealing cover is arranged between the sealing cover and the sealing cover.

As shown in fig. 1, 3 and 5, in some embodiments, an annular sealing groove 8 is formed between opposite sides of the connecting sleeve 601 and the connecting collar 602, an annular sealing ring 9 is installed in the sealing groove 8, the design of the annular sealing ring 9 improves the tightness, and a liquid leakage phenomenon is not easy to occur in the process of transfusion when the sealing cover 603 is inserted between the connecting sleeve 601 and the connecting collar 602.

As shown in fig. 1-5, in some embodiments, the sealing cover 603 is made of medical plastic, the connecting rope 10 is detachably mounted at the end of the sealing cover 603 far away from the infusion needle 4, the pull ring 11 is mounted at the free end of the connecting rope 10, and the design of the pull ring 11 and the connecting rope 10 is that when the sealing cover 603 and the infusion needle 4 need to be pulled out, only the pull ring 11 needs to be pinched, and then the sealing cover 603 needs to be pulled out by pinching the pull ring 11 with hands.

As shown in fig. 1-5, in some embodiments, a thread groove 12 is formed on one end of the seal cover 603, a threaded rod 13 is inserted into the thread groove 12, one end of the connecting rope 10 is connected with the threaded rod 13, that is, the connecting rope 10 can be detached from the seal cover 603, so that the seal cover 603 is prevented from being separated from between the connecting sleeve 601 and the connecting collar 602 due to accidental pulling of the connecting rope 10 in the process of transfusion, and a protective effect is achieved.

As shown in fig. 1 to 5, in some embodiments, the inside of the case 1 is configured with a connection ring 14 communicating with the through hole 7, the connection ring 14 is configured with an elastic connection plate 15, the free end of the elastic connection plate 15 is configured with a sealing plate 16 for shielding the opening of the connection ring 14, the elastic connection plate 15 is made of medical plastic, when the infusion needle 4 is positioned in the flexible tube 3, one end edge of the sealing plate 16 abuts against the infusion needle 4, as shown in fig. 6, when the infusion needle 4 passes through the connection ring 14 and is pulled out of the case 1, the sealing plate 16 shields the connection ring 14 because the elastic connection plate 15 elastically resets, so that the through hole 7 is not communicated with the inside of the case 1, and thus the liquid inside the case 1 can be prevented from overflowing from the through hole 7 at the moment when the infusion needle tube is pulled out of the flexible tube 3.

As shown in fig. 1-4, in some embodiments, the outer rear side of the flexible tube 3 is configured with a pinch plate 17, the pinch plate 17 being designed so that a medical professional will grip the pinch plate 17 with his or her hand to apply a better force when inserting the infusion needle 4 into the patient's blood vessel.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The disposable transfusion needle is characterized by comprising a hollow box body (1) arranged in the box body, wherein one side of the box body (1) is communicated with a transfusion tube (2), one side of the box body (1) is communicated with a flexible tube (3), the transfusion needle (4) is movably inserted into the flexible tube (3), the sharp end of the transfusion needle (4) is positioned outside and far away from the box body (1), the other end of the transfusion needle is positioned in the box body (1), a through groove (5) communicated with the inside of the transfusion needle (4) is formed in one side of the box body (1), the transfusion needle (4) is positioned between one end of the inside of the box body (1) and the box body (1), and a connecting piece (6) is positioned outside and is detachably connected with one end of the transfusion needle (4) in the box body (1) through the connecting piece (6).

2. Disposable transfusion needle according to claim 1, characterized in that one side of the box body (1) is provided with a perforation (7) communicated with the inside of the box body, the connecting piece (6) comprises a connecting sleeve (601) which is constructed on the outer side of the box body (1), the connecting sleeve (601) is communicated with the perforation (7), the outer periphery side of the box body (1) is constructed with a connecting sleeve ring (602) which is concentric with the connecting sleeve (601), the disposable transfusion needle further comprises a sealing cover (603) which is tightly inserted between the connecting sleeve (601) and the connecting sleeve ring (602) in a penetrating way, and one end of the transfusion needle (4) is connected with the sealing cover (603).

3. The disposable transfusion needle head as claimed in claim 2, wherein a ring-shaped sealing groove (8) is arranged between the opposite sides of the connecting sleeve (601) and the connecting collar (602), and an annular sealing ring (9) is arranged in the sealing groove (8).

4. A disposable infusion needle according to claim 3, wherein the sealing cover (603) is made of medical plastic, a connecting rope (10) is detachably arranged at one end of the sealing cover (603) away from the infusion needle (4), and a pull ring (11) is arranged at the free end of the connecting rope (10).

5. The disposable transfusion needle head according to claim 4, wherein a thread groove (12) is formed at one end of the sealing cover (603), a threaded rod (13) is inserted into the thread groove (12), and one end of the connecting rope (10) is connected with the threaded rod (13).

6. Disposable infusion needle according to claim 2, characterized in that a connection ring (14) communicating with the perforation (7) is built into the box (1), the connection ring (14) being built with an elastic connection plate (15), the free end of the elastic connection plate (15) being built with a closing plate (16) for shielding the opening of the connection ring (14).

7. Disposable infusion needle according to claim 1, characterized in that the outer rear side of the flexible tube (3) is configured with a pinch plate (17).