CN219126373U

CN219126373U - Hemodialysis blood taking needle

Info

Publication number: CN219126373U
Application number: CN202222795485.0U
Authority: CN
Inventors: 耿丽君; 马晶; 辛莹
Original assignee: Peoples Hospital of Xinjiang Uygur Autonomous Region
Current assignee: Peoples Hospital of Xinjiang Uygur Autonomous Region
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-06-06
Anticipated expiration: 2032-10-24

Abstract

The utility model provides a blood permeation blood taking needle, which relates to the technical field of blood taking needles, and comprises a puncture needle, a conveying pipe, a connecting pipe and a reinforcing plate, wherein the outer surface of the conveying pipe is communicated with a splicing needle, the outer surface of the puncture needle is fixedly provided with an auxiliary plate, the outer surfaces of the puncture needle and the conveying pipe are respectively sleeved with an auxiliary ring, the outer surfaces of the auxiliary rings are provided with auxiliary holes, the opposite ends of the puncture needle and the conveying pipe are respectively communicated with the splicing pipe, and the two ends of the connecting pipe are respectively fixedly provided with the reinforcing ring. According to the utility model, the connecting pipe, the reinforcing plate, the auxiliary ring, the auxiliary hole, the plug pipe, the reinforcing ring, the plug rod, the limiting block, the first plug groove and the second plug groove are arranged, so that on one hand, the puncture needle can be limited, the contact area between the puncture needle and the medical adhesive tape is increased, the situation that the puncture needle falls off after the medical adhesive tape is used for bonding is reduced, on the other hand, the stability of the joint of the puncture needle and the conveying pipe is increased, and the falling probability of the puncture needle is reduced.

Description

Hemodialysis blood taking needle

Technical Field

The utility model relates to the technical field of blood taking needles, in particular to a blood permeable blood taking needle.

Background

The patient who nurses in the hemodialysis room usually needs to use the blood taking needle to take a blood sample, and current blood taking needle is most to insert the syringe needle of one end into patient's blood vessel, later carry out the blood drawing through disposable syringe, perhaps insert the syringe needle of the other end into the vacuum blood taking tube and carry out the blood drawing, and these two blood taking modes all need fix the syringe needle on patient's arm earlier, and because current blood taking needle needs the manual support of user in the in-process of taking blood sample, even under the prerequisite of gluing medical sticky tape, all lead to the action of blood taking needle at the patient and remove in the blood vessel easily, and then lead to the syringe needle to drop on the one hand, on the other hand leads to syringe needle and pipeline to appear droing, lead to need wash the puncture to patient, so need carry out certain improvement to it.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a blood permeation blood taking needle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a blood-permeable blood taking needle, includes pjncture needle, conveyer pipe, connecting pipe and gusset plate, the surface intercommunication of conveyer pipe has the grafting needle, the surface of pjncture needle has set firmly the accessory plate, the surface of pjncture needle and conveyer pipe all overlaps and is equipped with the auxiliary ring, the auxiliary hole has been seted up to the surface of auxiliary ring, the opposite one end of pjncture needle and conveyer pipe has all been linked together the grafting pipe, the stiffening ring has all been fixed at the both ends of connecting pipe, the outer surface of stiffening ring has set firmly the spliced pole, the surface of spliced pole has set firmly the stopper, a grafting groove and No. two grafting grooves have been seted up respectively to the surface of gusset plate, the surface of conveyer pipe has set firmly the auxiliary frame.

In order to facilitate the protection of the puncture needle and the insertion needle, the utility model is improved in that a protection component is arranged outside the puncture needle and the insertion needle, the protection component comprises a first-number protection tube and a second-number protection tube, the first-number protection tube is sleeved outside the puncture needle, and the second-number protection tube is sleeved outside the insertion needle.

In order to improve the stability of the combination of the reinforcing ring and the auxiliary ring, the utility model is improved in that the outer surface of the reinforcing ring is provided with a fitting groove, and the outer surface of the auxiliary ring is in sliding connection with the inner wall of the fitting groove.

In order to facilitate limiting and reinforcing of the connecting pipe, the utility model is improved in that the outer surface of the limiting block is in sliding connection with the inner wall of the auxiliary hole, the outer surface of the inserting and connecting rod is in sliding connection with the inner wall of the first inserting and connecting groove, and the outer surfaces of the puncture needle and the conveying pipe are both in sliding connection with the inner wall of the second inserting and connecting groove.

In order to facilitate limiting the plug pipe, the utility model is improved in that the inner walls at two ends of the plug pipe are provided with the combination grooves, and the outer surface of the plug pipe is in sliding connection with the inner walls of the combination grooves.

In order to prolong the service lives of the first protective tube and the second protective tube, the utility model is improved in that the first protective tube and the second protective tube are made of hard rubber or engineering plastic, the outer surface of the puncture needle is in sliding connection with the inner wall of the first protective tube, and the outer surface of the grafting needle is in sliding connection with the inner wall of the second protective tube.

In order to conveniently adjust the blood flow in the conveying pipe, the utility model is improved in that an adjusting component is arranged on the outer surface of the conveying pipe and comprises an adjusting groove and an adjusting ring, the adjusting groove is arranged on the outer surface of the conveying pipe, and the adjusting ring is sleeved outside the adjusting groove.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the connecting pipe, the reinforcing plate, the auxiliary ring, the auxiliary hole, the plug pipe, the reinforcing ring, the plug rod, the limiting block, the first plug groove and the second plug groove are arranged, so that on one hand, the puncture needle can be limited, the contact area between the puncture needle and the medical adhesive tape is increased, the situation that the puncture needle falls off after the medical adhesive tape is used for bonding is reduced, on the other hand, the stability of the joint of the puncture needle and the conveying pipe is increased, the falling probability of the puncture needle is reduced, and by arranging the protection component, the puncture needle and the plug needle can be covered and protected, on the other hand, the probability that the needle is stabbed on a user is avoided, and on the other hand, the probability that the needle is contacted with the external environment is reduced.

2. According to the utility model, the flow speed of the blood flow in the conveying pipe can be regulated by arranging the regulating component, so that the condition that blood directly flows out through the conveying pipe under pressure after the puncture needle is inserted into a blood vessel of a patient is avoided, and a user can conveniently insert the inserting needle into the vacuum blood sampling pipe to draw blood and sample.

Drawings

Fig. 1 is a schematic perspective view of a blood permeation lancet according to the present utility model;

fig. 2 is a perspective cross-sectional view showing a blood permeation lancet according to the present utility model;

fig. 3 is an exploded view showing a blood permeation lancet according to the present utility model;

fig. 4 is an exploded cross-sectional view showing a blood permeation lancet according to the present utility model;

FIG. 5 is a schematic view showing a connection tube in a blood permeation lancet according to the present utility model;

FIG. 6 is a cross-sectional view showing a connection tube in a blood permeation lancet according to the present utility model;

FIG. 7 is a schematic view showing a fixing plate in a blood permeation lancet according to the present utility model;

fig. 8 is a schematic view showing an adjusting ring in a blood permeable lancet according to the present utility model.

Legend description:

1. a puncture needle; 2. a delivery tube; 3. a connecting pipe; 4. a reinforcing plate; 5. a plugging needle; 6. an auxiliary plate; 7. an auxiliary ring; 8. an auxiliary hole; 9. a connecting pipe is inserted; 10. a reinforcing ring; 11. inserting a connecting rod; 12. a limiting block; 13. a first inserting groove; 14. a second plugging groove; 15. a first protective tube; 16. a second protective tube; 17. an auxiliary frame; 18. an adjustment tank; 19. an adjusting ring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-7, the present utility model provides a technical solution: a blood-permeable blood taking needle comprises a puncture needle 1, a conveying pipe 2, a connecting pipe 3 and a reinforcing plate 4, wherein the outer surfaces of the puncture needle 1 and the conveying pipe 2 are in sliding connection with the inner wall of a second-number inserting groove 14, the second-number inserting groove 14 is formed for conveniently limiting the reinforcing plate 4, the inner walls of the two ends of the connecting pipe 3 are provided with combined grooves, the outer surfaces of the inserting pipe 9 are in sliding connection with the inner walls of the combined grooves, the outer surface of the conveying pipe 2 is communicated with an inserting needle 5, the inserting needle 5 is arranged for conveniently connecting with a vacuum blood taking pipe, an auxiliary plate 6 is fixedly arranged on the outer surface of the puncture needle 1, auxiliary rings 7 are sleeved on the outer surfaces of the puncture needle 1 and the conveying pipe 2, auxiliary holes 8 are formed on the outer surfaces of the auxiliary rings 7, the opposite ends of the puncture needle 1 and the conveying pipe 2 are communicated with the inserting pipe 9, reinforcing rings 10 are fixedly arranged at the two ends of the connecting pipe 3, the outer surface of the reinforcing ring 10 is provided with a fitting groove, the outer surface of the auxiliary ring 7 is in sliding connection with the inner wall of the fitting groove, the outer surface of the reinforcing ring 10 is fixedly provided with a plugging rod 11, the outer surface of the plugging rod 11 is in sliding connection with the inner wall of a first plugging groove 13, the outer surface of the plugging rod 11 is fixedly provided with a limiting block 12, the outer surface of the limiting block 12 is in sliding connection with the inner wall of an auxiliary hole 8, the outer surface of the reinforcing plate 4 is provided with a first plugging groove 13 and a second plugging groove 14 respectively, and the connecting pipe 3, the reinforcing plate 4, the auxiliary plate 6, the auxiliary ring 7, the auxiliary hole 8, the plugging tube 9, the reinforcing ring 10, the plugging rod 11, the limiting block 12, the first plugging groove 13 and the second plugging groove 14 are arranged so as to facilitate the combination of the puncture needle 1 and the conveying pipe 2, the outer surface of the conveying pipe 2 is fixedly provided with an auxiliary frame 17, and the auxiliary frame 17 is arranged so as to facilitate the taking and placing of the plugging needle 5.

Referring to fig. 1-4, a protection component is arranged outside the puncture needle 1 and the insertion needle 5, the protection component is arranged to cover and protect the puncture needle 1 and the insertion needle 5, on one hand, the probability of the puncture needle damaging a user is avoided, on the other hand, the probability of the contact of the needle with the external environment is reduced, the protection component comprises a first-size protection tube 15 and a second-size protection tube 16, the first-size protection tube 15 is sleeved outside the puncture needle 1, the second-size protection tube 16 is sleeved outside the insertion needle 5, the first-size protection tube 15 and the second-size protection tube 16 are made of hard rubber or engineering plastics, the outer surface of the puncture needle 1 is in sliding connection with the inner wall of the first-size protection tube 15, the first-size protection tube 15 is arranged to cover and protect the puncture needle 1, the outer surface of the insertion needle 5 is in sliding connection with the inner wall of the second-size protection tube 16, and the second-size protection tube 16 is arranged to facilitate the cover and protect the insertion needle 5.

Example two

Referring to fig. 1, fig. 2, fig. 3 and fig. 8, an adjusting component is disposed on an outer surface of the conveying pipe 2, the adjusting component is configured to adjust a flow velocity of blood flow in the conveying pipe 2, so as to avoid a situation that blood directly flows out through the conveying pipe 2 after the puncture needle 1 is inserted into a blood vessel of a patient under pressure, and facilitate a user to insert the insertion needle 5 into a vacuum blood taking vessel for blood sampling, the adjusting component comprises an adjusting groove 18 and an adjusting ring 19, the adjusting groove 18 is formed on the outer surface of the conveying pipe 2, the adjusting groove 18 is formed to limit the adjusting ring 19, and the adjusting ring 19 is sleeved outside the adjusting groove 18.

Working principle: when a patient needs to be subjected to blood sampling, the limiting block 12 is aligned with the auxiliary hole 8, then the insertion pipes 9 outside the puncture needle 1 and the conveying pipe 2 are respectively inserted into two ends of the connecting pipe 3 until the limiting block 12 passes through the auxiliary hole 8 and then the auxiliary ring 7 is exposed, then the puncture needle 1 and the conveying pipe 2 are aligned with the first insertion groove 13, the insertion rod 11 is inserted into the second insertion groove 14, then the smaller end of the adjusting ring 19 is pulled to the outer part of the adjusting groove 18, the first protective pipe 15 is taken down, the puncture needle 1 is inserted into a blood vessel of the patient, then the medical adhesive tape is adhered to the outer part of the auxiliary plate 6, the medical adhesive tape is adhered to the skin of the patient, the second protective pipe 16 is pulled down, the insertion needle 5 is inserted into the vacuum blood sampling vessel, and then the larger end of the adjusting ring 19 is pulled to the outer part of the adjusting groove 18, so that the blood sampling can be performed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a blood permeation blood taking needle, includes pjncture needle (1), conveyer pipe (2), connecting pipe (3) and gusset plate (4), its characterized in that: the utility model discloses a puncture needle, including conveyer pipe (2), puncture needle (1), auxiliary plate (6) are equipped with to the surface intercommunication of conveyer pipe (2), the surface of puncture needle (1) and conveyer pipe (2) all overlaps and is equipped with auxiliary ring (7), auxiliary hole (8) have been seted up to the surface of auxiliary ring (7), the one end that puncture needle (1) and conveyer pipe (2) are relative all linked together has grafting pipe (9), reinforcing ring (10) are all fixed to the both ends of connecting pipe (3), the plug rod (11) are fixed to the surface of reinforcing ring (10), stopper (12) are fixed to the surface of plug rod (11), a number grafting groove (13) and No. two grafting groove (14) have been seted up respectively to the surface of reinforcing plate (4), auxiliary frame (17) are fixed to the surface of conveyer pipe (2).

2. The hemodialysis lancet according to claim 1, wherein: the outside of pjncture needle (1) and grafting needle (5) is provided with the protection subassembly, the protection subassembly includes No. one protection pipe (15) and No. two protection pipes (16), no. one protection pipe (15) cover is established in the outside of pjncture needle (1), no. two protection pipes (16) cover are established in the outside of grafting needle (5).

3. The hemodialysis lancet according to claim 1, wherein: the outer surface of the reinforcing ring (10) is provided with a fitting groove, and the outer surface of the auxiliary ring (7) is in sliding connection with the inner wall of the fitting groove.

4. The hemodialysis lancet according to claim 1, wherein: the outer surface of stopper (12) and the inner wall sliding connection of auxiliary hole (8), the outer surface of grafting pole (11) and the inner wall sliding connection of No. one jack groove (13), the outer surface of pjncture needle (1) and conveyer pipe (2) all with the inner wall sliding connection of No. two jack grooves (14).

5. The hemodialysis lancet according to claim 1, wherein: the inner walls at two ends of the connecting pipe (3) are provided with combined grooves, and the outer surface of the plug-in pipe (9) is in sliding connection with the inner walls of the combined grooves.

6. The hemodialysis lancet according to claim 2, wherein: the puncture needle is characterized in that the first protective tube (15) and the second protective tube (16) are made of hard rubber or engineering plastics, the outer surface of the puncture needle (1) is in sliding connection with the inner wall of the first protective tube (15), and the outer surface of the plug needle (5) is in sliding connection with the inner wall of the second protective tube (16).

7. The hemodialysis lancet according to claim 1, wherein: the outer surface of conveyer pipe (2) is provided with adjusting part, adjusting part includes adjustment tank (18) and adjusting ring (19), the surface at conveyer pipe (2) is seted up in adjustment tank (18), the outside at adjustment tank (18) is established to adjusting ring (19) cover.