CN219206958U

CN219206958U - Venous indwelling needle with blood sampling convenience and blood sampling assembly thereof

Info

Publication number: CN219206958U
Application number: CN202320117089.4U
Authority: CN
Inventors: 张宇行; 蔺红静
Original assignee: First Hospital Jinlin University
Current assignee: First Hospital Jinlin University
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-20
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to the technical field of blood collection indwelling needles, in particular to a venous indwelling needle with a function of facilitating blood collection and a blood collection assembly of the venous indwelling needle. The utility model provides a vein detaining needle with be convenient for blood sampling and blood sampling sub-assembly thereof includes to keep somewhere syringe needle, protective sheath, intercommunication spare, fixed wing, flexible pipe, ends and flow and press from both sides, Y type tee bend, blood sampling device and heparin tube, the one end fixedly connected with of intercommunication spare is kept somewhere the syringe needle, the surface fixedly connected with fixed wing of intercommunication spare, the one end of the other end fixedly connected with flexible pipe of intercommunication spare, the other end fixedly connected with Y type tee bend's of flexible pipe first end, ends and flow and press from both sides the outside to cup joint ends and flow, Y type tee bend's second end is connected with blood sampling device. The blood sampling device solves the problems that the blood sampling device in the prior art is not provided with the venous indwelling needle, medical staff needs to perform multiple venipuncture on the arm of a patient when multiple times of blood sampling are needed, the working intensity of the medical staff is increased, and meanwhile discomfort of the patient is increased.

Description

Venous indwelling needle with blood sampling convenience and blood sampling assembly thereof

Technical Field

The utility model relates to the technical field of blood collection indwelling needles, in particular to a venous indwelling needle with a function of facilitating blood collection and a blood collection assembly of the venous indwelling needle.

Background

Venous blood sampling is the most common blood sampling means in a hospital for routine examination, and is medical examination by drawing a certain amount of venous blood through a blood lancet as a blood sample. The core components of the indwelling needle are soft indwelling hose capable of being indwelled in a blood vessel and a stainless steel puncture needle for guiding. When in use, the indwelling hose and the puncture needle are punctured into the blood vessel together, and after all the indwelling hose enters the blood vessel, the puncture needle is withdrawn, and only the soft indwelling hose is reserved in the blood vessel, so that transfusion treatment is carried out.

When a patient is hospitalized or emergency is salvaged, blood collection is usually needed to be carried out for multiple times for testing, blood indexes are obtained, the existing blood collection equipment is not provided with a venous indwelling needle, when the patient needs to be subjected to multiple times of blood collection, medical staff needs to carry out multiple times of venous puncture on the arm of the patient, the working intensity of the medical staff is increased, meanwhile, the uncomfortable feeling of the patient is increased, and the needle point of the existing blood collection equipment and the needle point of the blood collection needle are exposed to hurt the patient.

In order to solve the above technical problems, a venous indwelling needle and a blood sampling assembly thereof are provided.

Disclosure of Invention

(1) Technical problem to be solved

1) The existing blood sampling equipment is not provided with a venous indwelling needle, when multiple times of blood sampling are needed, medical staff need to perform multiple times of venous puncture on the arm of a patient, so that the working intensity of the medical staff is increased, and meanwhile, the discomfort of the patient is increased;

2) In addition, the needle point of the existing blood sampling device is exposed to hurt the patient.

(2) Technical proposal

The utility model provides a vein detaining needle with be convenient for blood sampling and blood sampling sub-assembly thereof includes to keep somewhere syringe needle, protective sheath, intercommunication spare, fixed wing, flexible pipe, ends and flow clamp, Y type tee bend, blood sampling device and heparin tube, the one end fixedly connected with of intercommunication spare is kept somewhere the syringe needle, the surface fixedly connected with fixed wing of intercommunication spare, the one end of the other end fixedly connected with flexible pipe of intercommunication spare, the first end of the other end fixedly connected with Y type tee bend of flexible pipe, it has cup jointed ends and has pressed from both sides to end the flow clamp outside, Y type tee bend's second end is connected with blood sampling device, blood sampling device can dismantle with the heparin tube and be connected.

Further, the blood sampling device comprises a first through hole, a blood sampling catheter, a blood sampling cap, a sliding groove, a limiting hole, a hand-held part, a spring, a blood sampling needle head and a needle handle, wherein one end of the blood sampling catheter is fixedly connected with a Y-shaped three-way second end, one end of the blood sampling cap is provided with a first through hole which penetrates through, the other end of the blood sampling catheter enters the blood sampling cap through the first through hole, the other end of the blood sampling catheter is fixedly connected with the needle handle, the hand-held part is arranged on the needle handle, the other end of the needle handle is fixedly connected with the blood sampling needle head, the sliding groove and the limiting hole which are communicated are arranged on a shell of the blood sampling cap, the spring is sleeved outside the blood sampling needle head, and the other end of the blood sampling cap is provided with a second through hole which penetrates through, and the spring is positioned between the needle handle and the edge of the second through hole.

Further, the blood collection tube comprises a collection tube, graduation marks, a rubber plug and a limit ring, the graduation marks are arranged on the outer side of the collection tube, the rubber plug is inserted into an inner cavity of the collection tube, and the limit ring is arranged on the outer side of the collection tube.

Further, a protective sleeve is arranged on the outer side of the indwelling needle.

Further, the length of the indwelling needle does not exceed the length of the protective sleeve.

Further, the central lines of the indwelling needle, the communicating piece and the flexible catheter are mutually overlapped and are mutually communicated.

(3) Advantageous effects

1) The device reduces the puncture times of patients through the arrangement of the indwelling needle head and the blood sampling device.

2) Through the arrangement of the blood sampling cap in the blood sampling device, the exposed puncture of the needle point of the blood sampling needle head to the patient is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view showing a structure of a blood collecting device according to the present utility model;

FIG. 4 is a schematic view showing a structure of a lancing device according to the present utility model;

FIG. 5 is a schematic view of the needle handle position of the present utility model;

fig. 6 is a schematic view of the structure of the blood collection tube device of the present utility model.

In the drawings, the components represented by the respective reference numerals are as follows:

10. a needle is kept in; 11. a protective sleeve; 12. a communication member; 13. a fixed wing; 14. a flexible conduit; 15. a flow stop clip; 16. y-shaped tee joint;

2. a blood collection device; 20. a first through hole; 21. a blood collection catheter; 22. a blood collection cap; 221. a sliding groove; 222. a limiting hole; 23. a hand-held part; 24. a spring; 25. a blood collection needle; 26. a needle handle; 27. a second through hole;

3. a blood collection tube; 31. a collection pipe; 32; scale marks; 33. a rubber stopper; 34. and a limit ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, the present utility model provides an embodiment:

the utility model provides a vein detaining needle with be convenient for blood sampling and blood sampling sub-assembly thereof includes keep somewhere syringe needle 10, protective sheath 11, intercommunication piece 12, fixed wing 13, flexible pipe 14, flow stopping clamp 15, Y type tee bend 16, blood sampling device 2 and heparin tube 3, the one end fixedly connected with of intercommunication piece 12 is kept somewhere syringe needle 10, the surface fixedly connected with fixed wing 13 of intercommunication piece 12, the one end of the other end fixedly connected with flexible pipe 14 of intercommunication piece 12, the first end of the other end fixedly connected with Y type tee bend 16 of flexible pipe 14, flow stopping clamp 15 has been cup jointed in the flow stopping clamp 15 outside, the second end of Y type tee bend 16 is connected with blood sampling device 2, blood sampling device 2 and heparin tube 3 detachable connection.

The blood sampling device 2 comprises a first through hole 20, a blood sampling catheter 21, a blood sampling cap 22, a sliding groove 221, a limiting hole 222, a hand-held part 23, a spring 24, a blood sampling needle 25 and a needle handle 26, wherein one end of the blood sampling catheter 21 is fixedly connected with the second end of the Y-shaped tee joint 16, one end of the blood sampling cap 22 is provided with the first through hole 20 which penetrates through, the other end of the blood sampling catheter 21 enters the blood sampling cap 22 through the first through hole 20, the other end of the blood sampling catheter 21 is fixedly connected with the needle handle 26, the hand-held part 23 is arranged on the needle handle 26, the other end of the needle handle 26 is fixedly connected with the blood sampling needle 25, the sliding groove 221 and the limiting hole 222 which are communicated are arranged on a shell of the blood sampling cap 22, the spring 24 is further arranged inside the blood sampling cap 22, the spring 24 is sleeved outside the blood sampling needle 25, the other end of the blood sampling cap 22 is provided with the second through hole 27 which penetrates through, and the spring 24 is positioned between the edges of the needle handle 26 and the second through hole 27.

The blood collection tube 3 comprises a collecting tube 31, graduation marks 32, a rubber plug 33 and a limit ring 34, the graduation marks 32 are arranged on the outer side of the collecting tube 31, the rubber plug 33 is inserted into the inner cavity of the collecting tube 31, and the limit ring 34 is arranged on the outer side of the collecting tube 31.

A protective cover 11 is arranged on the outer side of the retaining needle 10. The protective sheath 11 is provided to prevent contamination of the indwelling needle 10 when not in use.

The length of the indwelling needle 10 does not exceed the length of the protective sheath 11. The length of the protective sleeve 11 is longer than the length of the indwelling needle 10, so that the indwelling needle 10 is prevented from being exposed after the patient is sampled, and other pollution is avoided when the blood is contaminated by nurses or medical waste is treated later.

The central lines of the indwelling needle 10, the communicating member 12 and the flexible catheter 14 coincide with each other and communicate with each other internally. Providing access for the circulation of drugs or blood.

Working principle: when medical staff uses the device, firstly take out protective sheath 11, hold fixed wing 13, use to keep somewhere syringe needle 10 and puncture the patient, when the puncture is accomplished, use medical adhesive tape to keep somewhere syringe needle 10 and fix, under this moment initial state, spring 24 is in normal extension state, blood sampling needle 25 is in blood sampling cap 22 inside, when needs blood sampling, promote handheld portion 23, needle handle 26 compression spring 24, wait blood sampling needle 25 to push out after the blood sampling cap 22, stir handheld portion 23 to spacing hole 222, blood sampling needle 25 inserts inside collection pipe 31, loosen the flow stop clamp 15 and take a blood sample.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A venous indwelling needle with be convenient for blood sampling and blood sampling sub-assembly thereof which characterized in that: the venous indwelling needle with the blood sampling function and the blood sampling assembly thereof comprise an indwelling needle head (10), a protective sleeve (11), a communicating piece (12), a fixed wing (13), a flexible catheter (14), a flow stopping clamp (15), a Y-shaped tee joint (16), a blood sampling device (2) and a blood sampling tube (3), wherein the indwelling needle head (10) is fixedly connected with one end of the communicating piece (12), the fixed wing (13) is fixedly connected with the outer surface of the communicating piece (12), one end of the flexible catheter (14) is fixedly connected with the other end of the communicating piece (12), the first end of the Y-shaped tee joint (16) is fixedly connected with the other end of the flexible catheter (14), the flow stopping clamp (15) is sleeved on the outer side of the flow stopping clamp (15), the second end of the Y-shaped tee joint (16) is connected with the blood sampling device (2), and the blood sampling device (2) is detachably connected with the blood sampling tube (3).

2. The intravenous catheter with facilitated blood collection and blood collection assembly thereof according to claim 1, wherein: the blood sampling device comprises a blood sampling device body and is characterized in that the blood sampling device body comprises a first through hole (20), a blood sampling catheter (21), a blood sampling cap (22), a sliding groove (221), a limiting hole (222), a hand-held part (23), a spring (24), a blood sampling needle head (25) and a needle handle (26), one end of the blood sampling catheter (21) is fixedly connected with the second end of a Y-shaped tee joint (16), one end of the blood sampling cap (22) is provided with a first through hole (20) penetrating through, the other end of the blood sampling catheter (21) enters the blood sampling cap (22) through the first through hole (20), the other end of the blood sampling catheter (21) is fixedly connected with the needle handle (26), the hand-held part (23) is arranged on the needle handle (26), the other end of the needle handle (26) is fixedly connected with the blood sampling needle head (25), the sliding groove (221) and the limiting hole (222) which are communicated are arranged on a shell of the blood sampling cap (22), the spring (24) is further arranged inside the blood sampling cap (22), the spring (24) is sleeved outside the blood sampling cap (25), the other end of the blood sampling catheter (22) is provided with a second through hole (27), and the second through hole (27) penetrating through the needle handle (27) and the blood sampling needle (27).

3. The intravenous catheter with facilitated blood collection and blood collection assembly of claim 2, wherein: the blood collection tube (3) comprises a collection tube (31), graduation marks (32), a rubber plug (33) and a limit ring (34), wherein the graduation marks (32) are arranged on the outer side of the collection tube (31), the rubber plug (33) is inserted into an inner cavity of the collection tube (31), and the limit ring (34) is arranged on the outer side of the collection tube (31).

4. A venous indwelling needle with convenient blood collection as claimed in claim 3, in which: the outer side of the retaining needle head (10) is provided with a protective sleeve (11).

5. The intravenous catheter with facilitated blood collection and blood collection assembly thereof according to claim 4, wherein: the length of the retaining needle (10) does not exceed the length of the protective sleeve (11).

6. A venous indwelling needle with convenient blood collection as claimed in claim 3, in which: the central lines of the indwelling needle (10), the communicating piece (12) and the flexible catheter (14) are mutually overlapped and are mutually communicated.