CN214761104U

CN214761104U - Blood taking needle

Info

Publication number: CN214761104U
Application number: CN202120589437.9U
Authority: CN
Inventors: 陈俊玲
Original assignee: 923th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 923th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-11-19
Anticipated expiration: 2031-03-23

Abstract

The blood taking needle comprises a needle head and a blood transfusion hose, wherein a joint is connected between the blood transfusion hose and the needle head and is respectively communicated with the needle head and the blood transfusion hose; the connector is provided with a fixing piece, the fixing piece comprises a wing piece and a connecting ring, the wing piece is connected with the connecting ring, the connecting ring is sleeved on the connector, and the front surface and the back surface of the wing piece are both covered with a pasting layer. The needle head is fixed on the skin of the patient by the adhesive layer on the wing pieces, so that medical staff can fix the needle head conveniently, and the situation that the needle head rotates in a blood vessel or slides out of the blood vessel to aggravate the pain of the patient is avoided.

Description

Blood taking needle

Technical Field

The utility model relates to a device of blood sampling particularly, relates to a blood sampling needle.

Background

In clinical treatment and outpatient examination, a large number of venous blood samples are collected every day for various examinations.

At present, a blood taking needle for collecting blood samples in the inspection process of each medical institution is composed of a needle head, a needle handle and a needle tube, wherein one needle head is connected with the needle handle, and the other needle head is connected with a vacuum blood taking tube. The blood taking needle is not provided with a fixing device, can easily slide out of a blood vessel, and the needle head can rotate in the blood vessel to aggravate the pain of a patient.

Therefore, the blood taking needle convenient for fixing the needle head is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a blood taking needle convenient to fixed syringe needle.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the blood taking needle comprises a needle head and a blood transfusion hose, wherein a joint is connected between the blood transfusion hose and the needle head and is respectively communicated with the needle head and the blood transfusion hose; the connector is provided with a fixing piece, the fixing piece comprises a wing piece and a connecting ring, the wing piece is connected with the connecting ring, the connecting ring is sleeved on the connector, and the front surface and the back surface of the wing piece are both covered with a pasting layer.

As a further improvement of the above technical solution:

the connector comprises a first connecting pipe and second connecting pipes arranged at two ends of the first connecting pipe, the outer diameter of the first connecting pipe is smaller than that of the second connecting pipes, an annular groove is formed between the two second connecting pipes, and the connecting ring is rotatably sleeved on the second connecting pipes and clamped into the annular groove. The outer wall of the first connecting pipe is provided with an anti-rotation piece, the inner wall of the connecting ring is provided with a clamping groove, and the anti-rotation piece can be inserted into the clamping groove. The second connecting pipe is located to the rotatable cover of go-between, rotates the fin and pastes when patient's skin, and the syringe needle can not rotate along with the rotation of fin, alleviates patient's painful sense. The connecting ring is clamped in the annular groove, and the fixing piece is not easy to slide off. The connecting ring is pulled by the wing pieces, and the anti-rotating pieces are inserted into the clamping grooves, so that the needle head and the wing pieces are relatively fixed.

Furthermore, the front surface and the back surface of the anti-rotation piece are both provided with bulges, the bulges are semicircular, the inner wall of the clamping groove is provided with a fixed groove, and after the anti-rotation piece is inserted into the clamping groove, the bulges are clamped into the fixed groove. Effectively preventing the anti-rotation sheet from separating from the clamping groove.

The fins are fan-shaped, and the short sides of the fins are fixedly connected with the connecting ring. The area of the wing piece is increased, so that the adhesive layer on the wing piece can be more effectively adhered to the skin of a patient.

Furthermore, the wing panel is provided with a poking opening. The wing pieces are convenient to operate, and the hand slipping of a user is avoided.

The blood transfusion hose and the wing pieces are made of medical polypropylene materials. The medical polypropylene material can be sterilized by high-pressure steam, and the blood taking needle can be sterilized by high pressure before use, so that the safety of blood taking is improved.

Compared with the prior art, the utility model has the advantages that:

the needle head is fixed on the skin of the patient by the adhesive layer on the wing pieces, so that medical staff can fix the needle head conveniently, and the situation that the needle head rotates in a blood vessel or slides out of the blood vessel to aggravate the pain of the patient is avoided.

Drawings

Fig. 1 is a schematic view of a lancet structure.

Fig. 2 is a cross-sectional view of the joint.

Description of reference numerals:

1. a needle head; 2. a blood transfusion hose; 3. a joint; 4. a fixing member; 31. a second connecting pipe; 32. a first connecting pipe; 33. a rotation prevention sheet; 34. a protrusion; 35. an annular groove; 41. a connecting ring; 42. a fin; 43. a card slot; 44. and fixing the grooves.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention, taken in conjunction with the accompanying drawings and the detailed description, is given in a non-limiting manner.

As shown in fig. 1 and 2, the blood collection needle of the present embodiment comprises a needle 1 and a blood transfusion hose 2, a connector 3 is connected between the blood transfusion hose 2 and the needle 1, and the connector 3 is respectively communicated with the needle 1 and the blood transfusion hose 2; the connector 3 is provided with a fixing part 4, the fixing part 4 comprises a wing 42 and a connecting ring 41, the wing 42 is connected with the connecting ring 41, the connecting ring 41 is sleeved on the connector 3, and the front surface and the back surface of the wing 42 are both covered with an adhesive layer. The fins 42 are fan-shaped, and the short sides of the fins 42 are fixedly connected with the connecting ring 41. The front and back surfaces of the wing 42 are both poked. The blood transfusion hose 2 and the flap 42 are both made of medical polypropylene material.

The joint 3 includes a first connection pipe 32 and second connection pipes 31 disposed at two ends of the first connection pipe 32, an outer diameter of the first connection pipe 32 is smaller than an outer diameter of the second connection pipes 31, an annular groove 35 is formed between the two second connection pipes 31, and the connection ring 41 is rotatably sleeved on the second connection pipes 31 and is clamped into the annular groove 35. The outer wall of the first connection pipe 32 is provided with an anti-rotation piece 33, the inner wall of the connection ring 41 is provided with a clamping groove 43, and the anti-rotation piece 33 can be inserted into the clamping groove 43. The front and back surfaces of the rotation preventing piece 33 are both provided with protrusions 34, the protrusions 34 are semicircular, the inner wall of the clamping groove 43 is provided with a fixing groove 44, and after the rotation preventing piece 33 is inserted into the clamping groove 43, the protrusions 34 are clamped into the fixing groove 44.

For the use of this example, reference is made to the following steps:

in use, the needle 1 is first inserted into a patient's blood vessel with the aid of the fin 42. The connecting ring 41 is rotatably sleeved on the second connecting tube 31, so that the position of the wing 42 can be conveniently adjusted, and the needle 1 can be accurately inserted into a blood vessel of a patient. Next, the needle 1 is pressed and the coupling ring 41 is rotated so that the wings 42 are brought into close proximity with the patient's skin. Again, the coupling ring 41 is pulled by the wings 42, and the rotation preventing piece 33 is inserted into the catching groove 43 while the protrusions 34 are caught in the catching grooves 44. Finally, the adhesive layer on flap 42 is applied to the patient's skin.

The blood taking needle is simple in structure, and each structure has a corresponding specific function.

Claims

1. A blood collection needle, characterized in that: comprises a needle head (1) and a blood transfusion soft tube (2), a joint (3) is connected between the blood transfusion soft tube (2) and the needle head (1), and the joint (3) is respectively communicated with the needle head (1) and the blood transfusion soft tube (2); the connector (3) is provided with a fixing piece (4), the fixing piece (4) comprises a wing piece (42) and a connecting ring (41), the wing piece (42) is connected with the connecting ring (41), the connecting ring (41) is sleeved on the connector (3), and the front surface and the back surface of the wing piece (42) are both covered with an adhesive layer.

2. The blood collection needle according to claim 1, wherein: the connector (3) comprises a first connecting pipe (32) and second connecting pipes (31) arranged at two ends of the first connecting pipe (32), the outer diameter of the first connecting pipe (32) is smaller than that of the second connecting pipes (31), an annular groove (35) is formed between the two second connecting pipes (31), and the connecting ring (41) is rotatably sleeved on the second connecting pipes (31) and is clamped into the annular groove (35).

3. The blood collection needle according to claim 2, wherein: the outer wall of the first connecting pipe (32) is provided with an anti-rotation sheet (33), the inner wall of the connecting ring (41) is provided with a clamping groove (43), and the anti-rotation sheet (33) can be inserted into the clamping groove (43).

4. The blood collection needle according to claim 3, wherein: prevent changeing piece (33) tow sides and all be equipped with arch (34), arch (34) are half circular, and draw-in groove (43) inner wall is equipped with fixed slot (44), prevents changeing piece (33) and inserts draw-in groove (43) back, and arch (34) card is gone into in fixed slot (44).

5. The blood collection needle according to claim 1, wherein: the fins (42) are fan-shaped, and the short sides of the fins (42) are fixedly connected with the connecting ring (41).

6. The blood collection needle according to claim 5, wherein: the wing pieces (42) are provided with poking openings.

7. The blood collection needle according to claim 1, wherein: the blood transfusion hose (2) and the wing piece (42) are made of medical polypropylene materials.